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Niamat Y, Yaqoob J, Khan MU, Hussain R, Gilani MA, Hassan AU, Ahamad T. Investigating the potential of monocyclic B 9N 9 and C 18 rings for the electrochemical sensing, and adsorption of carbazole-based anti-cancer drug derivatives: DFT-based first-principle study. J Mol Model 2024; 30:245. [PMID: 38960925 DOI: 10.1007/s00894-024-06049-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2024] [Accepted: 06/25/2024] [Indexed: 07/05/2024]
Abstract
CONTEXT For the first time, the use of monocyclic rings C18 and B9N9 as sensors for the sensing of carbazole-based anti-cancer drugs, such as tetrahydrocarbazole (THC), mukonal (MKN), murrayanine (MRY), and ellipticine (EPT), is described using DFT simulations and computational characterization. The geometries, electronic properties, stability studies, sensitivity, and adsorption capabilities of C18 and B9N9 counterparts towards the selected compounds confirm that the analytes interact through active cavities of the C18 and B9N9 rings of the complexes. METHODS Based on the interaction energies, the sensitivity of surfaces towards EPT, MKN, MRY, and THC analytes is observed. The interaction energy of EPT@B9N9, MKN@B9N9, MRY@B9N9, and THC@B9N9 complexes are observed - 20.40, - 19.49, - 20.07, and - 18.27 kcal/mol respectively which is more exothermic than EPT@C18, MKN@C18, MRY@C18, and THC@C18 complexes are - 16.37, - 13.97, - 13.96, and - 11.39 kcal/mol respectively. According to findings from the quantum theory of atoms in molecules (QTAIM) and the reduced density gradient (RDG), dispersion forces play a significant role in maintaining the stability of these complexes. The electronic properties including FMOs, density of states (DOS), natural bond orbitals (NBO), charge transfer, and absorption studies are carried out. In comparison of B9N9 and C18, the analyte recovery time for C18 is much shorter (9.91 × 10-11 for THC@C18) than that for B9N9 shorter recovery time value of 3.75 × 10-9 for EPT@B9N9. These results suggest that our reported sensors B9N9 and C18 make it faster to detect adsorbed molecules at room temperature. The sensor response is more prominent in B9N9 due to its fine energy gap and high adsorption energy. Consequently, it is possible to think of these monocyclic systems as a potential material for sensor applications.
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Affiliation(s)
- Yumna Niamat
- Department of Chemistry, University of Okara, Okara, -56300, Pakistan
| | - Junaid Yaqoob
- Department of Chemistry, University of Okara, Okara, -56300, Pakistan.
- Department of Chemistry, COMSATS University Islamabad, Lahore Campus, Lahore, 54600, Pakistan.
| | | | - Riaz Hussain
- Department of Chemistry, University of Okara, Okara, -56300, Pakistan
| | - Mazhar Amjad Gilani
- Department of Chemistry, COMSATS University Islamabad, Lahore Campus, Lahore, 54600, Pakistan
| | - Abrar Ul Hassan
- Lunan Research Institute, Beijing Institute of Technology, 888 Zhengtai Road, Tengzhou, 277599, China
- School of Materials Science and Engineering, Beijing Institute of Technology, Beijing, 100081, China
| | - Tansir Ahamad
- Department of Chemistry, College of Science, King Saud University, 11451, Riyadh, Saudi Arabia
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Asif M, Kosar N, Sajid H, Qureshi S, Gilani MA, Ayub K, Arshad M, Imran M, Hamid MHS, Bayach I, Sheikh NS, Mahmood T. Exploring the Sensing Potential of g-C 3N 4 versus Li/g-C 3N 4 Nanoflakes toward Hazardous Organic Volatiles: A DFT Simulation Study. ACS OMEGA 2024; 9:3541-3553. [PMID: 38284053 PMCID: PMC10810007 DOI: 10.1021/acsomega.3c07350] [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: 09/23/2023] [Revised: 12/19/2023] [Accepted: 12/27/2023] [Indexed: 01/30/2024]
Abstract
Ab initio calculations were performed to determine the sensing behavior of g-C3N4 and Li metal-doped g-C3N4 (Li/g-C3N4) quantum dots toward toxic compounds acetamide (AA), benzamide (BA), and their thio-analogues, namely, thioacetamide (TAA) and thiobenzamide (TAA). For optimization and interaction energies, the ωB97XD/6-31G(d,p) level of theory was used. Interaction energies (Eint) illustrate the high thermodynamic stabilities of the designed complexes due to the presence of the noncovalent interactions. The presence of electrostatic forces in some complexes is also observed. The observed trend of Eint in g-C3N4 complexes was BA > TAA > AA > TBA, while in Li/g-C3N4, the trend was BA > AA > TBA > TAA. The electronic properties were studied by frontier molecular orbital (FMO) and natural bond orbital analyses. According to FMO, lithium metal doping greatly enhanced the conductivity of the complexes by generating new HOMOs near the Fermi level. A significant amount of charge transfer was also observed in complexes, reflecting the increase in charge conductivity. NCI and QTAIM analyses evidenced the presence of significant noncovalent dispersion and electrostatic forces in Li/g-C3N4 and respective complexes. Charge decomposition analysis gave an idea of the transfer of charge density between quantum dots and analytes. Finally, TD-DFT explained the optical behavior of the reported complexes. The findings of this study suggested that both bare g-C3N4 and Li/g-C3N4 can effectively be used as atmospheric sensors having excellent adsorbing properties toward toxic analytes.
