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Pujari AK, Kaur R, Reddy YN, Paul S, Gogde K, Bhaumik J. Design and Synthesis of Metalloporphyrin Nanoconjugates for Dual Light-Responsive Antimicrobial Photodynamic Therapy. J Med Chem 2024; 67:2004-2018. [PMID: 38241140 DOI: 10.1021/acs.jmedchem.3c01841] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2024]
Abstract
Antimicrobial photodynamic therapy (APDT) utilizes photosensitizers (PSs) that eradicate a broad spectrum of bacteria in the presence of light and molecular oxygen. On the other hand, some light sources such as ultraviolet (UVB and UVC) have poor penetration and high cytotoxicity, leading to undesired PDT of the PSs. Herein, we have synthesized conjugatable mesosubstituted porphyrins and extensively characterized them. Time-dependent density functional theory (TD-DFT) calculations revealed that metalloporphyrin EP (5) is a suitable candidate for further applications. Subsequently, the metalloporphyrin was conjugated with lignin-based zinc oxide nanocomposites (ZnOAL and ZnOKL) to develop hydrophilic nanoconjugates (ZnOAL@EP and ZnOKL@EP). Upon dual light (UV + green light) exposure, nanoconjugates showed enhanced singlet oxygen generation ability and also demonstrated pH responsiveness. These nanoconjugates displayed significantly improved APDT efficiency (4-7 fold increase) to treat bacterial infection under dual light irradiation.
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Affiliation(s)
- Anil Kumar Pujari
- Department of Bioproduct Chemistry, Center of Innovative and Applied Bioprocessing (CIAB), Knowledge City, Sector 81, S.A.S. Nagar, Mohali, Punjab 140308, India
- Indian Institute of Science Education and Research (IISER), Knowledge City, Sector 81, S. A. S. Nagar, Mohali, Punjab 140306, India
| | - Ravneet Kaur
- Department of Bioproduct Chemistry, Center of Innovative and Applied Bioprocessing (CIAB), Knowledge City, Sector 81, S.A.S. Nagar, Mohali, Punjab 140308, India
| | - Yeddula Nikhileshwar Reddy
- Department of Bioproduct Chemistry, Center of Innovative and Applied Bioprocessing (CIAB), Knowledge City, Sector 81, S.A.S. Nagar, Mohali, Punjab 140308, India
- Indian Institute of Science Education and Research (IISER), Knowledge City, Sector 81, S. A. S. Nagar, Mohali, Punjab 140306, India
| | - Shatabdi Paul
- Department of Bioproduct Chemistry, Center of Innovative and Applied Bioprocessing (CIAB), Knowledge City, Sector 81, S.A.S. Nagar, Mohali, Punjab 140308, India
- Regional Centre for Biotechnology (RCB), Faridabad, Haryana 121001, India
| | - Kunal Gogde
- Department of Bioproduct Chemistry, Center of Innovative and Applied Bioprocessing (CIAB), Knowledge City, Sector 81, S.A.S. Nagar, Mohali, Punjab 140308, India
- University Institute of Pharmaceutical Sciences (UIPS), Panjab University, Sector 14, Chandigarh 160014, India
| | - Jayeeta Bhaumik
- Department of Bioproduct Chemistry, Center of Innovative and Applied Bioprocessing (CIAB), Knowledge City, Sector 81, S.A.S. Nagar, Mohali, Punjab 140308, India
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Karandashev K, Weinreich J, Heinen S, Arismendi Arrieta DJ, von Rudorff GF, Hermansson K, von Lilienfeld OA. Evolutionary Monte Carlo of QM Properties in Chemical Space: Electrolyte Design. J Chem Theory Comput 2023; 19:8861-8870. [PMID: 38009856 PMCID: PMC10720348 DOI: 10.1021/acs.jctc.3c00822] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 10/29/2023] [Accepted: 10/30/2023] [Indexed: 11/29/2023]
Abstract
Optimizing a target function over the space of organic molecules is an important problem appearing in many fields of applied science but also a very difficult one due to the vast number of possible molecular systems. We propose an evolutionary Monte Carlo algorithm for solving such problems which is capable of straightforwardly tuning both exploration and exploitation characteristics of an optimization procedure while retaining favorable properties of genetic algorithms. The method, dubbed MOSAiCS (Metropolis Optimization by Sampling Adaptively in Chemical Space), is tested on problems related to optimizing components of battery electrolytes, namely, minimizing solvation energy in water or maximizing dipole moment while enforcing a lower bound on the HOMO-LUMO gap; optimization was carried out over sets of molecular graphs inspired by QM9 and Electrolyte Genome Project (EGP) data sets. MOSAiCS reliably generated molecular candidates with good target quantity values, which were in most cases better than the ones found in QM9 or EGP. While the optimization results presented in this work sometimes required up to 106 QM calculations and were thus feasible only thanks to computationally efficient ab initio approximations of properties of interest, we discuss possible strategies for accelerating MOSAiCS using machine learning approaches.
