1
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Garg M, Sharma D, Kaur G, Rawat J, Goyal B, Kumar S, Kumar R. Factor defining the effects of tetraalkylammonium chloride on stability, folding, and dynamics of horse cytochrome c. Int J Biol Macromol 2024; 276:133713. [PMID: 38986993 DOI: 10.1016/j.ijbiomac.2024.133713] [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: 05/06/2024] [Revised: 07/04/2024] [Accepted: 07/05/2024] [Indexed: 07/12/2024]
Abstract
This article describes the molecular mechanism by which tetraalkylammonium chloride ([R4N]Cl: R- = methyl (Me), ethyl (Et), propyl (Pr),butyl (Bu)) modulates the stability, folding, and dynamics of cytochrome c (Cyt c). Analysis of [R4N]Cl effects on thermal/chemical denaturations, millisecond refolding/unfolding kinetics, and slow CO-association kinetics of Cyt c without and with denaturant providing some significant results: (i) [R4N]Cl decreasing the unfolding free energy estimated by thermodynamic and kinetic analysis of thermal/chemical denaturation curves and kinetic chevrons (Log kobs-[GdmCl]) of Cyt c, respectively (ii) hydrophobicity of R-group of [R4N]Cl, preferential inclusion of [R4N]Cl at the protein surface, and destabilizing enthalpic attractive interactions of [Me4N]Cl and steric entropic interactions of [Et4N]Cl,[Pr4N]Cl and [Bu4N]Cl with protein contribute to [R4N]Cl-induced decrease thermodynamic stability of Cyt c (iii) [R4N]Cl exhibits an additive effect with denaturant to decrease thermodynamic stability and refolding rates of Cyt c (iv) low concentrations of [R4N]Cl (≤ 0.5 M) constrain the motional dynamics while the higher concentrations (>0.75 M [R4N]Cl) enhance the structural-fluctuations that denture protein (v) hydrophobicity of R-group of [R4N]Cl alters the [denaturant]-dependent conformational stability, refolding-unfolding kinetics, and CO-association kinetics of Cyt c. Furthermore, the MD simulations depicted that the addition of 1.0 M of [R4N]Cl increased the conformational fluctuations in Cyt c leading to decreased structural stability in the order [Me4N]Cl < [Et4N]Cl < [Pr4N]Cl < [Bu4N]Cl consistent with the experimental results.
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Affiliation(s)
- Mansi Garg
- Department of Chemistry, Central University of Punjab, Bathinda 151001, India
| | - Deepak Sharma
- Council of Scientific and Industrial Research-Institute of Microbial Technology, Sector 39A, Academy of Scientific & Innovative Research, Chandigarh, India
| | - Gurmeet Kaur
- Department of Chemistry and Biochemistry, Thapar Institute of Engineering and Technology, Patiala 147004, India
| | - Jayanti Rawat
- Department of Chemistry, Central University of Punjab, Bathinda 151001, India
| | - Bhupesh Goyal
- Department of Chemistry and Biochemistry, Thapar Institute of Engineering and Technology, Patiala 147004, India
| | - Sumit Kumar
- Department of Chemistry, Central University of Punjab, Bathinda 151001, India
| | - Rajesh Kumar
- Department of Chemistry, Central University of Punjab, Bathinda 151001, India.
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2
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Kuddushi M, Xu BB, Malek N, Zhang X. Review of ionic liquid and ionogel-based biomaterials for advanced drug delivery. Adv Colloid Interface Sci 2024; 331:103244. [PMID: 38959813 DOI: 10.1016/j.cis.2024.103244] [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: 02/14/2024] [Revised: 06/19/2024] [Accepted: 06/23/2024] [Indexed: 07/05/2024]
Abstract
Ionic liquids (ILs) play a crucial role in the design of novel materials. The ionic nature of ILs provides numerous advantages in drug delivery, acting as a green solvent or active ingredient to enhance the solubility, permeability, and binding efficiency of drugs. They could also function as a structuring agent in the development of nano/micro particles for drug delivery, including micelles, vesicles, gels, emulsion, and more. This review summarize the ILs and IL-based gel structures with their advanced drug delivery applications. The first part of review focuses on the role of ILs in drug formulation and the applications of ILs in drug delivery. The second part of review offers a comprehensive overview of recent drug delivery applications of IL-based gel. It aims to offer new perspectives and attract more attention to open up new avenues in the biomedical applications of ILs and IL-based gels.
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Affiliation(s)
- Muzammil Kuddushi
- Department of Chemical and Materials Engineering, University of Alberta, Alberta T6G 1H9, Canada
| | - Ben Bin Xu
- Mechanical and Construction Engineering, Faculty of Engineering and Environment, Northumbria University, Newcastle Upon Tyne NE1 8ST, UK
| | - Naved Malek
- Ionic Liquid Research Laboratory, Department of Chemistry, Sardar Vallabhbhai National Institute of Technology, Surat 07, India
| | - Xuehua Zhang
- Department of Chemical and Materials Engineering, University of Alberta, Alberta T6G 1H9, Canada.
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3
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Han Q, Veríssimo NVP, Bryant SJ, Martin AV, Huang Y, Pereira JFB, Santos-Ebinuma VC, Zhai J, Bryant G, Drummond CJ, Greaves TL. Scattering approaches to unravel protein solution behaviors in ionic liquids and deep eutectic solvents: From basic principles to recent developments. Adv Colloid Interface Sci 2024; 331:103242. [PMID: 38964196 DOI: 10.1016/j.cis.2024.103242] [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: 10/22/2023] [Revised: 06/17/2024] [Accepted: 06/19/2024] [Indexed: 07/06/2024]
Abstract
Proteins in ionic liquids (ILs) and deep eutectic solvents (DESs) have gained significant attention due to their potential applications in various fields, including biocatalysis, bioseparation, biomolecular delivery, and structural biology. Scattering approaches including dynamic light scattering (DLS) and small-angle X-ray and neutron scattering (SAXS and SANS) have been used to understand the solution behavior of proteins at the nanoscale and microscale. This review provides a thorough exploration of the application of these scattering techniques to elucidate protein properties in ILs and DESs. Specifically, the review begins with the theoretical foundations of the relevant scattering approaches and describes the essential solvent properties of ILs and DESs linked to scattering such as refractive index, scattering length density, ion-pairs, liquid nanostructure, solvent aggregation, and specific ion effects. Next, a detailed introduction is provided on protein properties such as type, concentration, size, flexibility and structure as observed through scattering methodologies. This is followed by a review of the literature on the use of scattering for proteins in ILs and DESs. It is highlighted that enhanced data analysis and modeling tools are necessary for assessing protein flexibility and structure, and for understanding protein hydration, aggregation and specific ion effects. It is also noted that complementary approaches are recommended for comprehensively understanding the behavior of proteins in solution due to the complex interplay of factors, including ion-binding, dynamic hydration, intermolecular interactions, and specific ion effects. Finally, the challenges and potential research directions for this field are proposed, including experimental design, data analysis approaches, and supporting methods to obtain fundamental understandings of complex protein behavior and protein systems in solution. We envisage that this review will support further studies of protein interface science, and in particular studies on solvent and ion effects on proteins.
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Affiliation(s)
- Qi Han
- School of Science, STEM College, RMIT University, Melbourne, VIC 3000, Australia.
| | - Nathalia V P Veríssimo
- Department of Pharmaceutical Sciences, School of Pharmaceutical Sciences, University of São Paulo, Ribeirão Preto 14040-020, Brazil
| | - Saffron J Bryant
- School of Science, STEM College, RMIT University, Melbourne, VIC 3000, Australia
| | - Andrew V Martin
- School of Science, STEM College, RMIT University, Melbourne, VIC 3000, Australia
| | - Yuhong Huang
- Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
| | - Jorge F B Pereira
- Univ Coimbra, CERES, Department of Chemical Engineering, Pólo II - Pinhal de Marrocos, Coimbra 3030-790, Portugal
| | - Valéria C Santos-Ebinuma
- Department of Pharmaceutical Sciences, School of Pharmaceutical Sciences, University of São Paulo, Ribeirão Preto 14040-020, Brazil
| | - Jiali Zhai
- School of Science, STEM College, RMIT University, Melbourne, VIC 3000, Australia
| | - Gary Bryant
- School of Science, STEM College, RMIT University, Melbourne, VIC 3000, Australia
| | - Calum J Drummond
- School of Science, STEM College, RMIT University, Melbourne, VIC 3000, Australia
| | - Tamar L Greaves
- School of Science, STEM College, RMIT University, Melbourne, VIC 3000, Australia.