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Affiliation(s)
- Misbah Asif
- Department
of Chemistry, COMSATS University Islamabad,
Abbottabad Campus, Abbottabad 22060, Pakistan
| | - Naveen Kosar
- Department
of Chemistry, University of Management and
Technology (UMT), C-11, Johar Town, Lahore 54782, Pakistan
| | - Hasnain Sajid
- School
of Science and Technology, Nottingham Trent
University, Clifton Lane, Nottingham NG11 8NS, U.K.
| | - Sana Qureshi
- Department
of Chemistry, COMSATS University Islamabad,
Abbottabad Campus, Abbottabad 22060, Pakistan
| | - Mazhar Amjad Gilani
- Department
of Chemistry, COMSATS University Islamabad,
Lahore Campus, Lahore 54000, Pakistan
| | - Khurshid Ayub
- Department
of Chemistry, COMSATS University Islamabad,
Abbottabad Campus, Abbottabad 22060, Pakistan
| | - Muhammad Arshad
- Institute
of Chemistry, The Islamia University of
Bahawalpur, Baghdad-ul-Jadeed Campus, Bahawalpur 63100, Pakistan
| | - Muhammad Imran
- Department
of Chemistry, Faculty of Science, King Khalid
University, P.O. Box 9004, Abha 61413, Saudi Arabia
| | - Malai Haniti S.
A. Hamid
- Chemical
Sciences, Faculty of Science, Universiti
Brunei Darussalam, Jalan Tungku
Link, Gadong BE1410, Brunei Darussalam
| | - Imene Bayach
- Department
of Chemistry, College of Science, King Faisal
University, Al-Ahsa 31982, Saudi Arabia
| | - Nadeem S. Sheikh
- Chemical
Sciences, Faculty of Science, Universiti
Brunei Darussalam, Jalan Tungku
Link, Gadong BE1410, Brunei Darussalam
| | - Tariq Mahmood
- Department
of Chemistry, COMSATS University Islamabad,
Abbottabad Campus, Abbottabad 22060, Pakistan
- Department
of Chemistry, College of Science, University
of Bahrain, P.O. Box 32038, Sakhir 1054, Bahrain
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Pinheiro SKDP, Lima AKM, Miguel TBAR, Filho AGS, Ferreira OP, Pontes MDS, Grillo R, Miguel EDC. Assessing toxicity mechanism of silver nanoparticles by using brine shrimp (Artemia salina) as model. CHEMOSPHERE 2024; 347:140673. [PMID: 37951401 DOI: 10.1016/j.chemosphere.2023.140673] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 11/06/2023] [Accepted: 11/07/2023] [Indexed: 11/14/2023]
Abstract
The acute toxicity of silver nanoparticles (AgNPs) in Artemia salina is primarily attributed to the interaction between silver ions (Ag+) and chitin, which constitutes the main structural component of the organism's cuticle. To investigate this interaction and gain a deeper understanding of its nature, geometric optimization calculations and symmetry-adapted perturbation theory (SAPT0) analysis were performed. These calculations aimed to determine the most favorable conformation based on the binding energies of silver ions with chitin and to elucidate the underlying mechanisms of their interaction. The results indicate an ionic effect dependent on the ion state, with simulations revealing that Ag3+ ions have the potential to cause significant deformation of the chitin structure. Furthermore, this study evaluated the behavior of AgNPs using nauplii of A. salina instar I, assessing both mortality rates and cell damage. Toxicity of AgNPs was observed in A. salina at concentrations of 50 and 100 ppm within a timeframe of 24-48 h. The toxicity of AgNPs can be attributed to their interaction with the cuticle and subsequent modification of the chitin structure through the binding of ionic silver. Light microscopy (LM) analysis confirmed the presence of AgNPs in the cuticle, while confocal laser scanning microscopy (CLSM) revealed cellular damage. In addition, this research offers new perspectives on the toxicity mechanism of AgNPs by introducing a novel model that explores the interaction of silver ions with the cuticle of A. salina. These insights are derived from a combination of atomistic models and ecotoxicology assays.
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Affiliation(s)
- Sergimar Kennedy de Paiva Pinheiro
- Biomaterials Laboratory (BIOMAT), Department of Metallurgical Engineering and Materials (DEMM) and Analytical Center, Federal University of Ceará - UFC, Campus do Pici, Fortaleza, Ce, Brazil
| | - Ana Kamila Medeiros Lima
- Biomaterials Laboratory (BIOMAT), Department of Metallurgical Engineering and Materials (DEMM) and Analytical Center, Federal University of Ceará - UFC, Campus do Pici, Fortaleza, Ce, Brazil
| | | | - Antonio Gomes Souza Filho
- Advanced Functional Materials Laboratory (LaMFA), Physics Department, Federal University of Ceará - UFC, Campus do Pici, Fortaleza, Ce, Brazil.
| | - Odair Pastor Ferreira
- Advanced Functional Materials Laboratory (LaMFA), Chemistry Department, State University of Londrina - UEL, Londrina, PR, Brazil
| | - Montcharles da Silva Pontes
- Optics and Photonics Group, SISFOTON Lab, Institute of Physics, Federal University of Mato Grosso do Sul (UFMS), Campo Grande, MS, Brazil
| | - Renato Grillo
- School of Engineering, Department of Physics and Chemistry, São Paulo State University (UNESP), Ilha Solteira, SP 15385-000, Brazil
| | - Emilio de Castro Miguel
- Biomaterials Laboratory (BIOMAT), Department of Metallurgical Engineering and Materials (DEMM) and Analytical Center, Federal University of Ceará - UFC, Campus do Pici, Fortaleza, Ce, Brazil.
