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Noudem P, Fouejio D, Mveme CDD, Nya FT, Zekeng SS. Electronic, nonlinear optical, UV-vis and NBO analysis of methyl methacrylate for optoelectronic and optical applications: DFT study and impact of conformation. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 303:123267. [PMID: 37598450 DOI: 10.1016/j.saa.2023.123267] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Revised: 07/24/2023] [Accepted: 08/15/2023] [Indexed: 08/22/2023]
Abstract
Using Density Functional Theory (DFT) and time-dependent DFT (TD-DFT), we studied a compound widely used in daily life, namely: Methyl Methacrylate (MMA) monomer in its two stable isomers, cis-MMA and trans-MMA. The impact of conformation on the optical and electronic properties of MMA was highlighted. Structural parameters and thermodynamic properties were also assessed, and allowed to discuss the stability and reactivity of this compound. In addition, analysis of optoelectronic and electronic properties, global reactivity descriptors, natural bond orbital (NBO), and hole and electron reorganization energies was performed. The absorption and fluorescence properties, as well as the linear and nonlinear optical (NLO) properties of MMA were also investigated. The findings show that MMA is an insulator due to its wide band gap of 6.20 eV. It also exhibits good optoelectronic properties with high average electric field values of about 5.90 × 109 Vm-1 for cis-MMA and 5.42 × 109 Vm-1 for trans-MMA and high electric displacement values of at least 14.65 × 10-2 cm-2 for cis-MMA and 14.33 × 10-2 cm-2 for trans-MMA, suggesting a potential use for the design of piezoelectric and pyroelectric materials. In addition, trans-MMA has a dielectric constant close to that of good insulators; while cis-MMA exhibits a dielectric behaviour close to that of polymeric substances. Further, these materials are thermodynamically stable in its two conformations, with a good reactivity which can lead to good ability of polymerization. The analysis of the UV-vis spectra revealed that both forms of MMA absorb and emit mainly in the UV and that the Stokes shift of MMA is low, reducing its potential use in devices such as solar cells. At NLO level, MMA isomers exhibit weak optical properties such as second- and third-order optical susceptibility and cannot suitable for second and third harmonic generation; however, the conformation enhances second-order NLO response by at least 2 times when moving from cis- to trans-MMA, whereas the third-order response is almost unaffected. In addition, the conformation also affects the electronic and optoelectronic properties of MMA.
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Affiliation(s)
- P Noudem
- Mechanic, Materials and complex structures Laboratory, Department of Physics, Faculty of Science, University of Yaoundé I, P.O. Box 812, Yaoundé, Cameroon
| | - D Fouejio
- Mechanic, Materials and complex structures Laboratory, Department of Physics, Faculty of Science, University of Yaoundé I, P.O. Box 812, Yaoundé, Cameroon.
| | - C D D Mveme
- Materials Science Laboratory, Department of Physics, Faculty of Science, University of Maroua, P.O. Box 814, Maroua, Cameroon
| | - F Tchangnwa Nya
- Materials Science Laboratory, Department of Physics, Faculty of Science, University of Maroua, P.O. Box 814, Maroua, Cameroon
| | - S S Zekeng
- Mechanic, Materials and complex structures Laboratory, Department of Physics, Faculty of Science, University of Yaoundé I, P.O. Box 812, Yaoundé, Cameroon
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DFT study of therapeutic potential of graphitic carbon nitride as a carrier for controlled release of melphalan: an anticancer drug. J Mol Model 2022; 28:359. [PMID: 36227378 DOI: 10.1007/s00894-022-05337-y] [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: 04/23/2022] [Accepted: 09/28/2022] [Indexed: 10/17/2022]
Abstract
In the present research, the drug-delivery efficiency of graphitic carbon nitride (g-CN) for melphalan (an anti-cancer drug) was evaluated. To investigate the efficacy of g-CN as a drug-delivery system, the electronic properties of melphalan drug, g-CN, and g-CN-melphalan were calculated at the ground and excited states. The adsorption energy calculated for g-CN-melphalan complex in the water phase is - 1.51 eV. The interactions between g-CN and melphalan were investigated by a non-covalent interactions (NCl) analysis, which showed that there were weak interactions between g-CN and melphalan drug. These low intermolecular forces will allow for easy off-loading of the melphalan at the targeted site. Frontier molecular-orbitals (FMOs) analysis showed that the charge was transferred from melphalan to g-CN during the excitation process. Charge transfer was studied by charge decomposition analysis. Calculations at the excited state revealed that the g-CN-melphalan complex's λmax showed a redshift of 15 nm and 39 nm in the gas and water phase, respectively. The photoinduced electron transfer (PET) process was studied for 1-2 excited state by using electron hole theory. PET process suggests that fluorescence quenching may take place. The findings demonstrated that g-CN can be used as a drug-delivery system for melphalan drug to treat cancer. This investigation may also encourage more consideration of different 2D substances for drug delivery.
