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Ma Y, Sung KW, Ahn HJ. MOF-Derived Co Nanoparticles Catalyst Assisted by F- and N-Doped Carbon Quantum Dots for Oxygen Reduction. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:2093. [PMID: 37513104 PMCID: PMC10384604 DOI: 10.3390/nano13142093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 07/10/2023] [Accepted: 07/12/2023] [Indexed: 07/30/2023]
Abstract
The oxygen reduction reaction is crucial in the cathode of fuel cells and metal-air batteries. Consequently, designing robust and durable ORR catalysts is vital to developing metal-air batteries and fuel cells. Metal-organic frameworks feature an adjustable structure, a periodic porosity, and a large specific surface area, endowing their derivative materials with a unique structure. In this study, F and N co-doped on the carbon support surface (Co/FN-C) via the pyrolysis of ZIF-67 as a sacrificial template while using Co/FN-C as the non-noble metal catalysts. The Co/FN-C displays excellent long-term durability and electrochemical catalytic performance in acidic solutions. These performance improvements are achieved because the CQDs alleviate the structural collapse during the pyrolysis of ZIF-67, which increases the active sites in the Co nanoparticles. Moreover, F- and N-doping improves the catalytic activity of the carbon support by providing additional electrons and active sites. Furthermore, F anions are redox-stable ligands that exhibit long-term operational stability. Therefore, the well-dispersed Co NPs on the surface of the Co/FN-C are promising as the non-noble metal catalysts for ORR.
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Affiliation(s)
- Yuqi Ma
- Department of Materials Science and Engineering, Seoul National University of Science and Technology, Seoul 01811, Republic of Korea
| | - Ki-Wook Sung
- Department of Materials Science and Engineering, Seoul National University of Science and Technology, Seoul 01811, Republic of Korea
| | - Hyo-Jin Ahn
- Department of Materials Science and Engineering, Seoul National University of Science and Technology, Seoul 01811, Republic of Korea
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2
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Magdy G, Ebrahim S, Belal F, El-Domany RA, Abdel-Megied AM. Sulfur and nitrogen co-doped carbon quantum dots as fluorescent probes for the determination of some pharmaceutically-important nitro compounds. Sci Rep 2023; 13:5502. [PMID: 37015951 PMCID: PMC10073125 DOI: 10.1038/s41598-023-32494-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Accepted: 03/28/2023] [Indexed: 04/06/2023] Open
Abstract
In this study, highly fluorescent sulfur and nitrogen co-doped carbon quantum dots (SN-CQDs) were synthesized by a simple one-pot hydrothermal method using thiosemicarbazide and citric acid as starting materials. Various spectroscopic and microscopic techniques were applied to characterize the prepared SN-CQDs. The synthesized SN-CQDs' maximum fluorescence emission was obtained at 430 nm after excitation at 360 nm. Rifampicin (RFP), tinidazole (TNZ), ornidazole (ONZ), and metronidazole (MNZ) all quantitatively and selectively quenched the SN-CQDs' native fluorescence, which was the base-for their-spectrofluorimetric estimation without the need for any tedious pre-treatment steps or high-cost instrumentation. SN-CQDs demonstrated a "turn-off" fluorescence response to RFP, TNZ, ONZ, and MNZ over the ranges of 1.0-30.0, 10.0-200.0, 6.0-200.0, and 5.0-100.0 μM with detection limits of 0.31, 1.76, 0.57, and 0.75 μM and quantitation limits of 0.93, 5.32, 1.74, and 2.28 μM respectively. The suggested method was successfully used to determine the investigated drugs in their commercial dosage forms. The method was further extended to their determination in spiked human plasma samples, with satisfactory mean % recoveries (99.44-100.29) and low % RSD values (< 4.52). The mechanism of fluorescence quenching was studied and discussed. The suggested method was validated in accordance with ICH recommendations.
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Affiliation(s)
- Galal Magdy
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Kafrelsheikh University, P.O. Box 33511, Kafrelsheikh, Egypt.
