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Raza A, Sayeed K, Naaz A, Muaz M, Islam SN, Rahaman S, Sama F, Pandey K, Ahmad A. Green Synthesis of ZnO Nanoparticles and Ag-Doped ZnO Nanocomposite Utilizing Sansevieria trifasciata for High-Performance Asymmetric Supercapacitors. ACS OMEGA 2024; 9:32444-32454. [PMID: 39100365 PMCID: PMC11292842 DOI: 10.1021/acsomega.3c10060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/16/2023] [Revised: 02/27/2024] [Accepted: 02/28/2024] [Indexed: 08/06/2024]
Abstract
This study provides a comprehensive analysis of a biofabricated nanomaterial derived from Sansevieria trifasciata root extract, evaluating its structural, morphological, and optical properties for use in asymmetric supercapacitors. The nanomaterial comprises pristine ZnO nanoparticles (ZnO NPs) and a 1% Ag-doped ZnO nanocomposite (Ag@ZnO NC), synthesized through a green-assisted sol-gel autocombustion method. Employing techniques such as X-ray diffraction, ultraviolet-visible near-infrared, scanning electron microscopy-energy-dispersive X-rayspectroscopy, Fourier transform infrared spectroscopy, Raman spectroscopy, and transmission electron microscopy, the study confirms a hexagonal wurtzite structure and nanocrystallites with spherical and hexagonal shapes (30 nm). Optical analysis reveals a red shift in the band gap with Ag doping, indicating improved conductivity. The material shows potential applications in solar cells, optoelectronics, spintronics, wastewater treatment, and high-performance asymmetric supercapacitors. Raman spectra validate the wurtzite phase and identify intrinsic defects. Electrochemical tests demonstrate remarkable supercapacitive behavior with a 94% capacitance retention after 10,000 cycles, highlighting its promise as advanced asymmetric supercapacitors.
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Affiliation(s)
- Azam Raza
- Interdisciplinary
Nanotechnology Centre, Zakir Husain College of Engineering and Technology, Aligarh Muslim University, Aligarh 202002, India
| | - Kaifee Sayeed
- Centre
for Nano and Soft Matter Sciences (CeNS), Shivanapura, Bengaluru 562162, India
| | - Aeiman Naaz
- Interdisciplinary
Nanotechnology Centre, Zakir Husain College of Engineering and Technology, Aligarh Muslim University, Aligarh 202002, India
| | - Mohammad Muaz
- Interdisciplinary
Nanotechnology Centre, Zakir Husain College of Engineering and Technology, Aligarh Muslim University, Aligarh 202002, India
| | - Sk Najrul Islam
- Interdisciplinary
Nanotechnology Centre, Zakir Husain College of Engineering and Technology, Aligarh Muslim University, Aligarh 202002, India
| | - Sabiar Rahaman
- Centre
for Nano and Soft Matter Sciences (CeNS), Shivanapura, Bengaluru 562162, India
| | - Farasha Sama
- Interdisciplinary
Nanotechnology Centre, Zakir Husain College of Engineering and Technology, Aligarh Muslim University, Aligarh 202002, India
- Department
of Industrial Chemistry, Aligarh Muslim
University, Aligarh 202002, India
| | - Kavita Pandey
- Centre
for Nano and Soft Matter Sciences (CeNS), Shivanapura, Bengaluru 562162, India
- Academy
of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Absar Ahmad
- Interdisciplinary
Nanotechnology Centre, Zakir Husain College of Engineering and Technology, Aligarh Muslim University, Aligarh 202002, India
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Kumaran M, Sivaranjani T, Suresh S, Periandy S, Soundhariya S, Alibrahim KA, Alodhayb AN. Investigation of the molecular structure of CHBP, biological activities and SARS-CoV-2 protein binding interaction by molecular and biomolecular spectroscopy approaches. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 322:124853. [PMID: 39053114 DOI: 10.1016/j.saa.2024.124853] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2024] [Revised: 07/10/2024] [Accepted: 07/19/2024] [Indexed: 07/27/2024]
Abstract
The objective of this investigation is to learn more about the structural, electrical, spectroscopic, and physiochemical characteristics of biologically active cyano-4'-hydroxybiphenyl (CHBP). The title molecule's optimized conformational analysis was computed using the DFT/B3LYP/6-311++G (d, p) level of theory. The observed wavenumbers were compared with theoretical FT-IR and FT-Raman spectra. 1H and 13C NMR experimental spectra in CDCl3 solution (solvent phase) were recorded and the chemical shift was calculated. NBO analysis was used to examine the transfer of charge as well as the intermolecular and intramolecular bonding of orbitals. The TD-DFT (time-dependent DFT) approach was used to estimate theoretical values for both the gas and solvent (ethanol) in the corresponding transitional research, which was conducted using UV-Vis's spectra. Energy gap (Eg = 0.26764 eV) implies that the strong potential for charge transfer, and the stability of the CHBP compound. CHBP compound's has bioactive nature, its drug-likeness and biological properties were evaluated. The predicted topological polar surface area of 44.02 \AA2 for the molecule falls within the permissible range of < 140 \AA2. Based on the docking results, the most stable docking score value is -6.84 kcal/mol. In that interaction, MET 165 affects both phenyl rings in a pi-sulphur fashion and a single bond hydrogen with protein moieties GLN 192. This suggests that the pi-alkyl in PRO 168 is a hydroxyl substitutional ring. Our findings demonstrate the CHBP compound is a good inhibitor against the SAR COVID-19 viral protein.
