1
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Bharmoria P, Tietze AA, Mondal D, Kang TS, Kumar A, Freire MG. Do Ionic Liquids Exhibit the Required Characteristics to Dissolve, Extract, Stabilize, and Purify Proteins? Past-Present-Future Assessment. Chem Rev 2024; 124:3037-3084. [PMID: 38437627 PMCID: PMC10979405 DOI: 10.1021/acs.chemrev.3c00551] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 02/08/2024] [Accepted: 02/19/2024] [Indexed: 03/06/2024]
Abstract
Proteins are highly labile molecules, thus requiring the presence of appropriate solvents and excipients in their liquid milieu to keep their stability and biological activity. In this field, ionic liquids (ILs) have gained momentum in the past years, with a relevant number of works reporting their successful use to dissolve, stabilize, extract, and purify proteins. Different approaches in protein-IL systems have been reported, namely, proteins dissolved in (i) neat ILs, (ii) ILs as co-solvents, (iii) ILs as adjuvants, (iv) ILs as surfactants, (v) ILs as phase-forming components of aqueous biphasic systems, and (vi) IL-polymer-protein/peptide conjugates. Herein, we critically analyze the works published to date and provide a comprehensive understanding of the IL-protein interactions affecting the stability, conformational alteration, unfolding, misfolding, and refolding of proteins while providing directions for future studies in view of imminent applications. Overall, it has been found that the stability or purification of proteins by ILs is bispecific and depends on the structure of both the IL and the protein. The most promising IL-protein systems are identified, which is valuable when foreseeing market applications of ILs, e.g., in "protein packaging" and "detergent applications". Future directions and other possibilities of IL-protein systems in light-harvesting and biotechnology/biomedical applications are discussed.
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Affiliation(s)
- Pankaj Bharmoria
- CICECO
- Aveiro Institute of Materials, Chemistry Department, University of Aveiro, 3810-193 Aveiro, Portugal
- Department
of Smart Molecular, Inorganic and Hybrid Materials, Institute of Materials Science of Barcelona (ICMAB-CSIC), 08193 Bellaterra, Barcelona, Spain
- Department
of Chemistry and Molecular Biology, Wallenberg Centre for Molecular
and Translational Medicine, University of
Gothenburg, SE-412 96 Göteborg, Sweden
| | - Alesia A. Tietze
- Department
of Chemistry and Molecular Biology, Wallenberg Centre for Molecular
and Translational Medicine, University of
Gothenburg, SE-412 96 Göteborg, Sweden
| | - Dibyendu Mondal
- CICECO
- Aveiro Institute of Materials, Chemistry Department, University of Aveiro, 3810-193 Aveiro, Portugal
- Institute
of Plant Genetics (IPG), Polish Academy of Sciences, Strzeszyńska 34, 60-479 Poznań, Poland
- Centre
for Nano and Material Sciences, JAIN (Deemed-to-be
University), Jain Global
Campus, Bangalore 562112, India
| | - Tejwant Singh Kang
- Department
of Chemistry, UGC Center for Advance Studies-II,
Guru Nanak Dev University (GNDU), Amritsar 143005, Punjab, India
| | - Arvind Kumar
- Salt
and Marine Chemicals Division, CSIR-Central
Salt and Marine Chemicals Research Institute, G. B. Marg, Bhavnagar 364002, Gujarat, India
| | - Mara G Freire
- CICECO
- Aveiro Institute of Materials, Chemistry Department, University of Aveiro, 3810-193 Aveiro, Portugal
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2
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Pabst F, Kraus J, Reynolds M, Mattsson J, Blochowicz T. Preserving fast ion dynamics while introducing mechanical rigidity in gelatin-based ionogels. SOFT MATTER 2023; 19:1418-1428. [PMID: 36723269 DOI: 10.1039/d2sm01143c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Ionogels are gels containing ions, often an ionic liquid (IL), and a gelling agent. They are promising candidates for applications including batteries, photovoltaics or fuel cells due to their chemical stability and high ionic conductivity. In this work we report on a thermo-irreversible ionic gel prepared from a mixture of the ionic liquid 1-butyl-3-methylimidazolium ([BMIM]) dicyanamide ([DCA]), water and gelatin, which combines the advantages of an ionic liquid with the low cost of gelatin. We use (i) dielectric spectroscopy to monitor the ion transport, (ii) dynamic light scattering techniques to access the reorientational motions of the ions, as well as fluctuations of the gel matrix, and (iii) rheology to determine the shear response from above room temperature down to the glass transition. In this way, we are able to connect the microscopic ion dynamics with the meso- and macroscopic behavior of the gelatin matrix. We show, by comparing our results to those for a IL-water mixture from a previous study, that although some weak additional slow relaxation modes are present in the gel, the overall ion dynamics is hardly changed by the presence of gelatin. The macroscopic mechanical response, as probed by rheology, is however dominated by the gel matrix. This behaviour can be highly useful e.g. in battery gel electrolytes which prevent electrolyte leakage and combine mechanical rigidity and flexibility.