| | - Shaimaa Ebrahim
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Kafrelsheikh University, P.O. Box 33511, Kafrelsheikh, Egypt
| | - Fathalla Belal
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Mansoura University, P.O. Box 35516, Mansoura, Egypt
| | - Ramadan A El-Domany
- Microbiology and Immunology Department, Faculty of Pharmacy, Kafrelsheikh University, P.O. Box 33511, Kafrelsheikh, Egypt
| | - Ahmed M Abdel-Megied
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Kafrelsheikh University, P.O. Box 33511, Kafrelsheikh, Egypt
- Department of Pharmaceutical Sciences, School of Pharmacy, Notre Dame of Maryland University, Baltimore, MD, 21210, USA
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Tüzün ÜN, Yıldız C, Eskiköy Bayraktepe D, Polat K, Yazan Z. Electrochemical fabrication of poly(l-alanine)-gold nanoparticle nanocomposite-modified electrode: application for determination and mechanism of antipsychotic drug olanzapine. MONATSHEFTE FUR CHEMIE 2022. [DOI: 10.1007/s00706-022-03012-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/05/2022]
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Magdy G, Said N, El-Domany RA, Belal F. Nitrogen and sulfur-doped carbon quantum dots as fluorescent nanoprobes for spectrofluorimetric determination of olanzapine and diazepam in biological fluids and dosage forms: application to content uniformity testing. BMC Chem 2022; 16:98. [PMID: 36380347 PMCID: PMC9667599 DOI: 10.1186/s13065-022-00894-y] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2022] [Accepted: 11/02/2022] [Indexed: 11/16/2022] Open
Abstract
A validated, sensitive, and simple spectrofluorimetric method was developed for the analysis of two important CNS-acting drugs, olanzapine and diazepam, in their commercial tablets without the need for any pretreatment steps. The developed method relied on the quantitative quenching effect of each of olanzapine and diazepam on the native fluorescence of nitrogen and sulfur-doped carbon quantum dots (NS@CQDs). NS@CQDs were prepared from thiosemicarbazide and citric acid by a facile one-pot hydrothermal technique. The synthesized NS@CQDs were characterized by different spectroscopic and microscopic techniques. NS@CQDs produced a maximum emission peak at 430 nm using 360 nm as an excitation wavelength. Calibration curves showed a good linear regression over the range of 5.0–200.0 and 1.0–100.0 μM with detection limits of 0.68 and 0.29 μM for olanzapine and diazepam, respectively. The adopted method was used for the determination of the investigated drugs in their tablets with high % recoveries (98.84–101.70%) and low % RSD values (< 2%). As diazepam is one of the most commonly abused benzodiazepines, the developed method was successfully applied for its determination in spiked human plasma with high % recoveries and low % RSD values, providing further insights for monitoring its potential abuse. The quenching mechanism was also studied and confirmed to be through dynamic and static quenching for olanzapine and diazepam, respectively. Due to the high selectivity and sensitivity, content uniformity testing of low-dose tablets was successfully performed by applying the United States Pharmacopoeia guidelines. The method's validation was performed in compliance with ICHQ2 (R1) recommendations.
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Xie J, Zhang L, Liu Z, Ling G, Zhang P. Application of electrochemical sensors based on nanomaterials modifiers in the determination of antipsychotics. Colloids Surf B Biointerfaces 2022; 214:112442. [PMID: 35278857 DOI: 10.1016/j.colsurfb.2022.112442] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 02/21/2022] [Accepted: 03/02/2022] [Indexed: 01/08/2023]
Abstract
At present, the content of antipsychotics in samples is always analyzed by traditional detection methods, including mass spectrometry (MS), spectrophotometry, fluorescence, capillary electrophoresis (CE). However, conventional methods are cumbersome and complex, require a large sample volume, many pre-processing steps, long analysis cycles, expensive instruments, and need well-trained detection capabilities personnel. In addition, patients with schizophrenia require frequent and painful blood collection procedures, which adds additional treatment costs and time burdens. In view of these factors, electrochemical methods have become the most promising candidate technology for timely analysis due to their low cost, simple operation, excellent sensitivity and specificity. As we all know, nanomaterials play an extremely important role in electrochemical sensing applications. As the sensor modifiers, nanomaterials enable electrochemical analysis to overcome the time-consuming and labor-intensive shortcomings of traditional detection methods, and greatly reduce the research cost. Nanomaterials modified electrodes can be used as sensors to determine the concentration of antipsychotics in organisms quickly and accurately, which is a bright spot in the application of nanomaterials. The combination of different nanomaterials can even form a nanocomposite with a synergistic effect. This paper firstly reviews the application of nanomaterials-modified sensors on the basis of research in the past ten years, reviews the use of nanomaterial-modified sensors to quickly and accurately determine the concentration of antipsychotics in biological samples, and demonstrates a new idea of using nanomaterials sensors for drug monitoring and determination. At the end of this review, a brief overview is given of the limitations and the future prospects of nanomaterial sensors for the determination of antipsychotics concentrations.
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Affiliation(s)
- Jiao Xie
- Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang 110016, China
| | - Lijing Zhang
- Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang 110016, China
| | - Zhiling Liu
- Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang 110016, China
| | - Guixia Ling
- Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang 110016, China.
| | - Peng Zhang
- Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang 110016, China.