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Affiliation(s)
- M Kumaran
- Department of Physics, Sri ManakulaVinayagar Engineering College, Pondicherry 605107, India
| | - T Sivaranjani
- Department of Physics, Sri ManakulaVinayagar Engineering College, Pondicherry 605107, India.
| | - S Suresh
- Department of Physics, Saveetha Engineering College (Autonomous), Thandalam, Chennai 602105, Tamil Nadu, India.
| | - S Periandy
- Department of Physics, Kanchi Mamunivar Centre for Post Graduate Studies and Research, Pondicherry, India
| | - S Soundhariya
- Department of Physics, Kanchi Mamunivar Centre for Post Graduate Studies and Research, Pondicherry, India
| | - Khuloud A Alibrahim
- Department of Chemistry, College of Science, Princess Nourah bint Abdulrahman University, Riyadh 11671, Saudi Arabia
| | - Abdullah N Alodhayb
- Department of Physics and Astronomy, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
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Koohyar F, Lobb K. Physical properties of N-Cbz-protected amino acids in methanol as predicted through molecular dynamics calculations at different temperatures and constant pressure. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.118935] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Kulkarni PU, Shah H, Vyas VK. Hybrid Quantum Mechanics/Molecular Mechanics (QM/MM) Simulation: A Tool for Structure-based Drug Design and Discovery. Mini Rev Med Chem 2021; 22:1096-1107. [PMID: 34620049 DOI: 10.2174/1389557521666211007115250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Revised: 04/22/2021] [Accepted: 08/10/2021] [Indexed: 11/22/2022]
Abstract
Quantum mechanics (QM) is physics based theory which explains the physical properties of nature at the level of atoms and sub-atoms. Molecular mechanics (MM) construct molecular systems through the use of classical mechanics. So, hybrid quantum mechanics and molecular mechanics (QM/MM) when combined together can act as computer-based methods which can be used to calculate structure and property data of molecular structures. Hybrid QM/MM combines the strengths of QM with accuracy and MM with speed. QM/MM simulation can also be applied for the study of chemical process in solutions as well as in the proteins, and has a great scope in structure-based drug design (CADD) and discovery. Hybrid QM/MM also applied to HTS, to derive QSAR models and due to availability of many protein crystal structures; it has a great role in computational chemistry, especially in structure- and fragment-based drug design. Fused QM/MM simulations have been developed as a widespread method to explore chemical reactions in condensed phases. In QM/MM simulations, the quantum chemistry theory is used to treat the space in which the chemical reactions occur; however the rest is defined through molecular mechanics force field (MMFF). In this review, we have extensively reviewed recent literature pertaining to the use and applications of hybrid QM/MM simulations for ligand and structure-based computational methods for the design and discovery of therapeutic agents.
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Affiliation(s)
- Prajakta U Kulkarni
- School of Pharmacy, ITM (SLS) Baroda University, Vadodara 391510, Gujarat. India
| | - Harshil Shah
- Department of Pharmaceutical Chemistry, Sardar Patel College of Pharmacy, Bakrol, Anand 388315, Gujarat. India
| | - Vivek K Vyas
- Department of Pharmaceutical Chemistry, Institute of Pharmacy, Nirma University, Ahmedabad 382481, Gujarat. India
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