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Zolghadr L, Behbehani GR, PakBin B, Hosseini SA, Divsalar A, Gheibi N. Molecular dynamics simulations, molecular docking, and kinetics study of kaempferol interaction on Jack bean urease: Comparison of extended solvation model. Food Sci Nutr 2022; 10:3585-3597. [DOI: 10.1002/fsn3.2956] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 04/30/2022] [Accepted: 05/25/2022] [Indexed: 11/11/2022] Open
Affiliation(s)
- Leila Zolghadr
- Department of Chemistry Faculty of Science Imam Khomeini International University Qazvin Iran
| | | | - Babak PakBin
- Department of Food Hygiene and Quality of Control Faculty of Veterinary Medicine University of Tehran Tehran Iran
- Medical Microbiology Research Center University of Medical sciences Qazvin Iran
| | - Seied Ali Hosseini
- Electrical Engineering Department Faculty of Engineering Imam Khomeini International University Qazvin Iran
| | - Adeleh Divsalar
- Department of Cell and Molecular Sciences Kharazmi University Tehran Iran
| | - Nematollah Gheibi
- Cellular and Molecular Research Center, Research Institute for Prevention of Non‐Communicable Diseases Qazvin University of Medical Sciences Qazvin Iran
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Janek T, Rodrigues LR, Gudiña EJ, Burger J. Synergistic effect of hen egg white lysozyme and lysosomotropic surfactants on cell viability and membrane permeability. Colloids Surf B Biointerfaces 2019; 185:110598. [PMID: 31683205 DOI: 10.1016/j.colsurfb.2019.110598] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2019] [Revised: 10/14/2019] [Accepted: 10/16/2019] [Indexed: 12/13/2022]
Abstract
The interactions between two types of quaternary ammonium surfactants (N,N,N-trimethyl-2-(dodecanoyloxy)ethaneammonium bromide (DMM-11) and N,N,N-trimethyl-2-(dodecanoyloxy)propaneammonium bromide (DMPM-11)) and hen egg white lysozyme were studied through several techniques, including isothermal titration calorimetry (ITC), circular dichroism (CD) and fluorescence spectroscopy, and surface tension measurement. The average number of surfactants interacting with each molecule of lysozyme was calculated from the biophysical results. Moreover, the CD results showed that the conformation of lysozyme changed in the presence of DMM-11 and DMPM-11. The studies drew a detailed picture on the physicochemical nature of interactions between both surfactants and lysozyme. Both DMM-11 and DMPM-11, with and without lysozyme were studied against three target microorganisms, including Gram-negative (Escherichia coli) and Gram-positive (Enterococcus hirae and Enterococcus faecalis) bacteria. The results revealed a broad spectrum of antibacterial nature of surfactant/lysozyme complexes, as well as their effect on the membrane damage, hence providing the basis to further explore DMM-11 and DMPM-11 combined with lysozyme as possible antibacterial tools.
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Affiliation(s)
- Tomasz Janek
- Department of Biotechnology and Food Microbiology, Wrocław University of Environmental and Life Sciences, 51-630, Wrocław, Poland.
| | - Lígia R Rodrigues
- Centre of Biological Engineering, University of Minho, 4710-057, Braga, Portugal
| | - Eduardo J Gudiña
- Centre of Biological Engineering, University of Minho, 4710-057, Braga, Portugal
| | - Joanna Burger
- Department of Inorganic Chemistry, Wroclaw Medical University, 50-556, Wrocław, Poland
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Schneider D, Schneider T, Aschenbrenner J, Mortensen F, Scheffner M, Marx A. Anionic surfactants enhance click reaction-mediated protein conjugation with ubiquitin. Bioorg Med Chem 2016; 24:995-1001. [DOI: 10.1016/j.bmc.2016.01.027] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2015] [Revised: 01/13/2016] [Accepted: 01/14/2016] [Indexed: 10/22/2022]
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Negative and positive temperature dependence of potassium leak in MscS mutants: Implications for understanding thermosensitive channels. BIOCHIMICA ET BIOPHYSICA ACTA-BIOMEMBRANES 2015; 1848:1678-86. [PMID: 25958301 DOI: 10.1016/j.bbamem.2015.04.019] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2015] [Revised: 04/24/2015] [Accepted: 04/29/2015] [Indexed: 01/30/2023]
Abstract
Bacterial mechanosensitive channel of small conductance (MscS) is a protein, whose activity is modulated by membrane tension, voltage and cytoplasmic crowding. MscS is a homoheptamer and each monomer consists of three transmembrane helices (TM1-3). Hydrophobic pore of the channel is made of TM3s surrounded by peripheral TM1/2s. MscS gating is a complex process, which involves opening and inactivation in response to the increase of membrane tension. A number of MscS mutants were isolated. Among them mutants affecting gating have been found including gain-of-function (GOF) and loss-of-function (LOF) that open at lower or at higher thresholds, respectively. Previously, using an in vivo screen we isolated multiple MscS mutants that leak potassium and some of them were GOF or LOF. Here we show that for a subset of these mutants K+ leak is negatively (NTD) or positively (PTD) temperature dependent. We show that temperature reliance of these mutants does not depend on how MS gating is affected by a particular mutation. Instead, we argue that NTD or PTD leak is due to the opposite allosteric coupling of the structures that determine the temperature dependence to the channel gate. In PTD mutants an increased hydration of the pore vestibule is directly coupled to the increase in the channel conductance. In NTD mutants, at higher temperatures an increased hydration of peripheral structures leads to complete separation of TM3 and a pore collapse.