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Afsar N, Jonathan DR, Satheesh D, Manivannan S. Computational description of quantum chemical calculations and pharmacological studies of the synthesized chalcone derivative: A promising NLO material. J INDIAN CHEM SOC 2022. [DOI: 10.1016/j.jics.2022.100655] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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E. E, Prasana JC, Muthu S, Anuradha A. Molecular Structure, Spectroscopic, Quantum Computational, and Molecular Docking Investigations on Propyl Gallate. Polycycl Aromat Compd 2022. [DOI: 10.1080/10406638.2022.2107688] [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]
Affiliation(s)
- Eunice E.
- Department of Physics, Madras Christian College, East Tambaram, Tamil Nadu, India
- University of Madras, Chennai, Tamil Nadu, India
| | - Johanan Christian Prasana
- Department of Physics, Madras Christian College, East Tambaram, Tamil Nadu, India
- University of Madras, Chennai, Tamil Nadu, India
| | - S. Muthu
- Department of Physics, Arignar Anna Government Arts College, Cheyyar, Tamil Nadu, India
- Department of Physics, Puratchi Thalaivar Dr. M. G. R Government Arts and Science College, Uthiramerur, Tamil Nadu, India
| | - A. Anuradha
- University of Madras, Chennai, Tamil Nadu, India
- PG & Research Department of Physics, Queen Mary’s College, Chennai, Tamil Nadu, India
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Ilyas M, Ayu AR, Shehzad RA, Khan MA, Perveen M, Amin S, Muhammad S, Iqbal J. A DFT approach for finding therapeutic potential of two dimensional (2D) graphitic carbon nitride (GCN) as a drug delivery carrier for curcumin to treat cardiovascular diseases. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.132547] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Jaffar K, Riaz S, Qusain Afzal Q, Perveen M, Asif Tahir M, Nazir S, Iqbal J, Alrowaili Z, Somaily H, Al-Buriahi M. A DFT approach towards therapeutic potential of phosphorene as a novel carrier for the delivery of Felodipine (cardiovascular drug). COMPUT THEOR CHEM 2022. [DOI: 10.1016/j.comptc.2022.113724] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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7
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Qin Y, Wu X, Zhou N, Xu H, Tan J, Chen X, Peng Z, Nie C. The simulation study of transport performance of HU drugs on functionalized graphene nanosheets based on the Density Functional Theory. COMPUT THEOR CHEM 2022. [DOI: 10.1016/j.comptc.2022.113604] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Saral A, Sudha P, Muthu S, Irfan A. Computational, spectroscopic and molecular docking investigation on a bioactive anti-cancer drug: 2-Methyl-8-nitro quinoline. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2021.131414] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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Riaz S, Jaffar K, Perveen M, Riaz A, Nazir S, Iqbal J. Computational study of therapeutic potential of phosphorene as a nano-carrier for drug delivery of nebivolol for the prohibition of cardiovascular diseases: a DFT study. J Mol Model 2021; 27:306. [PMID: 34590181 DOI: 10.1007/s00894-021-04907-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Accepted: 09/08/2021] [Indexed: 02/07/2023]
Abstract
Density functional theory (DFT) calculations were utilized to assess the drug delivery efficiency of phosphorene carrier for nebivolol drug to treat cardiovascular diseases. The optimized structures, excited state, and electronic properties of nebivolol, phosphorene, and nebivolol-phosphorene (nebivolol-PH) complex were considered to determine the drug delivery ability of phosphorene at the target site. The increased dipole moment (6.08 D) results in the higher solubility of the complex in polar solvents (water). Weak interactive forces between nebivolol and phosphorene were demonstrated by the non-covalent interaction (NCI) plot that facilitated the offloading of nebivolol at the targeted area. The analysis of frontier molecular orbitals (FMOs) revealed that during excitation, the charge was transferred from nebivolol as a higher occupied molecular orbital (HOMO) to phosphorene as a lower unoccupied molecular orbital (LUMO). Thus, the charge-transfer process was further studied by charge decomposition analysis (CDA). The calculated results at the excited state for the nebivolol-PH complex exhibited that the maximum wavelength (λmax) was red-shifted by 6 nm in the gas phase. The electron-hole theory and photoinduced electron transfer (PET) processes were carried out for the exploration of different excited states of the complex. Additionally, phosphorene with + 1 and - 1 charge states indicated the minor structural changes and provide the stable nebivolol-PH complex. This theoretical study also investigated that phosphorene can be exploited as an effective carrier for the delivery of a therapeutic agent as nebivolol to treat cardiovascular diseases. This work will also encourage the researchers to investigate the other 2D nanoparticles as a nano-drug delivery system (NDDS).