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4
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Mor S, Yadav R, Bhakuni K, Rawat P, Bisht M, Deenadayalu N, Venkatesu P. Unraveling the Role of Deep Eutectic Solvents with Varying Hydrogen-Bond Acceptors on the Thermoresponsive Polymer Poly( N-isopropylacrylamide). J Phys Chem B 2024. [PMID: 38683962 DOI: 10.1021/acs.jpcb.4c00888] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/02/2024]
Abstract
Deep eutectic solvents (DESs) have emerged as promising tools for crafting polymeric materials across diverse domains. This study delves into the impact of a series of DESs on the phase behavior of poly(N-isopropylacrylamide) (PNIPAM) in aqueous environments, presenting compelling insights into their performance. Specifically, we explore the conformational phase behavior of PNIPAM in the presence of four distinct lactic acid (LA)-based DESs: LA-betaine (LA-BET), LA-proline (LA-PRO), LA-choline chloride (LA-CC), and LA-urea (LA-U). By maintaining a consistent hydrogen-bond donor (HBD) while varying the hydrogen-bond acceptor (HBA), we unravel how different DES compositions modulate the phase transition behavior of PNIPAM. Our findings underscore the profound influence of DESs comprising LA as the HBD and diverse HBAs-BET, PRO, CC, and U on the thermoresponsive behavior of PNIPAM. Employing spectroscopic techniques such as ultraviolet-visible (UV-vis) spectroscopy, steady-state fluorescence, Fourier transform infrared spectroscopy (FTIR), dynamic light scattering (DLS), ζ-potential, and transmission electron microscopy (TEM), we elucidate the preferential interactions between the HBA groups within DESs and the hydration layer of PNIPAM. Notably, temperature-dependent DLS analyses reveal a discernible decrease in the lower critical solution temperature (LCST) of PNIPAM with increasing DES concentration, ultimately disrupting the hydrogen-bond interactions and resulting in early hydrophobic collapse of the polymer, which can be clearly seen in the TEM micrographs. Furthermore, the formation of polymer composites within the mixed system leads to notable alterations in the physiochemical properties of PNIPAM, as evidenced by shifts in its LCST value in the presence of DESs. This perturbation disrupts hydrogen-bond interactions, inducing hydrophobic collapse of the polymers, a phenomenon vividly captured in TEM micrographs. In essence, our study sheds new light on the pivotal role of varying HBA groups within DESs in modulating the conformational transitions of PNIPAM. These insights not only enrich our fundamental understanding but also hold immense promise for the development of smart polymeric systems with multifaceted applications spanning bioimaging, biomedical science, polymer science, and beyond.
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Affiliation(s)
- Sanjay Mor
- Department of Chemistry, University of Delhi, Delhi 110007, India
| | - Ritu Yadav
- Department of Chemistry, University of Delhi, Delhi 110007, India
| | - Kavya Bhakuni
- Department of Chemistry, St. Stephen's College, University of Delhi, Delhi 110007, India
| | - Pradeep Rawat
- Department of Chemistry, University of Delhi, Delhi 110007, India
| | - Meena Bisht
- Department of Chemistry, Sri Venkateswara College, University of Delhi, Delhi 110007, India
| | - Nirmala Deenadayalu
- Department of Chemistry, Durban University of Technology, Durban4000, South Africa
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5
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Egorova KS, Kibardin AV, Posvyatenko AV, Ananikov VP. Mechanisms of Biological Effects of Ionic Liquids: From Single Cells to Multicellular Organisms. Chem Rev 2024; 124:4679-4733. [PMID: 38621413 DOI: 10.1021/acs.chemrev.3c00420] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/17/2024]
Abstract
The review presents a detailed discussion of the evolving field studying interactions between ionic liquids (ILs) and biological systems. Originating from molten salt electrolytes to present multiapplication substances, ILs have found usage across various fields due to their exceptional physicochemical properties, including excellent tunability. However, their interactions with biological systems and potential influence on living organisms remain largely unexplored. This review examines the cytotoxic effects of ILs on cell cultures, biomolecules, and vertebrate and invertebrate organisms. Our understanding of IL toxicity, while growing in recent years, is yet nascent. The established findings include correlations between harmful effects of ILs and their ability to disturb cellular membranes, their potential to trigger oxidative stress in cells, and their ability to cause cell death via apoptosis. Future research directions proposed in the review include studying the distribution of various ILs within cellular compartments and organelles, investigating metabolic transformations of ILs in cells and organisms, detailed analysis of IL effects on proteins involved in oxidative stress and apoptosis, correlation studies between IL doses, exposure times and resulting adverse effects, and examination of effects of subtoxic concentrations of ILs on various biological objects. This review aims to serve as a critical analysis of the current body of knowledge on IL-related toxicity mechanisms. Furthermore, it can guide researchers toward the design of less toxic ILs and the informed use of ILs in drug development and medicine.
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Affiliation(s)
- Ksenia S Egorova
- Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Moscow 119991, Russia
| | - Alexey V Kibardin
- Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology and Immunology, Ministry of Health of Russian Federation, Moscow 117198, Russia
| | - Alexandra V Posvyatenko
- Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Moscow 119991, Russia
- Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology and Immunology, Ministry of Health of Russian Federation, Moscow 117198, Russia
| | - Valentine P Ananikov
- Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Moscow 119991, Russia
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6
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Russo S, Bodo E. Solvation of Model Biomolecules in Choline-Aminoate Ionic Liquids: A Computational Simulation Using Polarizable Force Fields. Molecules 2024; 29:1524. [PMID: 38611804 PMCID: PMC11013605 DOI: 10.3390/molecules29071524] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2024] [Revised: 03/25/2024] [Accepted: 03/27/2024] [Indexed: 04/14/2024] Open
Abstract
One can foresee a very near future where ionic liquids will be used in applications such as biomolecular chemistry or medicine. The molecular details of their interaction with biological matter, however, are difficult to investigate due to the vast number of combinations of both the biological systems and the variety of possible liquids. Here, we provide a computational study aimed at understanding the interaction of a special class of biocompatible ionic liquids (choline-aminoate) with two model biological systems: an oligopeptide and an oligonucleotide. We employed molecular dynamics with a polarizable force field. Our results are in line with previous experimental and computational evidence on analogous systems and show how these biocompatible ionic liquids, in their pure form, act as gentle solvents for protein structures while simultaneously destabilizing DNA structure.
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Affiliation(s)
| | - Enrico Bodo
- Chemistry Department, University of Rome “La Sapienza”, P.le Aldo Moro 5, 00185 Rome, Italy;
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7
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Veríssimo NVP, Mussagy CU, Bento HBS, Pereira JFB, Santos-Ebinuma VDC. Ionic liquids and deep eutectic solvents for the stabilization of biopharmaceuticals: A review. Biotechnol Adv 2024; 71:108316. [PMID: 38199490 DOI: 10.1016/j.biotechadv.2024.108316] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 01/04/2024] [Accepted: 01/05/2024] [Indexed: 01/12/2024]
Abstract
Biopharmaceuticals have allowed the control of previously untreatable diseases. However, their low solubility and stability still hinder their application, transport, and storage. Hence, researchers have applied different compounds to preserve and enhance the delivery of biopharmaceuticals, such as ionic liquids (ILs) and deep eutectic solvents (DESs). Although the biopharmaceutical industry can employ various substances for enhancing formulations, their effect will change depending on the properties of the target biomolecule and environmental conditions. Hence, this review organized the current state-of-the-art on the application of ILs and DESs to stabilize biopharmaceuticals, considering the properties of the biomolecules, ILs, and DESs classes, concentration range, types of stability, and effect. We also provided a critical discussion regarding the potential utilization of ILs and DESs in pharmaceutical formulations, considering the restrictions in this field, as well as the advantages and drawbacks of these substances for medical applications. Overall, the most applied IL and DES classes for stabilizing biopharmaceuticals were cholinium-, imidazolium-, and ammonium-based, with cholinium ILs also employed to improve their delivery. Interestingly, dilute and concentrated ILs and DESs solutions presented similar results regarding the stabilization of biopharmaceuticals. With additional investigation, ILs and DESs have the potential to overcome current challenges in biopharmaceutical formulation.