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Affiliation(s)
- Florian Pabst
- TU Darmstadt, Institute for Condensed Matter Physics, 64289 Darmstadt, Germany.
| | - Jennifer Kraus
- TU Darmstadt, Institute for Condensed Matter Physics, 64289 Darmstadt, Germany.
| | - Matthew Reynolds
- School of Physics and Astronomy, University of Leeds, LS2 9JT Leeds, UK
| | - Johan Mattsson
- School of Physics and Astronomy, University of Leeds, LS2 9JT Leeds, UK
| | - Thomas Blochowicz
- TU Darmstadt, Institute for Condensed Matter Physics, 64289 Darmstadt, Germany.
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3
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Ghosh S, Das S. A detailed assessment on the interaction of sodium alginate with a surface-active ionic liquid and a conventional surfactant: a multitechnique approach. Phys Chem Chem Phys 2022; 24:13738-13762. [DOI: 10.1039/d2cp00221c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Investigation has been made on the interaction of a biodegradable anionic polyelectrolyte, sodium alginate with two oppositely charged cationic surfactants, 1-hexadecyl-3-methyl imidazolium chloride and 1-hexadecyl triphenylphosphonium bromide, former is a...
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4
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Detailed physicochemical interaction of inulin with some conventional surfactants and surface active ionic liquid. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.116849] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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5
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Cui Y, Zhu Y, Dai R, Shan Z, Yi J, Chen H. The solubility and interactions of gelatin in “water-in-sodium acetate trihydrate/urea-DES” system. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.126916] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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6
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El Seoud OA, Keppeler N, Malek NI, Galgano PD. Ionic Liquid-Based Surfactants: Recent Advances in Their Syntheses, Solution Properties, and Applications. Polymers (Basel) 2021; 13:1100. [PMID: 33808369 PMCID: PMC8036849 DOI: 10.3390/polym13071100] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Revised: 03/19/2021] [Accepted: 03/22/2021] [Indexed: 11/16/2022] Open
Abstract
The impetus for the expanding interest in ionic liquids (ILs) is their favorable properties and important applications. Ionic liquid-based surfactants (ILBSs) carry long-chain hydrophobic tails. Two or more molecules of ILBSs can be joined by covalent bonds leading, e.g., to gemini compounds (GILBSs). This review article focuses on aspects of the chemistry and applications of ILBSs and GILBSs, especially in the last ten years. Data on their adsorption at the interface and micelle formation are relevant for the applications of these surfactants. Therefore, we collected data for 152 ILBSs and 11 biamphiphilic compounds. The head ions of ILBSs are usually heterocyclic (imidazolium, pyridinium, pyrrolidinium, etc.). Most of these head-ions are also present in the reported 53 GILBSs. Where possible, we correlate the adsorption/micellar properties of the surfactants with their molecular structures, in particular, the number of carbon atoms present in the hydrocarbon "tail". The use of ILBSs as templates for the fabrication of mesoporous nanoparticles enables better control of particle porosity and size, hence increasing their usefulness. ILs and ILBSs form thermodynamically stable water/oil and oil/water microemulsions. These were employed as templates for (radical) polymerization reactions, where the monomer is the "oil" component. The formed polymer nanoparticles can be further stabilized against aggregation by using a functionalized ILBS that is co-polymerized with the monomers. In addition to updating the literature on the subject, we hope that this review highlights the versatility and hence the potential applications of these classes of surfactants in several fields, including synthesis, catalysis, polymers, decontamination, and drug delivery.
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Affiliation(s)
- Omar A. El Seoud
- Institute of Chemistry, The University of São Paulo, São Paulo 05508-000, Brazil; (N.K.); (P.D.G.)
| | - Nicolas Keppeler
- Institute of Chemistry, The University of São Paulo, São Paulo 05508-000, Brazil; (N.K.); (P.D.G.)
| | - Naved I. Malek
- Applied Chemistry Department, Sardar Vallabhbhai National Institute of Technology, Surat 395 007, Gujarat, India;
| | - Paula D. Galgano
- Institute of Chemistry, The University of São Paulo, São Paulo 05508-000, Brazil; (N.K.); (P.D.G.)
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7
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Singh G, Kaur M, Kaur H, Kang TS. Synthesis and complexation of a new caffeine based surface active ionic liquid with lysozyme in aqueous medium: Physicochemical, computational and antimicrobial studies. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2020.115156] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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8
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Bhattarai A. Studies of aggregation properties of surfactant with and without polyelectrolyte in water and binary mixture of methanol-water from the surface tension measurements. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.113438] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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9
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Singh G, Kaur M, Singh D, Kesavan AK, Kang TS. Antimicrobial Colloidal Complexes of Lysozyme with Bio-Based Surface Active Ionic Liquids in Aqueous Medium. J Phys Chem B 2020; 124:3791-3800. [DOI: 10.1021/acs.jpcb.0c00339] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Gagandeep Singh
- Department of Chemistry, UGC-Centre for Advance Studies − II, Guru Nanak Dev University, Amritsar, Punjab 143005, India
| | - Manvir Kaur
- Department of Chemistry, UGC-Centre for Advance Studies − II, Guru Nanak Dev University, Amritsar, Punjab 143005, India
| | - Drishtant Singh
- Department of Molecular Biology and Biochemistry, Guru Nanak Dev University Amritsar, Punjab 143005, India
| | - Anup Kumar Kesavan
- Department of Molecular Biology and Biochemistry, Guru Nanak Dev University Amritsar, Punjab 143005, India
| | - Tejwant Singh Kang
- Department of Chemistry, UGC-Centre for Advance Studies − II, Guru Nanak Dev University, Amritsar, Punjab 143005, India
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10
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Singh G, Kaur M, Aswal VK, Kang TS. Aqueous colloidal systems of bovine serum albumin and functionalized surface active ionic liquids for material transport. RSC Adv 2020; 10:7073-7082. [PMID: 35493898 PMCID: PMC9049728 DOI: 10.1039/c9ra05549e] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2019] [Accepted: 02/04/2020] [Indexed: 12/21/2022] Open
Abstract
Physicochemical and computational investigation of complexation between BSA and SAILs with application in material transport.