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Zahid MN, Kosar N, Sajid H, Ibrahim KE, Gatasheh MK, Mahmood T. Unveiling the Potential of B 3O 3 Nanoflake as Effective Transporter for the Antiviral Drug Favipiravir: Density Functional Theory Analysis. Molecules 2023; 28:8092. [PMID: 38138581 PMCID: PMC10746011 DOI: 10.3390/molecules28248092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Revised: 11/23/2023] [Accepted: 11/28/2023] [Indexed: 12/24/2023] Open
Abstract
In this study, for the first time, boron oxide nanoflake is analyzed as drug carrier for favipiravir using computational studies. The thermodynamic stability of the boron oxide and favipiravir justifies the strong interaction between both species. Four orientations are investigated for the interaction between the favipiravir and the B3O3 nanoflake. The Eint of the most stable orientation is -26.98 kcal/mol, whereas the counterpoise-corrected energy is -22.59 kcal/mol. Noncovalent interaction index (NCI) and quantum theory of atoms in molecules (QTAIM) analyses are performed to obtain insights about the behavior and the types of interactions that occur between B3O3 nanoflake and favipiravir. The results indicate the presence of hydrogen bonding between the hydrogen in the favipiravir and the oxygen in the B3O3 nanoflake in the most stable complex (FAV@B3O3-C1). The electronic properties are investigated through frontier molecular orbital analysis, dipole moments and chemical reactivity descriptors. These parameters showed the significant activity of B3O3 for favipiravir. NBO charge analysis transfer illustrated the charge transfer between the two species, and UV-VIS analysis confirmed the electronic excitation. Our work suggested a suitable drug carrier system for the antiviral drug favipiravir, which can be considered by the experimentalist for better drug delivery systems.
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Affiliation(s)
- Muhammad Nauman Zahid
- Department of Biology, College of Science, University of Bahrain, Sakhir P.O. Box 32038, Bahrain;
| | - Naveen Kosar
- Department of Chemistry, University of Management and Technology (UMT), C-11, Johar Town Lahore, Lahore 54770, Pakistan;
| | - Hasnain Sajid
- School of Science and Technology, Nottingham Trent University, Clifton Lane, Nottingham NG11 8NS, UK;
| | - Khalid Elfaki Ibrahim
- Department of Zoology, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia;
| | - Mansour K. Gatasheh
- Department of Biochemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia;
| | - Tariq Mahmood
- Department of Chemistry, COMSATS University, Abbottabad Campus, Abbottabad 22060, Pakistan
- Department of Chemistry, College of Science, University of Bahrain, Sakhir P.O. Box 32038, Bahrain
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Ahsan A, Fayyaz F, Sarfaraz S, Hamid MHS, Keasberry NA, Ayub K, Sheikh NS. A three orders of magnitude increase in nonlinear optical response by external electric field on Cryptand[2.2.2] (C222) based alkaline earthides. Heliyon 2023; 9:e17610. [PMID: 37455946 PMCID: PMC10338364 DOI: 10.1016/j.heliyon.2023.e17610] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 06/22/2023] [Accepted: 06/22/2023] [Indexed: 07/18/2023] Open
Abstract
A new series of alkaline earthides based on Cryptand [2.2.2] (C222) containing nine complexes is designed by carefully placing alkali metals and alkaline earth metals inside and outside the C222 complexant, respectively i.e., M1(C222)M2 (M1 = Li, Na, K; M2 = Be, Mg, Ca). The designed complexes are reasonably stable both electronically and thermodynamically, as revealed through their vertical ionization potentials (VIPs) and interaction energies, respectively. Moreover, the true alkaline earthide nature of the complexes is confirmed through NBO and FMO analyses showing the negative charges and HOMOs over the alkaline earth metals, respectively. The further validity of true earthide characteristic is represented graphically by the spectra of partial density of states (PDOS). HOMO-LUMO gaps of the compounds are also very small (from 2.23 to 2.83 eV) when compared with pure cage's (C222) H-L gap i.e., 5.63 eV. All these features award these complexes with very small values of transition energies (ΔE) ranging from 0.68 to 2.06 eV ultimately resulting in remarkably high hyperpolarizability values up to 2.7 × 105 au (for Na+(C222)Mg-). Furthermore, applying external electric field (EEF) on the complexes enhances hyperpolarizability further. A remarkable increase of 1000 folds has been seen when hyperpolarizability of K+(C222)Ca- is calculated after EEF application i.e., from 8.79 × 104 au to 2.48 × 107 au; when subjected to 0.001 au external electric field.