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Affiliation(s)
- Nathalia Vieira Porphirio Veríssimo
- Department of Bioprocess Engineering and Biotechnology, School of Pharmaceutical Sciences, São Paulo State University, CEP: 14801-902 Araraquara, SP, Brazil; Department of Pharmaceutical Sciences, School of Pharmaceutical Sciences, São Paulo University, CEP: 14040-020 Ribeirão Preto, SP, Brazil.
| | - Cassamo Usemane Mussagy
- Escuela de Agronomía, Facultad de Ciencias Agronómicas y de los Alimentos, Pontificia Universidad Católica de Valparaíso, Quillota 2260000, Chile.
| | - Heitor Buzetti Simões Bento
- Department of Bioprocess Engineering and Biotechnology, School of Pharmaceutical Sciences, São Paulo State University, CEP: 14801-902 Araraquara, SP, Brazil.
| | | | - Valéria de Carvalho Santos-Ebinuma
- Department of Bioprocess Engineering and Biotechnology, School of Pharmaceutical Sciences, São Paulo State University, CEP: 14801-902 Araraquara, SP, Brazil.
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8
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Goulden T, Bodachivskyi I, Padula MP, Williams DBG. Concentrated ionic liquids for proteomics: Caveat emptor! Int J Biol Macromol 2023; 253:127438. [PMID: 37839603 DOI: 10.1016/j.ijbiomac.2023.127438] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 10/03/2023] [Accepted: 10/12/2023] [Indexed: 10/17/2023]
Abstract
The use of concentrated ionic liquids (ILs) in the bioanalytical chemistry of proteins is sparse; typically, dilute aqueous IL solutions are used. Concentrated ILs have unique properties that may allow researchers to dissolve previously insoluble protein analytes, to increase the depth and robustness of sample preparation and the analysis of proteins. Previous research using concentrated ILs for this purpose is sparse and there is a need to systematically investigate the structure-activity relationship between the IL structure and its capacity to solubilise proteins. Here, bovine serum albumin was dissolved in various ionic liquids and monitored over time by light microscopy and SDS-PAGE. While qualitative, these measures provide a good estimate of, respectively, the dissolving power of an IL towards the given protein and the retained integrity of the protein. Hydrophilic ILs show the best solubilisation capacity and higher temperatures (in a restricted sense) improve the solubility of the protein. Higher temperatures and longer reaction times reduce the molecular weight of the protein, which could inhibit their applicability in proteomics, unless the conditions are judiciously controlled. Researchers should exercise caution when using concentrated ILs for protein analysis until the full scope and limitations are known, an aspect we are presently investigating.
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Affiliation(s)
- Thomas Goulden
- University of Technology Sydney, School of Mathematical and Physical Sciences, 15 Broadway, Sydney, NSW 2007, Australia
| | - Iurii Bodachivskyi
- University of Technology Sydney, School of Mathematical and Physical Sciences, 15 Broadway, Sydney, NSW 2007, Australia; V.P. Kukhar Institute of Bioorganic Chemistry and Petrochemistry of the National Academy of Sciences of Ukraine, 1 Academician Kukhar St, Kyiv 02094, Ukraine
| | - Matthew P Padula
- University of Technology Sydney, School of Life Sciences, 15 Broadway, Sydney, NSW 2007, Australia
| | - D Bradley G Williams
- University of Technology Sydney, School of Mathematical and Physical Sciences, 15 Broadway, Sydney, NSW 2007, Australia; University of Wollongong, School of Chemistry and Molecular Bioscience, Wollongong, NSW 2522, Australia.
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9
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Elsayed A, Jaber N, Al-Remawi M, Abu-Salah K. From cell factories to patients: Stability challenges in biopharmaceuticals manufacturing and administration with mitigation strategies. Int J Pharm 2023; 645:123360. [PMID: 37657507 DOI: 10.1016/j.ijpharm.2023.123360] [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: 05/25/2023] [Revised: 08/19/2023] [Accepted: 08/30/2023] [Indexed: 09/03/2023]
Abstract
Active ingredients of biopharmaceuticals consist of a wide array of biomolecular structures, including those of enzymes, monoclonal antibodies, nucleic acids, and recombinant proteins. Recently, these molecules have dominated the pharmaceutical industry owing to their safety and efficacy. However, their manufacturing is hindered by high cost, inadequate batch-to-batch equivalence, inherent instability, and other quality issues. This article is an up-to-date review of the challenges encountered during different stages of biopharmaceutical production and mitigation of problems arising during their development, formulation, manufacturing, and administration. It is a broad overview discussion of stability issues encountered during product life cycle i.e., upstream processing (aggregation, solubility, host cell proteins, color change), downstream bioprocessing (aggregation, fragmentation), formulation, manufacturing, and delivery to patients.
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Affiliation(s)
- Amani Elsayed
- College of Pharmacy, Taif University, Taif 21944, Saudi Arabia
| | - Nisrein Jaber
- Faculty of Pharmacy, Al Zaytoonah University of Jordan, Amman 11733, Jordan
| | - Mayyas Al-Remawi
- Faculty of Pharmacy & Medical Sciences, University of Petra, Amman 1196, Jordan.
| | - Khalid Abu-Salah
- King Saud Bin Abdulaziz University for Health Sciences, King Abdullah International Medical Research Center, Department of Nanomedicine, Riyadh, Saudi Arabia
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10
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García MT, Bautista E, de la Fuente A, Pérez L. Cholinium-Based Ionic Liquids as Promising Antimicrobial Agents in Pharmaceutical Applications: Surface Activity, Antibacterial Activity and Ecotoxicological Profile. Pharmaceutics 2023; 15:1806. [PMID: 37513993 PMCID: PMC10385515 DOI: 10.3390/pharmaceutics15071806] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 06/20/2023] [Accepted: 06/22/2023] [Indexed: 07/30/2023] Open
Abstract
Cholinium-based ionic liquids are compounds increasingly studied in pharmaceutics and biomedicine to enhance bioavailability in drug delivery systems and as bioactive ingredients in pharmaceutical formulations. However, their potential as antimicrobial agents has scarcely been investigated. Herein, we explored the antimicrobial activity of a series of surface-active cholinium-based ionic liquids (Chol-ILs). For this purpose, Chol-ILs with alkyl chains of 10-16 carbon atoms were synthesized and their self-assembly in aqueous medium was investigated. Subsequently, their antimicrobial activity against a panel of clinically relevant bacteria and their ability to eradicate MRSA and P. aeruginosa PAO1 biofilms was evaluated. Finally, we analyzed the ecotoxicological profile of Chol-ILs in terms of susceptibility to aerobic biodegradation and acute aquatic toxicity against D. magna and V. fisheri. Our results reveal that cholinium-based ILs with alkyl chain lengths ≥12 C show a broad spectrum of antibacterial activity. Their antimicrobial efficacy depends on their hydrophobicity, with the C14-C16 homologs being the most effective compounds. These ILs exhibit antimicrobial activity similar to that of imidazolium ILs and quaternary ammonium antiseptics. Moreover, the longer alkyl chain Chol-ILs are able to eradicate established biofilms at concentrations as low as 16-32 µg/mL. The biodegradation rate of cholinium-based ILs decreases with alkyl chain elongation. Our results reinforce the suitability of Chol-ILs as promising multifunctional compounds for application in pharmaceutical and biomedical formulation.
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Affiliation(s)
- María Teresa García
- Department of Surfactants and Nanobiotechnology, Institute of Advanced Chemistry of Catalonia (IQAC-CSIC), 08034 Barcelona, Spain
| | - Elena Bautista
- Department of Surfactants and Nanobiotechnology, Institute of Advanced Chemistry of Catalonia (IQAC-CSIC), 08034 Barcelona, Spain
| | - Ana de la Fuente
- Department of Surfactants and Nanobiotechnology, Institute of Advanced Chemistry of Catalonia (IQAC-CSIC), 08034 Barcelona, Spain
| | - Lourdes Pérez
- Department of Surfactants and Nanobiotechnology, Institute of Advanced Chemistry of Catalonia (IQAC-CSIC), 08034 Barcelona, Spain
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11
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Theyagarajan K, Kim YJ. Recent Developments in the Design and Fabrication of Electrochemical Biosensors Using Functional Materials and Molecules. BIOSENSORS 2023; 13:bios13040424. [PMID: 37185499 PMCID: PMC10135976 DOI: 10.3390/bios13040424] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 03/21/2023] [Accepted: 03/24/2023] [Indexed: 05/17/2023]
Abstract
Electrochemical biosensors are superior technologies that are used to detect or sense biologically and environmentally significant analytes in a laboratory environment, or even in the form of portable handheld or wearable electronics. Recently, imprinted and implantable biosensors are emerging as point-of-care devices, which monitor the target analytes in a continuous environment and alert the intended users to anomalies. The stability and performance of the developed biosensor depend on the nature and properties of the electrode material or the platform on which the biosensor is constructed. Therefore, the biosensor platform plays an integral role in the effectiveness of the developed biosensor. Enormous effort has been dedicated to the rational design of the electrode material and to fabrication strategies for improving the performance of developed biosensors. Every year, in the search for multifarious electrode materials, thousands of new biosensor platforms are reported. Moreover, in order to construct an effectual biosensor, the researcher should familiarize themself with the sensible strategies behind electrode fabrication. Thus, we intend to shed light on various strategies and methodologies utilized in the design and fabrication of electrochemical biosensors that facilitate sensitive and selective detection of significant analytes. Furthermore, this review highlights the advantages of various electrode materials and the correlation between immobilized biomolecules and modified surfaces.
