278 results on '"Javaid, S."'
Search Results
2. Acetylcholinesterase inhibitory potential of scorpion venom in Aedes aegypti (Diptera: Culicidae)
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Riaz, N., primary, Zubair, F., additional, Amjad, N., additional, Ashraf, S., additional, Asghar, S., additional, Awan, M. Z., additional, and Javaid, S., additional
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- 2024
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3. Direct observation of a highly spin-polarized organic spinterface at room temperature
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Djeghloul, F., Ibrahim, F., Cantoni, M., Bowen, M., Joly, L., Boukari, S., Ohresser, P., Bertran, F., Lefèvre, P., Thakur, P., Scheurer, F., Miyamachi, T., Mattana, R., Seneor, P., Jaafar, A., Rinaldi, C., Javaid, S., Arabski, J., Kappler, J. -P., Wulfhekel, W., Brookes, N. B., Bertacco, R., Taleb-Ibrahimi, A., Alouani, M., Beaurepaire, E., and Weber, W.
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Condensed Matter - Materials Science - Abstract
The design of large-scale electronic circuits that are entirely spintronics-driven requires a current source that is highly spin-polarised at and beyond room temperature, cheap to build, efficient at the nanoscale and straightforward to integrate with semiconductors. Yet despite research within several subfields spanning nearly two decades, this key building block is still lacking. We experimentally and theoretically show how the interface between Co and phthalocyanine molecules constitutes a promising candidate. Spin-polarised direct and inverse photoemission experiments reveal a high degree of spin polarisation at room temperature at this interface. We measured a magnetic moment on the molecules's nitrogen pi orbitals, which substantiates an ab-initio theoretical description of highly spin-polarised charge conduction across the interface due to differing spinterface formation mechanims in each spin channel. We propose, through this example, a recipe to engineer simple organic-inorganic interfaces with remarkable spintronic properties that can endure well above room temperature.
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- 2012
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4. EVALUATION OF IVERMECTIN AND VITAMIN E BASED COMBINATION WITH ANTISEIZURE RUFINAMIDE DRUG FOR MITIGATION OF PENTYLENETETRAZOLE-INDUCED KINDLING, BEHAVIORAL CHALLENGES AND HISTOPATHOLOGICAL ABERRATIONS.
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SABIR, A., TEHREEM, S., FAROOQ, M., ASHRAF, W., JAVAID, S., AHMAD, T., ALSANEA, S., ALQAHTANI, F., and IMRAN, I.
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VITAMIN E ,KINDLING (Neurology) ,IVERMECTIN ,MAZE tests ,AVERSIVE stimuli ,TEST anxiety ,SEASONAL affective disorder - Abstract
Pentylenetetrazole- (PTZ)-induced kindling is a broadly used experimental model to evaluate the impact of antiseizure drugs and their novel combination on seizure progression. The current study aimed to evaluate the anti-kindling effects of ivermectin (IVM) and rufinamide (RUFI) alone and their combination with vitamin E. The mice were administered 11 injections of PTZ (40 mg/kg) followed by assessment for anxiety-like behavior and cognitive abilities in a series of behavior tests with subsequent brain isolation for biochemical and histopathological evaluation. The outcomes showed a marked protection by IVM + RUFI (P<0.001) from kindling progression, anxiety-like behavior and cognitive deficit. However, additional supplementation with vitamin E worked superior to duo therapy as these mice were noted to be most fearless to visiting open, illuminated and elevated zones of open field, light/dark and elevated-plus maze (P<0.0001). Further, they showed marked remembrance of the familiar milieu in y-maze (P<0.01) and novel objection recognition (P<0.05) tests. Additionally, their recollection of aversive stimuli in passive avoidance and spatial memory in Morris water maze were evident (P<0.0001), in comparison to kindled mice. The IVM + RUFI duo therapy and its co-administration with vitamin E prevented kindling-triggered oxidative stress in brains and neuronal damage in hippocampus. We conclude that the benefits of the co-administration of vitamin E might be the results of antioxidant and anti-inflammatory effects of vitamin E which might be potentiating the antiseizure effects of RUFI and GABA-A modulating potential by ivermectin. [ABSTRACT FROM AUTHOR]
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- 2024
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5. Impact of COVID-19 on Multi-drug Resistant Tuberculosis (MDR-TB) Registrations and Outcomes in Pakistan: The Challenging Journey Continues
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Imran, M.D., primary, Iqbal, Z., additional, Uddin, A., additional, and Javaid, S., additional
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- 2023
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6. (433) Exploratory Analysis of Women’s Perception of Flibanserin’s Impact on Their Relationship with Their Partner
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Javaid, S, primary and Chelliah, J, additional
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- 2023
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7. Happy Birthday "One Flew Over the Cuckoo's Nest": A Momentous Tale in the Quest for an Effective and Ethical Approach to Psychosurgery.
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Stip, E., Javaid, S. F., Abdel Aziz, K., and Arnone, D.
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BRAIN tomography , *BEHAVIOR modification , *CUCKOOS , *CANADIANS , *DIALECTIC , *DUAL diagnosis - Abstract
The anniversary of the publication of 'One Flew Over the Cuckoo's Nest' by Ken Kesey offers an opportunity for reflection on the use of neurosurgery in psychiatry. We used a narrative, historical and dialectical method to deliver an account of the controversial subject. A balanced representation of the negative and positive aspects, acknowledging some of the questionable ethical practices while describing well-reasoned applications is provided. It includes neurosurgeons, psychiatrists who have embraced these procedures with unwarranted enthusiasm and those who have opposed. Neurosurgical techniques for the treatment of severe mental disorders have evolved from rudimentary procedures which were used to 'correct' unwanted behaviours associated with a wide range of severe mental disorders to more refined and selective approaches used as a last resort to treat specific mental health conditions. In the absence of specific aetiological models to guide ablative surgical targets, non-ablative, stimulatory techniques have more recently been developed to allow reversibility when surgical treatment fails to obtain a sizeable improvement in quality of life. The subject is concretely illustrated by two eloquent clinical images: one on a series of brain computed tomography scans carried out on a Canadian population of subjects, who underwent leukotomy decades ago, and the other more contemporary on an implantation surgery to epidural stimulation. Alongside technical advances in psychosurgery, a regulatory framework has gradually developed to ensure vigilance in the appropriateness of patients' selection. Nevertheless, harmonisation of protocols around the world is necessary to ensure consistency in obtaining and maintaining the highest possible ethical standards for the benefit of patients. If the neurosciences promise today, in their new, better framed, and reversible applications, to provide answers to unmet therapeutic needs, we still must remain attentive to drifts linked the introduction of intrusive technologies for purposes of domination or behaviour modification that would impede our individual freedom. [ABSTRACT FROM AUTHOR]
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- 2023
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8. The Role of Machine Learning Techniques and Internet of Things Devices in COVID-19 Detection: A Mapping Study.
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Rasool, T., Javaid, S., Noor, U., Imtiaz, S., and Rashid, Z.
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MACHINE learning ,INTERNET of things ,COVID-19 ,MEDICAL personnel ,COVID-19 pandemic - Abstract
The COVID-19 outbreak has affected numerous facets of human life. It is still an ongoing epidemic with multiple variants emerged since its first outbreak. To detect COVID-19 machine learning and the Internet of Things are the most widely proposed methods in the literature showing favorable performance. This paper presents a complete mapping and assessment of recent research efforts on COVID-19 detection using both machine learning techniques and the Internet of Things devices. The objective of this research work is to identify machine learning techniques and IoT devices that are used in combination to effectively detect COVID-19 and its variants. The synthesis of the mapping study is provided as the analysis of the IoT devices, and the effectiveness of machine learning techniques in disease detection. This study will help the researchers and health practitioners in deploying an effective method for detecting COVID-19, and its variants using machine learning techniques and IoT devices. [ABSTRACT FROM AUTHOR]
- Published
- 2023
9. ANXIOLYTIC POTENTIAL OF RESVERATROL AND RUFINAMIDE COMBINATION BY MODULATING GABA-ERGIC TRANSMISSION: INSIGHTS FROM EXPERIMENTS, MOLECULAR DOCKING AND DYNAMICS SIMULATIONS.