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Affiliation(s)
- Saima Riaz
- Department of Chemistry, University of Agriculture, Faisalabad, 38000, Pakistan
| | - Kinza Jaffar
- Department of Chemistry, University of Agriculture, Faisalabad, 38000, Pakistan
| | - Mehvish Perveen
- Department of Chemistry, University of Agriculture, Faisalabad, 38000, Pakistan
| | | | - Sidra Nazir
- Faisalabad Institute of Cardiology, Faisalabad, Pakistan
| | - Javed Iqbal
- Department of Chemistry, University of Agriculture, Faisalabad, 38000, Pakistan.
- Punjab Bio-Energy Institute, University of Agriculture, Faisalabad, 38000, Pakistan.
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Synthesis of novel benzohydrazide and benzoic acid derivatives: Crystal Structure, Hirshfeld surface analysis and DFT computational studies. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2021.130465] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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11
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Shamim M, Perveen M, Nazir S, Hussnain M, Mehmood R, Khan MI, Iqbal J. DFT study of therapeutic potential of graphitic carbon nitride (g-C3N4) as a new drug delivery system for carboplatin to treat cancer. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.115607] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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12
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Gupta D, Kula P, Bhattacharjee A. Detailed analysis of a room temperature antiferroelectric liquid crystalline material forming polar mesophases. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2020.114859] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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13
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Perveen M, Nazir S, Arshad AW, Khan MI, Shamim M, Ayub K, Khan MA, Iqbal J. Therapeutic potential of graphitic carbon nitride as a drug delivery system for cisplatin (anticancer drug): A DFT approach. Biophys Chem 2020; 267:106461. [DOI: 10.1016/j.bpc.2020.106461] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 08/16/2020] [Accepted: 08/18/2020] [Indexed: 12/19/2022]
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Govindammal M, Prasath M. Vibrational spectra, Hirshfeld surface analysis, molecular docking studies of (RS)-N,N-bis(2-chloroethyl)-1,3,2-oxazaphosphinan-2-amine 2-oxide by DFT approach. Heliyon 2020; 6:e04641. [PMID: 32904270 PMCID: PMC7452535 DOI: 10.1016/j.heliyon.2020.e04641] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2020] [Revised: 06/11/2020] [Accepted: 08/03/2020] [Indexed: 01/06/2023] Open
Abstract
The Cyclophosphamide (CYC) is used as an anti cancer agent. It is chemically known as (RS)-N,N-bis(2-chloroethyl)-1,3,2-oxazaphosphinan-2-amine 2-oxide. The vibrational assignments survey of the CYC was implemented by employing FT-IR and FT-Raman spectroscopic investigation and the results are compared with theoretical features. The optimized geometrical parameters, IR intensity and Raman Activity of the vibrational bands of CYC were determined from the B3LYP functional with 6-311++G (d, p) level of theory. In the current work, quantum chemical calculations were adopted to contemplate the vibrational assignments of CYC and the outcomes are compared with experimental findings. Molecular Electrostatic Potential (MEP) and HOMO-LUMO energies are very effective in the examination of charge transfer and distribution of the molecular structure. The molecular orbital contributions were evaluated by using the Total Density of States (TDOS). The analysis of Natural Bond Orbital (NBO), Mulliken population and Fukui function studies were done. Intermolecular interaction of the title compound was examined through Hirshfeld surface analysis. The evaluation of drug-likeness was accomplished in accordance with Lipinski's Rule of Five and molecular descriptors were utilized to predict the ADMET profiles of the CYC molecule. The recent research studies reports that the structural and bio-activity of the CYC was affirmed by the docking analysis of CYC with protein PI3K/AKT inhibitor, it acts as anti-lung cancer agent.