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Affiliation(s)
- K Theyagarajan
- Department of Electronic Engineering, Gachon University, Seongnam 13120, Republic of Korea
| | - Young-Joon Kim
- Department of Electronic Engineering, Gachon University, Seongnam 13120, Republic of Korea
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12
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Bounegru AV, Apetrei C. Tyrosinase Immobilization Strategies for the Development of Electrochemical Biosensors-A Review. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:760. [PMID: 36839128 PMCID: PMC9962745 DOI: 10.3390/nano13040760] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/22/2023] [Revised: 02/11/2023] [Accepted: 02/15/2023] [Indexed: 06/18/2023]
Abstract
The development of enzyme biosensors has successfully overcome various challenges such as enzyme instability, loss of enzyme activity or long response time. In the electroanalytical field, tyrosinase is used to develop biosensors that exploit its ability to catalyze the oxidation of numerous types of phenolic compounds with antioxidant and neurotransmitter roles. This review critically examines the main tyrosinase immobilization techniques for the development of sensitive electrochemical biosensors. Immobilization strategies are mainly classified according to the degree of reversibility/irreversibility of enzyme binding to the support material. Each tyrosinase immobilization method has advantages and limitations, and its selection depends mainly on the type of support electrode, electrode-modifying nanomaterials, cross-linking agent or surfactants used. Tyrosinase immobilization by cross-linking is characterized by very frequent use with outstanding performance of the developed biosensors. Additionally, research in recent years has focused on new immobilization strategies involving cross-linking, such as cross-linked enzyme aggregates (CLEAs) and magnetic cross-linked enzyme aggregates (mCLEAs). Therefore, it can be considered that cross-linking immobilization is the most feasible and economical approach, also providing the possibility of selecting the reagents used and the order of the immobilization steps, which favor the enhancement of biosensor performance characteristics.
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13
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Almeida C, Pedro AQ, Tavares APM, Neves MC, Freire MG. Ionic-liquid-based approaches to improve biopharmaceuticals downstream processing and formulation. Front Bioeng Biotechnol 2023; 11:1037436. [PMID: 36824351 PMCID: PMC9941158 DOI: 10.3389/fbioe.2023.1037436] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Accepted: 01/23/2023] [Indexed: 02/10/2023] Open
Abstract
The emergence of biopharmaceuticals, including proteins, nucleic acids, peptides, and vaccines, revolutionized the medical field, contributing to significant advances in the prophylaxis and treatment of chronic and life-threatening diseases. However, biopharmaceuticals manufacturing involves a set of complex upstream and downstream processes, which considerably impact their cost. In particular, despite the efforts made in the last decades to improve the existing technologies, downstream processing still accounts for more than 80% of the total biopharmaceutical production cost. On the other hand, the formulation of biological products must ensure they maintain their therapeutic performance and long-term stability, while preserving their physical and chemical structure. Ionic-liquid (IL)-based approaches arose as a promise alternative, showing the potential to be used in downstream processing to provide increased purity and recovery yield, as well as excipients for the development of stable biopharmaceutical formulations. This manuscript reviews the most important progress achieved in both fields. The work developed is critically discussed and complemented with a SWOT analysis.
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Affiliation(s)
- Catarina Almeida
- CICECO-Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, Aveiro, Portugal
| | - Augusto Q. Pedro
- CICECO-Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, Aveiro, Portugal
| | - Ana P. M. Tavares
- CICECO-Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, Aveiro, Portugal
| | - Márcia C. Neves
- CICECO-Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, Aveiro, Portugal
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14
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Ionic liquids as protein stabilizers for biological and biomedical applications: A review. Biotechnol Adv 2022; 61:108055. [DOI: 10.1016/j.biotechadv.2022.108055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 10/13/2022] [Accepted: 10/23/2022] [Indexed: 11/22/2022]
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15
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Garg M, Sharma D, Kumar R. Analysis of the effect of 1-Allyl-3-Methylimidazolium chloride on thermodynamic stability, folding kinetics, and motional dynamics of horse cytochrome c. Biophys Chem 2022; 290:106892. [PMID: 36115294 DOI: 10.1016/j.bpc.2022.106892] [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: 06/25/2022] [Revised: 09/03/2022] [Accepted: 09/04/2022] [Indexed: 11/02/2022]
Abstract
1-allyl-3-methylimidazolium chloride (AMIMCl) acts as a potential green solvent for proteins. The present work provides a possible pathway by which the structural, kinetic, thermodynamic, and folding properties of horse cytochrome c (cyt c) are affected in green aqueous-AMIMCl systems. Analysis of the effect of AMIMCl on thermodynamic stability, refolding/unfolding kinetics, and motional dynamics of cyt c provided important information, (i) AMIMCl decreases the thermodynamic stability of reduced cyt c and also strengthens the guanidinium chloride (GdmCl)-mediated decrease in thermodynamic stability of protein, (ii) AMIMCl reduces the thermal-fluctuation of Met80-containing omega-loop of natively-folded compact state of carbonmonoxycytochrome c (MCO-state) due to polyfunctional interactions between the AMIM+ and different groups of protein, (iii) AMIMCl shifts the kinetic chevron plot, ln kobs[GdmCl] to the lower concentration of GdmCl, (iv) AMIMCl shifts the refolding and unfolding limps to vertically downwards and upwards, respectively, and (v) AMIMCl reducing the unfolding free energy estimated by both thermodynamic and kinetic analysis.
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Affiliation(s)
- Mansi Garg
- Department of Chemistry, Central University of Punjab, Bathinda 151001, India
| | - Deepak Sharma
- Council of Scientific and Industrial Research- Institute of Microbial Technology, Sector 39A, Chandigarh, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, India
| | - Rajesh Kumar
- Department of Chemistry, Central University of Punjab, Bathinda 151001, India.
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16
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An Overview on the Recent Advances in Alternative Solvents as Stabilizers of Proteins and Enzymes. CHEMENGINEERING 2022. [DOI: 10.3390/chemengineering6040051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Currently, the use of alternative solvents is increasing, namely ionic liquids (ILs) and deep eutectic solvents (DESs) in diverse fields of knowledge, such as biochemistry, chemistry, chemical engineering, biotechnology and biomedicine. Particularly, when compared to traditional solvents, these alternative solvents have great importance for biomolecules due to the enhanced solubility, structure stability and the biological activity of biomolecules, such as protein and enzymes. Thus, in this review article, the recent developments and efforts on the technological developments carried out with ILs and DESs for the stabilization and activation of proteins and enzymes are provided. The most studied IL- and DES-based formulations for proteins and enzymes are discussed and the molecular mechanisms and interactions related to the increased stability promoted by these alternative solvents are disclosed, while emphasizing their main advantages.