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PARVEEN, A., ALQAHTANI, F., JAVAID, S., ASHRAF, W., SIDDIQUE, F., RAWAT, R., RASOOL, M. F., AHMAD, T., ALASMARI, F., and IMRAN, I.
- Abstract
Resveratrol is a polyphenolic phytocompound known to possess anxiolytic-like effects but its impact on central gammaaminobutyric acid (GABA) modulation has never been explored. The purpose of this study was to analyze the anxiolytic-like effects of resveratrol alone and in combination with rufinamide, an antiepileptic drug which has never been studied for its anxiolytic potential. The BALB/c mice were tested in a battery of behavior testing after administration of resveratrol (50 mg/kg) and rufinamide (50 mg/kg) alone and in combination. Moreover, molecular docking studies were also carried out to understand the interaction of resveratrol and rufinamide with GABA aminotransferase, GABA receptor and GABA-A transporter type 1. Resveratrol alone exerted notable anxiolytic-like effects and improved outcomes in few experiments but rufinamide alone did not yield any beneficial outcomes. However, the animal co-administered with resveratrol and rufinamide behaved exceptionally well (p<0.05) and preferred open, illuminated and exposed areas of open field, light/dark and elevated plus maze. Further, these animals showed reduced anxiety towards anxiogenic stimuli i.e. holes and marbles in hole board and marble bury tests, respectively. Resveratrol and rufinamide showed moderate to strong binding affinities with GABA proteins, indicating the potential to treat anxiety-like neurological disorders. Moreover, resveratrol and rufinamide were analyzed using molecular docking to determine their interaction with GABA receptors, transporters, and transaminase. The results suggest that their anxiolytic-like effects may be due to inhibiting GABA reuptake transporter 1 protein, leading to increased synaptic levels of GABA neurotransmitter, as seen in stable molecular dynamics results with the 7SK2 GABA transporter protein. [ABSTRACT FROM AUTHOR]
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- 2023
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10. The association between body fat percentage and self-reported depression in the United Arab Emirates
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Al Balushi, M, primary, Ahmad, A, additional, Javaid, S, additional, Ahmed, L, additional, Al Maskari, F, additional, Abdulle, A, additional, and Ali, R, additional
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- 2022
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11. Development and characterization of a new riveting process for pre-drilled holes hard-to-access aircraft riveted joints
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Khan, H. A., Zafar, N., Hameed, A., Akram, F., Asim, K., Javaid, S., Khan, Abdullah, Khan, H. A., Zafar, N., Hameed, A., Akram, F., Asim, K., Javaid, S., and Khan, Abdullah
- Abstract
This research focused on developing a novel Friction Stir Riveting (FSR) technique, viz., Friction Stir Blind Riveting for pre-drilled holes (FSBR-pH), to improve the mechanical performance of hard-to-access aircraft joints. This objective is realized through a hierarchal four-pronged experimental and numerical analysis approach. Firstly, the existing FSBR process was evaluated where the existing process was found infeasible for pre-drilled holes. The existing process was then modified to develop good quality joints in case of pre-drilled holes. In the second step, a process window was created for FSBR-pH joints through (a) microscopic analysis of joint cross section to observe the presence of any defects/gaps and (b) numerical simulation. Microstructural and mechanical characterization (i.e., tensile strength and microhardness) of the optimized joints were performed in the third step where the presence of dynamic recrystallization was found responsible for the formation of submicron-sized grain in the stir region. The strain-hardening phenomenon was observed in the stir region which occurred due to extensive stirring at high spindle speeds. Finally, a comparison of the developed joints was drawn with existing Blind Riveted (BR) joints in terms of failure modes and tensile strength where the FSBR-pH joints performed better than their existing counterparts., QC 20230116
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- 2022
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12. Synthetic Theft Attacks and Long Short Term Memory-Based Preprocessing for Electricity Theft Detection Using Gated Recurrent Unit
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Pamir, Javaid, N, Javaid, S, Asif, M, Javed, MU, Yahaya, AS, Aslam, S, Pamir, Javaid, N, Javaid, S, Asif, M, Javed, MU, Yahaya, AS, and Aslam, S
- Abstract
Electricity theft is one of the challenging problems in smart grids. The power utilities around the globe face huge economic loss due to ET. The traditional electricity theft detection (ETD) models confront several challenges, such as highly imbalance distribution of electricity consumption data, curse of dimensionality and inevitable effects of non-malicious factors. To cope with the aforementioned concerns, this paper presents a novel ETD strategy for smart grids based on theft attacks, long short-term memory (LSTM) and gated recurrent unit (GRU) called TLGRU. It includes three subunits: (1) synthetic theft attacks based data balancing, (2) LSTM based feature extraction, and (3) GRU based theft classification. GRU is used for drift identification. It stores and extracts the long-term dependency in the power consumption data. It is beneficial for drift identification. In this way, a minimum false positive rate (FPR) is obtained. Moreover, dropout regularization and Adam optimizer are added in GRU for tackling overfitting and trapping model in the local minima, respectively. The proposed TLGRU model uses the realistic EC profiles of the Chinese power utility state grid corporation of China for analysis and to solve the ETD problem. From the simulation results, it is exhibited that 1% FPR, 97.96% precision, 91.56% accuracy, and 91.68% area under curve for ETD are obtained by the proposed model. The proposed model outperforms the existing models in terms of ETD.
- Published
- 2022
13. Multi-objective stochastic linear programming problem when b i ’s follow Weibull distribution
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Javaid, S., Ansari, S. I., and Anwar, Zaki
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- 2013
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14. Spontaneous Formation of a Hybrid Heterotrimer of Fe3O4-Ag2S-ZnS by Seeded-Growth Method
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Javaid, S., Chen, W., Jia, Guohua, Jones, Franca, Javaid, S., Chen, W., Jia, Guohua, and Jones, Franca
- Abstract
Three-component containing hybrid heterostructures with multiple functionalities are highly desirable but difficult to synthesize. Herein, we have demonstrated the utilization of a simple seeded-growth approach for the synthesis of a hybrid heterotrimer of iron oxide–silver sulfide–zinc sulfide (Fe3O4-Ag2S-ZnS). At first, Fe3O4-Ag was synthesized by using silver nanoparticles (Ag NPs) as a seed followed by its in situ sulfurization to produce a dimer of Fe3O4-Ag2S. This dimer was successively used as a seed under controlled experimental conditions for the synthesis of Fe3O4-Ag2S-ZnS. The availability of such trimers through this approach can shed some light on the integration of entirely different functionalities in one-particle systems.