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Affiliation(s)
| | - Jan Weinreich
- Faculty
of Physics, University of Vienna, Kolingasse 14-16, AT-1090 Wien, Austria
| | - Stefan Heinen
- Vector
Institute for Artificial Intelligence, Toronto, M5S 1M1 Ontario, Canada
| | | | - Guido Falk von Rudorff
- Department
of Chemistry, University Kassel, Heinrich-Plett-Str.40, 34132 Kassel, Germany
- Center
for Interdisciplinary Nanostructure Science and Technology (CINSaT), Heinrich-Plett-Straße 40, 34132 Kassel, Germany
| | - Kersti Hermansson
- Department
of Chemistry-Ångström Laboratory, Uppsala University, Box 538, SE-75121 Uppsala, Sweden
| | - O. Anatole von Lilienfeld
- Vector
Institute for Artificial Intelligence, Toronto, M5S 1M1 Ontario, Canada
- Departments
of Chemistry, Materials Science and Engineering, and Physics, University of Toronto, St. George
Campus, Toronto, M5S 1A1 Ontario, Canada
- Machine
Learning Group, Technische Universität
Berlin and Institute for the Foundations of Learning and Data, 10587 Berlin, Germany
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3
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Gogde K, Paul S, Pujari AK, Yadav AK, Bhaumik J. Synthesis of Metallo-Chromone Porphyrin Nano-Starch Sensitizers as Photodynamic Therapeutics for the Eradication of Enterococci Dental Pathogens. J Med Chem 2023; 66:13058-13071. [PMID: 37671975 DOI: 10.1021/acs.jmedchem.3c01087] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/07/2023]
Abstract
Photodynamic therapy (PDT), as an advanced, alternative, and promising treatment, can inhibit dental pathogens. PDT employs the activation of photosensitizers via the light of a particular wavelength and molecular oxygen to inhibit dental pathogens. Herein, we present a comprehensive study on the synthesis and characterization of three chromone-porphyrins [Zn(II)-5-[4-chromone]-15-(4-phenyl)porphyrin (ZnCP), 5-[4-chromone]-15-(4-12 phenyl)porphyrin (DMCP), and Pd(II)-5-[4-chromone]-15-(4-phenyl)porphyrin (PdCP)]. Next, the computational study was also performed to establish the correlation between photophysical properties and theoretical calculations for those chromone-porphyrins using density functional theory and time-dependent density functional theory. Furthermore, chromone-porphyrins were encapsulated in starch nanoparticles to develop soluble nano-starch sensitizers (ZnCP-SNPs, DMCP-SNPs, and PdCP-SNPs) via the nanoprecipitation technique. Upon green light exposure, these nano-starch sensitizers exhibited excellent singlet oxygen generation ability. Moreover, final nanoformulations have been explored for pH responsiveness. Based on our intriguing findings, the chromone-porphyrin-loaded nano-starch sensitizers displayed great potential as prospective PDT to treat enterococci dental pathogens.