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Affiliation(s)
- Annum Ahsan
- Department of Chemistry, COMSATS University Islamabad, Abbottabad Campus, Abbottabad, KPK, 22060, Pakistan
| | - Faiza Fayyaz
- Department of Chemistry, COMSATS University Islamabad, Abbottabad Campus, Abbottabad, KPK, 22060, Pakistan
| | - Sehrish Sarfaraz
- Department of Chemistry, COMSATS University Islamabad, Abbottabad Campus, Abbottabad, KPK, 22060, Pakistan
| | - Malai Haniti S.A. Hamid
- Chemical Sciences, Faculty of Science, Universiti Brunei Darussalam, Jalan Tungku Link, Gadong, BE1410, Brunei Darussalam
| | - Natasha A. Keasberry
- Chemical Sciences, Faculty of Science, Universiti Brunei Darussalam, Jalan Tungku Link, Gadong, BE1410, Brunei Darussalam
| | - Khurshid Ayub
- Department of Chemistry, COMSATS University Islamabad, Abbottabad Campus, Abbottabad, KPK, 22060, Pakistan
| | - Nadeem S. Sheikh
- Chemical Sciences, Faculty of Science, Universiti Brunei Darussalam, Jalan Tungku Link, Gadong, BE1410, Brunei Darussalam
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Hammud HH, Yar M, Bayach I, Ayub K. Covalent Triazine Framework C 6N 6 as an Electrochemical Sensor for Hydrogen-Containing Industrial Pollutants. A DFT Study. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:1121. [PMID: 36986015 PMCID: PMC10053058 DOI: 10.3390/nano13061121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 03/07/2023] [Accepted: 03/15/2023] [Indexed: 06/18/2023]
Abstract
Industrial pollutants pose a serious threat to ecosystems. Hence, there is a need to search for new efficient sensor materials for the detection of pollutants. In the current study, we explored the electrochemical sensing potential of a C6N6 sheet for H-containing industrial pollutants (HCN, H2S, NH3 and PH3) through DFT simulations. The adsorption of industrial pollutants over C6N6 occurs through physisorption, with adsorption energies ranging from -9.36 kcal/mol to -16.46 kcal/mol. The non-covalent interactions of analyte@C6N6 complexes are quantified by symmetry adapted perturbation theory (SAPT0), quantum theory of atoms in molecules (QTAIM) and non-covalent interaction (NCI) analyses. SAPT0 analyses show that electrostatic and dispersion forces play a dominant role in the stabilization of analytes over C6N6 sheets. Similarly, NCI and QTAIM analyses also verified the results of SAPT0 and interaction energy analyses. The electronic properties of analyte@C6N6 complexes are investigated by electron density difference (EDD), natural bond orbital analyses (NBO) and frontier molecular orbital analyses (FMO). Charge is transferred from the C6N6 sheet to HCN, H2S, NH3 and PH3. The highest exchange of charge is noted for H2S (-0.026 e-). The results of FMO analyses show that the interaction of all analytes results in changes in the EH-L gap of the C6N6 sheet. However, the highest decrease in the EH-L gap (2.58 eV) is observed for the NH3@C6N6 complex among all studied analyte@C6N6 complexes. The orbital density pattern shows that the HOMO density is completely concentrated on NH3, while the LUMO density is centred on the C6N6 surface. Such a type of electronic transition results in a significant change in the EH-L gap. Thus, it is concluded that C6N6 is highly selective towards NH3 compared to the other studied analytes.
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Affiliation(s)
- Hassan H. Hammud
- Department of Chemistry, College of Science, King Faisal University, Al-Ahsa 31982, Saudi Arabia
| | - Muhammad Yar
- Department of Chemistry, COMSATS University Islamabad, Abbottabad Campus, KPK, Islamabad 22060, Pakistan
| | - Imene Bayach
- Department of Chemistry, College of Science, King Faisal University, Al-Ahsa 31982, Saudi Arabia
| | - Khurshid Ayub
- Department of Chemistry, COMSATS University Islamabad, Abbottabad Campus, KPK, Islamabad 22060, Pakistan
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Al-Faiyz YSS, Sarfaraz S, Yar M, Munsif S, Khan AA, Amin B, Sheikh NS, Ayub K. Efficient Detection of Nerve Agents through Carbon Nitride Quantum Dots: A DFT Approach. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:251. [PMID: 36678006 PMCID: PMC9864457 DOI: 10.3390/nano13020251] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 12/29/2022] [Accepted: 01/01/2023] [Indexed: 06/17/2023]
Abstract
V-series nerve agents are very lethal to health and cause the inactivation of acetylcholinesterase which leads to neuromuscular paralysis and, finally, death. Therefore, rapid detection and elimination of V-series nerve agents are very important. Herein, we have carried out a theoretical investigation of carbon nitride quantum dots (C2N) as an electrochemical sensor for the detection of V-series nerve agents, including VX, VS, VE, VG, and VM. Adsorption of V-series nerve agents on C2N quantum dots is explored at M05-2X/6-31++G(d,p) level of theory. The level of theory chosen is quite adequate in systems describing non-bonding interactions. The adsorption behavior of nerve agents is characterized by interaction energy, non-covalent interaction (NCI), Bader's quantum theory of atoms in molecules (QTAIM), frontier molecular orbital (FMO), electron density difference (EDD), and charge transfer analysis. The computed adsorption energies of the studied complexes are in the range of -12.93 to -17.81 kcal/mol, which indicates the nerve agents are physiosorbed onto C2N surface through non-covalent interactions. The non-covalent interactions between V-series and C2N are confirmed through NCI and QTAIM analysis. EDD analysis is carried out to understand electron density shifting, which is further validated by natural bond orbital (NBO) analysis. FMO analysis is used to estimate the changes in energy gap of C2N on complexation through HOMO-LUMO energies. These findings suggest that C2N surface is highly selective toward VX, and it might be a promising candidate for the detection of V-series nerve agents.