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17
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Gonçalves AM, Sousa Â, Pedro AQ, Romão MJ, Queiroz JA, Gallardo E, Passarinha LA. Advances in Membrane-Bound Catechol-O-Methyltransferase Stability Achieved Using a New Ionic Liquid-Based Storage Formulation. Int J Mol Sci 2022; 23:ijms23137264. [PMID: 35806268 PMCID: PMC9266758 DOI: 10.3390/ijms23137264] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Revised: 06/26/2022] [Accepted: 06/28/2022] [Indexed: 02/04/2023] Open
Abstract
Membrane-bound catechol-O-methyltransferase (MBCOMT), present in the brain and involved in the main pathway of the catechol neurotransmitter deactivation, is linked to several types of human dementia, which are relevant pharmacological targets for new potent and nontoxic inhibitors that have been developed, particularly for Parkinson’s disease treatment. However, the inexistence of an MBCOMT 3D-structure presents a blockage in new drugs’ design and clinical studies due to its instability. The enzyme has a clear tendency to lose its biological activity in a short period of time. To avoid the enzyme sequestering into a non-native state during the downstream processing, a multi-component buffer plays a major role, with the addition of additives such as cysteine, glycerol, and trehalose showing promising results towards minimizing hMBCOMT damage and enhancing its stability. In addition, ionic liquids, due to their virtually unlimited choices for cation/anion paring, are potential protein stabilizers for the process and storage buffers. Screening experiments were designed to evaluate the effect of distinct cation/anion ILs interaction in hMBCOMT enzymatic activity. The ionic liquids: choline glutamate [Ch][Glu], choline dihydrogen phosphate ([Ch][DHP]), choline chloride ([Ch]Cl), 1- dodecyl-3-methylimidazolium chloride ([C12mim]Cl), and 1-butyl-3-methylimidazolium chloride ([C4mim]Cl) were supplemented to hMBCOMT lysates in a concentration from 5 to 500 mM. A major potential stabilizing effect was obtained using [Ch][DHP] (10 and 50 mM). From the DoE 146% of hMBCOMT activity recovery was obtained with [Ch][DHP] optimal conditions (7.5 mM) at −80 °C during 32.4 h. These results are of crucial importance for further drug development once the enzyme can be stabilized for longer periods of time.
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Affiliation(s)
- Ana M. Gonçalves
- CICS-UBI—Health Sciences Research Centre, University of Beira Interior, 6201-506 Covilhã, Portugal; (A.M.G.); (Â.S.); (J.A.Q.)
- Associate Laboratory i4HB-Institute for Health and Bioeconomy, Faculdade de Ciências e Tecnologia, Universidade NOVA, 2819-516 Caparica, Portugal;
- UCIBIO-Applied Molecular Biosciences Unit, Departamento de Química, Faculdade de Ciências e Tecnologia, Universidade NOVA de Lisboa, 2829-516 Caparica, Portugal
| | - Ângela Sousa
- CICS-UBI—Health Sciences Research Centre, University of Beira Interior, 6201-506 Covilhã, Portugal; (A.M.G.); (Â.S.); (J.A.Q.)
| | - Augusto Q. Pedro
- CICECO-Aveiro Institute of Materials, Chemistry Department, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal;
| | - Maria J. Romão
- Associate Laboratory i4HB-Institute for Health and Bioeconomy, Faculdade de Ciências e Tecnologia, Universidade NOVA, 2819-516 Caparica, Portugal;
- UCIBIO-Applied Molecular Biosciences Unit, Departamento de Química, Faculdade de Ciências e Tecnologia, Universidade NOVA de Lisboa, 2829-516 Caparica, Portugal
| | - João A. Queiroz
- CICS-UBI—Health Sciences Research Centre, University of Beira Interior, 6201-506 Covilhã, Portugal; (A.M.G.); (Â.S.); (J.A.Q.)
| | - Eugénia Gallardo
- CICS-UBI—Health Sciences Research Centre, University of Beira Interior, 6201-506 Covilhã, Portugal; (A.M.G.); (Â.S.); (J.A.Q.)
- Laboratório de Fármaco-Toxicologia, UBI Medical, Universidade da Beira Interior, 6201-506 Covilhã, Portugal
- Correspondence: (E.G.); (L.A.P.); Tel.: +351-275-329-002 (E.G. & L.A.P.)
| | - Luís A. Passarinha
- CICS-UBI—Health Sciences Research Centre, University of Beira Interior, 6201-506 Covilhã, Portugal; (A.M.G.); (Â.S.); (J.A.Q.)
- Associate Laboratory i4HB-Institute for Health and Bioeconomy, Faculdade de Ciências e Tecnologia, Universidade NOVA, 2819-516 Caparica, Portugal;
- UCIBIO-Applied Molecular Biosciences Unit, Departamento de Química, Faculdade de Ciências e Tecnologia, Universidade NOVA de Lisboa, 2829-516 Caparica, Portugal
- Laboratório de Fármaco-Toxicologia, UBI Medical, Universidade da Beira Interior, 6201-506 Covilhã, Portugal
- Correspondence: (E.G.); (L.A.P.); Tel.: +351-275-329-002 (E.G. & L.A.P.)
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Yadav N, Venkatesu P. Current understanding and insights towards protein stabilization and activation in deep eutectic solvents as sustainable solvent media. Phys Chem Chem Phys 2022; 24:13474-13509. [PMID: 35640592 DOI: 10.1039/d2cp00084a] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Deep eutectic solvents (DESs) have emerged as a new class of green, designer and biocompatible solvents, an alternative to conventional organic solvents and ionic liquids (ILs) which are comparatively toxic and non-biodegradable. DESs are eutectic mixtures that are formed when a hydrogen bond acceptor (HBA) is mixed with a hydrogen bond donor (HBD) at particular molar ratios by mechanical grinding or under mild heating conditions. Very recently, these solvents have been the center of attention for researchers in biotechnology, biomedicine and various scientific applications. These environmentally benign solvents have a close analogy with ILs; however, they offer certain unique merits over traditional ILs. DESs display remarkable properties such as easy preparation, tunable composition, biodegradability, recyclability, inherently low toxicity, sustainability and biocompatibility; these special features validate DESs as new potential solvents/co-solvents for biomolecules. Mechanistically, the biocompatibility and protein friendly nature of DESs depend on various factors, which include the composition of the DES, viscosity and hydration level. Therefore, it becomes an essential task to bring together all the studies related to protein behaviour in DESs to unlock their biomolecular proficiency. This review specifically highlights recent insights into the biomacromolecular functionality in DESs, including outlines of the solubilization and stabilization of proteins, long term protein packaging, different extraction methods and enzyme activation in the presence of DESs. A literature survey reveals that DESs act as green media in which the protein structure and activity are retained. In some cases, proteins refolded and enzymatic activity was enhanced several fold in the presence of DESs. Furthermore, we have reviewed the possible mechanistic behaviour behind protein stabilization, refolding and activation in DESs. Overall, the main objective of this review is to explicate the advantages of the introduction of DESs for biomolecules and to demonstrate the versatility of these eco-friendly solvents for future bio-based applications.
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Affiliation(s)
- Niketa Yadav
- Department of Chemistry, University of Delhi, Delhi-110 007, India.
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19
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Li R, Liu Z, Jiang F, Zhao Y, Yang G, Hong L. Enhancement of thermal stability of proteinase K by biocompatible cholinium-based ionic liquids. Phys Chem Chem Phys 2022; 24:13057-13065. [PMID: 35583879 DOI: 10.1039/d1cp04782e] [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
Proteinase K (PK) is a proteolytic enzyme that has been widely used in nucleic acid purification, leather production, environmental protection, and other industrial applications. However, this biocatalyst cannot tolerate high temperatures which has severely restricted its wider application. As reported in previous studies, cholinium-based ionic liquids (ILs) have gained tremendous attention serving as a promising media to stabilize and preserve proteins, DNA, and other biomolecules due to their environmentally benign nature and biocompatibility. In this work, we chose 13 different kinds of cholinium-based ILs to examine their effects on the thermal stability and enzymatic activity of PK. We found that biocompatible cholinium-based ions with appropriately chosen anions can greatly improve the thermal stability of PK, whose melting temperature (Tm) is increased from ∼74.4 °C to 87.7 °C. However, the enzymatic activity is slightly reduced in the presence of ILs. Further comparison of our results with other literature findings suggests that kosmotropic anions of cholinium-based ILs are crucial to maintain the thermal stability of proteins. However, to achieve the best performance, the choice of IL anions is protein specific.