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Affiliation(s)
- Kunal Gogde
- Department of Bioproduct Chemistry, Center of Innovative and Applied Bioprocessing, Dept. of Biotechnology (Govt. of India), Knowledge City, Sector 81, Mohali, Punjab 140308, India
- University Institute of Pharmaceutical Sciences (UIPS), Panjab University, Sector 14, Chandigarh 160014, India
| | - Shatabdi Paul
- Department of Bioproduct Chemistry, Center of Innovative and Applied Bioprocessing, Dept. of Biotechnology (Govt. of India), Knowledge City, Sector 81, Mohali, Punjab 140308, India
- Regional Centre for Biotechnology (RCB), Faridabad, Haryana 121001, India
| | - Anil Kumar Pujari
- Department of Bioproduct Chemistry, Center of Innovative and Applied Bioprocessing, Dept. of Biotechnology (Govt. of India), Knowledge City, Sector 81, Mohali, Punjab 140308, India
- Indian Institute of Science Education and Research (IISER), Knowledge City, Sector 81, Mohali, Punjab 140306, India
| | - Ashok Kumar Yadav
- University Institute of Pharmaceutical Sciences (UIPS), Panjab University, Sector 14, Chandigarh 160014, India
| | - Jayeeta Bhaumik
- Department of Bioproduct Chemistry, Center of Innovative and Applied Bioprocessing, Dept. of Biotechnology (Govt. of India), Knowledge City, Sector 81, Mohali, Punjab 140308, India
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Honnappa N, Anil AG, Shekar S, Behera SK, Ramamurthy PC. Design of a Highly Selective Benzimidazole-Based Derivative for Optical and Solid-State Detection of Zinc Ion. Inorg Chem 2022; 61:15085-15097. [PMID: 36083867 DOI: 10.1021/acs.inorgchem.2c02175] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
A novel series of benzimidazole-based molecules mimicking biological receptors, which exhibit selective coordination with zinc ions, were designed and synthesized. The photochromic behavior of these derivatives with various metal ions suggests a selective interaction of one of the receptors 2-(pyridin-2-yl)-4,7-di(thiophen-2-yl)-3H-benzo[d]imidazole (2c) with zinc ion. The lower limit of detection by photoluminescence quenching was determined to be 16 nM. The mechanism of selective complexation was elucidated by 1H nuclear magnetic resonance titrations and dynamic light scattering analysis. The stoichiometry of the formation of the Zn(2c)2 complex was evaluated by single-crystal X-ray diffraction and mass spectral techniques and calculated to be 2:1 (L:M). A change in the electronic energy levels on the sensor analyte interaction was observed by both ultraviolet photoelectron spectroscopy analysis and by density functional theory calculations, suggesting an electroactive semiconductor behavior. A symmetric Schottky structured sensor device was fabricated using the receptor 2c as the active sensing layer. A distinct change in current-voltage characteristics between the receptor and the complex suggests that the fabricated device could be used as a solid-state sensor for detecting zinc ion.
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Affiliation(s)
- Nagarajaiah Honnappa
- Department of Materials Engineering, Indian Institute of Science Bengaluru, Bengaluru 560012, India
| | - Amith G Anil
- Department of Materials Engineering, Indian Institute of Science Bengaluru, Bengaluru 560012, India
| | - Shweta Shekar
- Department of Materials Engineering, Indian Institute of Science Bengaluru, Bengaluru 560012, India
| | - Sushant Kumar Behera
- Department of Materials Engineering, Indian Institute of Science Bengaluru, Bengaluru 560012, India
| | - Praveen C Ramamurthy
- Department of Materials Engineering, Indian Institute of Science Bengaluru, Bengaluru 560012, India
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Unimuke T, Louis H, Eno EA, Agwamba EC, Adeyinka AS. Meta-Hybrid Density Functional Theory Prediction of the Reactivity, Stability, and IGM of Azepane, Oxepane, Thiepane, and Halogenated Cycloheptane. ACS OMEGA 2022; 7:13704-13720. [PMID: 35559178 PMCID: PMC9088921 DOI: 10.1021/acsomega.1c07361] [Citation(s) in RCA: 36] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Accepted: 03/31/2022] [Indexed: 05/09/2023]
Abstract
The application of plain cycloalkanes and heterocyclic derivatives in the synthesis of valuable natural products and pharmacologically active intermediates has increased tremendously in recent times with much attention being paid to the lower cycloalkane members. The structural and molecular properties of higher seven-membered and nonaromatic heterocyclic derivatives are less known despite their stable nature and vast application; thus, an insight into their structural and electronic properties is still needed. Appropriate quantum chemical calculations utilizing the ab initio (MP2) method, meta-hybrid (M06-2X) functional, and long-range-separated functionals (ωB97XD) have been utilized in this work to investigate the structural reactivity, stability, and behavior of substituents on cycloheptane (CHP) and its derivatives: azepane, oxepane, thiepane, fluorocycloheptane (FCHP), bromocycloheptane (BrCHP), and chlorocycloheptane (ClCHP). Molecular global reactivity descriptors such as Fukui function, frontier molecular orbitals (FMOs), and molecular electrostatic potential were computed and compared with lower members. The results of two population methods CHELPG and Atomic Dipole Corrected Hirshfeld Charges (ADCH) were equally compared to scrutinize the charge distribution in the molecules. The susceptibility of intramolecular interactions between the substituents and cycloalkane ring is revealed by natural bond orbital analysis and intramolecular weak interactions by the independent gradient model (IGM). Other properties such as atomic density of states, intrinsic bond strength index (IBSI), and dipole moments are considered. It is acclaimed that the strain effect is a major determinant effect in the energy balance of cyclic molecules; thus, the ring strain energies and validation of spectroscopic specificities with reference to the X-ray crystallographic data are also considered.
