69 results on '"Zhang, Haojie"'
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2. Seabed structures and foundations related to deep‐sea resource development: A review based on design and research
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Rui, Shengjie, Zhang, Haojie, Xu, Hang, Zha, Xing, Xu, Mengtao, and Shen, Kanmin
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The deep‐sea ground contains a huge amount of energy and mineral resources, for example, oil, gas, and minerals. Various infrastructures such as floating structures, seabed structures, and foundations have been developed to exploit these resources. The seabed structures and foundations can be mainly classified into three types: subsea production structures, offshore pipelines, and anchors. This study reviewed the development, installation, and operation of these infrastructures, including their structures, design, installation, marine environment loads, and applications. On this basis, the research gaps and further research directions were explored through this literature review. First, different floating structures were briefly analyzed and reviewed to introduce the design requirements of the seabed structures and foundations. Second, the subsea production structures, including subsea manifolds and their foundations, were reviewed and discussed. Third, the basic characteristics and design methods of deep‐sea pipelines, including subsea pipelines and risers, were analyzed and reviewed. Finally, the installation and bearing capacity of deep‐sea subsea anchors and seabed trench influence on the anchor were reviewed. Through the review, it was found that marine environment conditions are the key inputs for any offshore structure design. The fabrication, installation, and operation of infrastructures should carefully consider the marine loads and geological conditions. Different structures have their own mechanical problems. The fatigue and stability of pipelines mainly depend on the soil‐structure interaction. Anchor selection should consider soil types and possible trench formation. These focuses and research gaps can provide a helpful guide on further research, installation, and operation of deep‐sea structures and foundations. This paper reviewed the development, installation, and operation of these infrastructures, including their structures, design, installation, marine environment loads, and applications. The research gaps and further research directions are explored through this literature review. First, different floating structures were briefly analyzed and reviewed. Second, the subsea production structures, including subsea manifolds and their foundations, were reviewed and discussed. Third, the basic characteristics and design methods of deep‐sea pipelines, including subsea pipelines and risers, were analyzed and reviewed. Finally, the installation and bearing capacity of deep‐sea subsea anchors and seabed trench influence on the anchor capacity were reviewed. •Provide a brief introduction about seabed structures and foundations related to deep‐sea resource development.•Introduce subsea production structures, including subsea manifolds and their foundations (mudmats, suction piles), from a design perspective.•Analyze the basic characteristics and design methods of deep‐sea pipelines, including subsea pipelines and risers.•Introduce the installation and bearing capacity of anchors in deep‐sea, and summarize seabed trench influence on anchor capacity. Provide a brief introduction about seabed structures and foundations related to deep‐sea resource development. Introduce subsea production structures, including subsea manifolds and their foundations (mudmats, suction piles), from a design perspective. Analyze the basic characteristics and design methods of deep‐sea pipelines, including subsea pipelines and risers. Introduce the installation and bearing capacity of anchors in deep‐sea, and summarize seabed trench influence on anchor capacity.
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- 2024
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3. Research Progress of Nanomaterials for Prevention, Diagnosis, and Treatment of SARS-CoV-2
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Feng, Yachan, Zhang, Haojie, Shao, Jiangtao, Zhou, Xiaolei, Fu, Yu, Du, Chao, Guo, Xueling, and Wang, Yingze
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The COVID-19 outbreak encouraged the global development of efficient prevention, diagnosis, and treatment while posing a major threat to the global economy and public health. It is discovered that due to the benefits of nanomaterials, including their ease of preparation, low cost, and ease of modification, there is a new possibility to create tactics against SARS-CoV-2. Studies on the economic viability, long-term safety, biocompatibility, and environmental effects of nanomaterials are still scarce, nevertheless. Currently, the primary methods for combating the SARS-CoV-2 virus are the creation of potent disinfectants, quick and precise diagnostic instruments, and nanovaccines. In order to give useful data reference for the development of nanomaterials against SARS-CoV-2 virus, this review first provides a brief introduction to the structure and infection mode of the SARS-CoV-2 virus. It next assesses the use of nanomaterials themselves. In order to establish a comprehensive cooperative battle against SARS-CoV-2 virus, it concludes by focusing on the application of nanomaterials for the prevention, diagnosis, and treatment of SARS-CoV-2 virus as well as their combined application with existing technologies.
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- 2024
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4. Strategies to Enhance l‑Isoleucine Synthesis by Modifying the Threonine Metabolism Pathway in Escherichia coli.
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Zhang, HaoJie, Ye, Tong, Fengmin, Liu, Zhang, Xiangjun, Wang, Jipeng, Wei, Xiaobo, Neo, Yun Ping, Liu, Huiyan, and Fang, Haitian
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- 2024
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5. Simulation and Experiment of Soft-Decision Decoding for Short-Frame Fountain Code Over Plasma Sheath Channel
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Zhang, Qiongjie, Li, Xiaoping, Yang, Min, Wei, Qiang, Liu, Yanming, Liu, Donglin, and Zhang, Haojie
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A hypersonic vehicle is covered by a plasma sheath during flight, which seriously attenuates the power of electromagnetic (EM) waves and generates the so-called “radio blackout” phenomenon when the equivalent frequency of plasma is greater than the carrier frequency. However, the parameters of plasma sheath vary randomly with time. The variation produces some random time slots where the equivalent frequency of plasma is lower than the carrier frequency, so the EM waves can penetrate the plasma sheath. Random time slots cause the receiver unable to receive information in the form of a complete frame, resulting in the traditional communication methods being no longer applicable. In order to receive the complete frame in random time slots and maximize the use of temporal resources of the plasma sheath channel, this article constructs a temporal-varying plasma sheath channel, proposes a soft-decision decoding algorithm for short-frame fountain codes (SFFCs), studies the relationship between the encode parameters and the characteristics of the channel, and designs communication experiments based on inductively coupling plasma (ICP). The short-frame fountain code (SFFC) has the characteristics of no-rate and short-frame, which can adapt to the short-time and random of the plasma sheath. In addition, soft-decision decoding algorithm can effectively reduce misjudgment of the receiver, reduce packet error rate, and improve the utilization of limited temporal resources of the plasma sheath channel. Simulation and experiments show that the proposed method achieves higher utilization of temporal resources of plasma sheath channel, and improves the reliability of communication. Even if the plasma equivalent frequency is higher than the carrier frequency, the uninterrupted and correct transmission of information can be realized.
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- 2024
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6. Twist-assisted all-antiferromagnetic tunnel junction in the atomic limit
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Chen, Yuliang, Samanta, Kartik, Shahed, Naafis A., Zhang, Haojie, Fang, Chi, Ernst, Arthur, Tsymbal, Evgeny Y., and Parkin, Stuart S. P.
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Antiferromagnetic spintronics1,2shows great potential for high-density and ultrafast information devices. Magnetic tunnel junctions (MTJs), a key spintronic memory component that are typically formed from ferromagnetic materials, have seen rapid developments very recently using antiferromagnetic materials3,4. Here we demonstrate a twisting strategy for constructing all-antiferromagnetic tunnel junctions down to the atomic limit. By twisting two bilayers of CrSBr, a 2D antiferromagnet (AFM), a more than 700% nonvolatile tunnelling magnetoresistance (TMR) ratio is shown at zero field (ZF) with the entire twisted stack acting as the tunnel barrier. This is determined by twisting two CrSBr monolayers for which the TMR is shown to be derived from accumulative coherent tunnelling across the individual CrSBr monolayers. The dependence of the TMR on the twist angle is calculated from the electron-parallel momentum-dependent decay across the twisted monolayers. This is in excellent agreement with our experiments that consider twist angles that vary from 0° to 90°. Moreover, we also find that the temperature dependence of the TMR is, surprisingly, much weaker for the twisted as compared with the untwisted junctions, making the twisted junctions even more attractive for applications. Our work shows that it is possible to push nonvolatile magnetic information storage to the atomically thin limit.