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- 2020
15. Hydrogels: A Novel Drug Delivery System
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Khan, AQ, primary, Rana, T, additional, Naeem, Z, additional, Javaid, S, additional, Sajid, N, additional, Habib, A, additional, Fatima, M, additional, and Khan, MI, additional
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- 2020
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16. A Single-Step Synthesis of Electroactive Mesoporous ProDOT-Silica Structures
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Jeonghun Kim, Ajayan Vinu, Eunkyoung Kim, Javaid S. M. Zaidi, Chokkalingam Anand, Ajayan Mano, Jungmok You, Byeonggwan Kim, Katsuhiko Ariga, Kim, Jeonghun, Kim, Byeonggwan, Anand, Chokkalingam, Mano, Ajayan, Zaidi, Javaid S. M., Ariga, Katsuhiko, You, Jungmok, Vinu, Ajayan, and Kim, Eunkyoung
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chemistry.chemical_classification ,Materials science ,Nanocomposite ,Nanotechnology ,self-assembly ,General Medicine ,General Chemistry ,Polymer ,mesoporous materials ,Mesoporous silica ,conducting materials ,surface analysis ,Catalysis ,law.invention ,Mesoporous organosilica ,Polymerization ,chemistry ,law ,Calcination ,Mesoporous material ,Hybrid material ,polymers - Abstract
The single-step preparation of highly ordered mesoporous silica hybrid nanocomposites with conjugated polymers was explored using a novel cationic 3,4-propylenedioxythiophene (ProDOT) surfactant (PrS). The method does not require high-temperature calcination or a washing procedure. The combination of self-assembly of the silica surfactant and in situ polymerization of the ProDOT tail is responsible for creation of the mesoporosity with ultralarge pores, large pore volume, and electroactivity. As this novel material exhibits excellent textural parameters together with electrical conductivity, we believe that this could find potential applications in various fields. This novel concept of creating mesoporosity without a calcination process is a significant breakthrough in the field of mesoporous materials and the method can be further generalized as a rational preparation of various mesoporous hybrid materials having different structures and pore diameters. Refereed/Peer-reviewed
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- 2015
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17. Spontaneous Formation of Heterodimer Au–Fe7S8 Nanoplatelets by a Seeded Growth Approach
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Javaid, S., Li, Y., Chen, D., Xu, X., Pang, Y., Chen, W., Wang, F., Shao, Zongping, Saunders, M., Veder, Jean-Pierre, Jia, Guohua, Jones, Franca, Javaid, S., Li, Y., Chen, D., Xu, X., Pang, Y., Chen, W., Wang, F., Shao, Zongping, Saunders, M., Veder, Jean-Pierre, Jia, Guohua, and Jones, Franca
- Abstract
Hybrid nanomaterials offer increased flexibility to achieve heterostructures with controlled functionalities and predictable linkages owing to their synergistic interactions. Here, we have developed a synthetic strategy that produced hexagonal-shaped nanoplatelets (NPLs) of gold-pyrrhotite (Au-Fe7S8) with Au embedded inside them by means of a seeded growth method. Using thiol-capped Au nanoparticles (NPs) as a seed, heterogeneous nucleation of the iron precursor was facilitated, leading to the formation of Au-Fe7S8 NPLs. The injection temperature and surface ligand of the seed (Au) were two critical factors that determined the homogeneity and final morphology of the Au-Fe7S8 NPLs. This strategy was further expanded using Ag NPs as the seed to construct heterodimers, producing Ag2S-Fe7S8 heterostructures.
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- 2019
18. Synthesis of magnetically separable Fe3O4–Au–CdS kinked heterotrimers incorporating plasmonic and semiconducting functionalities
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Javaid, S., Li, X., Wang, F., Chen, W., Pang, Ying Ping, Wang, Shaobin, Jia, Guohua, Jones, Franca, Javaid, S., Li, X., Wang, F., Chen, W., Pang, Ying Ping, Wang, Shaobin, Jia, Guohua, and Jones, Franca
- Abstract
This journal is © The Royal Society of Chemistry. Dimension, composition and configuration are the primary aspects of semiconductor based hybrid heterostructures that govern their properties. To achieve desired functionalities within a single nanoparticle system, numerous synthetic approaches are available which may be suitable for achieving the target combination but these can be complex and tedious. In this work, a simple seeded-growth approach was employed to obtain an iron oxide-gold-cadmium sulfide (Fe3O4-Au-CdS) heterotrimer with a unique morphology manifesting magnetic, plasmonic and semiconducting properties. In a straightforward two-step synthesis process, Au-Fe3O4 dimer was injected as a seed into the Cd precursor solution for the growth of one-dimensional (1D) kinked CdS-5 nanorods on it. The synthesized Fe3O4-Au-CdS heterotrimer was tested in photocatalytic water-reduction reaction, revealing its potential as a photocatalyst for the hydrogen evolution reaction (HER), where each domain within the heterotrimer played a distinct role including light absorption, charge separation and magnetic separation. A post-synthetic modification on the semiconductor part was also performed where kinked CdS nanorod was cation exchanged with Ag2S leading to the formation of another heterotrimer of Fe3O4-Au-Ag2S while retaining the same morphology and expanding the palette of heterotrimers.
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- 2019
19. Large lateral sized two-dimensional Cu2-xS nanoplates formed by Ostwald ripening
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Wang, A., Hu, X., Wang, F., Chen, W., Pang, Y., Javaid, S., Chen, D., Li, X., Staaden, L., Jia, Guohua, Wang, A., Hu, X., Wang, F., Chen, W., Pang, Y., Javaid, S., Chen, D., Li, X., Staaden, L., and Jia, Guohua
- Abstract
Large lateral sized two-dimensional (2-D) colloidal nanocrystals with a uniform thickness are highly desired but difficult to prepare. Herein we demonstrated that colloidal copper (I) sulfide (Cu1.75S) nanoplates with an large lateral dimension, i.e. 200 nm to 1 µm, can be successfully produced from small Cu2-xS nanoplates via an Ostwald ripening process. The availability of the large lateral sized Cu2-xS nanoplates produced through this approach not only sheds light on the construction of 2-D nanostructures of other systems but also provides a platform for the cation exchange reaction to generate a variety of 2-D nanoplates with large lateral dimensions.
- Published
- 2019
20. NEUROPHARMACOLOGICAL INVESTIGATION, ULTRA-HIGH PERFORMANCE LIQUID CHROMATOGRAPHY ANALYSIS, AND IN SILICO STUDIES OF PHYLA NODIFLORA.
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RAHMAN, H. M. A., JAVAID, S., ASHRAF, W., RASOOL, M. F., ANJUM, S. M. M., SALEEM, H., SIDDIQUE, F., CHTITA, S., SIVANDZADE, F., ALQAHTANI, F., ALOTAIBI, M. R., and IMRAN, I.
- Abstract
The increasing burden of neurological disorders is becoming a worldwide health challenge and researchers are continuously struggling to cure them by utilizing the miraculous medicinal properties of plants. The crude methanolic extract of whole herb of Phyla nodiflora (Pn.Cr) was subjected to phytochemical, antioxidant and neuropharmacological assessment. The Pn.Cr was initially exposed to the in vitro examination for phytocomposition through ultra-high performance liquid chromatography (UHPLC). The Sprague Dawley rats were chronically administered with various doses (100, 200 and 300 mg/kg) of Pn.Cr for one month with subsequent exposure to neurobehavioral and biochemical experimentation. The Pn.Cr exhibited a dose-dependent anxiolytic effect (P < 0.05 in comparison to control) as rats preferred central, illuminated and open arm zones in open field (OFT), light/dark (L/D) and elevated plus maze (EPM) tests. Likewise, scopolamine-induced amnesia was noticeably reversed with P < 0.05 by Pn.Cr as animals showed improved spontaneous alternation, discrimination index and shorter escape latencies in Y-maze, novel object recognition (NOR) and Morris water maze (MWM) tests. Subsequently, in vivo enzymatic assays depicted the reduced acetylcholinesterase and malondialdehyde levels. The levels of oxidative stress combating enzymes (glutathione peroxidase and superoxide dismutase) were increased in a dose-dependent style. The UHPLC detected 22 phytocompounds were further investigated in silico studied to predict the interaction of blood-brain barrier (BBB) crossing phytocompounds with human acetylcholinesterase. The four BBB crossing phytocompounds belonging to flavonoids, chalcones and alkaloids showed possible interaction with the target enzyme. We found that the phytocompounds owned by Pn.Cr might be playing multiple roles in modulation of different pathways to hinder the pathophysiology of neurological disorders including anxiety and Alzheimer’s disease. [ABSTRACT FROM AUTHOR]
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- 2021
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21. (134) EFFECTIVE TREATMENT OF MENOPAUSAL HOT FLASHES IMPROVES DOWNSTREAM FEMALE SEXUAL COMPLAINT.