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Oftadeh M, Behbahani GR, Saboury AA, Rafiei S. Investigation of the Effects of Various Cyclodextrins on the Stabilisation of Human Serum Albumin by a Spectroscopic Method. Aust J Chem 2015. [DOI: 10.1071/ch15079] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
The binding parameters between cyclodextrins (CDs) and human serum albumin (HSA) were investigated by isothermal titration calorimetry (ITC), fluorescence quenching, and UV-vis absorption spectroscopy at 300 K in 50 mM phosphate buffer solution. Among the various CDs investigated, β-CD has the greater ability to decrease the aggregation of HSA and the results indicated that the inhibition order is γ-CD < α-CD < β-CD. The obtained heats for HSA+CDs interactions were reported and analysed in terms of the extended solvation model, which was used to reproduce the enthalpies of HSA interactions with CDs over a broad range of complex concentrations. The binding constant and thermodynamic parameters were obtained. These suggested that the binding reaction was driven by both enthalpy and entropy, and electrostatic interactions played a major role in the stabilising of HSA. The parameters and reflected the net effect of β-CD on the HSA stability at low and high cyclodextrin concentrations, respectively. The positive values for indicated that β-CD stabilises the HSA structure at low concentrations. The UV absorption intensity of theses complexes increased and a slight red shift was observed in the absorbance wavelength with increasing the CD concentration. The fluorescence intensity of HSA decreased regularly and a slight blue shift was observed for the emission wavelength with increasing CD concentration. The results indicate that the CD complex could quench the fluorescence of HSA and changes the microenvironment of the tryptophan residue.
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Cao C, Lei J, Zhang L, Du FP. Equilibrium and dynamic interfacial properties of protein/ionic-liquid-type surfactant solutions at the decane/water interface. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2014; 30:13744-13753. [PMID: 25357256 DOI: 10.1021/la502890w] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
The interfacial behavior of β-casein and lysozyme solutions has been investigated in the presence of an ionic liquid-type imidazolium surfactant ([C16mim]Br) at the decane/water interface. The dynamic dilational properties of the protein/surfactant solutions are investigated by the oscillating drop method and interfacial tension relaxation method. The interfacial tension isotherms for the mixed adsorption layers indicate that the increased addition of [C16mim]Br to a pure protein changes the properties of the complex formed at the decane/water interface. Whereas the interfacial tension data of the protein/surfactant mixed layers do not clearly show differences with changing bulk composition, the dilational rheology provides undoubted evidence that the structure and, in particular, the dynamics of the adsorbed layers depend on the bulk surfactant concentration. The experiment data for β-casein/[C16mim]Br solutions indicate that at higher bulk [C16mim]Br concentrations, β-casein in the interfacial layer is subject to conformational changes, where it gives space to [C16mim]Br molecules in the form of coadsorb rather than replacement; in contrast, in lysozyme/[C16mim]Br solutions some lysozyme molecules desorb from the interface due to the competitive adsorption of free [C16mim]Br molecules. Experimental results related to the interfacial dilational properties of the protein/surfactant solutions show that the dilational modulus turns out to be more sensitive to the conformation of protein/surfactant mixture at the liquid interface than the interfacial tension.