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Affiliation(s)
- Rui Li
- School of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai 200240, China. .,Institute of Natural Sciences, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Zhuo Liu
- Institute of Natural Sciences, Shanghai Jiao Tong University, Shanghai 200240, China.,Shanghai National Center for Applied Mathematics (SJTU center), MOE-LSC, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Fan Jiang
- School of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai 200240, China. .,Institute of Natural Sciences, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Yang Zhao
- Institute of Biothermal Science and Technology, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Guangyu Yang
- State Key Laboratory of Microbial Metabolism, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai 200240, China.
| | - Liang Hong
- School of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai 200240, China. .,Institute of Natural Sciences, Shanghai Jiao Tong University, Shanghai 200240, China.,Shanghai National Center for Applied Mathematics (SJTU center), MOE-LSC, Shanghai Jiao Tong University, Shanghai 200240, China
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20
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Li Z, Han Q, Wang K, Song S, Xue Y, Ji X, Zhai J, Huang Y, Zhang S. Ionic liquids as a tunable solvent and modifier for biocatalysis. CATALYSIS REVIEWS 2022. [DOI: 10.1080/01614940.2022.2074359] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Zhuang Li
- Beijing Key Laboratory of Ionic Liquids Clean Process, CAS Key Laboratory of Green Process and Engineering, State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, China
- School of Chemical Engineering, University of Chinese Academy of Sciences, Beijing, China
| | - Qi Han
- School of Science, STEM College, RMIT University, Melbourne, Victoria, Australia
| | - Kun Wang
- Beijing Key Laboratory of Ionic Liquids Clean Process, CAS Key Laboratory of Green Process and Engineering, State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, China
| | - Shaoyu Song
- Beijing Key Laboratory of Ionic Liquids Clean Process, CAS Key Laboratory of Green Process and Engineering, State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, China
| | - Yaju Xue
- Beijing Key Laboratory of Ionic Liquids Clean Process, CAS Key Laboratory of Green Process and Engineering, State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, China
| | - Xiuling Ji
- Beijing Key Laboratory of Ionic Liquids Clean Process, CAS Key Laboratory of Green Process and Engineering, State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, China
| | - Jiali Zhai
- School of Science, STEM College, RMIT University, Melbourne, Victoria, Australia
| | - Yuhong Huang
- Beijing Key Laboratory of Ionic Liquids Clean Process, CAS Key Laboratory of Green Process and Engineering, State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, China
- Innovation Academy for Green Manufacture, CAS, Beijing, China
- Dalian National Laboratory for Clean Energy, CAS, Dalian, Liaoning, China
| | - Suojiang Zhang
- Beijing Key Laboratory of Ionic Liquids Clean Process, CAS Key Laboratory of Green Process and Engineering, State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, China
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21
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Losetty V, Yadav CH, Aswini K, Kumar CB, Sivakumar K. Study of Solvation Behavior Thermodynamics and FT-IR Spectroscopic Analysis of N-Butylethanolammonium Based Ionic Liquids with Polar Solvents. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.132393] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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22
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Patel R, Clark AK, DeStefano G, DeStefano I, Gogoj H, Gray E, Patel AY, Hauner JT, Caputo GA, Vaden TD. Sequence-specific destabilization of azurin by tetramethylguanidinium-dipeptide ionic liquids. Biochem Biophys Rep 2022; 30:101242. [PMID: 35280523 PMCID: PMC8907678 DOI: 10.1016/j.bbrep.2022.101242] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Revised: 02/18/2022] [Accepted: 03/02/2022] [Indexed: 12/01/2022] Open
Abstract
The thermal unfolding of the copper redox protein azurin was studied in the presence of four different dipeptide-based ionic liquids (ILs) utilizing tetramethylguanidinium as the cation. The four dipeptides have different sequences including the amino acids Ser and Asp: TMG-AspAsp, TMG-SerSer, TMG-SerAsp, and TMG-AspSer. Thermal unfolding curves generated from temperature-dependent fluorescence spectroscopy experiments showed that TMG-AspAsp and TMG-SerSer have minor destabilizing effects on the protein while TMG-AspSer and TMG-SerAsp strongly destabilize azurin. Red-shifted fluorescence signatures in the 25 °C correlate with the observed protein destabilization in the solutions with TMG-AspSer and TMG-SerAsp. These signals could correspond to interactions between the Asp residue in the dipeptide and the azurin Trp residue in the unfolded state. These results, supported by appropriate control experiments, suggest that dipeptide sequence-specific interactions lead to selective protein destabilization and motivate further studies of TMG-dipeptide ILs. Four different dipeptide-based ionic liquids were prepared with TMG as cation. The dipeptides included all four sequences containing Asp and Ser. The ionic liquids destabilizing effects on the protein azurin were measured. Different dipeptide sequences have different effects on the protein stability.
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Affiliation(s)
- Roshani Patel
- Department of Chemistry and Biochemistry, Rowan University, Glassboro, NJ, 08028, USA
| | - Austin K Clark
- Department of Chemistry and Biochemistry, Rowan University, Glassboro, NJ, 08028, USA
| | - Gabriella DeStefano
- Department of Chemistry and Biochemistry, Rowan University, Glassboro, NJ, 08028, USA
| | - Isabella DeStefano
- Department of Chemistry and Biochemistry, Rowan University, Glassboro, NJ, 08028, USA
| | - Hunter Gogoj
- Department of Chemistry and Biochemistry, Rowan University, Glassboro, NJ, 08028, USA
| | - Erin Gray
- Department of Chemistry and Biochemistry, Rowan University, Glassboro, NJ, 08028, USA
| | - Aashka Y Patel
- Department of Chemistry and Biochemistry, Rowan University, Glassboro, NJ, 08028, USA
| | - Joshua T Hauner
- Department of Chemistry and Biochemistry, Rowan University, Glassboro, NJ, 08028, USA
| | - Gregory A Caputo
- Department of Chemistry and Biochemistry, Rowan University, Glassboro, NJ, 08028, USA
| | - Timothy D Vaden
- Department of Chemistry and Biochemistry, Rowan University, Glassboro, NJ, 08028, USA
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23
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Liu C, Chen B, Shi W, Huang W, Qian H. Ionic Liquids for Enhanced Drug Delivery: Recent Progress and Prevailing Challenges. Mol Pharm 2022; 19:1033-1046. [PMID: 35274963 DOI: 10.1021/acs.molpharmaceut.1c00960] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Ionic liquids (ILs) are a class of nonmolecular compounds composed only of ions. Compared with traditional organic solvents, ILs have the advantages of wide chemical space, diverse and flexible structures, negligible vapor pressure, and high thermal stability, which make them widely used in many fields of modern science, such as chemical synthesis and catalytic decomposition, electrochemistry, biomass conversion, and biotransformation biotechnology. Because of their special characteristics, ILs have been favored in the pharmaceutical field recently, especially for the development of efficient drug delivery systems. So far, ILs have been successfully designed to promote the dissolution of poorly soluble drugs and the destruction of physiological barriers, such as the tight junction between the stratum corneum and the intestinal epithelium. In addition, ILs can also be combined with other drug strategies to stabilize the structure of small molecules. This Review mainly introduces the application of ILs in drug delivery, emphasizes the potential mechanism of ILs, and presents the key research directions of ILs in the future.
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Affiliation(s)
- Chunxia Liu
- Center of Drug Discovery, State Key Laboratory of Natural Medicines, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, People's Republic of China
| | - Bin Chen
- Center of Drug Discovery, State Key Laboratory of Natural Medicines, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, People's Republic of China
| | - Wei Shi
- Center of Drug Discovery, State Key Laboratory of Natural Medicines, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, People's Republic of China
| | - Wenlong Huang
- Center of Drug Discovery, State Key Laboratory of Natural Medicines, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, People's Republic of China.,Jiangsu Key Laboratory of Drug Discovery for Metabolic Disease, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, People's Republic of China
| | - Hai Qian
- Center of Drug Discovery, State Key Laboratory of Natural Medicines, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, People's Republic of China.,Jiangsu Key Laboratory of Drug Discovery for Metabolic Disease, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, People's Republic of China
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24
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25
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Kushwaha P, Prabhu NP. Imidazolium-based ionic liquids with increasing alkyl chain length of cations decrease the stability and fibrillation propensity of lysozyme. NEW J CHEM 2022. [DOI: 10.1039/d2nj00559j] [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
Imidazolium ionic liquids with longer alkyl side chains show a larger destabilization effect on lysozyme. Increased hydrophobicity of the IL increases its binding affinity and inhibits the fibril formation of lysozyme.