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- 2024
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7. Measurement of CO2 Isotopologue Ratios Using a Hollow Waveguide-Based Mid-Infrared Dispersion Spectrometer.
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Zhang, Haojie, Wu, Tao, Wu, Qiang, Chen, Weidong, Ye, Chenwen, Wang, Mengyu, and He, Xingdao
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- 2023
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8. Measurement of CO2Isotopologue Ratios Using a Hollow Waveguide-Based Mid-Infrared Dispersion Spectrometer
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Zhang, Haojie, Wu, Tao, Wu, Qiang, Chen, Weidong, Ye, Chenwen, Wang, Mengyu, and He, Xingdao
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We demonstrate for the first time the measurement of CO2isotope ratios (13C/12C and 18O/16O) in a hollow waveguide (HWG) fiber using a mid-infrared heterodyne phase-sensitive dispersion spectrometer (HPSDS). A 4.329 μm interband cascade laser is used to target the absorption lines of three CO2isotopes (13C16O2, 18O12C16O, and 12C16O2) in a 1 m long and 1 mm inner diameter HWG fiber. The detection limits are 0.29 ppm, 65.78 ppb, and 14.65 ppm with an integration time of 218 s for 13C16O2, 18O12C16O, and 12C16O2, respectively, at a modulation frequency of 160 MHz and a pressure of 230 mbar. The measurement precisions of δ13C and δ18O are 0.89 and 0.88 ‰, respectively, corresponding to an integration time of 167 s. An experimental comparison between a HPSDS and a built wavelength modulation system with second-harmonic detection (WMS-2f) is conducted. The results show that compared to the WMS-2f, the developed HPSDS exhibits a greater linear dynamic range and excellent long-term stability. This work aims to demonstrate a detection technique of CO2isotope dispersion spectroscopy with a large dynamic range for relevant applications focusing on samples with high concentrations of CO2(% volume fraction), such as respiratory analysis in medical diagnostics.
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- 2023
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9. Insect-Inspired Strategy for Conferring Reversible, High Responsivity on Microgels to Dilute-Source CO2.
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Qiu, Huijuan, Li, Jingyu, Wang, Mengjie, Zhang, Haojie, Shen, Jing, Xie, Jianda, Wang, Yusong, and Wu, Weitai
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- 2023
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10. Replacement of leisure-time sedentary behavior with various physical activities and the risk of dementia incidence and mortality: A prospective cohort study.
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Sun, Ying, Chen, Chi, Yu, Yuetian, Zhang, Haojie, Tan, Xiao, Zhang, Jihui, Qi, Lu, Lu, Yingli, and Wang, Ningjian
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SEDENTARY behavior ,PHYSICAL activity ,DEMENTIA - Abstract
• Longer periods of leisure-time sedentary behavior were associated with a higher risk of dementia incidence and mortality, especially among individuals ≤60 years. • Replacing 30 min/day of leisure-time sedentary behavior time with an equal amount of time spent doing different physical activities was associated with a 7%–18% decreased risk of dementia incidence and a 12%–21% decreased risk of mortality from dementia, with more intense exercises showing a stronger benefit. • Compared with apolipoprotein E allele ε4 noncarriers, apolipoprotein E ε4 carriers are more likely to see reduced incidence and mortality of Alzheimer's disease when physical activity is substituted for sedentary behavior. Whether or not there is targeted pharmacotherapy for dementia, an active and healthy lifestyle that includes physical activity (PA) may be a better option than medication for preventing dementia. We examined the association between leisure-time sedentary behavior (SB) and the risk of dementia incidence and mortality. We further quantified the effect on dementia risk of replacing sedentary time with an equal amount of time spent on different physical activities. In the UK Biobank, 484,169 participants (mean age = 56.5 years; 45.2% men) free of dementia were followed from baseline (2006–2010) through July 30, 2021. A standard questionnaire measured individual leisure-time SB (watching TV, computer use, and driving) and PA (walking for pleasure, light and heavy do-it-yourself activity, strenuous sports, and other exercise) frequency and duration in the 4 weeks prior to evaluation. Apolipoprotein E (APOE) genotype data were available for a subset of 397,519 (82.1%) individuals. A Cox proportional hazard model and an isotemporal substitution model were used in this study. During a median 12.4 years of follow-up, 6904 all-cause dementia cases and 2115 deaths from dementia were recorded. In comparison to participants with leisure-time SB <5 h/day, the hazard ratio ((HR), 95% confidence interval (95%CI)) of dementia incidence was 1.07 (1.02–1.13) for 5–8 h/day and 1.25 (1.13–1.38) for >8 h/day, and the HR of dementia mortality was 1.35 (1.12–1.61) for >8 h/day. A 1 standard deviation increment of sedentary time (2.33 h/day) was strongly associated with a higher incidence of dementia and mortality (HR = 1.06, 95%CI: 1.03–1.08 and HR = 1.07, 95%CI: 1.03–1.12, respectively). The association between sedentary time and the risk of developing dementia was more profound in subjects <60 years than in those ≥60 years (HR = 1.26, 95%CI: 1.00–1.58 vs. HR = 1.21, 95%CI: 1.08–1.35 in >8 h/day, p for interaction = 0.013). Replacing 30 min/day of leisure sedentary time with an equal time spent in total PA was associated with a 6% decreased risk and 9% decreased mortality from dementia, with exercise (e.g., swimming, cycling, aerobics, bowling) showing the strongest benefit (HR = 0.82, 95%CI: 0.78–0.86 and HR = 0.79, 95%CI: 0.72–0.86). Compared with APOE ε4 noncarriers, APOE ε4 carriers are more likely to see a decrease in Alzheimer's disease incidence and mortality when PA is substituted for SB. Leisure-time SB was positively associated with the risk of dementia incidence and mortality. Replacing sedentary time with equal time spent doing PA may be associated with a significant reduction in dementia incidence and mortality risk. [Display omitted] [ABSTRACT FROM AUTHOR]
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- 2023
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11. A formation cooperative reconnaissance strategy for multi-UGVs in partially unknown environment
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Zhang, Haojie, Yang, Tiantian, and Su, Zhibao
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ABSTRACTRecently, multiple unmanned ground vehicles (multi-UGVs) have attracted a great deal of attention as viable solutions to a wide variety of military and civilian applications. Among many topics in the field of multi-UGVs, the formation cooperative reconnaissance is of great importance, which helps to concentrate firepower to suppress and eliminate the suspicious enemies. This paper presents a formation cooperative reconnaissance strategy for multi-UGVs to explore all the unknown areas in the environment, which is similar to the human soldiers paraded on patrol. First, the frontier-based exploration algorithm is proposed to get the reconnaissance targets in the unknown areas which is modeled as a global grid map. Then, A*-based multi-target path planning is applied to find the right exploring order of reconnaissance targets. Lastly, the distance-angle leader-follower formation control laws are designed to make the multi-UGVs rapidly form a desired formation after assigning a reconnaissance goal. The experiment results show that all the reconnaissance targets are searched and explored. The follower UGVs are gradually adjusting their position and orientation to follow the leader UGV while moving to each reconnaissance target sequentially. The motion of the multi-UGVs is reliable. Especially, the average position and heading errors of formation are less than 0.2%.