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Krychman, M, Javaid, S, Nezolosky, M, and Suozzi, N
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HOT flashes , *GENITOURINARY diseases , *TELEPSYCHIATRY , *CONVENIENCE sampling (Statistics) , *SLEEP interruptions , *VAGINAL dryness , *FATIGUE limit , *CONTINUING medical education - Abstract
Introduction: Approximately 75% of women aged between 45 years and 55 years suffer from symptoms of menopause. Untreated hot flashes have many downstream effects including but not limited to fatigue, low energy, memory complaints, lowered libido, sexual dysfunction and may even be linked to increased cardiovascular disease. While the gold standard for effective treatment is hormonal therapy, many women (especially those with a family history of breast cancer) may decline their use due to concerns regarding efficacy and safety. Lack of sensitivity training and level of comfort to disclose menopausal symptoms is often a significant barrier to effective treatment. Dose optimization, close surveillance of efficacy of hormone utilization is essential to maintain patient compliance. Objective: Menopausal hot flashes are associated with a variety of downstream sexual complaints including lowered libido. This retrospective study was done to assess if optimal treatment of hot flashes with hormones and over the counter products would have a downstream effect on concurrent reported sexual complaints. Methods: A retrospective review of a random convenience sample was conducted to assess women who presented with complaints of hot flashes. Concurrent associated symptoms were also reported. Treatment interventions and symptom resolution was evaluated. Data was collected and stored in private HIPPA protected database. Results: A random convenience sample (n=56) from the HerMD centers (Cincinnati and Kentucky) was assessed for women (mean age 51.3; range 30-73) who presented with complaints of hot flashes. Associated symptoms included: brain fog/memory complaints (66%); sleep disturbances including insomnia (59%), decreased libido (49%), weight management concerns (38%), vaginal dryness (31%) and dyspareunia (14%). A family history of breast cancer was present in 18% of the sample. Treatment included: behavioral intervention counseling (100%), over the counter supplements n=2, (3.5%) and systemic hormonal therapy n=54 (96.5%) and over the counter recommendations (100%). All patients (100%) with a family history of breast cancer received hormonal therapy. Overall, 96% of patients responded to their intervention with self-reported improvement in hot flashes, and improvement in dyspareunia, vaginal dryness and improved libido at scheduled follow up visits. Patients had multiple office/telehealth visits to ensure dose optimization, efficacy of symptom resolution and ensure no treatment emergent adverse effects. There were n=3 (5%) reported adverse effects (minimal vaginal spotting) yet no patients discontinued treatment Conclusions: Hot flashes are associated with a variety of sexual complaints including but not limited to decreased libido (49%), vaginal dryness (31%) and dyspareunia (14%). Optimal treatment of hot flashes will have downstream efficacy with FSD complaints. At HerMD, HCP have internal continuing menopausal medical education which includes standardized clinical algorithms, bibliotherapy, article data base, 1-1 didactic education/supervision and preceptorships with national menopausal experts. Systemic hormones will help with vaginal dryness and dyspareunia. HerMD advocates close clinical surveillance with treatment efficacy and safety review which allows for interventions to be modified henceforth allow for outcome optimization and enhance compliance. Disclosure: Any of the authors act as a consultant, employee or shareholder of an industry for: Michael Krychman is a consultant for exeltis pharmaceuticals, Astellas, Uberlube and CEEK. [ABSTRACT FROM AUTHOR]
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- 2024
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22. Fabrication and textural characterization of nanoporous carbon electrodes embedded with CuO nanoparticles for supercapacitors
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Kumaresa P S Prasad, Dattatray S Dhawale, Thiripuranthagan Sivakumar, Salem S Aldeyab, Javaid S M Zaidi, Katsuhiko Ariga and Ajayan Vinu
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Materials of engineering and construction. Mechanics of materials ,TA401-492 ,Biotechnology ,TP248.13-248.65 - Abstract
We introduce a novel strategy of fabricating nanoporous carbons loaded with different amounts of CuO nanoparticles via a hard templating approach, using copper-containing mesoporous silica as the template and sucrose as the carbon source. The nature and dispersion of the CuO nanoparticles on the surface of the nanoporous carbons were investigated by x-ray diffraction (XRD), high-resolution scanning electron microscopy (HRSEM) and high-resolution transmission electron microscopy (HRTEM). XRD results reveal that nanoporous carbons with embedded CuO nanoparticles exhibit a well-ordered mesoporous structure, whereas the nitrogen adsorption measurements indicate the presence of excellent textural characteristics such as high surface area, large pore volume and uniform pore size distribution. The amount of CuO nanoparticles in the nanochannels of the nanoporous carbon could be controlled by simply varying the Si/Cu molar ratio of the mesoporous silica template. Morphological characterization by SEM and TEM reveals that high-quality CuO nanoparticles are distributed homogeneously within the nanoporous carbon framework. The supercapacitance behavior of the CuO-loaded nanoporous carbons was investigated. The material with a small amount of CuO in the mesochannels and high surface area affords a maximum specific capacitance of 300 F g-1 at a 20 mV s-1 scan rate in an aqueous electrolyte solution. A supercapacitor containing the CuO-loaded nanoporous carbon is highly stable and exhibits a long cycle life with 91% specific capacitance retained after 1000 cycles.
- Published
- 2011
23. Endoscopic laser pancreatic cystogastrostomy: An alternative for internal drainage of pancreatic pseudocysts
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Irvine, C. D., Javaid, S., and Kapadia, C. R.
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- 1994
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24. SPEEK/cSMM membrane for simultaneous electricity generation and wastewater treatment in microbial fuel cell
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Ezzatollah Shamsaei, Mostafa Ghasemi, Wan Ramli Wan Daud, Juhana Jaafar, Hamid Ilbeygi, Javaid S. M. Zaidi, Darren J. Martin, Daryoush Emadzadeh, Ahmad Fauzi Ismail, Alireza Mayahi, and Masoud Rahbari-Sisakht
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Microbial fuel cell ,Materials science ,Renewable Energy, Sustainability and the Environment ,General Chemical Engineering ,Organic Chemistry ,Chemical oxygen demand ,Electrolyte ,Pollution ,Inorganic Chemistry ,chemistry.chemical_compound ,Fuel Technology ,Membrane ,chemistry ,Chemical engineering ,Wastewater ,Nafion ,Organic chemistry ,Chemical stability ,Waste Management and Disposal ,Faraday efficiency ,Biotechnology - Abstract
Sulfonated poly (ether ether ketone) (SPEEK) membranes and their modifications are viewed as arguably the most promising in microbial fuel cell (MFC) applications due to their non-fluorinated base, superior chemical stability, and lower costs compared with Nafion membranes. In this work, SPEEK membranes with different degrees of sulfonation (DSs) (60% to 76%) and blended with charged surface modifying macromolecule (cSMM) were used as electrolytes in an MFC for simultaneous electricity generation and wastewater treatment. RESULTS: Performance evaluation of newly fabricated membranes was carried out and was compared with that of Nafion 117. The MFC with SPEEK76/cSMM generated about 16.5% higher maximum power density (172.1 mW m-2) than that with Nafion 117 (143.7 mW m-2). In addition, the SPEEK76/cSMM exhibited the highest coulombic efficiency (CE) of 17.6%, which was 21.6% higher than that of Nafion 117 (13.8%). Chemical oxygen demand (COD) removal of all characterized membranes was above 80% in our particular MFC. CONCLUSION: MFC is a suitable method for simultaneous wastewater treatment and electricity generation. SPEEK76/cSMM is a promising membrane to be applied in MFC. © 2014 Society of Chemical Industry.