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Affiliation(s)
- M. Govindammal
- Department of Physics, Periyar University PG Extension Centre, Dharmapuri, 636701, India
| | - M. Prasath
- Department of Physics, Periyar University PG Extension Centre, Dharmapuri, 636701, India
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Arulraj R, Sivakumar S, Suresh S, Anitha K. Synthesis, vibrational spectra, DFT calculations, Hirshfeld surface analysis and molecular docking study of 3-chloro-3-methyl-2,6-diphenylpiperidin-4-one. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 232:118166. [PMID: 32106033 DOI: 10.1016/j.saa.2020.118166] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Revised: 02/04/2020] [Accepted: 02/16/2020] [Indexed: 06/10/2023]
Abstract
A newly synthesized molecular complex 3-chloro-3-methyl-2,6-diphenylpiperidin-4-one [CMDP] crystallizes in the triclinic space group P1. The piperidin-4-one ring exhibits a distorted chair conformation with the puckering parameters Q = 0.559 (3) Å, θ = 173.3 (3°) and φ = 180 (2°). The methyl substituent on the third position of the piperidine ring takes up a syn-periplanar positioning although the chloro substituent takes up an anti-clinical positioning with dihedral angle: Cl1-C2-C1-O1 = 113.3 (2°) due to the repulsion from an adjacent oxygen atom. The optimized molecular geometry and fundamental vibrational frequencies of the CMDP compounds are interpreted with the help of normal coordinate force field calculations based on DFT method B3LYP/6-31+G (d,p) level basis set. The HOMO-LUMO energy gap of the molecule is 5.4194 eV. The hardness value (η) of the CMDP molecule is 2.7097 eV. Hirshfeld surface analysis and fingerprint plots are supportive for determining the molecular shape and visually analyzing the intermolecular interactions in the crystal structure. The Hirshfeld surfaces like di,de,dnorm, shape index and curvedness of C18H18NOCl were pictured and discussed. The various levels of electronic transitions have been predicted by Time-Dependent Density Functional Theory (TD-DFT) calculations and compared with the recorded absorption spectrum. Molecular docking study was performed and reported for the synthesized compound against 4ey7 protein.
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Affiliation(s)
- R Arulraj
- Department of Electrical and Computer Engineering, National University of Singapore, 117 583, Singapore.
| | - S Sivakumar
- Research and Development Centre, Bharathiar University, Coimbatore 641 046, Tamil Nadu, India; Department of Chemistry, Thiruvalluvar Arts and Science College, Kurinjipadi 607 302, Tamil Nadu, India
| | - S Suresh
- Department of Physics, Saveetha Engineering College (Autonomous), Thandalam, Chennai 602105, Tamil Nadu, India.
| | - K Anitha
- Research and Development Centre, Bharathiar University, Coimbatore 641 046, Tamil Nadu, India
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Saji RS, Prasana JC, Muthu S, George J, Kuruvilla TK, Raajaraman BR. Spectroscopic and quantum computational study on naproxen sodium. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 226:117614. [PMID: 31606674 DOI: 10.1016/j.saa.2019.117614] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2019] [Revised: 06/05/2019] [Accepted: 10/06/2019] [Indexed: 06/10/2023]
Abstract
The spectroscopic (FT-IR, FT-Raman, NMR), electronic (UV--Vis.), structural and thermodynamical properties of an anti-inflammatory analgesic called Naproxen Sodium, (s)-6-methoxy-α-methyl-2-naphthaleneacetic acid sodium salt are submitted by using both experimental techniques and theoretical methods as quantum chemical calculations in this work. The equilibrium geometry and vibrational spectra are calculated by using DFT (B3LYP) with 6-311++G (d,p) basis set using GAUSSIAN 09. The vibrational wavenumbers are also corrected with scale factor to take better results for the calculated data. The HOMO-LUMO calculations are carried out on the title compound. The theoretical and experimental NMR peaks were found to be in good agreement. In addition, the detailed study on the Non-Bonding Orbitals, the excitation energies, AIM charges, condensed fukui calculations, thermodynamical properties, Localized Orbital Locator (LOL) and Electron Localization Function (ELF) are also performed. Furthermore, the study is extended to calculate the first order hyperpolarizability and to predict its NLO properties. The docking studies details helped on predicting the binding with different proteins.