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Mathad AS, Seetharamappa J, Kalanur SS. β-Cyclodextrin anchored neem carbon dots for enhanced electrochemical sensing performance of an anticancer drug, lapatinib via host-guest inclusion. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.118582] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Devi RK, Ganesan M, Chen TW, Chen SM, Al-Hemaid FM, Ali MA, Al-Mohaimeed AM. Vanadium carbide and nitrogen-doped graphene nanosheets based layered architecture for electrochemical evaluation of clioquinol detection and energy storage application. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2022.139930] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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Devi RK, Ganesan M, Chen TW, Chen SM, Liu X, Ali MA, Almutairi SM, Sethupathi M. Surface engineering of gadolinium oxide nanoseeds with nitrogen-doped carbon quantum dots: an efficient nanocomposite for precise detection of antibiotic drug clioquinol. NEW J CHEM 2022. [DOI: 10.1039/d1nj05243h] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Nitrogen-doped carbon quantum dot decorated gadolinium oxide nanoseeds as an electrode modifier for the sensitive electrochemical detection of the antibiotic drug clioquinol in urine samples.
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Affiliation(s)
- Ramadhass Keerthika Devi
- Department of Chemical Engineering and Biotechnology, College of Engineering, National Taipei University of Technology, No. 1, Section 3, Chung-Hsiao East Road, Taipei 106, Taiwan, Republic of China
| | - Muthusankar Ganesan
- Department of Mechanical Engineering, National Taipei University of Technology, Taiwan, Republic of China
- Department of Industrial Chemistry, Alagappa University, Karaikudi-630003, Tamil Nadu, India
| | - Tse-Wei Chen
- Department of Materials, Imperial College London, London, SW72AZ, UK
| | - Shen-Ming Chen
- Department of Chemical Engineering and Biotechnology, College of Engineering, National Taipei University of Technology, No. 1, Section 3, Chung-Hsiao East Road, Taipei 106, Taiwan, Republic of China
| | - Xiaoheng Liu
- Key Laboratory of Education Ministry for Soft Chemistry and Functional Materials, Nanjing University of Science and Technology, Nanjing 210094, China
| | - M. Ajmal Ali
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Saeedah M. Almutairi
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Murugan Sethupathi
- Department of Industrial Chemistry, Alagappa University, Karaikudi-630003, Tamil Nadu, India
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Centane S, Nyokong T. Impedimetric aptasensor for HER2 biomarker using graphene quantum dots, polypyrrole and cobalt phthalocyanine modified electrodes. SENSING AND BIO-SENSING RESEARCH 2021. [DOI: 10.1016/j.sbsr.2021.100467] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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Synthesis of Cu-Porphyrazines by Annulated Diazepine Rings with Electrochemical, Conductance Activities and Computational Studies. J Inorg Organomet Polym Mater 2021. [DOI: 10.1007/s10904-021-02122-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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Nxele SR, Nyokong T. The electrochemical detection of prostate specific antigen on glassy carbon electrode modified with combinations of graphene quantum dots, cobalt phthalocyanine and an aptamer. J Inorg Biochem 2021. [PMID: 33992966 DOI: 10.1016/j.dyepig.2021.109407] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
Herein, a novel aptasensor is developed for the electrochemical detection of prostate specific antigen (PSA) on electrode surfaces modified using various combinations of a Cobalt phthalocyanine (CoPc), an aptamer and graphene quantum dots (GQDs). Electrochemical impedance spectroscopy (EIS) as well as differential pulse voltammetry (DPV) are employed for the detection of PSA. In both analytical techniques, linear calibration curves were observed at a concentration range of 1.2-2.0 pM. The glassy carbon electrode where CoPc and GQDs are placed on the electrode when non-covalently linked followed by addition of the aptamer (GQDs-CoPc(ππ)-aptamer (sequential)) showed the best performance with a limit of detection (LoD) as low as 0.66 pM when using DPV. The detection limits were much lower than the dangerous levels reported for PSA in males tested for prostate cancer. This electrode showed selectivity for PSA in the presence of bovine serum albumin, glucose and L-cysteine. The aptasensor showed good stability, reproducibility and repeatability, deeming it a promising early detection device for prostate cancer.
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Affiliation(s)
- Siphesihle Robin Nxele
- Institute for Nanotechnology Innovation, Chemistry Department, Rhodes University, Grahamstown 6140, South Africa
| | - Tebello Nyokong
- Institute for Nanotechnology Innovation, Chemistry Department, Rhodes University, Grahamstown 6140, South Africa.