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- 2023
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12. Adaptive Space-Time Short-Frame Fountain Code With Plasma Sheath Channel
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Zhang, Qiongjie, Li, Xiaoping, Yang, Min, Liu, Yanming, and Zhang, Haojie
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A hypersonic vehicle is covered by a plasma sheath during reentry, which seriously attenuates the power of electromagnetic (EM) waves and generates the so-called “radio blackout” phenomenon when the equivalent frequency of plasma is greater than the carrier frequency. However, the parameters of plasma sheath vary randomly with time and axial distance. The variation produces some random time slots where the equivalent frequency of plasma is lower than the carrier frequency, so the EM waves can penetrate the plasma sheath. Random time slots cause receiver unable to receive information with the form of complete frame, resulting in the traditional communication methods being no longer applicable. In order to receive the complete frame in random time slots and make full use of the spatial–temporal resources of the plasma sheath channel, we construct a spatial–temporal-varying plasma sheath channel mode, propose an adaptive space-time short-frame fountain code (ASTSFFC), and study the relationship between the ASTSFFC parameters and the characteristics of the channel. The ASTFFC has the characteristics of no-rate and short-frame, which can adapt to the short-time and random of the plasma sheath. In addition, ASTFFC contains an adaptive multilevel coding matrix to deal with the massive changes of plasma sheath parameters during reentry. Simulation shows that the proposed method achieves higher utilization of spatial–temporal resources of plasma sheath channel, and improves the reliability of communication by adaptively adjusting the coding strategy. When the plasma equivalent frequency is lower than the carrier frequency, information can be transmitted at high speed. Even when the plasma equivalent frequency is close to the carrier frequency, information can also be transmitted correctly.
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- 2023
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13. Photoacoustic imaging method for nondestructive testing of uterine tumors
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Luo, Qingming, Wang, Lihong V., Tuchin, Valery V., Wang, Feiyang, Zhang, Haojie, Ge, Chuanhui, Zhang, Xiaoman, Guo, Hengchang, Yi, Huan, Zhang, Yulong, and Li, Hui
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- 2023
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14. Replacement of leisure-time sedentary behavior with various physical activities and the risk of dementia incidence and mortality: A prospective cohort study
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Sun, Ying, Chen, Chi, Yu, Yuetian, Zhang, Haojie, Tan, Xiao, Zhang, Jihui, Qi, Lu, Lu, Yingli, and Wang, Ningjian
- Abstract
•Longer periods of leisure-time sedentary behavior were associated with a higher risk of dementia incidence and mortality, especially among individuals ≤60 years.•Replacing 30 min/day of leisure-time sedentary behavior time with an equal amount of time spent doing different physical activities was associated with a 7%–18% decreased risk of dementia incidence and a 12%–21% decreased risk of mortality from dementia, with more intense exercises showing a stronger benefit.•Compared with apolipoprotein E allele ε4 noncarriers, apolipoprotein E ε4 carriers are more likely to see reduced incidence and mortality of Alzheimer's disease when physical activity is substituted for sedentary behavior.
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- 2023
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15. Age‐specific and sex‐specific associations of visceral adipose tissue mass and fat‐to‐muscle mass ratio with risk of mortality
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Yu, Bowei, Sun, Ying, Du, Xinyue, Zhang, Haojie, Chen, Chi, Tan, Xiao, Yang, Zhongyi, Lu, Yingli, and Wang, Ningjian
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Limited studies have explored the association between visceral adipose tissue (VAT) mass and fat‐to‐muscle mass ratio (FMR) and mortality. We aimed to evaluate the sex‐specific association of VAT and FMR with all‐cause and cause‐specific mortality by age. A total of 438 896 participants (49.8% men, mean age ± standard deviation: 57 ± 8 years for men; 56 ± 8 years for women) were included from the UK Biobank cohort. The nature of VAT was predictive, as obtained by sex‐stratified, non‐linear prediction models. Fat and muscle mass were estimated using a bioelectrical impedance assessment device. FMR was calculated as the fat mass divided by the muscle mass in the whole body. VAT and FMRs were divided into quintiles in ascending order, and the 3rd quintile was used as the reference. Cox regression analyses were used to estimate the associations between VAT, FMR and mortality. During a median of 12.4 years of follow‐up, we documented 29 903 deaths. After adjusting for various covariates, the individuals in the highest quintiles of VAT and FMR had the highest hazard ratios (HRs) of all‐cause mortality [1.24 (95% confidence interval: 1.17–1.33) for VAT and 1.24 (1.17–1.31) for FMR in men; and 1.11 (1.03–1.21) for VAT in women], except that the 1st quintile of FMR in women had the greatest HR [1.18 (1.09–1.27)]. Significant interactions were observed in both sexes according to age category (Pfor interaction < 0.05). Among men <50 years, participants in the 1st and 5th quintiles of VAT and FMR had significantly higher risks of mortality [1.30 (1.02–1.66) and 1.67 (1.27–2.19) in VAT; 1.25 (0.99–1.56) and 1.41 (1.11–1.79) in FMR, respectively]; in women, this phenomenon was observed in the ≥60 age group [1.16 (1.06–1.27) and 1.19 (1.08–1.31) in VAT; 1.18 (1.08–1.29) and 1.11 (1.01–1.22) in FMR, respectively]. VAT showed a linear positive association with mortality in women <60 years and a J‐shaped association from respiratory disease in both sexes ≥60 years. FMR showed a linear positive association with mortality from cancer in men <60 years and a J‐shaped association with mortality from cause‐specific mortality in both sexes ≥60 years, except for mortality from cardiovascular disease in men. Most associations of VAT and FMR with all‐cause mortality were J‐shaped and were significantly modified by age status (<50, 50–59 and ≥60 years). The clinical implication is that regarding body composition and VAT mass, different health strategies may be adopted for people of different sexes and ages.
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- 2023
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16. Role of necroptosis in traumatic brain and spinal cord injuries.