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Affiliation(s)
- Yasair S. S. Al-Faiyz
- Department of Chemistry, College of Science, King Faisal University, Al-Ahsa 31982, Saudi Arabia
| | - Sehrish Sarfaraz
- Department of Chemistry, COMSATS University Islamabad, Abbottabad Campus, Abbottabad 22060, Pakistan
| | - Muhammad Yar
- Department of Chemistry, COMSATS University Islamabad, Abbottabad Campus, Abbottabad 22060, Pakistan
| | - Sajida Munsif
- Department of Chemistry, COMSATS University Islamabad, Abbottabad Campus, Abbottabad 22060, Pakistan
| | - Adnan Ali Khan
- Centre for Computational Materials Science, University of Malakand, Chakdara 18800, Pakistan
- Department of Chemistry, University of Malakand, Chakdara 18800, Pakistan
| | - Bin Amin
- Department of Physics, Abbottabad University of Science & Technology, Abbottabad 22010, Pakistan
| | - Nadeem S. Sheikh
- Chemical Sciences, Faculty of Science, Universiti Brunei Darussalam, Jalan Tungku Link, Gadong BE1410, Brunei
| | - Khurshid Ayub
- Department of Chemistry, COMSATS University Islamabad, Abbottabad Campus, Abbottabad 22060, Pakistan
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Synthesis, DFT Studies, Molecular Docking and Biological Activity Evaluation of Thiazole-Sulfonamide Derivatives as Potent Alzheimer's Inhibitors. MOLECULES (BASEL, SWITZERLAND) 2023; 28:molecules28020559. [PMID: 36677616 PMCID: PMC9860845 DOI: 10.3390/molecules28020559] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 11/18/2022] [Accepted: 12/30/2022] [Indexed: 01/09/2023]
Abstract
Alzheimer's disease is a major public brain condition that has resulted in many deaths, as revealed by the World Health Organization (WHO). Conventional Alzheimer's treatments such as chemotherapy, surgery, and radiotherapy are not very effective and are usually associated with several adverse effects. Therefore, it is necessary to find a new therapeutic approach that completely treats Alzheimer's disease without many side effects. In this research project, we report the synthesis and biological activities of some new thiazole-bearing sulfonamide analogs (1-21) as potent anti-Alzheimer's agents. Suitable characterization techniques were employed, and the density functional theory (DFT) computational approach, as well as in-silico molecular modeling, has been employed to assess the electronic properties and anti-Alzheimer's potency of the analogs. All analogs exhibited a varied degree of inhibitory potential, but analog 1 was found to have excellent potency (IC50 = 0.10 ± 0.05 µM for AChE) and (IC50 = 0.20 ± 0.050 µM for BuChE) as compared to the reference drug donepezil (IC50 = 2.16 ± 0.12 µM and 4.5 ± 0.11 µM). The structure-activity relationship was established, and it mainly depends upon the nature, position, number, and electron-donating/-withdrawing effects of the substituent/s on the phenyl rings.
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Ullah H, Zada H, Khan F, Hayat S, Rahim F, Hussain A, Manzoor A, Wadood A, Ayub K, Rehman AU, Sarfaraz S. Benzimidazole bearing thiourea analogues: Synthesis, β-glucuronidase inhibitory potential and their molecular docking study. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.133941] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
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10
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Li X, Zheng Y, Wu W, Jin M, Zhou Q, Fu L, Zare N, Karimi F, Moghadam M. Graphdiyne applications in sensors: A bibliometric analysis and literature review. CHEMOSPHERE 2022; 307:135720. [PMID: 35843425 DOI: 10.1016/j.chemosphere.2022.135720] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Revised: 06/19/2022] [Accepted: 07/11/2022] [Indexed: 06/15/2023]
Abstract
Graphdiyne is a two-dimensional carbon nanomaterial synthesized artificially in 2010. Its outstanding performance is considered to have great potential in different fields. This article summarizes the work of graphdiyne in the sensing field by literature summary and bibliometrics analysis. The development of graphdiyne in the field of sensing has gone through a process from theoretical calculation to experimental verification. Especially in the last three years, there has been very rapid development. The theoretical calculations suggest that graphdiyne is an excellent gas sensing material, but there is little experimental evidence in this direction. On the contrary, graphdiyne has been widely reported in the field of electrochemical sensing. At the same time, graphdiyne can also be used as a molecular switch for DNA sequencing. Fluorescent sensors based on graphdiyne have also been reported. In general, the potential of graphdiyne in sensing still needs to be explored. Current research results do not show that graphdiyne has irreplaceable advantages in sensing. The bibliometric analysis used in this review also provides cooperative network analysis and co-citation analysis on this topic. This provides a reference for the audience wishing to undertake research on the topic. In addition, according to the analysis, we also listed the direction that which this field deserves attention in the future.
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Affiliation(s)
- Xiaolong Li
- College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou, 310018, China
| | - Yuhong Zheng
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences (Nanjing Botanical Garden, Memorial Sun Yat-Sen), Nanjing, 210014, China
| | - Weihong Wu
- College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou, 310018, China.
| | - Meiqing Jin
- College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou, 310018, China
| | - Qingwei Zhou
- College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou, 310018, China
| | - Li Fu
- College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou, 310018, China.
| | - Najmeh Zare
- Department of Chemical Engineering, Quchan University of Technology, Quchan, Iran
| | - Fatemeh Karimi
- Department of Chemical Engineering, Quchan University of Technology, Quchan, Iran
| | - Majid Moghadam
- Department of Chemistry, University of Isfahan, Isfahan, 81746-73441, Iran.