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Affiliation(s)
- Rinnu Sara Saji
- Department of Physics, Madras Christian College, East Tambaram, 600059, Tamil Nadu, India; University of Madras, Chennai, 600005, Tamilnadu, India
| | | | - S Muthu
- Department of Physics, Arignar Anna Government Arts College, Cheyyar, 604407, Tamil Nadu, India.
| | - Jacob George
- Department of Physics, Madras Christian College, East Tambaram, 600059, Tamil Nadu, India
| | - Tintu K Kuruvilla
- Department of Physics, Madras Christian College, East Tambaram, 600059, Tamil Nadu, India
| | - B R Raajaraman
- Department of Physics, Sri Venkateswara College of Engineering, Sriperumbudur, 602 117, Tamil Nadu, India
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Detailed investigation of N-(4-n-pentyl-oxybenzylidene)-4′-n-hexylaniline liquid crystal molecule. J Mol Struct 2019. [DOI: 10.1016/j.molstruc.2019.06.068] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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18
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DFT study of guest-responsive cooperative effects: Inclusion complexation of alcohols with calix[4]pyrrole. MONATSHEFTE FUR CHEMIE 2019. [DOI: 10.1007/s00706-019-02436-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Tariq A, Nazir S, Arshad AW, Nawaz F, Ayub K, Iqbal J. DFT study of the therapeutic potential of phosphorene as a new drug-delivery system to treat cancer. RSC Adv 2019; 9:24325-24332. [PMID: 35527876 PMCID: PMC9069575 DOI: 10.1039/c9ra02778e] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Accepted: 07/14/2019] [Indexed: 02/04/2023] Open
Abstract
In this study, the therapeutic potential of phosphorene as a drug-delivery system for chlorambucil to treat cancer was evaluated. The geometric, electronic and excited state properties of chlorambucil, phosphorene and the phosphorene–chlorambucil complex were evaluated to explore the efficiency of phosphorene as a drug-delivery system. The nature of interaction between phosphorene and chlorambucil is illustrated through a non-covalent interaction (NCI) plot, which illustrated that weak forces of interaction are present between phosphorene and chlorambucil. These weak intermolecular forces are advantageous for an easy offloading of the drug at the target. Frontier molecular orbital analysis revealed that charge was transferred from chlorambucil to phosphorene during excitation from the HOMO to LUMO. The charge transfer was further supplemented by charge-decomposition analysis (CDA). Excited-state calculations showed that the λmax was red-shifted by 79 nm for the phosphorene–chlorambucil complexes. The photo-induced electron-transfer (PET) process was observed for different excited states, which could be well explained visually based on the electron–hole theory. The photo-induced electron transfer suggests that a quenching of fluorescence occurs upon interaction. This study confirmed that phosphorene possesses significant therapeutic potential as a drug-delivery system for chlorambucil to treat cancer. This study will also motivate further exploration of other 2D materials for drug-delivery applications. Therapeutic potential of phosphorene as drug delivery system for chlorambucil to treat cancer is evaluated. The photo-induced electron transfer suggests that phosphorene possess significant therapeutic potential as drug delivery system.![]()
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Affiliation(s)
- Amina Tariq
- Department of Chemistry
- University of Agriculture
- Faisalabad
- Pakistan
| | - Sidra Nazir
- Faisalabad Institute of Cardiology
- Faisalabad
- Pakistan
| | | | - Faisal Nawaz
- University of Engineering and Technology, Lahore
- Pakistan
| | - Khurshid Ayub
- Department of Chemistry
- COMSAT University Islamabad
- Pakistan
| | - Javed Iqbal
- Department of Chemistry
- University of Agriculture
- Faisalabad
- Pakistan
- Punjab Bio-energy Institute
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Raajaraman BR, Sheela N, Muthu S. Investigation on 1-Acetyl-4-(4-hydroxyphenyl) piperazine an anti-fungal drug by spectroscopic, quantum chemical computations and molecular docking studies. J Mol Struct 2018. [DOI: 10.1016/j.molstruc.2018.07.030] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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21
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Recognition of anions using urea and thiourea substituted calixarenes: A density functional theory study of non-covalent interactions. Chem Phys 2018. [DOI: 10.1016/j.chemphys.2017.12.002] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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