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Hu, Xinli, Xu, Yu, Zhang, Haojie, Li, Yao, Wang, Xiangyang, Xu, Cong, Ni, Wenfei, and Zhou, Kailiang
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[Display omitted] • Temporal pattern of RIPK1/RIPK3/MLKL expression is different following CNS trauma. • Molecular target-mediated necroptosis and potential treatment strategies among cell types are different in CNS trauma. • MicroRNAs (miRNAs) regulate necroptosis involved in CNS trauma. • Necroptosis is involved in the regulation of apoptosis and autophagy. • Targeting necroptosis can be a novel therapeutic strategy for CNS trauma. Traumatic brain injury (TBI) and spinal cord injury (SCI) are capable of causing severe sensory, motor and autonomic nervous system dysfunctions. However, effective treatments for TBI and SCI are still unavailable, mainly because the death of nerve cells is uncontrollable. Necroptosis is a type of programmed cell death and a critical mechanism in the process of neuronal cell death. However, the role of necroptosis has not been comprehensively defined in TBI and SCI. This review aimed to summarize the role of necroptosis in central nervous system (CNS) trauma and its therapeutic implications and present important suggestions for researchers conducting in-depth research. Necroptosis is orchestrated by a complex comprising the receptor-interacting protein kinase (RIPK)1, RIPK3 and mixed lineage kinase domain-like protein (MLKL) proteins. Mechanistically, RIPK1 and RIPK3 form a necrosome with MLKL. After MLKL dissociates from the necrosome, it translocates to the plasma membrane to induce pore formation in the membrane and then induces necroptosis. In this review, the necroptosis signalling pathway and the execution of necroptosis are briefly discussed. In addition, we focus on the existing information on the mechanism by which necroptosis participates in CNS trauma, particularly in the temporal pattern of RIPKs and in different cell types. Furthermore, we describe the association of miRNAs and necroptosis and the relationship between different types of CNS trauma cell death. Finally, this study highlights agents likely capable of curtailing such a type of cell death according to results optimization and CNS trauma and presents important suggestions for researchers conducting in-depth research. [ABSTRACT FROM AUTHOR]
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- 2022
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17. Sleep Duration and Visceral Adipose Tissue: Linear and Nonlinear Mendelian Randomization Analyses
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Yu, Yuefeng, Chen, Yingchao, Zhang, Haojie, Ai, Sizhi, Zhang, Jihui, Benedict, Christian, Wang, Ningjian, Lu, Yingli, and Tan, Xiao
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- 2022
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18. The role of gut microbiota in MP/NP-induced toxicity.
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Pan, Yinping, Zhang, Haojie, Zhu, Liancai, Tan, Jun, Wang, Bochu, and Li, Minghui
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Microplastics (MPs) and nanoplastics (NPs) are globally recognized as emerging environmental pollutants in various environmental media, posing potential threats to ecosystems and human health. MPs/NPs are unavoidably ingested by humans, mainly through contaminated food and drinks, impairing the gastrointestinal ecology and seriously impacting the human body. The specific role of gut microbiota in the gastrointestinal tract upon MP/NP exposure remains unknown. Given the importance of gut microbiota in metabolism, immunity, and homeostasis, this review aims to enhance our current understanding of the role of gut microbiota in MP/NP-induced toxicity. First, it discusses human exposure to MPs/NPs through the diet and MP/NP-induced adverse effects on the respiratory, digestive, neural, urinary, reproductive, and immune systems. Second, it elucidates the complex interactions between the gut microbiota and MPs/NPs. MPs/NPs can disrupt gut microbiota homeostasis, while the gut microbiota can degrade MPs/NPs. Third, it reveals the role of the gut microbiota in MP/NP-mediated systematic toxicity. MPs/NPs cause direct intestinal toxicity and indirect toxicity in other organ s via regulating the gut–brain, gut–liver, and gut–lung axes. Finally, novel approaches such as dietary interventions, prebiotics, probiotics, polyphenols, engineered bacteria, microalgae, and micro/nanorobots are recommended to reduce MP/NP toxicity in humans. Overall, this review provides a theoretical basis for targeting the gut microbiota to study MP/NP toxicity and develop novel strategies for its mitigation. [Display omitted] • Humans are primarily exposed to microplastics/nanoplastics through their diet. • Complex interactions exist between the gut microbiota and microplastics/nanoplastics. • Microplastics/nanoplastics cause toxicity via regulating the gut–X axes. • Novel approaches are recommended to reduce microplastic/nanoplastic toxicity in humans. [ABSTRACT FROM AUTHOR]
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- 2024
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19. MnFe layered double hydroxides confined MnOx for peroxymonosulfate activation: A novel manner for the selective production of singlet oxygen.
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Zeng, Hanxuan, Yang, Bufan, Zhang, Jinchen, Zhu, Hao, Deng, Jing, Shi, Zhou, Zhou, Shiqing, Zhang, Haojie, Cai, Anhong, and Deng, Lin
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REACTIVE oxygen species ,LAYERED double hydroxides ,PEROXYMONOSULFATE ,POLLUTANTS ,WATER supply - Abstract
Singlet oxygen (
1 O 2) is a reactive species for the selective degradation of stubborn organic pollutants. Given its resistance to harsh water environment, the effective and exclusive generation of1 O 2 is acknowledged as a key strategy to mitigate water production costs and ensure water supply safety. Herein, we synthesized MnO x intercalated MnFe layered double hydroxides (MF-MnO x) to selectively produce1 O 2 through the activation of PMS. The distinctive confined structure endowed MF-MnO x with a special pathway for the PMS activation. The direct oxidation of BPA on the intercalated MnO x induced the charge imbalance in the MnFe-LDH layer, resulting in the selective generation of1 O 2. Moreover, acceptable activity deterioration of MF-MnO x was observed in a 10 h continuous degradation test in actual water, substantiating the application potential of MF-MnO x. This work presents a novel catalyst for the selective production of1 O 2 , and evaluates its prospects in the remediation of micro-polluted water. [Display omitted] • MF-MnO x with confined structure was synthesized for the activation of PMS. • Selective production of1 O 2 was achieved in MF-MnO x /PMS system. • The distinctive confined structure of MF-MnO x determined the unique catalytic mechanism. • MF-MnO x /PMS system possessed satisfactory performance in resisting harsh water environment. [ABSTRACT FROM AUTHOR]- Published
- 2024
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20. Association between sex hormone-binding globulin and kidney function in men: results from the SPECT-China study
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Zhang, Haojie, Chen, Chi, Zhang, Xuan, Wang, Yuying, Wan, Heng, Chen, Yi, Zhang, Wen, Xia, Fangzhen, Lu, Yingli, Wang, Ningjian, and Guo, Lishao
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- 2022
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21. Inhibition of PLA2G4E/cPLA2 promotes survival of random skin flaps by alleviating Lysosomal membrane permeabilization-Induced necroptosis
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Lou, Junsheng, Wang, Xiangyang, Zhang, Haojie, Yu, Gaoxiang, Ding, Jian, Zhu, Xuwei, Li, Yao, Wu, Yaosen, Xu, Hui, Xu, Huazi, Gao, Weiyang, Xiao, Jian, and Zhou, Kailiang
- Abstract