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Devi RK, Muthusankar G, Chen SM, Gopalakrishnan G. In situ formation of Co 3O 4 nanoparticles embedded N-doped porous carbon nanocomposite: a robust material for electrocatalytic detection of anticancer drug flutamide and supercapacitor application. Mikrochim Acta 2021; 188:196. [PMID: 34036435 DOI: 10.1007/s00604-021-04860-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2021] [Accepted: 05/13/2021] [Indexed: 11/27/2022]
Abstract
The one-step synthesis of heteroatom-doped porous carbons is reported with the in situ formation of cobalt oxide nanoparticles for dual electrochemical applications (i.e., electrochemical sensor and supercapacitor). A single molecular template of zeolitic imidazole framework-67 (ZIF-67) was utilized for the solid-state synthesis of cobalt oxide nanoparticle-decorated nitrogen-doped porous carbon (Co3O4@NPC) nanocomposite through a facile calcination treatment. For the first time, Co3O4@NPC nanocomposite derived from ZIF-67 has been applied as an electrode material for the efficient electrochemical detection of anticancer drug flutamide (FLU). The cyclic voltammetry studies were performed in the operating potential from 0.15 to - 0.65 V (vs. Ag/AgCl). Interestingly, the fabricated drug sensor exhibited a very low reduction potential (- 0.42 V) compared to other reported sensors. The fabricated sensor exhibited good analytical performance in terms of low detection limit (12 nM), wide linear range (0.5 to 400 μM), and appreciable recovery results (~ 98%, RSD 1.7% (n = 3)) in a human urine sample. Hereafter, we also examined the supercapacitor performance of the Co3O4@NPC-modified Ni foam in a 1M KOH electrolyte, and noticeable a specific capacitance of 525 F g-1 at 1.5 A g-1 was attained, with long-term cycling stability. The Co3O4@NPC nanocomposite supercapacitor experiments outperform the associated MOF-derived carbons and the Co3O4-based nanostructure-modified electrodes.
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Affiliation(s)
- Ramadhass Keerthika Devi
- Department of Chemical Engineering and Biotechnology, College of Engineering, National Taipei University of Technology, No. 1, Section 3, Chung-Hsiao East Road, Taipei, 106, Taiwan, Republic of China
| | - Ganesan Muthusankar
- Department of Mechanical Engineering, National Taipei University of Technology, Taipei, Taiwan.,Department of Industrial Chemistry, Alagappa University, Karaikudi, Tamil Nadu, 630003, India
| | - Shen-Ming Chen
- Department of Chemical Engineering and Biotechnology, College of Engineering, National Taipei University of Technology, No. 1, Section 3, Chung-Hsiao East Road, Taipei, 106, Taiwan, Republic of China.
| | - Gopu Gopalakrishnan
- Department of Industrial Chemistry, Alagappa University, Karaikudi, Tamil Nadu, 630003, India
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Bacil RP, Garcia PH, de Araujo WR, Serrano SHP. Mechanism and kinetics of olanzapine and quetiapine oxidations at glassy carbon electrode. Electrochim Acta 2021. [DOI: 10.1016/j.electacta.2020.137683] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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Jahangir MA, Gilani SJ, Muheem A, Jafar M, Aslam M, Ansari MT, Barkat MA. Quantum Dots: Next Generation of Smart Nano-Systems. Pharm Nanotechnol 2019; 7:234-245. [PMID: 31486752 DOI: 10.2174/2211738507666190429113906] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2018] [Revised: 12/03/2018] [Accepted: 04/10/2019] [Indexed: 02/06/2023]
Abstract
BACKGROUND The amalgamation of biological sciences with nano stuff has significantly expedited the progress of biological strategies, greatly promoting practical applications in biomedical fields. OBJECTIVE With distinct optical attributes (e.g., robust photostability, restricted emission spectra, tunable broad excitation, and high quantum output), fluorescent quantum dots (QDs) have been feasibly functionalized with manageable interfaces and considerably utilized as a new class of optical probe in biological investigations. METHODS In this review article, we structured the current advancements in the preparation methods and attributes of QDs. Furthermore, we extend an overview of the outstanding potential of QDs for biomedical research and radical approaches to drug delivery. CONCLUSION Notably, the applications of QDs as smart next-generation nanosystems for neuroscience and pharmacokinetic studies have been explained. Moreover, recent interests in the potential toxicity of QDs are also apprised, ranging from cell investigations to animal studies.
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Affiliation(s)
- Mohammed Asadullah Jahangir
- Department of Pharmaceutics, Nibha Institute of Pharmaceutical Sciences, Karimpur, Rajgir, Nalanda- 803116, Bihar, India
| | - Sadaf Jamal Gilani
- Department of Pharmaceutical Chemistry, College of Pharmacy, Jouf University, Sakaka 2014, Aljouf, Saudi Arabia
| | - Abdul Muheem
- School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi 110062, India
| | - Mohammed Jafar
- Department of Pharmaceutics, College of Clinical Pharmacy, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam-31441, Saudi Arabia
| | - Mohammed Aslam
- School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi 110062, India
| | - Mohammed Tahir Ansari
- Faculty of Pharmacy and Health Sciences, University Kuala Lumpur, Royal College of Medicine, Perak, Ipoh, Malaysia
| | - Mohammed Abul Barkat
- Department of Pharmaceutics, School of Medical and Allied Sciences, K.R. Mangalam University, Sohna Road, Gurgaon-122103, Delhi-NCR, India
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