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- 2015
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25. Morphological control of mesoporous CN based hybrid materials and their excellent CO2adsorption capacity
- Author
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Jin-Ho Choy, Javaid S. M. Zaidi, Ajayan Vinu, Kripal S. Lakhi, Arun V. Baskar, Salem S. Al-Deyab, Mohamed H. El-Newehy, Lakhi, Kripal, Baskar, Arun, Zaidi, Javaid, Al-Deyab, Salem, El-Newehy, M, Choy, Jin-Ho, and Vinu, Ajayan
- Subjects
MCN-1-Ts ,Materials science ,Scanning electron microscope ,General Chemical Engineering ,Nanotechnology ,General Chemistry ,MCN nanostructures ,mesoporous CN ,FT-IR ,chemistry.chemical_compound ,Adsorption ,chemistry ,X-ray photoelectron spectroscopy ,Chemical engineering ,polymerization ,medicine ,CO2 adsorption ,High-resolution transmission electron microscopy ,Hybrid material ,Mesoporous material ,Carbon nitride ,Activated carbon ,medicine.drug - Abstract
Highly ordered mesoporous carbon nitrides (MCN-1-Ts) with uniform rod shaped morphology have been synthesized by a hard templating technique using SBA-15 silicas prepared a under hydrothermal “static”condition at different temperatures as templates following a simple polymerization reaction between carbon tetrachloride (CTC) and ethylenediamine (EDA) inside the large pores of SBA-15. The static hydrothermal condition offers uniform rod shaped morphology for the template materials which has been completely replicated into the MCN nanostructures. The obtained materials were characterized with low angle XRD, N2 adsorption, high resolution transmission electron microscopy, high resolution scanning electron microscopy (FE SEM), Fourier transform infra-red (FT-IR), and X-ray photoelectron spectroscopy (XPS). The characterization results confirm the successful replication of the ordered structure, morphology and mesoporosity of the template material into carbon nitride. The FT-IR and XPS techniques confirm the presence of free –NH and –NH2 groups on the surface of MCN, which are critical for capturing CO2. Finally, these materials with high surface area and uniform morphology are used as adsorbents for high pressure CO2 adsorption at different temperatures of 0, 10 and 25 C. It is found that the morphology of the materials which has a direct relation with the textural parameters plays a significant role in enhancing the amount of CO2 adsorption. The MCN with the uniform morphology and the highest surface area registers the highest CO2 adsorption capacity (16.5 mmol g1) at 0 C and 30 bar pressure, which is found to be higher than that of the previously reported 3D- cage type MCN, activated carbon, multiwalled carbon nanotubes and mesoporous silicas. Refereed/Peer-reviewed
- Published
- 2015
- Full Text
- View/download PDF
26. Synthesis and Morphological Control of Europium Doped Cadmium Sulphide Nanocrystals
- Author
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Ajayan Vinu, Javaid S. M. Zaidi, L. Saravanan, Katsuhiko Ariga, Ramasamy Jayavel, Salem S. Al-Deyab, Saravanan, L., Jayavel, R., Aldeyab, Salem S, Zaidi, Javaid S. M., Ariga, Katsuhiko, and Vinu, Ajayan
- Subjects
HRTEM ,Materials science ,Doping ,Biomedical Engineering ,Analytical chemistry ,Nanoparticle ,chemistry.chemical_element ,ICP ,Bioengineering ,Nanotechnology ,General Chemistry ,Zinc ,Condensed Matter Physics ,Crystallinity ,Eu Doped CdS ,chemistry ,nanostructures ,photoluminescence ,General Materials Science ,Crystallite ,High-resolution transmission electron microscopy ,Europium ,Wurtzite crystal structure - Abstract
Europium doped cadmium sulphide (Cd 0.98Eu 0.2S) nanostructures were synthesised by chemical co-precipitation method using ethylene glycol (EG) and deionized water (Eu:CdS-1), and isopropyl alcohol (IPA) and deionized water (Eu:CdS-2) as mixed solvents. It has been found that the nanostructure of the europium doped CdS can be controlled by simply varying the mixed solvent system. Powder XRD pattern reveals the formation of hexagonal (wurtzite) and cubic (zinc blende) structure for Eu:CdS-1, and Eu:CdS-2, respectively. The crystallite size of the sample prepared using IPA and deionized water was measured to be 2.64 nm which is much smaller than that of the sample prepared using EG and deionized water as mixed solvent (3.65 nm). Morphology of the materials can also be changed from flower shaped crystals to paddy like structures by varying the mixed solvents. Band gap values of Eu 3+ doped CdS nanocrystals synthesized from two different solvents were estimated using UV-reflectance spectra. The size and crystallinity of the samples were confirmed by HRTEM and SAED analysis. A significant change in the PL emission of the CdS nanocrystals was observed for the europium doped CdS which is mainly due to the presence of Eu 3+ ions which also play a significant role in the energy transfer process. It was also observed that the shift in the emission and efficiency depends on size and shape of the synthesised nanoparticles. Refereed/Peer-reviewed
- Published
- 2011
- Full Text
- View/download PDF
27. Highly Dispersed and Active Iron Oxide Nanoparticles in SBA-15 with Different Pore Sizes for the Synthesis of Diphenylmethane
- Author
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Ajayan Vinu, Geoffrey Lawrence, Ahmed A. Elzatahry, Veerappan V. Balasubramanian, Chokkalingam Anand, Javaid S. M. Zaidi, Wangsoo Cha, Salem S. Al-Deyab, Anand, Chokkalingam, Lawrence, Geoffrey, Elzatahry, Ahmed A, Al-Deyab, Salem S, Balasubramanian, Veerappan V, Cha, Wang Soo, Zaidi, Javaid SM, and Vinu, Ajayan
- Subjects
iron oxide ,Materials science ,Scanning electron microscope ,Inorganic chemistry ,Iron oxide ,Nanoparticle ,Diphenylmethane ,Catalysis ,SBA-15 ,chemistry.chemical_compound ,Chemical engineering ,chemistry ,benzylation ,redox ,nanoparticles ,General Materials Science ,diphenylmethane ,High-resolution transmission electron microscopy ,Mesoporous material ,Iron oxide nanoparticles - Abstract
Highly ordered mesoporous SBA-15 catalysts with different pore diameters decorated with various amounts of highly dispersed iron oxide nanoparticles were prepared by using a simple wet-impregnation technique. The structural order of the samples before and after the encapsulation of iron oxide nanoparticles were analysed by X-ray diffraction (XRD), BET nitrogen adsorption, high resolution scanning electron microscopy (HRSEM) and high resolution transmission electron microscope (HRTEM) whereas the nature and coordination of the iron oxide nanoparticles were obtained by ultraviolet-visible diffused reflection spectroscopy (UV-Vis DRS). Characterization results revealed that the iron oxide functionalized samples possess a well-ordered structure and excellent textural properties and the nanoparticles are highly dispersed inside the mesochannels of the SBA-15 supports. The size of the nanoparticles inside the mesochannels was also controlled by tuning the pore diameter of the supports whereas the amount of the nanoparticles was tuned by adjusting the amount of iron source in the synthesis mixture. Finally, these catalysts were tested for Friedel-Crafts benzylation of benzene and other aromatics with benzyl chloride (BC) as alkylating agent under liquid phase condition. All the samples exhibited excellent catalytic performance with a clean BC conversion and the selectivity to diphenylmethane (DPM). The influence of various reaction parameters such as substrate mole ratio, reaction time, reaction temperature and electron donating substituent moieties on the catalytic performance of iron oxide nanoparticles functionalized SBA-15 samples was also investigated. The catalysts showed 100% conversion of BC even at the reaction temperature as low as 50 °C which confirms a higher activity of these catalysts than that of other metal substituted mesoporous catalysts for the benzylation of benzene. Refereed/Peer-reviewed
- Published
- 2014
- Full Text
- View/download PDF
28. Multi-Objective Function Optimization for PEM Fuel Cell System
- Author
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Javaid S. M. Zaidi, Naim M. Faqir, and B. Mukhtar
- Subjects
Direct methanol fuel cell ,Mathematical optimization ,Membrane permeability ,Stack (abstract data type) ,Computer science ,System pressure ,Systems design ,Proton exchange membrane fuel cell ,Operating variables ,Direct-ethanol fuel cell - Abstract
There are numerous design and operating variables that affect the overall performance of a PEM fuel cell system. Many optimization techniques for the PEM fuel cell system have been reported in the literature. However, most of the reported works considered either efficiency or cost as the objective function. But it is known that fuel cell efficiency and cost affect one another. Thus, it has become imperative to consider both efficiency and cost in order to achieve optimal PEM fuel cell system design. In this, paper, a multi-objective problem to optimize the efficiency and cost of a PEM fuel cell system is formulated. The operating variables considered are; stack temperature, current density, system pressure, hydrogen and air flow rates. An optimum operating condition that will produce 5.76 kW at a cost of 521.9298 US$/kW and an efficiency of 52.2 % was obtained.