ABSTRACTNecrosis that appears at the ischemic distal end of random-pattern skin flaps increases the pain and economic burden of patients. Necroptosis is thought to contribute to flap necrosis. Lysosomal membrane permeabilization (LMP) plays an indispensable role in the regulation of necroptosis. Nonetheless, the mechanisms by which lysosomal membranes become leaky and the relationship between necroptosis and lysosomes are still unclear in ischemic flaps. Based on Western blotting, immunofluorescence, enzyme-linked immunosorbent assay, and liquid chromatography-mass spectrometry (LC-MS) analysis results, we found that LMP was presented in the ischemic distal portion of random-pattern skin flaps, which leads to disruption of lysosomal function and macroautophagic/autophagic flux, increased necroptosis, and aggravated necrosis of the ischemic flaps. Moreover, bioinformatics analysis of the LC-MS results enabled us to focus on the role of PLA2G4E/cPLA2 (phospholipase A2, group IVE) in LMP of the ischemic flaps. In vivoinhibition of PLA2G4E with an adeno-associated virus vector attenuated LMP and necroptosis, and promoted flap survival. In addition, microRNA-seq helped us determine that Mir504-5pwas differentially expressed in ischemic flaps. A string of in vitroand in vivotests was employed to verify the inhibitory effect of Mir504-5pon PLA2G4E, LMP and necroptosis. Finally, we concluded that the inhibition of PLA2G4E by Mir504-5preduced LMP-induced necroptosis, thereby promoting the survival of random-pattern skin flaps.Abbreviations:AAV: adeno-associated virus; ACTA2/α;-SMA: actin alpha 2, smooth muscle, aorta; ALOX15/12/15-LOX: arachidonate 15-lipoxygenase; c-CASP8: cleaved caspase; c-CASP3: cleaved caspase 3; CTSD: cathepsin D; CTSB: cathepsin B; CTSL: cathepsin L; DMECs: primary mouse dermal microvascular endothelial cells; ELISA: enzyme-linked immunosorbent assay; F-CHP: 5-FAM-conjugated collagen hybridizing peptide; FISH: fluorescence in situ hybridization; HUVECs: human umbilical vein endothelial cells; LAMP1: lysosomal-associated membrane protein 1; LAMP2: lysosomal-associated membrane protein 2; LC-MS: liquid chromatography-mass spectrometry; LDBF: laser doppler blood flow; LMP: lysosomal membrane permeabilization; LPE: lysophosphatidylethanolamine; LPC: lysophosphatidylcholine; MAP1LC3/LC3: microtubule-associated protein 1 light chain 3; MLKL: mixed lineage kinase domain-like; NDI: N-dodecylimidazole; PECAM1/CD31: platelet/endothelial cell adhesion molecule 1; PLA2G4A/cPLA2: phospholipase A2, group IVA (cytosolic, calcium-dependent); PLA2G4E/cPLA2: phospholipase A2, group IVE; qPCR: quantitative real-time polymerase chain reaction; RIPK1: receptor (TNFRSF)-interacting serine-threonine kinase 1; RIPK3: receptor-interacting serine-threonine kinase 3; RISC: RNA-induced silencing complex; ROS: reactive oxygen species; shRNA: short hairpin RNA; SQSTM1: sequestosome 1; TBHP: tert-butyl hydroperoxide; TUNEL: terminal deoxynucleotidyl transferase dUTP nick end labelling.
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- 2022
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22. Joint Exposure to Positive Affect, Life Satisfaction, Depressive Symptoms, and Neuroticism and Incident Type 2 Diabetes
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Sun, Ying, Yu, Yuefeng, Zhang, Haojie, Wang, Bin, Chen, Chi, Wang, Yuying, Tan, Xiao, Zhang, Jihui, Chen, Yi, Xia, Fangzhen, Lu, Yingli, and Wang, Ningjian
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- 2022
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23. Application of slip line theory and core drilling in the prediction of rock c-φparameters
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Wang, Qi, Liu, Bohong, Jiang, Bei, Gao, Hongke, Li, Shucai, Xu, Shuo, and Zhang, Haojie
- Abstract
AbstractThe cohesion cand the internal friction angle φ(hereinafter referred to as the c-φparameters) are the basic parameters that characterise rock strength. This paper proposes a method that makes use of digital core drilling in the prediction of rock’s c-φparameters. Based on slip line theory, this paper develops a core drilling rock cutting mechanical model and obtains the quantitative relationship between core drilling parameters and the rock c-φparameters (CDP-cφrelation). Using the rock mass digital drilling test system developed in house, the digital core drilling of rock specimens in a laboratory setting was performed. Based on these experiments, a method that predicts rock c-φparameters using digital core drilling parameters based on slip line theory was proposed. Additionally, c-φparameters predictions and laboratory triaxial test values were used to compare and analyse the method. The results indicate that the difference and fluctuation of the theoretical values and the test values are small, and the reliability of CDP-cφrelation is high. The proposed method can obtain rock c-φparameters at underground project sites accurately.
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- 2022
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24. In situ synthesized Ag nanoparticles encapsulated inside carbonized ZIF-8 for efficient Cr(VI) reduction
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Zhang, Haojie, Jiang, Zhuo-Rui, Zhou, Yu-Xiao, Chen, Rui, Jiang, Hongmei, and Li, Ying
- Abstract
Effective reduction of carcinogenic contaminant Cr(VI) to low-toxic Cr(III) is of global importance for environmental and water source protection. Herein, a stable metal-organic framework (MOF), ZIF-8, was carbonized as a template to synthesize a novel nanocomposite involving Ag nanoparticles (NPs) inside (Ag@C-ZIF-8). Surprisingly, the Ag NPs synthesized in situ in the Ag+@C-ZIF-8/AB system exhibited outstanding reduction ability toward Cr(VI) and eliminated 100 % of Cr(VI) (20 mg/L) within 10 min in an initial pH range of 3–5. The Cr(VI) removal efficiency was much higher compared with these systems of AB (25.5 %), C-ZIF-8/AB (44.6 %), Ag+/AB (66.8 %), and Ag@C-ZIF-8/AB (39.3 %). Increasing the initial pH of the solution and the amount of C-ZIF-8 template accelerated Cr(VI) reduction. In four cycles of experiments, over 92 % of Cr(VI) was reduced without any treatment, demonstrating the excellent stability and reusability of Ag@C-ZIF-8. X-ray photoelectron spectroscopy (XPS) characterization and mechanism exploration experiments indicated that Ag NPs catalyzed AB dehydrogenation and efficiently reduced Cr(VI) together with the generated hydrogen. This is the first report on carbonized MOF-based Ag NPs synthesized in situ for Cr(VI) reduction by combining catalytic AB dehydrogenation with metal nanoparticle reducibility. This work provides new avenues for the utilization of heavy metal ions in water environments and the development of novel and efficient reductants/catalysts of Cr(VI) removal.
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- 2024
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25. Multifunctional response of biomass carbon/sodium sulfate decahydrate composite phase change materials
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Liang, Qianwei, Zhang, Haojie, Li, Yali, Zhang, Xiaoguang, and Pan, Dean
- Abstract
Building energy conservation has important practical significance for solving the energy crisis. Inorganic hydrated salt composite phase change materials (PCMs) with multi-functional responses provide new ideas for low-cost realization of building energy conservation. This paper selects corn stalks (CS) and corn cobs (CC), which have regular pore gaps, through-structure, wide distribution, and are economically recyclable, as raw materials to prepare biochar materials with rich pore structures through high-temperature carbonization. Modified sodium sulfate decahydrate (M-SSD) with excellent performance is organized by modifying borax and sodium carboxymethylcellulose. Then, CS, CC, and modified sodium sulfate decahydrate were used as raw materials, and a vacuum impregnation process was used to prepare biomass carbon-based composite PCMs. The results show that CS and CC have rich pore structures and are excellent adsorption carriers. M-SSD eliminates phase separation and reduces subcooling. The phase change temperature of the biomass carbon-based composite PCMs is 32.26 °C, and the phase change enthalpy is 188.9 J/g. It can complete heat storage and release at low voltage within the human body's safe voltage range and has good heat storage and release capabilities under simulated sunlight. Therefore, the ability of biomass carbon-based composite PCMs to store and release energy caused by excellent electrothermal and photothermal responses gives them great application potential in building temperature regulation.