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Affiliation(s)
- Chong Cao
- Department of Applied Chemistry, College of Science, China Agriculture University , 2 Yuanmingyuan Xilu, Haidian Dist., Beijing 100193, China
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Kumar EK, Prabhu NP. Differential effects of ionic and non-ionic surfactants on lysozyme fibrillation. Phys Chem Chem Phys 2014; 16:24076-88. [PMID: 25288276 DOI: 10.1039/c4cp02423k] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Fibril formation is a common property of many proteins, though not all are associated with diseases. Protein surface charges and the added co-solvents play vital roles in determining fibrillation pathways and kinetics. In order to understand these phenomena, the effects of anionic, cationic and non-ionic surfactants on lysozyme fibrillation were studied. Lysozyme forms fibrils in 2 M and 4 M urea solutions following nucleation-dependent and nucleation-independent pathways, respectively, at neutral pH. Under these conditions, the effects of sodium dodecyl sulfate (SDS), cetyltrimethylammonium bromide (CTAB), and triton X-100 (Tx) were investigated on the lysozyme structure and fibrillation. The results indicate that there are differential effects of ionic and non-ionic surfactants on fibrillation. In the presence of SDS and CTAB, above their critical micelle concentrations (CMC), lysozyme could not form fibrils. However, non-ionic Tx does not inhibit fibril formation at all concentrations. Note that the time for complete fibril formation is increased by Tx. All of the surfactants are found to increase the initial nucleation phase; however, the extent of increase is less at near the CMC of the ionic surfactants and at above the CMC of Tx. The rates of fibril elongation show varying effects in the presence of different surfactants. The results suggest that the nucleation phase of lysozyme fibrillation is primarily controlled by charge interactions and micellation of the surfactants, but multiple factors might influence the fibril elongation. Furthermore, the surfactants do not alter the fibrillation pathway from nucleation-dependent to nucleation-independent or vice versa in the studied conditions.
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Affiliation(s)
- E Kiran Kumar
- Department of Biotechnology and Bioinformatics, School of Life sciences, University of Hyderabad, Hyderabad - 500046, India.
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Ivanov RA, Soboleva OA, Chernysheva MG, Badun GA. Adsorption and distribution of components of cocoamidopropyl betaine-lysozyme mixtures in water/octane system. COLLOID JOURNAL 2014. [DOI: 10.1134/s1061933x14030053] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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The Interaction of Ferric Ions with Jack Bean Urease by Isothermal Titration Calorimetry. NATIONAL ACADEMY SCIENCE LETTERS-INDIA 2013. [DOI: 10.1007/s40009-013-0145-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Divsalar A, Saboury AA, Haertlé T, Sawyer L, Mansouri-Torshizi H, Barzegar L. Spectroscopic and Calorimetric Study of 2,2′-Dibipyridin Cu(II) Chloride Binding to Bovine β-Lactoglobulin. J SOLUTION CHEM 2013. [DOI: 10.1007/s10953-013-9987-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Abstract
We have investigated the interactions betweenβ-lactoglobulin, BLG, and new synthesized Cu(II) complex (2,2′-dibipyridine Cu(II) chloride) using isothermal titration calorimetry (ITC) methods at different temperatures of 298 and 310 K. The heats of BLG + Cu(II) interactions are reported and analyzed in terms of the extended solvation theory for calculation of binding and thermodynamic parameters of the interaction. The results suggested that binding of Cu(II) complex on BLG resulted in significant changes on the tertiary structure and conformation of protein via increasing of hydrophobicity and inducing partially unfolded structure in BLG which has a good agreement with the solvation parameters recovered by the extended solvation model suggesting destabilization of the protein.
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Abstract
Complexation reaction between Yb3+and human serum albumin is examined using isothermal titration calorimetry (ITC). The extension solvation theory was used to reproduce the enthalpies of HAS + Yb3+interactions over the whole range of Yb3+concentrations. The binding parameters recovered from this model were attributed to the structural change of HSA. The results show that Yb3+ions bind to HSA with three equivalent affinity sites. It was found that in the high concentrations of the ytterbium ions, the HSA structure was destabilized.