- Published
- 2010
- Full Text
- View/download PDF
29. Reconciling fracture toughness parameter contradictions in thin ductile metal sheets
- Author
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Lanning, W. R., primary, Javaid, S. S., additional, and Muhlstein, C. L., additional
- Published
- 2017
- Full Text
- View/download PDF
30. Preparation and characterization of highly ordered mesoporous SiC nanoparticles with rod shaped morphology and tunable pore diameters
- Author
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D. Arivuoli, Ajayan Vinu, Sakthivel TamilSelvan, Javaid S. M. Zaidi, Katsuhiko Ariga, Toshiyuki Mori, Salem S. Al-Deyab, TamilSelvan, Sakthivel, Aldeyab, Salem S, Zaidi, Javaid S. M., Arivuoli, Dakshanamoorthy, Ariga, Katsuhiko, Mori, Toshiyuki, and Vinu, Ajayan
- Subjects
Materials science ,pore diameters ,Nanoparticle ,Nanotechnology ,General Chemistry ,Mesoporous silica ,law.invention ,characterization techniques ,Mesoporous organosilica ,Chemical engineering ,Carbothermic reaction ,law ,Specific surface area ,Materials Chemistry ,Calcination ,High-resolution transmission electron microscopy ,Mesoporous material ,mesoporous SiC - Abstract
Here we report for the first time a very simple, efficient and economical synthetic process for the preparation of mesoporous SiC nanoparticles with highly ordered mesoporous structure and monodispersed rectangular shaped rod like particles through a carbothermal reduction using uncalcined mesoporous silica as a template which was prepared from the static synthesis mode and polycarbosilane (PCS) as carbon precursor. The uncalcined silica template provides enough carbon content in the form of surfactant molecules which are sandwiched between the silica wall and the PCS precursors and enhance the reaction between the carbon and the silica sources to obtain high purity mesoporous SiC. A set of samples were prepared by adding different amounts of PCS in uncalcined mesoporous silica prepared at different temperatures. The textural parameters and the morphology of the materials were obtained by several characterization techniques such as XRD, nitrogen adsorption, HRSEM, HRTEM, FT-IR and thermo gravimetric analysis. Low and high angle XRD results revealed that the amount of PCS addition in the synthesis mixture plays a significant role in controlling the crystallinity of the mesoporous SiC. We also demonstrate for the first time that the pore diameter of the mesoporous SiC can be controlled by the simple adjustment of the synthesis temperature of the uncalcined mesoporous silica template. The pore diameter of the materials can be tuned from 3.0 to 4.4 nm. The measured specific surface area and the specific pore volume of the samples were in the range between 285.2 and 564.4 m 2 g-1, and 0.24 and 0.66 cm3 g-1 respectively. HRTEM and HRSEM results confirm that the prepared materials exhibit rectangular rod shaped morphology with well ordered mesoporous structure. Among the samples prepared, the sample prepared with a low amount of PCS showed excellent textural parameters which confirm the crucial role of the presence of surfactant molecules in the uncalcined mesoporous silica template and their participation in the reaction. These results reveal that this simple method is not only economical but also energy efficient as it skips several high temperature steps such as high temperature calcination of the mesoporous silica template and saves a huge amount of PCS. We believe that the present route is a significant breakthrough in the synthesis of mesoporous materials and can be extended for the preparation of other mesoporous non-siliceous materials such as carbon nitrides and boron carbon nitrides. Refereed/Peer-reviewed
- Published
- 2011
31. Fabrication and textural characterization of nanoporous carbon electrodes embedded with CuO nanoparticles for supercapacitors
- Author
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Ajayan Vinu, Dattatray S. Dhawale, Thiripuranthagan Sivakumar, Salem S. Al-Deyab, Katsuhiko Ariga, Javaid S. M. Zaidi, Kumaresa P.S. Prasad, Prasad, Kumaresa P S, Dhawale, Dattatray S, Sivakumar, Thiripuranthagan, Aldeyab, Salem S, Zaidi, Javaid S. M., Ariga, Katsuhiko, and Vinu, Ajayan
- Subjects
Supercapacitor ,Horizontal scan rate ,Materials science ,Focus Papers ,Nanoporous ,Scanning electron microscope ,nanoporous carbon ,Nanotechnology ,02 engineering and technology ,Mesoporous silica ,010402 general chemistry ,021001 nanoscience & nanotechnology ,01 natural sciences ,0104 chemical sciences ,CuO ,Chemical engineering ,Transmission electron microscopy ,General Materials Science ,surface properties ,supercapacitor ,0210 nano-technology ,High-resolution transmission electron microscopy ,Mesoporous material - Abstract
We introduce a novel strategy of fabricating nanoporous carbons loaded with different amounts of CuO nanoparticles via a hard templating approach, using copper-containing mesoporous silica as the template and sucrose as the carbon source. The nature and dispersion of the CuO nanoparticles on the surface of the nanoporous carbons were investigated by x-ray diffraction (XRD), high-resolution scanning electron microscopy (HRSEM) and high-resolution transmission electron microscopy (HRTEM). XRD results reveal that nanoporous carbons with embedded CuO nanoparticles exhibit a well-ordered mesoporous structure, whereas the nitrogen adsorption measurements indicate the presence of excellent textural characteristics such as high surface area, large pore volume and uniform pore size distribution. The amount of CuO nanoparticles in the nanochannels of the nanoporous carbon could be controlled by simply varying the Si/Cu molar ratio of the mesoporous silica template. Morphological characterization by SEM and TEM reveals that high-quality CuO nanoparticles are distributed homogeneously within the nanoporous carbon framework. The supercapacitance behavior of the CuO-loaded nanoporous carbons was investigated. The material with a small amount of CuO in the mesochannels and high surface area affords a maximum specific capacitance of 300 F g-1 at a 20 mV s-1 scan rate in an aqueous electrolyte solution. A supercapacitor containing the CuO-loaded nanoporous carbon is highly stable and exhibits a long cycle life with 91% specific capacitance retained after 1000 cycles. Refereed/Peer-reviewed
- Published
- 2011
32. Effects of yeast (Saccharomyces cerevisiae) supplementation on intake, digestibility, rumen fermentation and milk yield in Nili-Ravi buffaloes.
- Author
-
Anjum, M. I., Javaid, S., Ansar, M. S., and Ghaffar, A.