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- 2024
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26. 28km long-distance transmission of high-power laser over few-mode/single-mode fiber system
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Su, Junhong, Chen, Lianghui, Chu, Junhao, Zhu, Shining, Yu, Qifeng, Li, Yuemei, Chang, Shaolong, Zhang, Haojie, Cai, Shanyong, and Zhang, Zhiguo
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- 2022
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27. A method for measuring and adaptively correcting lens center thickness based on the chromatic confocal principle.
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Zhang, Haojie, Li, Zhisong, Hu, Honglei, Sun, Jiaxing, Hou, Yuzhu, and Song, Jinlong
- Abstract
Optical systems are widely used in aerospace, life sciences, civil livelihood and other fields. The lens is one of the most common components in optical systems, and its centre thickness is an important parameter in material characterization and manufacturing process, which directly affects the performance and function of optical components. In this paper, based on the chromatic confocal principle and laser interference technology, we propose a method applied to the measurement and adaptive correction of lens centre thickness, aiming to solve the problem of lens centre thickness measurement error. We successfully built an adaptive error correction system and proposed a translation correction algorithm and a tilt correction algorithm. This method not only can accurately measure the lens thickness but also can adaptively compensate for the measurement error caused by the lack of accuracy of mechanical elements or motion mechanisms through the spatial attitude correction of the element to be measured. The experimental results show that this method has obvious advantages in the translation error correction and tilt error correction of the lens. After the translation correction, the measurement accuracy of the lens is improved by about 75.21%; after the tilt correction, the measurement accuracy of the lens is improved by about 71.48%. [ABSTRACT FROM AUTHOR]
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- 2024
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28. Construction of Position-Controllable Graphene Bubbles in Liquid Nitrogen with Assistance of Low-Power Laser.
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Zhang, Xin, Zhang, Haojie, Cao, Shiwei, Zhang, Ning, Jin, Bo, Zong, Zewen, Li, Zhan, and Chen, Ximeng
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- 2020
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29. Redox-Responsive Oil-In-Dispersion Emulsions Stabilized by Similarly Charged Ferrocene Surfactants and Alumina Nanoparticles.
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Zhang, Haojie, Wu, Jia, Jiang, Jianzhong, Cui, Zhenggang, and Xia, Wenshui
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- 2020
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30. Effects of inverted photoperiods on the blood pressure and carotid artery of spontaneously hypertensive rats and Wistar–Kyoto rats
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Wang, YunLei, Zhang, Tong, Zhang, YuGe, Yu, Yan, Bai, Fan, Zhang, HaoJie, and Chi, YaFei
- Abstract
Supplemental Digital Content is available in the text
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- 2021
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31. Direct Assembly of Bioactive Nanoparticles Constructed from Polyphenol-Nanoengineered Albumin
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Zhang, Haojie, He, Yunxiang, Zhang, Yajing, Pan, Jiezhou, Guo, Tingxu, Huang, Huijun, Dai, Mengyuan, Shang, Jiaojiao, Gong, Guidong, and Guo, Junling
- Abstract
Albumin nanoparticles are widely used in biomedicine due to their safety, low immunogenicity, and prolonged circulation. However, incorporating therapeutic molecules into these carriers faces challenges due to limited binding sites, restricting drug conjugation efficiency. We introduce a universal nanocarrier platform (X-UNP) using polyphenol-based engineering to incorporate phenolic moieties into albumin nanoparticles. Integration of catechol or galloyl groups significantly enhances drug binding and broadens the drug conjugation possibilities. Our study presents a library of X-UNP nanoparticles with improved drug-loading efficiency, achieving up to 96% across 10 clinically used drugs, surpassing conventional methods. Notably, ibuprofen-UNP nanoparticles exhibit a 5-fold increase in half-life compared with free ibuprofen, enhancing in vivo analgesic and anti-inflammatory effectiveness. This research establishes a versatile platform for protein-based nanosized materials accommodating various therapeutic agents in biotechnological applications.
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- 2024
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32. Effect of dietary aspirin eugenol ester on the growth performance, antioxidant capacity, intestinal inflammation, and cecal microbiota of broilers under high stocking density
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Zhang, Haojie, Zhang, Yi, Bai, Dongying, Zhong, Jiale, Hu, Xiaodi, Zhang, Ruilin, Zhen, Wenrui, Ito, Koichi, Zhang, Bingkun, Yang, Yajun, Li, Jianyong, and Ma, Yanbo
- Abstract
This study was designed to examine the impact of aspirin eugenol ester (AEE) on the growth performance, serum antioxidant capacity, jejunal barrier function, and cecal microbiota of broilers raised under stressful high density (HD) stocking conditions compared with normal density broilers (ND). A total of 432 one-day-old AA+ male broilers were randomly divided into four groups: normal density (ND, 14 broilers /m2), high density (HD, 22 broilers /m2), ND + AEE, and HD + AEE. The results of the study revealed a significant decrease in the growth performance of broiler chickens as a result of HD stress (P< 0.05). The total antioxidant capacity (T-AOC) in serum demonstrated a significant decrease (P< 0.05) at both 28 and 35 days. Conversely, the serum level of malondialdehyde (MDA) exhibited a significant increase (P< 0.05). Dietary supplementation of AEE resulted in a significant elevation (P< 0.05) of serum GSH-PX, SOD and T-AOC activity at both 28 and 35 days. Moreover, exposure to HD stress resulted in a considerable reduction in the height of intestinal villi and mRNA expression of tight junction proteins in the jejunum, along with, a significant elevation in the mRNA expression of inflammatory cytokines (P< 0.05). However, the administration of AEE reversed the adverse effects of HD-induced stress on villus height and suppressed the mRNA expression of the pro-inflammatory genes, COX-2and mPGES-1. Additionally, the exposure to HD stress resulted in a substantial reduction in the α-diversity of cecal microbiota and disruption in the equilibrium of intestinal microbial composition, with a notable decrease in the relative abundance of Bacteroidesand Faecalibacterium(P< 0.05). In contrast, the addition of AEE to the feed resulted in a notable increase in the relative abundance of Phascolarctobacteriumand enhanced microbial diversity (P< 0.05). The inclusion of AEE in the diet has been demonstrated to enhance intestinal integrity and growth performance of broilers by effectively mitigating disruptions in gut microbiota induced by HD stress.
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- 2024
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33. An improved method for measuring epi-wafer thickness based on the infrared interference principle: Addressing interference quality and multiple interferences in double-layer structures.