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Affiliation(s)
- Gagandeep Singh
- Department of Chemistry
- UGC-Centre for Advance Studies – II
- Guru Nanak Dev University
- Amritsar
- India
| | - Manvir Kaur
- Department of Chemistry
- UGC-Centre for Advance Studies – II
- Guru Nanak Dev University
- Amritsar
- India
| | - Vinod Kumar Aswal
- Solid State Physics Division
- Bhabha Atomic Research Centre
- Mumbai 400085
- India
| | - Tejwant Singh Kang
- Department of Chemistry
- UGC-Centre for Advance Studies – II
- Guru Nanak Dev University
- Amritsar
- India
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11
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Qu W, Häkkinen R, Allen J, D'Agostino C, Abbott AP. Globular and Fibrous Proteins Modified with Deep Eutectic Solvents: Materials for Drug Delivery. Molecules 2019; 24:molecules24193583. [PMID: 31590314 PMCID: PMC6804121 DOI: 10.3390/molecules24193583] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Revised: 09/30/2019] [Accepted: 10/01/2019] [Indexed: 11/16/2022] Open
Abstract
Proteinaceous materials have numerous structures, many of which aid in the roles they perform. Some need to impart strength while others need elasticity or toughness. This study is the first to investigate the modification of both globular and fibrous protein, namely, zein, soy protein and gelatin, using deep eutectic solvents (DES) to form bioplastics, which may have application in drug delivery systems. The effects of DES content on the thermal and mechanical properties of the material were determined. Zein and soy are globular proteins, which both showed a significant change in the properties by the addition of DES. Both of these materials were, however, weaker and less ductile than the starch based materials previously reported in the literature. The material made from gelatin, a fibrous protein, showed variable properties depending on how long they were in contact with each other before pressing. Conductivity and NMR measurements indicate the existence of a continuous liquid phase, which are useful in the demonstrated application of transdermal drug delivery systems. It is shown that pharmaceutical DESs can be gelled with gelatin and this method is three times faster at delivering a pharmaceutical active ingredient across the skin barrier than from a corresponding solid formulation.
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Affiliation(s)
- Wanwan Qu
- Department of Chemistry, University of Leicester, University Road, Leicester LE1 7RH, UK.
| | - Riina Häkkinen
- VTT Technical Research Centre of Finland Ltd., Tietotie 4 E, FI-02150 VTT, Finland.
| | - Jack Allen
- Department of Chemistry, University of Leicester, University Road, Leicester LE1 7RH, UK.
| | - Carmine D'Agostino
- School of Chemical Engineering and Analytical Science, University of Manchester, Oxford Rd, Manchester, M13 9PL, UK.
| | - Andrew P Abbott
- Department of Chemistry, University of Leicester, University Road, Leicester LE1 7RH, UK.
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12
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Guo Y, Zhang B, Lu C, Liu X, Li Q, Zhang H, Wang Z. Locating the binding domains of lysozyme with ionic liquids in aqueous solution via spectroscopic studies. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2019; 214:239-245. [PMID: 30785043 DOI: 10.1016/j.saa.2019.02.032] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2018] [Revised: 02/13/2019] [Accepted: 02/13/2019] [Indexed: 06/09/2023]
Abstract
The binding domains of lysozyme with ionic liquids (ILs, [C4mim]BF4, [C4mim]Cl, [C4mim]Br and [dmim]I) in aqueous solution was investigated by studying molecular interactions using spectroscopic techniques. Ultraviolet spectroscopy (UV) showed that the addition of ILs increased the absorption peak intensity of lysozyme at 210 nm by enhancing peptide bond valence electron transition. It is also found that a weak interaction between ILs and lysozyme chromophore groups was generated by analyzing the changes of absorption peak intensity near 280 nm. Fluorescence and Synchronous Fluorescence spectra results showed that four ILs had quenching effect on the fluorescent substances of lysozyme, and the quenching effect rose with increasing ILs concentration. Meanwhile, the interaction between lysozyme and ILs molecules is mainly based on Van der Waals force and two Tryptophan (Trp) residues (Trp62 or Trp108) at the active site of lysozyme molecules play a critical role in binding ILs to their own molecules.
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Affiliation(s)
- Yun Guo
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, PR China
| | - Bo Zhang
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, PR China
| | - Chao Lu
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, PR China
| | - Xiaoxue Liu
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, PR China
| | - Qing Li
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, PR China
| | - Hua Zhang
- Chongqing Institute for Food and Drug Control, Chongqing 401121, PR China.
| | - Zhanzhong Wang
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, PR China.