- Subjects
- *
SACCHAROMYCES cerevisiae , *MILK yield , *CELLULOLYTIC bacteria , *LIVESTOCK productivity , *RUMEN fermentation , *ANIMAL nutrition - Abstract
Rumen Yeast® (RY; Saccharomyces cerevisiae), a live yeast strain, improves milk yield and composition and nutrients digestibility through balancing rumen ecosystem and increasing ruminal cellulolytic bacteria numbers in cattle. To examine the effects of dietary supplementation of RY in Nili-Ravi buffaloes, 16 buffaloes with 8 L average daily milk production were randomly divided into two groups, and investigated for a 60-day period. Group I (control) was offered maize silage ad libitum as sole forage plus 3 kg of concentrate/head per day (16% crude protein (CP) and 72% total digestible nutrients (TDN)), while group II was given the same diet as control supplemented with RY (14 g/head per day). Feed intake, nutrient digestibility, rumen fermentation and milk production of each animal were recorded. Average dry matter (DM) intake was not affected (P>0.05) in buffaloes with or without RY (14.7 and 14.3 kg/day, respectively). Digestibility of DM, CP, and ruminal pH were similar (P>0.05) between the groups, but the digestibility coefficients of neutral detergent fiber and acid detergent fiber were greater (P<0.05) for the animals that received RY. Milk production (9.60 vs. 9.15 L/day) and 4% fat corrected milk (FCM) (11.32 vs. 11.85 L/day) were significantly (P<0.05) greater in the buffaloes fed with RY than the control group. Milk composition was similar between the experimental groups, however, milk somatic cell count (SCC) was significantly (P<0.01) lower in RY supplemented buffaloes than the control animals. In conclusion, feeding RY had positive effects on milk production, fibre digestibility and SCC in buffaloes fed maize silage-concentrate based diet. [ABSTRACT FROM AUTHOR]
- Published
- 2018
33. Cation distribution in nanocrystalline ZnFe(2)O(4) investigated using x-ray absorption fine structure spectroscopy
- Author
-
Muhammad Atif, Javaid S, Muhammad Javed Akhtar, and Muhammad Nadeem
- Subjects
X-ray spectroscopy ,Extended X-ray absorption fine structure ,Absorption spectroscopy ,Chemistry ,Analytical chemistry ,General Materials Science ,Absorption (chemistry) ,Condensed Matter Physics ,Spectroscopy ,Nanocrystalline material ,XANES ,X-ray absorption fine structure - Abstract
X-ray absorption fine structure (XAFS) spectroscopy has been employed to investigate the cation distribution in nanocrystalline zinc ferrites (ZnFe(2)O(4)), synthesized in acidic and basic media at different temperatures. By using (Zn(1-x)Fe(x))[Ni(x)Fe(2-x)]O(4) as model compounds we have determined cation distribution in nanosize ZnFe(2)O(4). The cation distribution for samples synthesized at low temperature (400 °C) is (Zn(0.5)Fe(0.5))[Zn(0.5)Fe(1.5)]O(4) for urea- and (Zn(0.75)Fe(0.25))[Zn(0.25)Fe(1.75)]O(4) for citric-acid-based samples. These results show that samples synthesized at and above 600 °C have a local structural environment identical to that of bulk ZnFe(2)O(4).
- Published
- 2011
34. Hydrogen highway: An overview
- Author
-
B. Mukhtar, Safdar Hossain, Shams Rahman, H. I. Abualhamayel, Amir Al-Ahmed, and Javaid S. M. Zaidi
- Subjects
Hydrogen highway ,Hydrogen infrastructure ,United States Hydrogen Policy ,Engineering ,Waste management ,business.industry ,Hydrogen economy ,Compressed hydrogen tube trailer ,business ,Hydrogen station ,Hydrogen vehicle ,Liquid hydrogen - Abstract
This article presents the status of the technology to conceptualize hydrogen as a fuel and fuel cell car and hydrogen fueling station i.e. hydrogen infrastructure. Hydrogen is the lightest and most abundant element in the universe and it is an energy carrier. It can be produced from several sources using various methods and delivered to the fueling station or even it can be produced at the fueling station. Electrolysis of water or reforming of hydrocarbons such as natural gas can produce hydrogen in a big plant or even at the fueling station. But when it is produced using renewable energy such as wind, solar, geothermal, or hydroelectric, it has zero emissions in well to wheel. Hydrogen powdered vehicles either burns hydrogen in an internal combustion engine, or reacts with oxygen in a fuel cell. Developing a chain of hydrogen-equipped fueling stations and other infrastructure along the city road or highway, which will allow hydrogen powered cars to travel, is basically the concept of hydrogen highway. More substantial delivery infrastructure for hydrogen will require the use of high-pressure compressors for gaseous hydrogen and liquefaction system for cryogenic hydrogen. Hydrogen can be transport by road via cylinders, tube trailers, cryogenic tankers, and in pipelines or can be produced onsite. Each of these delivery and production modes requires a significantly different fueling station design. While hydrogen dispensers are basically the same regardless of the delivery or production mode, but the compressed and liquid hydrogen fueled vehicles are completely different. These combinations of hydrogen delivery or production at the station, compressed or liquid hydrogen dispensing, and various components and integration alternatives make up the array of hydrogen fueling station design and visualize total hydrogen infrastructure. Today, all the major automobile manufacturers have one or more prototype hydrogen fuel cell cars in their lineup. Again the advent of onsite hydrogen production system and/or home hydrogen fueling stations can help with the present infrastructure shortcoming. Companies such as Honda, ITM Power and Hydrogenics have at least prototype home hydrogen production and pumps, that may be available soon.
- Published
- 2010
- Full Text
- View/download PDF
35. A Single-Step Synthesis of Electroactive Mesoporous ProDOT-Silica Structures
- Author
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Kim, Jeonghun, primary, Kim, Byeonggwan, additional, Anand, Chokkalingam, additional, Mano, Ajayan, additional, Zaidi, Javaid S. M., additional, Ariga, Katsuhiko, additional, You, Jungmok, additional, Vinu, Ajayan, additional, and Kim, Eunkyoung, additional
- Published
- 2015
- Full Text
- View/download PDF
36. Quality Assessment of Tubewell Water for Irrigation and Impact on Soil and Crops in Central Punjab, Pakistan
- Author
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Ishaq, M., primary and Javaid, S., additional
- Published
- 2015
- Full Text
- View/download PDF
37. Morphological control of mesoporous CN based hybrid materials and their excellent CO2adsorption capacity
- Author
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Lakhi, Kripal S., primary, Baskar, Arun V., additional, Zaidi, Javaid S. M., additional, Al-Deyab, Salem S., additional, El-Newehy, Mohamed, additional, Choy, Jin-Ho, additional, and Vinu, Ajayan, additional
- Published
- 2015
- Full Text
- View/download PDF
38. High temperature microwave-assisted synthesis and the physico-chemical characterisation of mesoporous crystalline titania
- Author
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Ajayan Mano, Ajayan Vinu, Javaid S. M. Zaidi, Ramasamy Jayavel, Chokkalingam Anand, Salem S. Al-Deyab, Kandasamy Sivakumar, El-Refaie Kenawy, B. Sathyaseelan, Rajashree Chakravarti, Sathyaseelan, B., Anand, C., Mano, A., Zaidi, J., Chakravarti, R., Kenawy, El-Refaie, Al-Deyab, Salem S., Jayavel, R., Sivakumar, K., and Vinu, Ajayan
- Subjects
Anatase ,Materials science ,mesoporous TiO2 ,microwave ,Mineralogy ,Bioengineering ,Condensed Matter Physics ,Nanocrystalline material ,Mesoporous organosilica ,Template reaction ,Adsorption ,Nanocrystal ,Chemical engineering ,Materials Chemistry ,crystalline ,photoluminescence ,Electrical and Electronic Engineering ,Mesoporous material ,High-resolution transmission electron microscopy - Abstract
Mesoporous TiO2 with nanocrystalline architecture has been synthesised by using microwave-assisted high temperature method using polymeric surfactant. The polymeric template was removed by stepwise carbonisation process. The structural order, band structure and the textural parameters of the calcined mesoporous titania were investigated by using numerous sophisticated techniques such as XRD, nitrogen adsorption, HRSEM, UV-Vis DRS and HRTEM. The obtained mesoporous TiO2 material have mesoscopic order, high surface area, crystalline walls and narrow pore size distribution as evident from the XRD and nitrogen adsorption results. Wide-angle X-ray diffraction pattern obtained for calcined mesoporous TiO2 shows that the pore wall of the sample is composed of highly crystalline Ti-O-Ti framework with an anatase phase. The photoluminescence properties of the mesoporous TiO2 was also analysed and the results were discussed in detail. Refereed/Peer-reviewed
- Published
- 2010
39. INFLUENCE OF SUBSTITUTING COTTONSEED CAKE WITH RAPESEED CAKE AND MAIZE GLUTEN FEED AS PROTEIN EQUIVALENT BASIS ON GROWTH RATE, DIGESTIBILITY AND ECONOMIC BENEFITS IN SAHIWAL CALVES.