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Sun, Jiaxing, Li, Zhisong, Zhang, Haojie, Song, Jinlong, and Zhai, Tianbao
- Abstract
The precise measurement of the thickness of substrate and epitaxial layers in epi-wafers is essential in the semiconductor chip fabrication process. This study presents a new method for measuring the thickness of epi-wafers using Fourier Transform Infrared (FTIR) technology, which allows for precise, simultaneous, and fast measurement of both substrate and epitaxial layers. To address the low accuracy of traditional FTIR techniques, a novel VMD-LSP algorithm is introduced, capable of precisely extracting frequency components from the original spectral signal to calculate the precise thickness of the substrate and epitaxial layers. This study also introduces an adaptive spectral excision algorithm and a high-precision thickness extraction algorithm to handle variations in the infrared light absorption of different epi-wafer materials, leading to weakened interference signals, and the challenges that stem from the unique double-layer structure of the wafer. These algorithms efficiently reduce the impact of poor spectral quality and multiple interferences on measurement results, resulting in improved measurement accuracy and stability. During the experimental phase, we compared our results obtained by ellipsometry as truth to evaluate the accuracy and stability of our proposed method. The results show an 85% reduction in measurement error and a 65% improvement in stability compared to traditional methods. As a result, our method meets the need for fast and efficient epi-wafer thickness measurement in semiconductor chip manufacturing, providing a feasible and effective solution to the challenge of epi-wafer thickness measurement. [ABSTRACT FROM AUTHOR]
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- 2023
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34. Construction of Position-Controllable Graphene Bubbles in Liquid Nitrogen with Assistance of Low-Power Laser
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Zhang, Xin, Zhang, Haojie, Cao, Shiwei, Zhang, Ning, Jin, Bo, Zong, Zewen, Li, Zhan, and Chen, Ximeng
- Abstract
Graphene bubbles (GBs) are of significant interest owing to their distinguished electrical, optical, and magnetic properties. GBs can also serve as high-pressure reaction vessels to numerous chemical reactions. However, previous strategies to produce GBs are relatively elaborate and random. Therefore, their potential applications are severely restricted. Here, a facile and effective protocol is proposed to construct position-controllable GBs in liquid nitrogen (LN) with the assistance of laser and graphene wrinkles. Specifically, a film of graphene mounted on a SiO2substrate (G@SiO2) is subjected to irradiation by a low-power laser in LN and then many GBs emerge from the surface of G@SiO2. Most impressively, the domain where GBs arise is the position of the laser beam spot. Hence, we demonstrated that the high collimation of laser facilitates the position definition of GBs. The microscopic results indicate that some GBs split into three parts when they were subjected to irradiation by an electron. Meanwhile, some GBs degenerate into pores with a diameter of 500 nm when they are exposed to air. To grasp the properties of GBs in depth, the molecular dynamics (MD) simulations are performed, and the corresponding results indicate that temperature has very little impact on the GBs’ shape. A phase transition process of the substance inside GBs is also revealed. Moreover, a two-dimensional (2D) solid nitrogen is discovered by MD simulations. The simplicity of our protocol paves the way to engineer high-pressure microreaction vessels and fabricate porous graphene membranes.
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- 2020
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35. Redox-Responsive Oil-In-Dispersion Emulsions Stabilized by Similarly Charged Ferrocene Surfactants and Alumina Nanoparticles
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Zhang, Haojie, Wu, Jia, Jiang, Jianzhong, Cui, Zhenggang, and Xia, Wenshui
- Abstract
A redox-responsive oil-in-dispersion emulsion was developed by using a cationic ferrocene surfactant (FcCOC10N) and Al2O3nanoparticles, in which the required concentrations of FcCOC10N and Al2O3nanoparticles are as low as 0.001 mM (≈0.005 cmc) and 0.006 wt %, respectively. Rapid demulsification can be successfully achieved through a redox trigger, resulting from the transition of FcCOC10N from a normal cationic surfactant form into a strongly hydrophilic Bola type form (Fc+COC10N). Moreover, Fc+COC10N together with the particles almost resides in the aqueous phase and can be recovered after the reduction reaction. Not only the amount of surfactant and nanoparticles are significantly reduced but also the emulsifier (surfactant and alumina) can be recycled and reused from the aqueous phase, which is a sustainable and economical strategy for various applications.
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- 2020
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36. Long-Life Rechargeable Zn Air Battery Based on Binary Metal Carbide Armored by Nitrogen-Doped Carbon.
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Lin, Chao, Li, Xiaopeng, Shinde, Sambhaji S., Kim, Dong-Hyung, Song, Xiaokai, Zhang, Haojie, and Lee, Jung-Ho
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- 2019
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37. A method for measuring and calibrating the thickness of thin films based on infrared interference technology.
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Sun, Jiaxing, Li, Xinyu, Zhang, Haojie, Song, Jinlong, and Li, Zhisong
- Abstract
Transparent thin films are critical industrial components widely used in advanced optics, microelectronics and materials science, among other relevant fields. The rapid and stable measurement of sub-micron industrial film thickness is of particular importance. In this study, a novel method based on the principles of infrared interference and laser profilometry is proposed to calculate the periodogram of the original spectrum and accurately extract the maximum frequency. In addition, a high-precision, compact and low-cost thin-film thickness measurement and calibration system is developed. This system achieves accurate measurement of single-layer film thickness and adapts to correct errors caused by slight tilt due to mechanical vibration or misalignment during film placement. Experimental data show that, compared to conventional infrared interference thickness measurement systems, the use of the proposed maximum frequency extraction algorithm improves measurement accuracy by approximately 90% and stability by approximately 70%. Furthermore, even when measuring the thickness of films with inclined components, the use of the constructed thin film thickness measurement and calibration system provides equivalent results. [ABSTRACT FROM AUTHOR]
- Published
- 2023
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38. The "Hand as Foot" teaching method in posterior cubital triangle.
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Hou, Changran, Zhang, Haojie, Yang, Zhenlin, and Wu, Mengmeng
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- 2022
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39. The "Hand as Foot" teaching method in endoscopic thyroidectomy by a gasless unilateral axillary approach.
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Zhang, Xiangsheng, Zhang, Haojie, Wu, Mengmeng, and Yang, Zhenlin
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- 2022
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40. The "Hand as Foot" teaching method in anatomy of the choledocho-pancreatic duct.
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Zhang, Haojie, Jia, Zhongming, Yang, Zhenlin, and Sun, Hongguang
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- 2022
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41. The "Hand as Foot" teaching method in the spleen anatomy.
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Hou, Changran, Zhang, Haojie, Wang, Xiaohong, and Yang, Zhenlin
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- 2022
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42. The "Hand as Foot" teaching method in anatomy of the appendix.
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Zhang, Haojie, Xiao, Feifei, Yang, Zhenlin, and Sun, Hongguang
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- 2022
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- View/download PDF
43. The "Hand as Foot" teaching method in lymphatic drainage of the mammary gland.
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Zhang, Haojie, Xiao, Feifei, Yang, Zhenlin, and Sun, Hongguang
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- 2022
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44. Posterolateral Approach With Buttress Plates and Cannulated Screw Fixation for Large Posterior Malleolus Fractures.