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Affiliation(s)
- Tomsmith
O. Unimuke
- Computational
and Bio-Simulation Research Group, University
of Calabar, Calabar 540004, Nigeria
- Department
of Pure and Applied Chemistry, Faculty of Physical Sciences, University of Calabar, Calabar 540004, Nigeria
| | - Hitler Louis
- Computational
and Bio-Simulation Research Group, University
of Calabar, Calabar 540004, Nigeria
- Department
of Pure and Applied Chemistry, Faculty of Physical Sciences, University of Calabar, Calabar 540004, Nigeria
| | - Ededet A. Eno
- Computational
and Bio-Simulation Research Group, University
of Calabar, Calabar 540004, Nigeria
- Department
of Pure and Applied Chemistry, Faculty of Physical Sciences, University of Calabar, Calabar 540004, Nigeria
| | - Ernest C. Agwamba
- Computational
and Bio-Simulation Research Group, University
of Calabar, Calabar 540004, Nigeria
- Department
of Chemical Sciences, Clifford University
Owerrinta, Abia State 440001, Nigeria
| | - Adedapo S. Adeyinka
- Research
Centre for Synthesis and Catalysis, Department of Chemical Sciences, University of Johannesburg, Johannesburg 2006, South Africa
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Muslim M, Ali A, Kamaal S, Ahmad M, Jane Alam M, Rahman QI, Shahid M. Efficient adsorption and facile photocatalytic degradation of organic dyes over H-bonded proton-transfer complex: An experimental and theoretical approach. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2021.117951] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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7
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Nnadiekwe CC, Nada A, Abdulazeez I, Imam MR, Janjua MRSA, Al-Saadi AA. UV-absorbing benzamide-based dendrimer precursors: synthesis, theoretical calculation, and spectroscopic characterization. NEW J CHEM 2022. [DOI: 10.1039/d1nj04366h] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Janus (J) and Twin (T) benzamide-based branched structures were synthesized and characterized using theoretical and spectroscopic methods.
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Affiliation(s)
- Chidera C. Nnadiekwe
- Chemistry Department, King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia
| | - Ahmed Nada
- Chemistry Department, King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia
| | - Ismail Abdulazeez
- Interdisciplinary Research Center for Membranes & Water Security, King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia
| | - Mohammad R. Imam
- Department of Mathematics and Natural Sciences, American University of Iraq, Sulaimani, Kurdistan Region, 46001, Iraq
| | | | - Abdulaziz A. Al-Saadi
- Chemistry Department, King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia
- Interdisciplinary Research Center for Refining & Advanced Chemicals, King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia
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Khan MY, Khan I, Zeama M, Khan A. Sulfone-containing Conjugated Polyimide 2D Nanosheets for Efficient Water Oxidation. Chem Asian J 2021; 16:1979-1987. [PMID: 34058080 DOI: 10.1002/asia.202100392] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Revised: 05/27/2021] [Indexed: 11/11/2022]
Abstract
Water oxidation is a bottleneck in artificial photosynthesis that impedes its practicality for solar energy conversion and utilization. It is highly desired to significantly improve the efficacy of the existing catalysts or to rationally design new catalysts with improved performance. We report a novel conjugated and sulfone containing polyimide as a metal-free photocatalyst synthesized via a two-step method: (i) synthesis of precursor poly(amic acid) (PAA) (ii) solvothermal synthesis of polyimide through thermal imidization. The synthesis of the polyimide photocatalyst was demonstrated by the amide linkage in the FTIR spectrum. The obtained photocatalyst was semicrystalline in nature and possessed sheet-like morphology as illustrated by the diffraction pattern and the electron micrographic images, respectively. The thermogravimetric analysis of the polyimide nanosheets validated a thermally stable structure. The DFT calculations were performed which showed a suitable HOMO band position, favorable for water oxidation. The photoelectrocatalytic (PEC) performance of the polyimide nanosheets evaluated by studying water oxidation reaction without any sacrificial agent under 1-SUN showed enhanced PEC performance and good stability towards water oxidation at 0 V versus SCE.