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Affiliation(s)
- Pratibha Kushwaha
- Department of Biotechnology & Bioinformatics, School of Life Sciences, University of Hyderabad, Hyderabad – 500 046, India
| | - N. Prakash Prabhu
- Department of Biotechnology & Bioinformatics, School of Life Sciences, University of Hyderabad, Hyderabad – 500 046, India
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26
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Kumar H, Kumar V, Sharma S, Ghfar AA, Katal A, Singla M, Girdhar K. Thermophysical properties of amino acids L-serine and L-leucine in aqueous diammonium hydrogen phosphate solutions: Volumetric and acoustic studies. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.117780] [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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27
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Bento RMF, Almeida CAS, Neves MC, Tavares APM, Freire MG. Advances Achieved by Ionic-Liquid-Based Materials as Alternative Supports and Purification Platforms for Proteins and Enzymes. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:2542. [PMID: 34684983 PMCID: PMC8538677 DOI: 10.3390/nano11102542] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Revised: 09/10/2021] [Accepted: 09/23/2021] [Indexed: 12/12/2022]
Abstract
Ionic liquids (ILs) have been applied in several fields in which enzymes and proteins play a noteworthy role, for instance in biorefinery, biotechnology, and pharmaceutical sciences, among others. Despite their use as solvents and co-solvents, their combination with materials for protein- and enzyme-based applications has raised significant attention in the past few years. Among them, significant advances were brought by supported ionic liquids (SILs), in which ILs are introduced to modify the surface and properties of materials, e.g., as ligands when covalently bond or when physiosorbed. SILs have been mainly investigated as alternative supports for enzymes in biocatalysis and as new supports in preparative liquid chromatography for the purification of high-value proteins and enzymes. In this manuscript, we provide an overview on the most relevant advances by using SILs as supports for enzymes and as purification platforms for a variety of proteins and enzymes. The interaction mechanisms occurring between proteins and SILs/ILs are highlighted, allowing the design of efficient processes involving SILs. The work developed is discussed in light of the respective development phase and innovation level of the applied technologies. Advantages and disadvantages are identified, as well as the missing links to pave their use in relevant applications.
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Affiliation(s)
| | | | | | | | - Mara G. Freire
- CICECO-Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal; (R.M.F.B.); (C.A.S.A.); (M.C.N.); (A.P.M.T.)
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Imam HT, Krasňan V, Rebroš M, Marr AC. Applications of Ionic Liquids in Whole-Cell and Isolated Enzyme Biocatalysis. Molecules 2021; 26:4791. [PMID: 34443378 PMCID: PMC8399596 DOI: 10.3390/molecules26164791] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Revised: 08/04/2021] [Accepted: 08/05/2021] [Indexed: 11/16/2022] Open
Abstract
Ionic liquids have unique chemical properties that have fascinated scientists in many fields. The effects of adding ionic liquids to biocatalysts are many and varied. The uses of ionic liquids in biocatalysis include improved separations and phase behaviour, reduction in toxicity, and stabilization of protein structures. As the ionic liquid state of the art has progressed, concepts of what can be achieved in biocatalysis using ionic liquids have evolved and more beneficial effects have been discovered. In this review ionic liquids for whole-cell and isolated enzyme biocatalysis will be discussed with an emphasis on the latest developments, and a look to the future.
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Affiliation(s)
- Hasan Tanvir Imam
- School of Chemistry and Chemical Engineering, Queen’s University Belfast, David Keir Building, Stranmillis Road, Belfast BT9 5AG, UK;
| | - Vladimír Krasňan
- Institute of Biotechnology, Faculty of Chemical and Food Technology, Slovak University of Technology in Bratislava, Radlinského 9, 812 37 Bratislava, Slovakia;
| | - Martin Rebroš
- Institute of Biotechnology, Faculty of Chemical and Food Technology, Slovak University of Technology in Bratislava, Radlinského 9, 812 37 Bratislava, Slovakia;
| | - Andrew Craig Marr
- School of Chemistry and Chemical Engineering, Queen’s University Belfast, David Keir Building, Stranmillis Road, Belfast BT9 5AG, UK;
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29
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Hossain SS, Paul S, Samanta A. Structural Stability and Conformational Dynamics of Cytochrome c in Hydrated Deep Eutectic Solvents. J Phys Chem B 2021; 125:5757-5765. [PMID: 34042450 DOI: 10.1021/acs.jpcb.1c01975] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Many deep eutectic solvents (DESs) are currently being explored as environment-friendly media for biorelated applications. As an understanding of the effect of these solvents on the structure of biomolecules is crucial for these applications, we study how two DESs comprising trimethylglycine (TMG) and ethylene glycol (EG) or glycerol (GL) influence the structural stability and conformational dynamics of cytochrome c (Cytc) using single-molecule-based fluorescence correlation spectroscopy (FCS) technique and several other ensemble-based biophysical methods. The FCS studies on A488-labeled Cytc enable an estimation of the size (20.5 ± 1.5 Å) of the protein and capture its conformational dynamics (54 ± 2 μs) in aqueous buffered solution. It is observed that both size and conformational dynamics of the protein are influenced in the presence of the DESs, but this effect is more pronounced in the case of TMG-EG. The ensemble measurements on both labeled and wild-type Cytc reveal that the protein structure is unfolded completely by TMG-EG, whereas the structure is slightly altered by TMG-GL. The results suggest that the behavior of Cytc in hydrated DESs is determined by the strength of interactions between the DES constituents as well as that between the constituents and the water molecules present in the system.
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Affiliation(s)
- Sk Saddam Hossain
- School of Chemistry, University of Hyderabad, Hyderabad 500046, India
| | - Sneha Paul
- School of Chemistry, University of Hyderabad, Hyderabad 500046, India
| | - Anunay Samanta
- School of Chemistry, University of Hyderabad, Hyderabad 500046, India
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30
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Arzideh SM, Movagharnejad K, Pirdashti M. Ion-solvent interaction of 1-decyl-3-methylimidazolium chloride and isopropanol in a quaternary aqueous two phase system for the efficient partitioning of vanillin and L-tryptophan. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.115860] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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31
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Malla S, Jisha K, Gardas RL, Gummadi SN. Diazobicyclo[5.4.0]undec-7ene-ium and tetramethyl guanidium based ionic liquids enhanced thermal stability of xylose reductase at extreme pH through specific ion effect. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.115394] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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32
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Wu F, Zhao C, Qu G, Yan Z, Zeng Y, Chen B, Hu Y, Ji W, Li Y, Tang H. Adsorption of arsenic from aqueous solution using a zero-valent iron material modified by the ionic liquid [Hmim]SbF 6. RSC Adv 2021; 11:6577-6585. [PMID: 35423198 PMCID: PMC8694885 DOI: 10.1039/d0ra09339d] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Accepted: 01/21/2021] [Indexed: 01/22/2023] Open
Abstract
The environmental and health impacts caused by arsenic (As) in wastewater make it necessary to carefully manage As wastes. In the present work, a composite of the ionic liquid [Hmim]SbF6 and nano-iron (H/Fe) was used as an adsorbent to remove As(v) from aqueous solution. To better understand the removal effect of H/Fe on As(v) in aqueous solution, the reaction parameters of pH, reaction temperature, time and H/Fe dosage were systematically analyzed in detail. The results show that H/Fe has significant removal efficiency toward As(v), and that the adsorption of As(v) by 0.5 g H/Fe reaches its maximum adsorption capacity within 2 h. The adsorption of As(v) on H/Fe is a non-linear, time-varying process. The initial adsorption reaction is fast; however, unlike at the beginning, the later reaction involves sustained slow absorption, resulting in a distinct two-phase adsorption characteristic. Redox reaction may be one of the mechanisms responsible for the slow adsorption of As(v) on H/Fe. At the same time, the As(v) removal effect of H/Fe is greatly restricted by the pH. Electrostatic adsorption, adsorption co-precipitation and redox reactions act together on H/Fe in the As(v) removal process. This study provides a basis for further clarifying the adsorption, adsorption rules and mechanism of As(v) on H/Fe and a feasible method for the improvement of As(v) removal efficiency of zero-valent iron materials.
