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Nwobodo I, Louis H, Unimuke TO, Ikenyirimba OJ, Iloanya AC, Mathias GE, Osabor VN, Ahuekwe EF, Adeyinka AS. Molecular Simulation of the Interaction of Diclofenac with Halogen (F, Cl, Br)-Encapsulated Ga 12As 12 Nanoclusters. ACS OMEGA 2023; 8:17538-17551. [PMID: 37251115 PMCID: PMC10210178 DOI: 10.1021/acsomega.2c06097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Accepted: 12/05/2022] [Indexed: 05/31/2023]
Abstract
Diclofenac is one of the most frequently consumed over-the-counter anti-inflammatory agents globally, and several reports have confirmed its global ubiquity in several environmental compartments. Therefore, the need to develop more efficient monitoring/sensing devices with high detection limits is still needed. Herein, quantum mechanical simulations using density functional theory (DFT) computations have been utilized to evaluate the nanosensing efficacy and probe the applicability of Ga12As12 nanostructure and its engineered derivatives (halogen encapsulation F, Br, Cl) as efficient adsorbent/sensor materials for diclofenac. Based on the DFT computations, it was observed that diclofenac preferred to interact with the adsorbent material by assuming a flat orientation on the surface while interacting via its hydrogen atoms with the As atoms at the corner of the GaAs cage forming a polar covalent As-H bond. The adsorption energies were observed to be in the range of -17.26 to -24.79 kcal/mol and therefore suggested favorable adsorption with the surface. Nonetheless, considerable deformation was observed for the Br-encapsulated derivative, and therefore, its adsorption energy was observed to be positive. Additionally, encapsulation of the GaAs nanoclusters with halogens (F and Cl) enhanced the sensing attributes by causing a decrease in the energy gap of the nanocluster. And therefore, this suggests the feasibility of the studied materials as potentiometric sensor materials. These findings could offer some implications for the potential application of GaAs and their halogen-encapsulated derivatives for electronic technological applications.
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Affiliation(s)
- Ikechukwu
C. Nwobodo
- Computational
and Bio-Simulation Research Group, University
of Calabar, P.M.B. 1115, Calabar540221, Nigeria
- Department
of Pure and Applied Chemistry, University
of Calabar, P.M.B. 1115, Calabar540221, Nigeria
| | - Hitler Louis
- Computational
and Bio-Simulation Research Group, University
of Calabar, P.M.B. 1115, Calabar540221, Nigeria
- Department
of Pure and Applied Chemistry, University
of Calabar, P.M.B. 1115, Calabar540221, Nigeria
| | - Tomsmith O. Unimuke
- Computational
and Bio-Simulation Research Group, University
of Calabar, P.M.B. 1115, Calabar540221, Nigeria
- Department
of Pure and Applied Chemistry, University
of Calabar, P.M.B. 1115, Calabar540221, Nigeria
| | - Onyinye J. Ikenyirimba
- Department
of Chemistry Education, Alex Ekwueme Federal
University, P.M.B. 1010, Abakaliki, Ebonyi State010, Nigeria
| | - Anthony C. Iloanya
- Department
of Physics, Lehigh University, Bethlehem, Pennsylvania18015, United States
| | - Gideon E. Mathias
- Computational
and Bio-Simulation Research Group, University
of Calabar, P.M.B. 1115, Calabar540221, Nigeria
- Department
of Pure and Applied Chemistry, University
of Calabar, P.M.B. 1115, Calabar540221, Nigeria
| | - Vincent N. Osabor
- Department
of Pure and Applied Chemistry, University
of Calabar, P.M.B. 1115, Calabar540221, Nigeria
| | - Eze F. Ahuekwe
- Computational
and Bio-Simulation Research Group, University
of Calabar, P.M.B. 1115, Calabar540221, Nigeria
- Department
of Biological Sciences, Covenant University, Ota112104, Ogun State, Nigeria
| | - Adedapo S. Adeyinka
- Research
Centre for Synthesis and Catalysis, Department of Chemical Sciences, University of Johannesburg, Johannesburg2006, South Africa
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Mostafa MM, Abd El-Wahab ZH, Salman AA, Abdelbaset W. The use of complex formation manner for spectrophotometric analysis of gatifloxacin drug based on Co(II), Ni(II) and La(III) ions. Heliyon 2021; 7:e06051. [PMID: 33537484 PMCID: PMC7841363 DOI: 10.1016/j.heliyon.2021.e06051] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Revised: 10/20/2020] [Accepted: 01/18/2021] [Indexed: 01/11/2023] Open
Abstract
Herein, a simple and accurate spectrophotometric method was developed to detect gatifloxacin (HGAT) in a pure and ophthalmic formulation. The method depends on complexation of HGAT with Co (II), Ni (II) and La(III) ions in ethanol medium at room temperature. The experimental conditions have been investigated to reach optimum conditions for HGAT-metal ions interaction, including detection of a suitable wavelength, medium pH, reaction time and reactants concentration. Moreover, the composition of these complexes in addition to their stability constants were also investigated and the result indicated that the molar ratio of HGAT: Metal ion is 1:1 for Ni (II) and La(III) ions and 1:2 for Co (II) ion. Beer's law plots were obeyed in the concentration ranges 18.77-150.16, 18.77-131.39 and 18.77-112.62 (μg mL-1) for Co(II), Ni(II) and La(III) ions interaction, respectively. The apparent molar absorptivity, Sandell's sensitivity, standard deviation, detection and quantification limits were calculated. The proposed method was successfully applied for the determination of HGAT in the bulk and ophthalmic formulation. The obtained results were compared statistically with other published methods and the results were in good agreement with those obtained by reported methods.
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Affiliation(s)
- Mona M. Mostafa
- National Organization for Drug Control & Research (NODCAR), Agouza, Dokki, Cairo, Egypt
| | - Zeinab H. Abd El-Wahab
- Chemistry Department, Faculty of Science (Girl's), Al-Azhar University, Youssif Abbas St., Nasr-City, P.O. Box 11754, Cairo, Egypt
| | - Aida A. Salman
- Chemistry Department, Faculty of Science (Girl's), Al-Azhar University, Youssif Abbas St., Nasr-City, P.O. Box 11754, Cairo, Egypt
| | - W.M. Abdelbaset
- National Organization for Drug Control & Research (NODCAR), Agouza, Dokki, Cairo, Egypt
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