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Cruz ÁB, Francisco de Carvalho R, Silva TS, de Almeida Sarmento R, Cavallini GS, Pereira DH. Adsorptive capacity of a g-C3N4 matrix for thiamethoxam removal: A DFT study. COMPUT THEOR CHEM 2022. [DOI: 10.1016/j.comptc.2022.113816] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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12
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SF6 and SOF2 interaction studies on novel Tricycle Red Phosphorene sheets based on first-principles studies. Chem Phys Lett 2022. [DOI: 10.1016/j.cplett.2022.139674] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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13
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Sarfaraz S, Yar M, Ali Khan A, Ahmad R, Ayub K. DFT investigation of adsorption of nitro-explosives over C2N surface: Highly selective towards trinitro benzene. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.118652] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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14
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Rafique J, Afzal QQ, Perveen M, Iqbal J, Akhter MS, Nazir S, Al-Buriahi MS, Alomairy S, Alrowaili ZA. Drug delivery of carvedilol (cardiovascular drug) using phosphorene as a drug carrier: a DFT study. JOURNAL OF TAIBAH UNIVERSITY FOR SCIENCE 2022. [DOI: 10.1080/16583655.2021.2021789] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Javeria Rafique
- Department of Chemistry, University of Agriculture, Faisalabad, Pakistan
| | - Qaba Qusain Afzal
- Department of Chemistry, University of Agriculture, Faisalabad, Pakistan
| | - Mehvish Perveen
- Department of Chemistry, University of Agriculture, Faisalabad, Pakistan
| | - Javed Iqbal
- Department of Chemistry, University of Agriculture, Faisalabad, Pakistan
- Punjab Bio-Energy Institute, University of Agriculture, Faisalabad, Pakistan
| | | | - Sidra Nazir
- Faisalabad Institute of Cardiology, Faisalabad, Pakistan
| | | | - Sultan Alomairy
- Department of Physics, College of Science, Taif University, Taif, Saudi Arabia
| | - Z. A. Alrowaili
- Department of Physics, College of Science, Jouf University, Sakaka, Saudi Arabia
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15
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Nagarajan V, Chandiramouli R. Sorption studies and removal of chlortetracycline and oxytetracycline using theta phosphorene nanoribbon – A DFT outlook. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2021.117070] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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16
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Adsorption behaviour of sulfisoxazole molecules on tricycle arsenene nanoribbon - a first-principles study. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.117635] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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17
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Molecular interaction studies of styrene on single and double-walled square-octagon phosphorene nanotubes – First-principles investigation. Chem Phys Lett 2021. [DOI: 10.1016/j.cplett.2021.139149] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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18
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Nagarajan V, Sundar S, Chandiramouli R. Interaction studies of tuberculosis biomarker vapours on novel beta arsenene sheets – A DFT insight. COMPUT THEOR CHEM 2021. [DOI: 10.1016/j.comptc.2021.113426] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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19
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Nagarajan V, Chandiramouli R. ϕ-Phosphorene sheets as adsorbing medium for dichloromethane and tetrachloroethylene molecules – a DFT outlook. Mol Phys 2021. [DOI: 10.1080/00268976.2021.1986163] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- V. Nagarajan
- School of Electrical and Electronics Engineering, SASTRA Deemed University, Thanjavur, India
| | - R. Chandiramouli
- School of Electrical and Electronics Engineering, SASTRA Deemed University, Thanjavur, India
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20
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Interaction studies of benzene and phenol on novel 4–8 arsenene nanotubes – A DFT insight. COMPUT THEOR CHEM 2021. [DOI: 10.1016/j.comptc.2021.113381] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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21
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Twisted bilayer arsenene sheets as a chemical sensor for toluene and M-xylene vapours - A DFT investigation. J Mol Graph Model 2021; 109:108034. [PMID: 34555724 DOI: 10.1016/j.jmgm.2021.108034] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2021] [Revised: 09/02/2021] [Accepted: 09/09/2021] [Indexed: 12/14/2022]
Abstract
2D (two-dimensional) materials are emerging in today's world. Among the 2D materials, arsenene sheets are prominently used as chemical and biosensors. In the present work, the twisted bilayer arsenene sheets (TB-AsNS) are used to adsorb toluene and M-xylene vapours. Moreover, the band gap of pristine TB-AsNS is calculated to be 0.437 eV. Besides, the surface adsorption of toluene and M-xylene vapours modify the electronic properties of TB-AsNS noticed from the band structure, density of states, and electron density difference diagrams. The surface assimilation of target toluene and M-xylene on TB-AsNS falls in the physisorption regime facilitating the adsorption and desorption of molecules. Also, the charge transfer analysis infers that TB-AsNS acts as acceptor and target molecules play as donors. The findings support that TB-AsNS can be used as a sensing medium towards M-xylene and toluene.
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22
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Ramirez-de-Arellano JM, Canales M, Magaña LF. Carbon Nanostructures Doped with Transition Metals for Pollutant Gas Adsorption Systems. Molecules 2021; 26:5346. [PMID: 34500783 PMCID: PMC8434604 DOI: 10.3390/molecules26175346] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Revised: 08/28/2021] [Accepted: 08/31/2021] [Indexed: 12/15/2022] Open
Abstract
The adsorption of molecules usually increases capacity and/or strength with the doping of surfaces with transition metals; furthermore, carbon nanostructures, i.e., graphene, carbon nanotubes, fullerenes, graphdiyne, etc., have a large specific area for gas adsorption. This review focuses on the reports (experimental or theoretical) of systems using these structures decorated with transition metals for mainly pollutant molecules' adsorption. Furthermore, we aim to present the expanding application of nanomaterials on environmental problems, mainly over the last 10 years. We found a wide range of pollutant molecules investigated for adsorption in carbon nanostructures, including greenhouse gases, anticancer drugs, and chemical warfare agents, among many more.