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13
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Pal A, Yadav S. Effect of a copolymer poly(4-styrenesufonic acid-co-maleic acid) sodium salt on aggregation behavior of surface active ionic liquid 1-tetradecyl-3-methylimidazolium bromide and structurally similar conventional surfactant tetradecyltrimethylammonium bromide in aqueous media. J DISPER SCI TECHNOL 2019. [DOI: 10.1080/01932691.2018.1472006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Affiliation(s)
- Amalendu Pal
- Department of Chemistry, Kurukshetra University, Kurukshetra, India
| | - Sangeeta Yadav
- Department of Chemistry, Kurukshetra University, Kurukshetra, India
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14
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Singh G, Singh G, Kancharla S, Kang TS. Complexation Behavior of β-Lactoglobulin with Surface Active Ionic Liquids in Aqueous Solutions: An Experimental and Computational Approach. J Phys Chem B 2019; 123:2169-2181. [DOI: 10.1021/acs.jpcb.8b11610] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Gagandeep Singh
- Department of Chemistry, UGC-Centre for Advance Studies—II, Guru Nanak Dev University, Amritsar 143005, India
| | - Gurbir Singh
- Department of Chemistry, UGC-Centre for Advance Studies—II, Guru Nanak Dev University, Amritsar 143005, India
| | - Srinivasarao Kancharla
- Department of Earth Resources Engineering, Faculty of Engineering, Kyushu University, Fukuoka 819-0395, Japan
| | - Tejwant Singh Kang
- Department of Chemistry, UGC-Centre for Advance Studies—II, Guru Nanak Dev University, Amritsar 143005, India
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15
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Sun Y, Xu X, Qin M, Pang N, Wang G, Zhuang L. Dodecyl sulfate-based anionic surface-active ionic liquids: synthesis, surface properties, and interaction with gelatin. Colloid Polym Sci 2019. [DOI: 10.1007/s00396-019-04473-x] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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16
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Islam MM, Barik S, Sarkar M. Probing the Interactions of 1-Alkyl-3-methylimidazolium Tetrafluoroborate (Alkyl = Octyl, Hexyl, Butyl, and Ethyl) Ionic Liquids with Bovine Serum Albumin: An Alkyl Chain Length-Dependent Study. J Phys Chem B 2019; 123:1512-1526. [DOI: 10.1021/acs.jpcb.8b10795] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Mullah Muhaiminul Islam
- School of Chemical Sciences, National Institute of Science Education and Research, Bhubaneswar, HBNI, Bhimpur-Padanpur,
Jatni, Khurda 752050, Odisha, India
| | - Sahadev Barik
- School of Chemical Sciences, National Institute of Science Education and Research, Bhubaneswar, HBNI, Bhimpur-Padanpur,
Jatni, Khurda 752050, Odisha, India
| | - Moloy Sarkar
- School of Chemical Sciences, National Institute of Science Education and Research, Bhubaneswar, HBNI, Bhimpur-Padanpur,
Jatni, Khurda 752050, Odisha, India
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17
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Pal A, Yadav S. Investigation of physicochemical properties between poly(ethylene glycol)/poly(vinylpyrrolidone) and 1-butyl-3-methylimidazolium dodecyl sulfate in aqueous solution. Chem Phys Lett 2019. [DOI: 10.1016/j.cplett.2018.10.055] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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18
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Kumari M, Singh UK, Beg I, Alanazi AM, Khan AA, Patel R. Effect of cations and anions of ionic liquids on the stability and activity of lysozyme: Concentration and temperature effect. J Mol Liq 2018. [DOI: 10.1016/j.molliq.2018.09.075] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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19
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Pal A, Yadav S. Effect of cationic polyelectrolyte poly(diallyldimethylammonium chloride) on micellization behavior of anionic surface active ionic liquid 1-butyl-3-methylimidazolium dodecylsulfate [C4mim][C12SO4] in aqueous solutions. Colloid Polym Sci 2018. [DOI: 10.1007/s00396-018-4379-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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20
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Singh G, Singh G, Kang TS. Colloidal systems of surface active ionic liquids and sodium carboxymethyl cellulose: physicochemical investigations and preparation of magnetic nano-composites. Phys Chem Chem Phys 2018; 20:18528-18538. [DOI: 10.1039/c8cp02841a] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Carboxymethyl cellulose-surface active ionic liquid colloidal formulations for preparation of magnetic nano-composites.
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Affiliation(s)
- Gagandeep Singh
- Department of Chemistry
- UGC-Centre for Advance Studies – II
- Guru Nanak Dev University
- Amritsar
- India
| | - Gurbir Singh
- Department of Chemistry
- UGC-Centre for Advance Studies – II
- Guru Nanak Dev University
- Amritsar
- India
| | - Tejwant Singh Kang
- Department of Chemistry
- UGC-Centre for Advance Studies – II
- Guru Nanak Dev University
- Amritsar
- India
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21
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Effect of a copolymer poly(4-styrenesufonic acid-co-maleic acid) sodium salt on aggregation behaviour of imidazolium based surface active ionic liquid in aqueous solution. J Mol Liq 2017. [DOI: 10.1016/j.molliq.2017.09.081] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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22
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Vashishat R, Chabba S, Mahajan RK. Surface active ionic liquid induced conformational transition in aqueous medium of hemoglobin. RSC Adv 2017. [DOI: 10.1039/c7ra00075h] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
The molecular interactions and effect of SAILs on the conformation of human hemoglobin (Hb) has been studied using various techniques.