- Author
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Anjum, M. I., Javaid, S., and Afzal, M.
- Subjects
- *
COTTONSEED , *RAPESEED , *GLUTEN , *SAHIWAL cattle , *PROTEIN content of food - Abstract
The experiment was conducted to investigate the poßibility of replacing cottonseed cake (CSC) with rapeseed cake (RSC) and maize gluten feed 30% (MGF) as protein equivalent basis in Sahiwal calves fed maize silage as basal diet. Twelve male calves (about 12-14 months old, and average body weight 110.5±9 kg) were randomly divided into I, II and III groups with 4 calves in each. Three iso-nutritious (CP 15% and TDN 72%) concentrates with CSC, RSC and MGF silage ad-libitum as basal diet. Results revealed non-significant difference (P>0.05) in total dry matter (DM) intake among the groups, however, daily weight gain (kg/head) by group III (0.78) was 18% and 23% higher (P<0.05) compared to group I (0.66) and II (0.63). Similarly, better feed conversion ratio was observed in group III (5.51) followed by group II (6.46) and I (6.53). The digestibility of DM, neutral detergent fibre and acid detergent fibre was alike among the groups whereas, CP digestibility and N retention was significantly (P<0.05) higher in group III compared to other groups. The economic benefits (ratio of output to input) was higher with MGF (1.29) followed by RSC (1.08) and CSC (1.00). These results suggest that MGF protein source is the best when compared with CSC or RSC on protein equivalent basis in terms of higher growth rate, nutrient digestibility and economic benefits in calves fed maize silage as basal diet. [ABSTRACT FROM AUTHOR]
- Published
- 2017
40. Direct observation of a highly spin-polarized organic spinterface at room temperature
- Author
-
Djeghloul, F., additional, Ibrahim, F., additional, Cantoni, M., additional, Bowen, M., additional, Joly, L., additional, Boukari, S., additional, Ohresser, P., additional, Bertran, F., additional, Le Fèvre, P., additional, Thakur, P., additional, Scheurer, F., additional, Miyamachi, T., additional, Mattana, R., additional, Seneor, P., additional, Jaafar, A., additional, Rinaldi, C., additional, Javaid, S., additional, Arabski, J., additional, Kappler, J.-P., additional, Wulfhekel, W., additional, Brookes, N. B., additional, Bertacco, R., additional, Taleb-Ibrahimi, A., additional, Alouani, M., additional, Beaurepaire, E., additional, and Weber, W., additional
- Published
- 2014
- Full Text
- View/download PDF
41. Highly Dispersed and Active Iron Oxide Nanoparticles in SBA-15 with Different Pore Sizes for the Synthesis of Diphenylmethane
- Author
-
Anand, Chokkalingam, primary, Lawrence, Geoffrey, additional, Elzatahry, Ahmed A., additional, Al-Deyab, Salem S., additional, Balasubramanian, Veerappan V., additional, Cha, Wang Soo, additional, Zaidi, Javaid S. M., additional, and Vinu, Ajayan, additional
- Published
- 2014
- Full Text
- View/download PDF
42. A NEW METHOD TO SOLVE BI-OBJECTIVE TRANSPORTATION PROBLEM
- Author
-
Quddoos, A., primary, Javaid, S., additional, and Khalid, M.M., additional
- Published
- 2013
- Full Text
- View/download PDF
43. Chemisorption of manganese phthalocyanine on Cu(001) surface promoted by van der Waals interactions
- Author
-
Javaid, S., primary, Lebègue, S., additional, Detlefs, B., additional, Ibrahim, F., additional, Djeghloul, F., additional, Bowen, M., additional, Boukari, S., additional, Miyamachi, T., additional, Arabski, J., additional, Spor, D., additional, Zegenhagen, J., additional, Wulfhekel, W., additional, Weber, W., additional, Beaurepaire, E., additional, and Alouani, M., additional
- Published
- 2013
- Full Text
- View/download PDF
44. Direct observation of a highly spin-polarized organic spinterface at room temperature
- Author
-
Djeghloul, F., primary, Ibrahim, F., additional, Cantoni, M., additional, Bowen, M., additional, Joly, L., additional, Boukari, S., additional, Ohresser, P., additional, Bertran, F., additional, Le Fèvre, P., additional, Thakur, P., additional, Scheurer, F., additional, Miyamachi, T., additional, Mattana, R., additional, Seneor, P., additional, Jaafar, A., additional, Rinaldi, C., additional, Javaid, S., additional, Arabski, J., additional, Kappler, J. -P, additional, Wulfhekel, W., additional, Brookes, N. B., additional, Bertacco, R., additional, Taleb-Ibrahimi, A., additional, Alouani, M., additional, Beaurepaire, E., additional, and Weber, W., additional
- Published
- 2013
- Full Text
- View/download PDF
45. Neuropsychiatric systemic lupus erythematosus. A review of presentation, manifestations, and morbidity in twenty-nine patients
- Author
-
Javaid S. Sheikh, Avis E. Ware, and Evelyn V. Hess
- Subjects
Adult ,Male ,business.industry ,General Neuroscience ,Mental Disorders ,General Biochemistry, Genetics and Molecular Biology ,Neuropsychiatric systemic lupus erythematosus ,History and Philosophy of Science ,Immunology ,Antibodies, Antiphospholipid ,Medicine ,Humans ,Lupus Erythematosus, Systemic ,Female ,Morbidity ,Nervous System Diseases ,business ,Anti-SSA/Ro autoantibodies - Published
- 1997
46. Multi-objective stochastic linear programming problem when b i ’s follow Weibull distribution
- Author
-
Javaid, S., primary, Ansari, S. I., additional, and Anwar, Zaki, additional
- Published
- 2012
- Full Text
- View/download PDF
47. Fabrication and textural characterization of nanoporous carbon electrodes embedded with CuO nanoparticles for supercapacitors
- Author
-
Prasad, Kumaresa P S, primary, Dhawale, Dattatray S, additional, Sivakumar, Thiripuranthagan, additional, Aldeyab, Salem S, additional, Zaidi, Javaid S M, additional, Ariga, Katsuhiko, additional, and Vinu, Ajayan, additional
- Published
- 2011
- Full Text
- View/download PDF
48. Preparation and characterization of highly ordered mesoporous SiC nanoparticles with rod shaped morphology and tunable pore diameters
- Author
-
TamilSelvan, Sakthivel, primary, Aldeyab, Salem S., additional, Zaidi, Javaid S. M., additional, Arivuoli, Dakshanamoorthy, additional, Ariga, Katsuhiko, additional, Mori, Toshiyuki, additional, and Vinu, Ajayan, additional
- Published
- 2011
- Full Text
- View/download PDF
49. Impact on Interface Spin Polarization of Molecular Bonding to Metallic Surfaces
- Author
-
Javaid, S., primary, Bowen, M., additional, Boukari, S., additional, Joly, L., additional, Beaufrand, J.-B., additional, Chen, Xi, additional, Dappe, Y. J., additional, Scheurer, F., additional, Kappler, J.-P., additional, Arabski, J., additional, Wulfhekel, W., additional, Alouani, M., additional, and Beaurepaire, E., additional
- Published
- 2010
- Full Text
- View/download PDF
50. Multi-Objective Function Optimization for PEM Fuel Cell System
- Author
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Mukhtar, Bello, primary, Zaidi, Javaid S., additional, and Faqir, Naim M., additional
- Published
- 2010
- Full Text
- View/download PDF
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