- Author
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Zhou, Qiang, Lu, Hua, Wang, Zhanchao, Yu, Siming, and Zhang, Haojie
- Abstract
The present study retrospectively reviewed the clinical efficacy of open reduction and internal fixation with buttress plates and cannulated screws via a posterolateral approach for the treatment of large posterior malleolus fractures. From July 2009 to April 2012, 34 patients (15 males and 19 females; mean age 41.2 years) with posterior malleolus fractures involving >25% of the distal articular tibia, were treated by cannulated screw and buttress plate fixation. All the patients were followed for ≥24 months. The outcome measures included the radiographic appearance of the reduction and bone union and the Baird-Jackson score. The average operation time was 105.6 (range 78 to 145) minutes. Radiologic examination showed all fractures achieved anatomic reduction and primary bone union at a mean of 3.8 (range 3 to 7) months after surgery. After an average follow-up period of 32.7 (range 24 to 44) months, no displacement, loosening, or breakage of internal fixation was observed. However, mild posttraumatic arthritis was present in 3 patients. According to the Baird-Jackson scoring system, the outcomes were rated as excellent in 11 cases, good in 17, fair in 5, and poor in only 1 case, for an excellent and good rate of 82.3%. An association analysis indicated age and injury mechanism might be factors influencing the intraoperative and postoperative outcomes. A posterolateral approach with buttress plate and cannulated screw internal fixation could be an effective technique for reduction and fixation of large posterior malleolus fragments. [ABSTRACT FROM AUTHOR]
- Published
- 2017
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45. Low doses of decitabine improve the chemotherapy efficacy against basal-like bladder cancer by targeting cancer stem cells
- Author
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Wu, Mingqing, Sheng, Lu, Cheng, Maosheng, Zhang, Haojie, Jiang, Yizhou, Lin, Shuibin, Liang, Yu, Zhu, Fengyu, Liu, Zhenqing, Zhang, Yingyin, Zhang, Xiuhong, Gao, Qian, Chen, Demeng, Li, Jiong, and Li, Yang
- Abstract
Low dose treatment with the DNA methylation inhibitor decitabine has been shown to be applicable for the management of certain types of cancer. However, its antitumor effect and mechanisms are context dependent and its activity has never been systematically studied in bladder cancer treatment. We used mouse models, cultured cell lines and patient-derived xenografts to demonstrate that low dose decitabine treatment remarkably enhanced the effects of cisplatin and gemcitabine on basal-like bladder cancer both in vivo and in vitro. Genetic lineage tracing revealed that the stemness of a bladder cancer stem cell population was inhibited by decitabine treatment in mice. These effects were accompanied by decreases in genome-wide DNA methylation, gene re-expression, and changes in key cellular regulatory pathways such as STAT3 signaling. These results indicate that this DNA-demethylating reagent is a promising therapeutic approach for basal-like bladder cancer treatment.
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- 2019
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46. The m6A methyltransferase METTL3 promotes bladder cancer progression via AFF4/NF-κB/MYC signaling network
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Cheng, Maosheng, Sheng, Lu, Gao, Qian, Xiong, Qiuchan, Zhang, Haojie, Wu, Mingqing, Liang, Yu, Zhu, Fengyu, Zhang, Yingyin, Zhang, Xiuhong, Yuan, Quan, and Li, Yang
- Abstract
N6-methyladenosine (m6A) is the most abundant modification in eukaryotic messenger RNAs (mRNAs), and plays important roles in many bioprocesses. However, its functions in bladder cancer (BCa) remain elusive. Here, we discovered that methyltransferase-like 3 (METTL3), a major RNA N6-adenosine methyltransferase, was significantly up-regulated in human BCa. Knockdown of METTL3drastically reduced BCa cell proliferation, invasion, and survival in vitro and tumorigenicity in vivo. On the other hand, overexpression of METTL3 significantly promoted BCa cell growth and invasion. Through transcriptome sequencing, m6A sequencing and m6A methylated RNA immuno-precipitation quantitative reverse-transcription polymerase chain reaction, we revealed the profile of METTL3-mediated m6A modification in BCa cells for the first time. AF4/FMR2 family member 4 (AFF4), two key regulators of NF-κB pathway (IKBKBand RELA) and MYCwere further identified as direct targets of METTL3-mediated m6A modification. In addition, we showed that besides NF-κB, AFF4 binds to the promoter of MYCand promotes its expression, implying a novel multilevel regulatory network downstream of METTL3. Our results uncovered an AFF4/NF-κB/MYC signaling network operated by METTL3-mediated m6A modification and provided insight into the mechanisms of BCa progression.
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- 2019
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47. A novel S-type CsxWO3/BiOI heterojunction photocatalyst constructed in graphene aerogel with high degradation efficiency for enrofloxacin: Degradation mechanism and DFT calculation.
- Author
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Li, Tianci, Liu, Jingxiao, Shi, Fei, Zhang, Haoyuan, Zhang, Haojie, Ma, Chuangchuang, and Wasim, Muhammad
- Subjects
HETEROJUNCTIONS ,AEROGELS ,FLUOROQUINOLONES ,PHOTOTHERMAL effect ,SEMICONDUCTOR design ,GRAPHENE - Abstract
The construction of semiconductor heterojunction photocatalyst is an effective way to improve the photocatalytic performance. In this study, a novel S-type heterojunction Cs x WO 3 /BiOI photocatalyst, with both photothermal effect and good photocatalytic activity, was constructed in graphene aerogel. The as-prepared composite aerogel showed high adsorption/photocatalytic activity and cycling stability for removal of enrofloxacin. Especially, the aerogel sample 1.0CIGA with Cs x WO 3 :BiOI molar ratio 1.0 showed a high removal efficiency of enrofloxacin with attaining to nearly 100% within 60 min. Moreover, the photothermal conversion effect of Cs x WO 3 can further promote the photocatalytic degradation reaction efficiency. The degradation intermediate products and possible degradation pathways of enrofloxacin were analyzed and explored. In addition, the energy band structure and charge transfer mechanism of Cs x WO 3 /BiOI heterojunction were studied by density functional theory (DFT) and other test methods. This work is of great significance for developing efficient photocatalytic materials and the as-prepared Cs x WO 3 /BiOI@graphene composite aerogel with high adsorption/photothermal catalysis will have promising applications in the field of environmental purification. [Display omitted] • A novel s-type Cs x WO 3 /BiOI heterojunction was constructed in graphene aerogel. • The composite aerogels showed excellent removal efficiency for enrofloxacin. • The degradation pathway of enrofloxacin by Cs x WO 3 /BiOI@graphene aerogel was analyzed. [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
- View/download PDF
48. The "Hand as Foot" teaching method in the duodenum anatomy.
- Author
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Hou, Changran, Zhang, Haojie, Wang, Xiaohong, and Yang, Zhenlin
- Published
- 2022
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- View/download PDF
49. Preparation and application of high-temperature composite phase change materials
- Author
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Zhang, Haojie, Zhang, Xiaoguang, Pan, Dean, Ai, Yonghong, and Chen, Yousheng
- Abstract
High-temperature phase change materials (PCMs) have broad application prospects in areas such as power peak shaving, waste heat recycling, and solar thermal power generation. They address the need for clean energy and improved energy efficiency, which complies with the global “carbon peak” and “carbon neutral” strategy requirements. This study provides an overview of the definition, standards, packaging process, and current state of high-temperature composite PCMs based on their significant energy application potential, economic value, and environmental value process. Finally, the future development of high-temperature composite PCMs is summarized and prospected.
- Published
- 2023
- Full Text
- View/download PDF
50. Optical-resonance-enhanced nonlinearities in a MoS_2-coated single-mode fiber
- Author
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Zhang, Haojie, Healy, Noel, Runge, Antoine F. J., Huang, Chung Che, Hewak, Daniel W., and Peacock, Anna C.
- Abstract
Few-layer molybdenum disulfide (MoS_2) has an electronic band structure that is dependent on the number of layers and, therefore, is a very promising material for an array of optoelectronic, photonic, and lasing applications. In this Letter, we make use of a side-polished optical fiber platform to gain access to the nonlinear optical properties of the MoS_2 material. We show that the nonlinear response can be significantly enhanced via resonant coupling to the thin film material, allowing for the observation of optical modulation and spectral broadening in the telecom band. This route to access the nonlinear properties of two-dimensional materials promises to yield new insights into their photonic properties.
- Published
- 2018
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