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Affiliation(s)
- Rajni Vashishat
- Department of Chemistry
- UGC-Centre for Advanced Studies
- Guru Nanak Dev University
- Amritsar-143005
- India
| | - Shruti Chabba
- Department of Chemistry
- UGC-Centre for Advanced Studies
- Guru Nanak Dev University
- Amritsar-143005
- India
| | - Rakesh Kumar Mahajan
- Department of Chemistry
- UGC-Centre for Advanced Studies
- Guru Nanak Dev University
- Amritsar-143005
- India
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23
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Kaar JL. Lipase Activation and Stabilization in Room-Temperature Ionic Liquids. METHODS IN MOLECULAR BIOLOGY (CLIFTON, N.J.) 2016; 1504:25-35. [PMID: 27770412 DOI: 10.1007/978-1-4939-6499-4_4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Widespread interest in the use of room-temperature ionic liquids (RTILs) as solvents in anhydrous biocatalytic reactions has largely been met with underwhelming results. Enzymes are frequently inactivated in RTILs as a result of the influence of solvent on the enzyme's microenvironment, be it through interacting with the enzyme or enzyme-bound water molecules. The purpose of this chapter is to present a rational approach to mediate RTIL-enzyme interactions, which is essential if we are to realize the advantages of RTILs over conventional solvents for biocatalysis in full. The underlying premise for this approach is the stabilization of enzyme structure via multipoint covalent immobilization within a polyurethane foam matrix. Additionally, the approach entails the use of salt hydrates to control the level of hydration of the immobilized enzyme, which is critical to the activation of enzymes in nonaqueous media. Although lipase is used as a model enzyme, this approach may be effective in activating and stabilizing virtually any enzyme in RTILs.
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Affiliation(s)
- Joel L Kaar
- Department of Chemical and Biological Engineering, University of Colorado, Campus Box 596, Boulder, CO, 80309, USA.
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24
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Barhoumi Z, Saini M, Amdouni N, Pal A. Interaction between amphiphilic ionic liquid 1-butyl-3-methylimidazolium octyl sulfate and anionic polymer of sodium polystyrene sulfonate in aqueous medium. Chem Phys Lett 2016. [DOI: 10.1016/j.cplett.2016.08.016] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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25
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Kumari M, Dohare N, Maurya N, Dohare R, Patel R. Effect of 1-methyl-3-octyleimmidazolium chloride on the stability and activity of lysozyme: a spectroscopic and molecular dynamics studies. J Biomol Struct Dyn 2016; 35:2016-2030. [DOI: 10.1080/07391102.2016.1204946] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Meena Kumari
- Biophysical Chemistry Laboratory, Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia (A Central University), New Delhi 110025, India
| | - Neeraj Dohare
- Biophysical Chemistry Laboratory, Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia (A Central University), New Delhi 110025, India
| | - Neha Maurya
- Biophysical Chemistry Laboratory, Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia (A Central University), New Delhi 110025, India
| | - Ravins Dohare
- Nonlinear Dynamic Laboratory, Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia (A Central University), New Delhi 110025, India
| | - Rajan Patel
- Biophysical Chemistry Laboratory, Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia (A Central University), New Delhi 110025, India
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26
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Singh G, Singh G, Kang TS. Effect of alkyl chain functionalization of ionic liquid surfactants on the complexation and self-assembling behavior of polyampholyte gelatin in aqueous medium. Phys Chem Chem Phys 2016; 18:25993-26009. [DOI: 10.1039/c6cp04664a] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The interactional behavior of ILSs towards gelatin forming structurally different ILS mediated self-assemblies depending on the nature of the ILS and counterion binding is shown.
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Affiliation(s)
- Gagandeep Singh
- Department of Chemistry
- UGC-Centre for Advance Studies–II
- Guru Nanak Dev University
- Amritsar
- India
| | - Gurbir Singh
- Department of Chemistry
- UGC-Centre for Advance Studies–II
- Guru Nanak Dev University
- Amritsar
- India
| | - Tejwant Singh Kang
- Department of Chemistry
- UGC-Centre for Advance Studies–II
- Guru Nanak Dev University
- Amritsar
- India
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27
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Physicochemical study of the interaction of lysozyme with surface active ionic liquid 1-butyl-3-methylimidazolium octylsulfate [BMIM] [OS] in aqueous and buffer media. Colloids Surf A Physicochem Eng Asp 2015. [DOI: 10.1016/j.colsurfa.2015.07.052] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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28
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Derkach SR. Interfacial layers of complex-forming ionic surfactants with gelatin. Adv Colloid Interface Sci 2015; 222:172-98. [DOI: 10.1016/j.cis.2014.05.001] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2014] [Revised: 05/14/2014] [Accepted: 05/15/2014] [Indexed: 11/30/2022]
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29
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Ray D, Das S, De R, Das B. Sodium carboxymethylcellulose-induced aggregation of 1-decyl-3-methylimidazolium chloride in aqueous solutions. Carbohydr Polym 2015; 125:255-64. [PMID: 25857982 DOI: 10.1016/j.carbpol.2015.02.047] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2014] [Revised: 02/23/2015] [Accepted: 02/26/2015] [Indexed: 10/23/2022]
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30
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Ren H, Xin X, Wang L, Ju H, Zhamanding A, Xu G. A direct comparison of the interaction of bovine serum albumin and gelatin with sodium deoxycholate in aqueous solutions. J Mol Liq 2015. [DOI: 10.1016/j.molliq.2015.03.017] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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31
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Sharma R, Kang TS, Mahajan RK. Complexation of triblock reverse copolymer 10R5 with surface active ionic liquids in aqueous medium: a physico-chemical study. RSC Adv 2015. [DOI: 10.1039/c5ra00515a] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A comprehensive study on the interactions of surface active ionic liquids (SAILs) [Cnmim][Cl], where n = 8, 10, and 12, with a triblock reverse copolymer, 10R5, [(PPO)8–(PEO)22–(PPO)8] has been performed using various physico-chemical techniques.