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Affiliation(s)
- Mohd Yusuf Khan
- Center of Research Excellence in Nanotechnology, King Fahd University of Petroleum & Minerals (KFUPM), Dhahran, 31261, Saudi Arabia
| | - Ibrahim Khan
- Center of Integrated Petroleum Research (CIPR), King Fahd University of Petroleum & Minerals (KFUPM), Dhahran, 31261, Saudi Arabia.,School of Chemical Engineering and Materials Science, Chung-Ang University, 84 Heukseok-ro, Seoul, South Korea
| | - Mostafa Zeama
- Physics Department, King Fahd University of Petroleum & Minerals (KFUPM), Dhahran, 31261, Saudi Arabia
| | - Abuzar Khan
- Center of Research Excellence in Nanotechnology, King Fahd University of Petroleum & Minerals (KFUPM), Dhahran, 31261, Saudi Arabia
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Bisong EA, Louis H, Unimuke TO, Bassey VM, Agwupuye JA, Peter LI, Ekpen FO, Adeleye AT. Theoretical investigation of the stability, reactivity, and the interaction of methyl-substituted peridinium-based ionic liquids. PHYSICAL SCIENCES REVIEWS 2021. [DOI: 10.1515/psr-2020-0137] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
This research work focuses on the reactivity, stability, and electronic interaction of pyridinium hydrogen nitrate (PHN)-based ionic liquids and the influence of methyl substituent on this class of ionic liquids: Ortho- (O-MPHN), meta- (M-MPHN), and para- (P-MPHN) substitution. Natural bond orbital (NBO) calculations were performed at the density functional theory (DFT) with Becke’s Lee Yang and Parr functional (B3LYP) methods and DFT/B3LYP/6-311++G(d,p) as basis set using GAUSSIAN 09W and GAUSSVIEW 6.0 software and the most important interaction between donor (Filled Lewis-type NBO’s) and the acceptor (vacant non-Lewis NBOs) were observed. From our natural bond orbital (NBO) result, it could be deduced that the higher the stabilization energy value, the greater the interaction between the donor and acceptor NBOs. The stability of the studied compounds is said to follow the order from O-MPHN > PHN > P-MPHN > M-MPHN based on the hyperconjugative interaction (stabilization energy) of the most significant interaction. The result of the highest occupied molecular orbital (HOMO), shows that PHN has the highest HOMO while the substituted derivatives have similar HOMO values between −7.70 and −7.98 eV thus PHN complex is the best electron donor while the substituted derivatives act as electron acceptors due to the presence of methyl group substituent which is observed to be electron deficient as a result of its withdrawal effect from the aromatic ring. Furthermore, the electron density, real space functions such as energy density and Laplacian of electron density at bond critical point (BCP) of the hydrogen bond interaction of the studied compounds were analyzed using Multifunctional Wavefunction analyzer software version 3.7 and it was observed that the hydrogen at position 6 and oxygen at position 11 (H6–O11) of M-methyl pyridinium nitrate with bond distance of 4.59 (Å) gave binding energy with the strongest electrostatic interaction between the cation and anion of the compounds under investigation. We also observed from our results that, substitution at the ortho position enhances the stability and strengthen the extent of charge transfer. This therefore implies that substitution at ortho position is more favorable for inter- and intramolecular interactions resulting to stabilization of the studied molecules.
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Affiliation(s)
- Emmanuel A. Bisong
- Department of Pure and Applied Chemistry , Computational and Bio-Simulation Research Group, Faculty of Physical Sciences, University of Calabar , Calabar , Cross River State , Nigeria
| | - Hitler Louis
- Department of Pure and Applied Chemistry , Computational and Bio-Simulation Research Group, Faculty of Physical Sciences, University of Calabar , Calabar , Cross River State , Nigeria
| | - Tomsmith O. Unimuke
- Department of Pure and Applied Chemistry , Computational and Bio-Simulation Research Group, Faculty of Physical Sciences, University of Calabar , Calabar , Cross River State , Nigeria
| | - Victoria M. Bassey
- Department of Pure and Applied Chemistry , Computational and Bio-Simulation Research Group, Faculty of Physical Sciences, University of Calabar , Calabar , Cross River State , Nigeria
| | - John A. Agwupuye
- Department of Pure and Applied Chemistry , Computational and Bio-Simulation Research Group, Faculty of Physical Sciences, University of Calabar , Calabar , Cross River State , Nigeria
| | - Linda I. Peter
- Department of Pure and Applied Chemistry , Computational and Bio-Simulation Research Group, Faculty of Physical Sciences, University of Calabar , Calabar , Cross River State , Nigeria
| | - Francis O. Ekpen
- Department of Science Education , Faculty of Education, University of Calabar , Calabar , Cross River State , Nigeria
| | - Aderemi T. Adeleye
- Dalian Institute of Chemical Physics, University of Chinese Academy of Sciences , Dalian , P. R. China
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Alam MS, Lee DU. Molecular structure, spectral (FT-IR, FT-Raman, Uv-Vis, and fluorescent) properties and quantum chemical analyses of azomethine derivative of 4-aminoantipyrine. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2020.129512] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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