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A Comparative Interaction between Copper Ions with Alzheimer's β Amyloid Peptide and Human Serum Albumin. Bioinorg Chem Appl 2012; 2012:208641. [PMID: 22844264 PMCID: PMC3399385 DOI: 10.1155/2012/208641] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2012] [Accepted: 05/15/2012] [Indexed: 11/18/2022] Open
Abstract
The interaction of Cu2+ with the first 16 residues of the Alzheimer's amyliod β peptide, Aβ(1–16), and human serum albumin (HSA) were studied in vitro by isothermal titration calorimetry at pH 7.2 and 310 K in aqueous solution. The solvation parameters recovered from the extended solvation model indicate that HSA is involved in the transport of copper ion. Complexes between Aβ(1–16) and copper ions have been proposed to be an aberrant interaction in the development of Alzheimer's disease, where Cu2+ is involved in Aβ(1–16) aggregation. The indexes of stability indicate that HSA removed Cu2+ from Aβ(1–16), rapidly, decreased Cu-induced aggregation of Aβ(1–16), and reduced the toxicity of Aβ(1–16) + Cu2+ significantly.
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A Thermodynamic Study of Zinc Ion Interaction with Bovine Carbonic Anhydrase II at Different Temperatures. J SOLUTION CHEM 2011. [DOI: 10.1007/s10953-011-9686-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Rezaei Behbehani G, Barzegar L, Saboury A, Ghammami S. A thermodynamic investigation on the binding of mercury ion with myelin basic protein at different temperatures. CHINESE CHEM LETT 2011. [DOI: 10.1016/j.cclet.2010.11.028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Rezaei Behbehani G, Saboury AA, Sabbaghy F. A Calorimetric Study on the Interaction of Zinc and Cadmium Ions with Jack Bean Urease. CHINESE J CHEM 2011. [DOI: 10.1002/cjoc.201190102] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Rezaei Behbehani G, Divsalar A, Saboury AA, Hajian R, Rezaei Z, Yahaghi E, Barzegar L. A Thermodynamic Study on the Binding of Cobalt(II) and Iron(III) Ions with Bovine Carbonic Anhydrase II at Different Temperatures. J SOLUTION CHEM 2010. [DOI: 10.1007/s10953-010-9572-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Rezaei Behbehani G, Saboury AA, Zarean O, Barzegar L, Ghamamy S. Thermodynamic Study of Myelin Basic Protein upon Interaction with [Hg2+] Using Extension Solvation Model. CHINESE J CHEM 2010. [DOI: 10.1002/cjoc.201090136] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Survey of the year 2008: applications of isothermal titration calorimetry. J Mol Recognit 2010; 23:395-413. [DOI: 10.1002/jmr.1025] [Citation(s) in RCA: 53] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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A Structural and Calorimetric Study on the Interaction Between Jack Bean Urease and Cyanide Ion. J SOLUTION CHEM 2009. [DOI: 10.1007/s10953-009-9471-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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A Thermodynamic Study of New Designed Complex of Ethylendiamine 8-Hydroxyquinolinato Palladium(II) Chloride with Calf Thymus DNA. B KOREAN CHEM SOC 2009. [DOI: 10.5012/bkcs.2009.30.9.1951] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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BEHBEHANI GR, DIVSALAR A, SABOURY AA, FARIDBOD F, GANJALI MR. A High Performance Theory for Thermodynamic Study on the Binding of Human Serum Albumin with Erbium Chloride. CHINESE J CHEM 2009. [DOI: 10.1002/cjoc.200990046] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Rezaei Behbehani G, Divsalar A, Saboury AA, Hekmat A. A Thermodynamic Study on the Binding of PEG-Stearic Acid Copolymer with Lysozyme. J SOLUTION CHEM 2008. [DOI: 10.1007/s10953-008-9360-5] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Behbehani GR, Saboury AA, Divsalar A. Thermodynamic study of the binding of calcium and magnesium ions with myelin basic protein using the extended solvation theory. Acta Biochim Biophys Sin (Shanghai) 2008; 40:964-9. [PMID: 18989578 DOI: 10.1111/j.1745-7270.2008.00477.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
The interaction of myelin basic protein (MBP) from the bovine central nervous system with Ca2+ and Mg2+ ions, named as M2+, was studied by isothermal titration calorimetry at 27 degrees C in aqueous solution. The extended solvation model was used to reproduce the enthalpies of MBP+M2+ interactions. The solvation parameters recovered from the extended solvation model were attributed to the structural change of MBP due to the metal ion interaction. It was found that there is a set of two identical and noninteracting binding sites for Ca2+ and Mg2+ ions.
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Affiliation(s)
- G Rezaei Behbehani
- Chemistry Department, Imam Khomeini International University, Qazvin, Iran.
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A Thermodynamic Study on the Binding of Human Serum Albumin with New Synthesized Anti Cancer Pd (II) Complex. J SOLUTION CHEM 2008. [DOI: 10.1007/s10953-008-9322-y] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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