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Affiliation(s)
- Renu Sharma
- Department of Chemistry
- UGC-Centre for Advanced Studies-I
- Guru Nanak Dev University
- Amritsar-143005
- India
| | - Tejwant Singh Kang
- Department of Chemistry
- UGC-Centre for Advanced Studies-I
- Guru Nanak Dev University
- Amritsar-143005
- India
| | - Rakesh Kumar Mahajan
- Department of Chemistry
- UGC-Centre for Advanced Studies-I
- Guru Nanak Dev University
- Amritsar-143005
- India
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32
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Bharmoria P, Trivedi TJ, Pabbathi A, Samanta A, Kumar A. Ionic liquid-induced all-α to α + β conformational transition in cytochrome c with improved peroxidase activity in aqueous medium. Phys Chem Chem Phys 2015; 17:10189-99. [DOI: 10.1039/c4cp06044j] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Choline dioctylsulfosuccinate [Cho][AOT] (a surface active ionic liquid) has been found to induce all-α to α + β conformational transition in the secondary structure of enzyme cytochrome c (Cyt c) with an enhanced peroxidase activity in its aqueous vesicular phase at pH 7.0.
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Affiliation(s)
- Pankaj Bharmoria
- Academy of Scientific and Innovative research (AcSIR)
- Central Salt and Marine Chemicals Research Institute
- Council of Scientific and Industrial Research (CSIR)
- Bhavnagar-364002
- India
| | - Tushar J. Trivedi
- Graduate School of EEWS (Energy Environment Water Sustainability)
- KAIST
- Daejeon 305-701
- Republic of Korea
| | - Ashok Pabbathi
- School of Chemistry
- University of Hyderabad
- Hyderabad 500 046
- India
| | - Anunay Samanta
- School of Chemistry
- University of Hyderabad
- Hyderabad 500 046
- India
| | - Arvind Kumar
- Academy of Scientific and Innovative research (AcSIR)
- Central Salt and Marine Chemicals Research Institute
- Council of Scientific and Industrial Research (CSIR)
- Bhavnagar-364002
- India
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33
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Kumari M, Maurya JK, Tasleem M, Singh P, Patel R. Probing HSA-ionic liquid interactions by spectroscopic and molecular docking methods. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2014; 138:27-35. [DOI: 10.1016/j.jphotobiol.2014.05.009] [Citation(s) in RCA: 84] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/04/2014] [Revised: 04/19/2014] [Accepted: 05/12/2014] [Indexed: 01/08/2023]
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34
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Bharmoria P, Mehta MJ, Pancha I, Kumar A. Structural and Functional Stability of Cellulase in Aqueous-Biamphiphilic Ionic Liquid Surfactant Solution. J Phys Chem B 2014; 118:9890-9. [DOI: 10.1021/jp506211b] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Pankaj Bharmoria
- Academy of Scientific and Innovative Research (AcSIR) and ‡Salt and Marine Chemical Discipline, Central Salt and Marine Chemicals Research Institute, Council of Scientific & Industrial Research (CSIR), G. B. Marg, Bhavnagar-364002, Gujarat, India
| | - Mohit J. Mehta
- Academy of Scientific and Innovative Research (AcSIR) and ‡Salt and Marine Chemical Discipline, Central Salt and Marine Chemicals Research Institute, Council of Scientific & Industrial Research (CSIR), G. B. Marg, Bhavnagar-364002, Gujarat, India
| | - Imran Pancha
- Academy of Scientific and Innovative Research (AcSIR) and ‡Salt and Marine Chemical Discipline, Central Salt and Marine Chemicals Research Institute, Council of Scientific & Industrial Research (CSIR), G. B. Marg, Bhavnagar-364002, Gujarat, India
| | - Arvind Kumar
- Academy of Scientific and Innovative Research (AcSIR) and ‡Salt and Marine Chemical Discipline, Central Salt and Marine Chemicals Research Institute, Council of Scientific & Industrial Research (CSIR), G. B. Marg, Bhavnagar-364002, Gujarat, India
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35
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Yin T, Qin M, Yang Y, Zheng P, Fan D, Shen W. The interactions of ι-carrageenan with cationic surfactants in aqueous solutions. SOFT MATTER 2014; 10:4126-36. [PMID: 24752291 DOI: 10.1039/c4sm00322e] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
The interactions between the anionic polymer ι-carrageenan (IC) and the cationic surfactants 1-dodecyl-3-methylimidazolium bromide (C12mimBr), dodecyltrimethylammonium bromide (DTAB) and ethyl-α,ω-bis(dodecyldimethylammonium)dibromide (12-2-12) have been studied by fluorimetry and isothermal titration calorimetry. Our experimental results showed that at a low surfactant concentration, the monomers adsorbed on the IC chains through the electrostatic attraction, followed by the formation of induced micelles on the IC chains through the hydrophobic interaction until the IC chains are saturated by surfactant molecules; after that the added surfactant formed free micelles in the solution. A pseudo-phase-equilibrium thermodynamic model was proposed to explain the experimental results and to understand the mechanisms of the interactions in these three systems. Moreover, the salt effect on the interactions was investigated and found that it changed the critical concentrations but not the interaction mechanism.