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Affiliation(s)
- J. M. Ramirez-de-Arellano
- Escuela de Ingeniería y Ciencias, Tecnologico de Monterrey, Av. Eugenio Garza Sada 2501, Monterrey 64849, Mexico;
| | - M. Canales
- Universidad Autónoma Metropolitana Unidad Azcapotzalco, Av. San Pablo Xalpa No. 180, Colonia Reynosa Tamaulipas, Delegación Azcapotzalco, Ciudad de México 02200, Mexico;
| | - L. F. Magaña
- Instituto de Física, Universidad Nacional Autónoma de Mexico, Apartado Postal 20-364, Ciudad de México 01000, Mexico
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23
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Nagarajan V, Chandiramouli R. Adsorption behaviour of trichloropropane and tetrachloroethylene on δ-phosphorene sheets: A first-principles insight. COMPUT THEOR CHEM 2021. [DOI: 10.1016/j.comptc.2021.113347] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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24
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Jyothi M, Nagarajan V, Chandiramouli R. Interaction studies of dichlobenil and isoproturon on square-octagon phosphorene nanotube based on DFT frame work. Chem Phys Lett 2021. [DOI: 10.1016/j.cplett.2021.138773] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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25
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Nagarajan V, Chandiramouli R. Molecular adsorption studies of formaldehyde and methanol on novel twisted bilayer beta phosphorene sheets – a first-principles investigation. Mol Phys 2021. [DOI: 10.1080/00268976.2021.1966535] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- V. Nagarajan
- School of Electrical & Electronics Engineering, SASTRA Deemed University, Tirumalaisamudram, India
| | - R. Chandiramouli
- School of Electrical & Electronics Engineering, SASTRA Deemed University, Tirumalaisamudram, India
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26
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Asif M, Sajid H, Ayub K, Gilani MA, Akhter MS, Mahmood T. Electrochemical sensing behavior of graphdiyne nanoflake towards uric acid: a quantum chemical approach. J Mol Model 2021; 27:244. [PMID: 34373938 DOI: 10.1007/s00894-021-04860-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Accepted: 07/28/2021] [Indexed: 11/30/2022]
Abstract
Though the gas sensing applications of graphdiyne have widely reported; however, the biosensing utility of graphdiyne needs to be explored. This study deals with the sensitivity of graphdiyne nanoflake (GDY) towards the uric acid (UA) within the density functional framework. The uric acid is allowed to interact with graphdiyne nanoflake from all the possible orientations. Based on these interacting geometries, the complexes are differentiated with naming, i.e., UA1@GDY, UA2@GDY, UA3@GDY, and UA4@GDY (Fig. 1). The essence of interface interactions of UA on GDY is derived by computing geometric, energetic, electronic, and optical properties. The adsorbing affinity of complexes is evaluated at ωB97XD/6-31 + G(d, p) level of theory. The stabilities of the complexes are quantified through the interaction energies (Eint) with reasonable accuracy. The calculated Eint of the UA1@GDY, UA2@GDY, UA3@GDY, and UA4@GDY complexes are - 31.13, - 25.87, - 20.59, and - 16.54 kcal/mol, respectively. In comparison with geometries, it is revealed that the higher stability of complexes is facilitated by π-π stacking. Other energetic analyses including symmetry adopted perturbation theory (SAPT), noncovalent interaction index (NCI), and quantum theory of atoms in molecule (QTAIM) provide the evidence of dominating dispersion energy in stabilizing the resultant complexes. The HOMO-LUMO energies, NBO charge transfer, and UV-vis analysis justify the higher electronic transition in UA1@GDY, plays a role of higher sensitivity of GDY towards the π-stacked geometries over all other possible interaction orientations. The present findings bestow the higher sensitivity of GDY towards uric acid via π-stacking interactions. Fig. 1 Optimized geometries (with interaction distances in Å) of UA@GDY complexes.
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Affiliation(s)
- Misbah Asif
- Department of Chemistry, COMSATS University Islamabad, Abbottabad Campus, Abbottabad, 22060, Pakistan
| | - Hasnain Sajid
- Department of Chemistry, COMSATS University Islamabad, Abbottabad Campus, Abbottabad, 22060, Pakistan
| | - Khurshid Ayub
- Department of Chemistry, COMSATS University Islamabad, Abbottabad Campus, Abbottabad, 22060, Pakistan
| | - Mazhar Amjad Gilani
- Department of Chemistry, COMSATS University Islamabad, Lahore Campus, Lahore, Pakistan
| | | | - Tariq Mahmood
- Department of Chemistry, COMSATS University Islamabad, Abbottabad Campus, Abbottabad, 22060, Pakistan. .,Department of Chemistry, College of Science, University of Bahrain, Zallaq, Bahrain.
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27
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Bhuvaneswari R, Nagarajan V, Chandiramouli R. Red tricycle phosphorene nanoribbon as a removing medium of sulfadiazine and sulfamethoxazole molecules based on first-principles studies. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.116294] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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28
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Nagarajan V, Chandiramouli R. Sorption studies of sulfadimethoxine and tetracycline molecules on β-antimonene nanotube - A first-principles insight. J Mol Graph Model 2021; 108:107988. [PMID: 34325354 DOI: 10.1016/j.jmgm.2021.107988] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 07/03/2021] [Accepted: 07/12/2021] [Indexed: 10/20/2022]
Abstract
We ascertained the structural firmness of β-antimonene nanotube and studied the adsorption behaviour of sulfadimethoxine (SM) and tetracycline (TC) molecules on the base substrate using density functional theory (DFT) with B86LYP-D3 level of theory. Significantly, β-antimonene nanotube displays a semiconducting character with an energy band-gap of 0.263 eV. The three dissimilar preferential adsorption sites namely, bride-, hollow-, tube-inner site of SM and TC molecules on β-antimonene nanotube were investigated using average band gap changes, Bader charge transfer along with adsorption energy. Further, the calculated adsorption energy for preferential adsorption sites is noticed to be in the scope of -0.813 eV to -3.752 eV signifying to physisorption and chemisorption form of interaction on β-antimonene nanotube. The inclusive outcome recommends that β-antimonene nanotube can be deployed as a chemi-resistive sensor to sense and remove SM and TC molecules from the contaminated aqueous medium.
