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146 results on '"Chen, Jia‐Xi"'

7. Conductive Bio‐based Hydrogel for Wearable Electrodes via Direct Ink Writing on Skin.

Author

Chen, Jia Xi Mary, Chen, Tianhao, Zhang, Yixin, Fang, Weiqing, Li, Wenxuan Evelyn, Li, Terek, Popovic, Milos R., and Naguib, Hani E.

Subjects
*SILVER chloride, *3-D printers, *GELATION, *HUMAN body, *HYDROGELS, *ELECTRIC stimulation
Abstract

Non‐invasive electrodes for recording and delivering electric signals to the human body are crucial for health monitoring and rehabilitation applications. However, high‐fidelity signal recording or delivery with epidermal electrodes remains a challenge due to the need for shape customization, to account for the variance of body morphology among individuals, and the need for conformal contact, to accommodate creviced skin surfaces, intricate curves, and moving bodies. In this study, a conductive and self‐adhesive hydrogel for direct ink writing of wearable electrodes on the skin is presented, utilizing physical cross‐linking mechanisms between bio‐based polymers. With a fast gelation time and a facile fabrication method, the printed hydrogel achieves a 0.40 mm resolution via handheld 3D printers. Compared with silver/silver chloride (Ag/AgCl) coated gel electrode standards, the hydrogel electrode formed in situ achieves a higher signal‐to‐noise ratio by 88%, for the monitoring of forearm muscle biopotential and decreases the required current from 3.5 to 2.25 mA, for the functional electrical stimulation for eye closure. The lowered contact impedance of the hydrogel electrode is attributed to its sol–gel transition in situ on the skin, demonstrating its potential to enable future healthcare applications with improved personalization, efficiency, and comfort. [ABSTRACT FROM AUTHOR]

Published
2024
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20. Pyridoxal phosphate, pyridoxamine phosphate, and folic acid based on ceRNA regulatory network as potential biomarkers for the diagnosis of pulmonary tuberculosis

Author

Li, Zhi-Bin, primary, Shi, Li-Ying, additional, Han, Yu-Shuai, additional, Chen, Jing, additional, Zhang, Shan-Qiang, additional, Chen, Jia-Xi, additional, Liu, Jun, additional, Tu, Hui-Hui, additional, Lu, Qi-Qi, additional, Yu, Yi, additional, Jiang, Ting-Ting, additional, and Li, Ji-Cheng, additional

Published
2022
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21. Screening and identification of potential novel lipid biomarkers for non‐small cell lung cancer using ultra‐high performance liquid chromatography tandem mass spectrometry

Author

Han, Yu‐Shuai, primary, Shi, Li‐Ying, additional, Chen, Jia‐Xi, additional, Chen, Jing, additional, Li, Zhi‐Bin, additional, Lu, Qi‐Qi, additional, Zhang, Shan‐Qiang, additional, Liu, Jun, additional, Yi, Wen‐Jing, additional, Jiang, Ting‐Ting, additional, Li, Ji‐Cheng, additional, and Huang, Jian, additional

Published
2021
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34. Cover Image

Author

Zhu, Wen‐qing, primary, Ming, Pan‐pan, additional, Qiu, Jing, additional, Shao, Shui‐yi, additional, Yu, Ying‐juan, additional, Chen, Jia‐xi, additional, Yang, Jie, additional, Xu, Li‐na, additional, Zhang, Song‐mei, additional, and Tang, Chun‐bo, additional

Published
2018
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43. Association of Angiotensin I-Converting Enzyme Gene Insertion/Deletion Polymorphism and IgA Nephropathy: A Meta-Analysis

Author

Liang Hua, Jia Jing Kan, Shen Han Chao, Du Yong, Wu Qing Qing, Chen Jia Xi, and Qin Qiao Jin

Subjects
Adult, Immunoglobulin A, medicine.medical_specialty, Peptidyl-Dipeptidase A, urologic and male genital diseases, White People, Nephropathy, Asian People, Statistical significance, Internal medicine, Immunopathology, Genotype, medicine, Humans, Genetic Predisposition to Disease, Allele, Polymorphism, Genetic, biology, business.industry, Glomerulonephritis, IGA, Odds ratio, Prognosis, medicine.disease, Mutagenesis, Insertional, Endocrinology, Nephrology, DNA Transposable Elements, biology.protein, business, Gene Deletion, Kidney disease
Abstract

Background/Aims: The angiotensin I-converting enzyme (ACE) gene insertion/deletion (I/D) polymorphism has been extensively examined for the association with immunoglobulin A (IgA) nephropathy (IgAN), however, conflicting results have occurred. We performed a meta-analysis to evaluate the association of ACE I/D polymorphism with IgAN in different ethnic groups. Methods: 11 studies testing the association between ACE I/D polymorphism and IgAN susceptibility, and 9 studies testing the association of ACE I/D with IgAN progression were used in this analysis. The overall odds ratio (OR) was estimated by a fixed or random effect model. Results: The overall OR for the risk of susceptibility and progression of IgAN in Asians for the DD genotype is 2.37 (95% CI 1.04–5.41) and 1.75 (95% CI 1.24–2.56). The overall OR for the D allele in Asians also showed a similar magnitude, though without statistical significance (p = 0.09, p = 0.13, respectively). In Caucasians, both the DD genotype and D allele were associated with IgAN progression (OR 1.90, 1.61, respectively), but not IgAN susceptibility (p = 0.30, p = 0.41, respectively). Conclusion: Our findings support the notion that ACE I/D polymorphism is associated with IgAN. Meanwhile, the role of ACE I/D polymorphism in Asians is different from that of Caucasians.

Published
2006

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