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Affiliation(s)
- Tianxiang Yin
- School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China.
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36
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Derkach SR. WITHDRAWN: Interfacial layers of complex-forming ionic surfactants with gelatin. Adv Colloid Interface Sci 2014:S0001-8686(14)00194-8. [PMID: 24997869 DOI: 10.1016/j.cis.2014.05.006] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2014] [Accepted: 05/14/2014] [Indexed: 10/25/2022]
Abstract
The Publisher regrets that this article is an accidental duplication of an article that has already been published, http://dx.doi.org/ 10.1016/j.cis.2014.05.001. The duplicate article has therefore been withdrawn.
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Affiliation(s)
- Svetlana R Derkach
- Murmansk State Technical University, 13, Sportivnaya str., Murmansk 13183010, Russia.
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37
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Recent Advances in the Applications of Ionic Liquids in Protein Stability and Activity: A Review. Appl Biochem Biotechnol 2014; 172:3701-20. [DOI: 10.1007/s12010-014-0813-6] [Citation(s) in RCA: 202] [Impact Index Per Article: 20.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2013] [Accepted: 02/14/2014] [Indexed: 01/28/2023]
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38
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Liu Y, Yang L, Mao H, Guo R. Comparative studies on the interaction of [C4mim]Br, and [C8mim]Br with β-casein micelles. Colloids Surf A Physicochem Eng Asp 2014. [DOI: 10.1016/j.colsurfa.2013.10.012] [Citation(s) in RCA: 9] [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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39
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Sharma R, Mahajan RK. Influence of various additives on the physicochemical properties of imidazolium based ionic liquids: a comprehensive review. RSC Adv 2014. [DOI: 10.1039/c3ra42228c] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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40
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Relating the variation of secondary structure of gelatin at fish oil–water interface to adsorption kinetics, dynamic interfacial tension and emulsion stability. Food Chem 2014; 143:484-91. [DOI: 10.1016/j.foodchem.2013.07.130] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2013] [Revised: 07/08/2013] [Accepted: 07/29/2013] [Indexed: 11/22/2022]
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41
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Bharmoria P, Rao KS, Trivedi TJ, Kumar A. Biamphiphilic Ionic Liquid Induced Folding Alterations in the Structure of Bovine Serum Albumin in Aqueous Medium. J Phys Chem B 2013; 118:115-24. [DOI: 10.1021/jp4102042] [Citation(s) in RCA: 79] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Pankaj Bharmoria
- Academy of Scientific and Innovative Research (AcSIR) and ‡Central Salt and Marine Chemicals Research Institute, Council of Scientific & Industrial Research (CSIR), G. B. Marg, Bhavnagar-364002, Gujarat, India
| | - K. Srinivasa Rao
- Academy of Scientific and Innovative Research (AcSIR) and ‡Central Salt and Marine Chemicals Research Institute, Council of Scientific & Industrial Research (CSIR), G. B. Marg, Bhavnagar-364002, Gujarat, India
| | - Tushar J. Trivedi
- Academy of Scientific and Innovative Research (AcSIR) and ‡Central Salt and Marine Chemicals Research Institute, Council of Scientific & Industrial Research (CSIR), G. B. Marg, Bhavnagar-364002, Gujarat, India
| | - Arvind Kumar
- Academy of Scientific and Innovative Research (AcSIR) and ‡Central Salt and Marine Chemicals Research Institute, Council of Scientific & Industrial Research (CSIR), G. B. Marg, Bhavnagar-364002, Gujarat, India
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42
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Bharmoria P, Singh T, Kumar A. Complexation of chitosan with surfactant like ionic liquids: Molecular interactions and preparation of chitosan nanoparticles. J Colloid Interface Sci 2013; 407:361-9. [DOI: 10.1016/j.jcis.2013.06.032] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2013] [Revised: 06/14/2013] [Accepted: 06/15/2013] [Indexed: 10/26/2022]
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43
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Nordwald EM, Kaar JL. Mediating Electrostatic Binding of 1-Butyl-3-methylimidazolium Chloride to Enzyme Surfaces Improves Conformational Stability. J Phys Chem B 2013; 117:8977-86. [DOI: 10.1021/jp404760w] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Erik M. Nordwald
- Department of Chemical
and Biological Engineering, University of Colorado, Boulder, Colorado 80309, United
States
| | - Joel L. Kaar
- Department of Chemical
and Biological Engineering, University of Colorado, Boulder, Colorado 80309, United
States
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44