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Affiliation(s)
- V Nagarajan
- School of Electrical & Electronics Engineering SASTRA Deemed University, Tirumalaisamudram, Thanjavur, 613 401, India
| | - R Chandiramouli
- School of Electrical & Electronics Engineering SASTRA Deemed University, Tirumalaisamudram, Thanjavur, 613 401, India.
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29
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Zipper phosphorene as sensing element towards formaldehyde and acetaldehyde - A first-principles insight. J Mol Graph Model 2021; 107:107971. [PMID: 34217025 DOI: 10.1016/j.jmgm.2021.107971] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Revised: 06/15/2021] [Accepted: 06/15/2021] [Indexed: 12/23/2022]
Abstract
We ascertained the structural stability of zipper phosphorene nanosheet (zP-NS) and studied the adsorption behaviour of toxic aldehyde compounds including formaldehyde (FD) and acetaldehyde (AD) on zP-NS based on first-principles calculation. Considerably, zP-NS reveal a semiconducting character with band gap of 1.35 eV. Especially, four distinct favourable adsorption positions including bridge-, hollow-, top- and valley-site of FD and AD vapours on zP-NS were investigated. Furthermore, the calculated binding-energy of prominent adsorption sites are observed to be in the scope of -0.143 eV to -0.411 eV advocating physisorption nature of the interaction of chief aldehydes on zP-NS. The overall outcomes recommend that zP-NS can be persuasively utilised as a chemical sensor for monitoring FD and AD molecules in indoor air environment.
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30
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Nagarajan V, Chandiramouli R. Chlorobenzene and 1, 4-dichlorobenzene adsorption studies on θ-Arsenene nanosheet – a first-principles analysis. Mol Phys 2021. [DOI: 10.1080/00268976.2021.1936248] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- V. Nagarajan
- School of Electrical & Electronics Engineering, SASTRA Deemed University, Thanjavur, India
| | - R. Chandiramouli
- School of Electrical & Electronics Engineering, SASTRA Deemed University, Thanjavur, India
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31
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Khan S, Sajid H, Ayub K, Mahmood T. Sensing of toxic Lewisite (L
1
, L
2
, and L
3
) molecules by graphdiyne nanoflake using density functional theory calculations and quantum theory of atoms in molecule analysis. J PHYS ORG CHEM 2020. [DOI: 10.1002/poc.4181] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Sidra Khan
- Department of Chemistry COMSATS University Islamabad‐Abbottabad Campus Abbottabad Pakistan
| | - Hasnain Sajid
- Department of Chemistry COMSATS University Islamabad‐Abbottabad Campus Abbottabad Pakistan
| | - Khurshid Ayub
- Department of Chemistry COMSATS University Islamabad‐Abbottabad Campus Abbottabad Pakistan
| | - Tariq Mahmood
- Department of Chemistry COMSATS University Islamabad‐Abbottabad Campus Abbottabad Pakistan
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32
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Jadoon T, Mahmood T, Ayub K. Silver cluster (Ag 6) decorated coronene as non-enzymatic sensor for glucose and H 2O 2. J Mol Graph Model 2020; 103:107824. [PMID: 33360482 DOI: 10.1016/j.jmgm.2020.107824] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Revised: 12/04/2020] [Accepted: 12/08/2020] [Indexed: 01/09/2023]
Abstract
Silver-graphene quantum dots are promising electrochemical sensors due to their unique electronic properties. Herein, we report the comprehensive DFT study to explore the electronic properties of silver cluster (Ag6) decorated coronene as model for silver graphene quantum dots. The current study aims to investigate the sensing ability of silver-coronene complex for non-enzymatic electrochemical detection of glucose & H2O2. The stability of the complexes of analytes with silver decorated coronene is supported by their greater interaction energies (-36.7 to -44.9 kcal mol-1). NBO charge analysis and charge decomposition analysis (CDA) reveal donor-acceptor charge transfer interactions in the complexes. Frontier molecular orbital analysis illustrates that charge is transferred from analytes to silver decorated coronene during excitation from HOMO to LUMO. The Uv-visible results show that λmax is red shifted during interactions of analytes with silver decorated coronene. The NCI analysis illustrates the strong non-covalent (M … O) and unusual M … H-O interactions in the complexes. The precedent sensing performance of Ag6-coronene might be attributed to the synergistic effect of both silver clusters and coronene in the composite. The evaluated results validate the excellent sensing ability of silver-graphene quantum dots for the detection of glucose & H2O2. The outcome of the current study and its prospects will open the avenue for the rational development of smart sensors.
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Affiliation(s)
- Tabish Jadoon
- Department of Chemistry, COMSATS University Abbottabad Campus, 22060, Pakistan
| | - Tariq Mahmood
- Department of Chemistry, COMSATS University Abbottabad Campus, 22060, Pakistan
| | - Khurshid Ayub
- Department of Chemistry, COMSATS University Abbottabad Campus, 22060, Pakistan.
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