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Sharma R, Mahajan S, Mahajan RK. Surface adsorption and mixed micelle formation of surface active ionic liquid in cationic surfactants: Conductivity, surface tension, fluorescence and NMR studies. Colloids Surf A Physicochem Eng Asp 2013. [DOI: 10.1016/j.colsurfa.2013.03.023] [Citation(s) in RCA: 69] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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45
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Nordwald EM, Kaar JL. Stabilization of enzymes in ionic liquids via modification of enzyme charge. Biotechnol Bioeng 2013; 110:2352-60. [DOI: 10.1002/bit.24910] [Citation(s) in RCA: 73] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2013] [Revised: 03/05/2013] [Accepted: 03/12/2013] [Indexed: 12/29/2022]
Affiliation(s)
- Erik M. Nordwald
- Department of Chemical and Biological EngineeringUniversity of ColoradoCampus Box 596Boulder, Colorado80309
| | - Joel L. Kaar
- Department of Chemical and Biological EngineeringUniversity of ColoradoCampus Box 596Boulder, Colorado80309
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46
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Asai H, Nishi K, Hiroi T, Fujii K, Sakai T, Shibayama M. Gelation process of Tetra-PEG ion-gel investigated by time-resolved dynamic light scattering. POLYMER 2013. [DOI: 10.1016/j.polymer.2012.12.053] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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47
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Bharmoria P, Kumar A. Interactional behaviour of surface active ionic liquids with gelling biopolymer agarose in aqueous medium. RSC Adv 2013. [DOI: 10.1039/c3ra41980k] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
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48
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Wang X, Liu J, Sun L, Yu L, Jiao J, Wang R. Interaction of Bovine Serum Albumin with Ester-Functionalized Anionic Surface-Active Ionic Liquids in Aqueous Solution: A Detailed Physicochemical and Conformational Study. J Phys Chem B 2012; 116:12479-88. [DOI: 10.1021/jp307516a] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Xiaoqing Wang
- Key Laboratory of Colloid and
Interface Chemistry, Shandong University, Ministry of Education, Jinan 250100, People's Republic of China
| | - Jie Liu
- Department of Chemistry, Liaocheng University, Liaocheng 252059, People's Republic
of China
| | - Limei Sun
- Working Station
for Postdoctoral
Scientific Research in Shengli Oil Field, Dongying, 257002, People's
Republic of China
| | - Li Yu
- Key Laboratory of Colloid and
Interface Chemistry, Shandong University, Ministry of Education, Jinan 250100, People's Republic of China
| | - Jingjing Jiao
- Key Laboratory of Colloid and
Interface Chemistry, Shandong University, Ministry of Education, Jinan 250100, People's Republic of China
| | - Rui Wang
- Key Laboratory of Colloid and
Interface Chemistry, Shandong University, Ministry of Education, Jinan 250100, People's Republic of China
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49
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Singh T, Bharmoria P, Morikawa MA, Kimizuka N, Kumar A. Ionic Liquids Induced Structural Changes of Bovine Serum Albumin in Aqueous Media: A Detailed Physicochemical and Spectroscopic Study. J Phys Chem B 2012; 116:11924-35. [DOI: 10.1021/jp303609h] [Citation(s) in RCA: 84] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Tejwant Singh
- Department
of Chemistry and
Biochemistry, Graduate School of Engineering, Centre for Molecular
Systems (CMS), Kyushu University, 744-Moto-oka,
Nishi-ku, Fukuoka-819-0395, Japan
| | - Pankaj Bharmoria
- CSIR-Central Salt and Marine Chemicals Research Institute, Council of Scientific & Industrial Research (CSIR), G. B. Marg, Bhavnagar-364002, Gujarat, India
| | - Masa-aki Morikawa
- Department
of Chemistry and
Biochemistry, Graduate School of Engineering, Centre for Molecular
Systems (CMS), Kyushu University, 744-Moto-oka,
Nishi-ku, Fukuoka-819-0395, Japan
| | - Nobuo Kimizuka
- Department
of Chemistry and
Biochemistry, Graduate School of Engineering, Centre for Molecular
Systems (CMS), Kyushu University, 744-Moto-oka,
Nishi-ku, Fukuoka-819-0395, Japan
| | - Arvind Kumar
- CSIR-Central Salt and Marine Chemicals Research Institute, Council of Scientific & Industrial Research (CSIR), G. B. Marg, Bhavnagar-364002, Gujarat, India
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50
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Rawat K, Bohidar HB. Universal Charge Quenching and Stability of Proteins in 1-Methyl-3-alkyl (Hexyl/Octyl) Imidazolium Chloride Ionic Liquid Solutions. J Phys Chem B 2012; 116:11065-74. [DOI: 10.1021/jp3049108] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Kamla Rawat
- Polymer and Biophysics Laboratory, School of Physical
Sciences, Jawaharlal Nehru University,
New Delhi 110067, India
| | - H. B. Bohidar
- Polymer and Biophysics Laboratory, School of Physical
Sciences, Jawaharlal Nehru University,
New Delhi 110067, India
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