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Affiliation(s)
- Fenghui Wu
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology Kunming 650500 Yunnan People's Republic of China .,National Regional Engineering Research Center-NCW Kunming 650500 Yunnan People's Republic of China
| | - Chenyang Zhao
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology Kunming 650500 Yunnan People's Republic of China .,National Regional Engineering Research Center-NCW Kunming 650500 Yunnan People's Republic of China
| | - Guangfei Qu
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology Kunming 650500 Yunnan People's Republic of China .,National Regional Engineering Research Center-NCW Kunming 650500 Yunnan People's Republic of China
| | - Zhoupeng Yan
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology Kunming 650500 Yunnan People's Republic of China .,National Regional Engineering Research Center-NCW Kunming 650500 Yunnan People's Republic of China
| | - Yingda Zeng
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology Kunming 650500 Yunnan People's Republic of China .,National Regional Engineering Research Center-NCW Kunming 650500 Yunnan People's Republic of China
| | - Bangjin Chen
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology Kunming 650500 Yunnan People's Republic of China .,National Regional Engineering Research Center-NCW Kunming 650500 Yunnan People's Republic of China
| | - Yinghui Hu
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology Kunming 650500 Yunnan People's Republic of China .,National Regional Engineering Research Center-NCW Kunming 650500 Yunnan People's Republic of China
| | - Wei Ji
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology Kunming 650500 Yunnan People's Republic of China .,National Regional Engineering Research Center-NCW Kunming 650500 Yunnan People's Republic of China
| | - Yingli Li
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology Kunming 650500 Yunnan People's Republic of China .,National Regional Engineering Research Center-NCW Kunming 650500 Yunnan People's Republic of China
| | - Huimin Tang
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology Kunming 650500 Yunnan People's Republic of China .,National Regional Engineering Research Center-NCW Kunming 650500 Yunnan People's Republic of China
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33
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Patil KR, Patil SK, Shaikh VR, Dagade DH, Patil KJ. Studies of osmotic and activity coefficient properties of aqueous solutions of triethylammonium formate and triethylammonium glycolate protic ionic liquids at 298.15 K. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2020.115143] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
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34
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Theyagarajan K, Elancheziyan M, Aayushi PS, Thenmozhi K. Facile strategy for immobilizing horseradish peroxidase on a novel acetate functionalized ionic liquid/MWCNT matrix for electrochemical biosensing. Int J Biol Macromol 2020; 163:358-365. [PMID: 32634514 DOI: 10.1016/j.ijbiomac.2020.07.005] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2020] [Revised: 06/24/2020] [Accepted: 07/02/2020] [Indexed: 02/08/2023]
Abstract
Facile yet simple platforms for the immobilization of biomolecules have always been a substantial requirement for the fabrication of proficient biosensors. In this study, we report a naphthyl substituted acetate functionalized ionic liquid (NpAc-IL) for the covalent anchoring of horseradish peroxidase (HRP), using which the direct electrochemistry of HRP was successfully accomplished and a H2O2 biosensor was developed. The naphthyl substitution on the NpAc-IL was utilized for the π-π stacking with the MWCNT modified GCE and the terminal -OCH3 group of NpAc-IL was used for the covalent attachment with the free -NH2 group of HRP via amide bond formation. High conducting nature of the newly designed ionic liquid (NpAc-IL), facilitated an improved communication with the deeply buried redox centre of the HRP, while the covalent bonding provided enhanced stability to the fabricated biosensor by stably holding the water soluble HRP enzyme on the electrode surface. Furthermore, incorporation of MWCNT on the sensor setup synergistically enhanced the sensitivity of the developed biosensor. Under optimized conditions, the fabricated biosensor showed an enhanced electrocatalytic reduction of H2O2 in the range of 0.01 to 2.07 mM with a limit of detection and sensitivity of 2.7 μM and 55.98 μA mM-1 cm-2 respectively. Further, the proposed biosensor was utilized for the sensing of H2O2 spiked in real samples. Moreover, the newly fabricated biosensor demonstrated excellent stability with improved sensitivity and selectivity towards H2O2 reduction. The superior analytical characteristics are attributed to the facile fabrication strategy using this newly developed acetate functionalized ionic liquid platform.
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Affiliation(s)
- K Theyagarajan
- Department of Chemistry, School of Advanced Sciences, Vellore Institute of Technology (VIT), Vellore 632014, India
| | - Mari Elancheziyan
- Department of Chemistry, School of Advanced Sciences, Vellore Institute of Technology (VIT), Vellore 632014, India
| | - Prakash Sinha Aayushi
- Department of Chemistry, School of Advanced Sciences, Vellore Institute of Technology (VIT), Vellore 632014, India
| | - Kathavarayan Thenmozhi
- Department of Chemistry, School of Advanced Sciences, Vellore Institute of Technology (VIT), Vellore 632014, India.
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35
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Effect of imidazolium based ionic liquids on CO-association dynamics and thermodynamic stability of Ferrocytochrome c. Biophys Chem 2020; 268:106497. [PMID: 33212391 DOI: 10.1016/j.bpc.2020.106497] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Revised: 11/01/2020] [Accepted: 11/01/2020] [Indexed: 11/20/2022]
Abstract
Analysis of kinetic and thermodynamic parameters measured for CO-association reaction of Ferrocytochrome c (Ferrocyt c) under variable concentrations of 1-butyl-3-methylimidazolium with varying anion ([Bmim]X) (X = Cl-, I-, Br-, HSO4-) at pH 7 revealed that the low concentration of [Bmim]X (≤0.5 M) constrains the CO-association dynamics of Ferrocyt c and typically follows the order: [Bmim]HSO4 > [Bmim]Cl > [Bmim]Br > [Bmim]I. At relatively higher concentrations (>0.5), the chaotropic action of [Bmim]+ dominates which consequently increases the thermal-fluctuations responsible to denature the protein and thus accelerates the speed of CO-association reaction. Analysis of thermal denaturation curves of Ferrocyt c measured at different concentrations of [Bmim]X revealed that the [Bmim]X decreases the thermodynamic stability of protein and typically follows the order: [Bmim]I > [Bmim]Br > [Bmim]Cl > [Bmim]CH3COO > [Bmim]HSO4, demonstrating that the effect of [Bmim]X on thermodynamic stability of protein is not in accordance to Hofmeister series effect of anions because instead of increasing the kosmotropic anion carrying [Bmim]X ([Bmim]CH3COO and [Bmim]HSO4) also decreases the thermodynamic stability of protein.
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36
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Unveiling the thermodynamic signature underlying the interaction of human serum albumin with sub-micellar concentrations of a surface active ionic liquid. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.114078] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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37
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Takekiyo T, Yamada N, Amo T, Yoshimura Y. Effects of ethylammonium halides on helix formation of proteins. Chem Phys Lett 2020. [DOI: 10.1016/j.cplett.2020.137970] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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38
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Kumari P, Pillai VVS, Benedetto A. Mechanisms of action of ionic liquids on living cells: the state of the art. Biophys Rev 2020; 12:1187-1215. [PMID: 32936423 PMCID: PMC7575683 DOI: 10.1007/s12551-020-00754-w] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Accepted: 09/03/2020] [Indexed: 12/13/2022] Open
Abstract
Ionic liquids (ILs) are a relatively new class of organic electrolytes composed of an organic cation and either an organic or inorganic anion, whose melting temperature falls around room-temperature. In the last 20 years, the toxicity of ILs towards cells and micro-organisms has been heavily investigated with the main aim to assess the risks associated with their potential use in (industrial) applications, and to develop strategies to design greener ILs. Toxicity, however, is synonym with affinity, and this has stimulated, in turn, a series of biophysical and chemical-physical investigations as well as few biochemical studies focused on the mechanisms of action (MoAs) of ILs, key step in the development of applications in bio-nanomedicine and bio-nanotechnology. This review has the intent to present an overview of the state of the art of the MoAs of ILs, which have been the focus of a limited number of studies but still sufficient enough to provide a first glimpse on the subject. The overall picture that emerges is quite intriguing and shows that ILs interact with cells in a variety of different mechanisms, including alteration of lipid distribution and cell membrane viscoelasticity, disruption of cell and nuclear membranes, mitochondrial permeabilization and dysfunction, generation of reactive oxygen species, chloroplast damage (in plants), alteration of transmembrane and cytoplasmatic proteins/enzyme functions, alteration of signaling pathways, and DNA fragmentation. Together with our earlier review work on the biophysics and chemical-physics of IL-cell membrane interactions (Biophys. Rev. 9:309, 2017), we hope that the present review, focused instead on the biochemical aspects, will stimulate a series of new investigations and discoveries in the still new and interdisciplinary field of "ILs, biomolecules, and cells."
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Affiliation(s)
- Pallavi Kumari
- Department of Sciences, University of Roma Tre, 00146, Rome, Italy
- School of Physics, University College Dublin, Dublin 4, Ireland
- Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Dublin 4, Ireland
| | - Visakh V S Pillai
- Department of Sciences, University of Roma Tre, 00146, Rome, Italy
- School of Physics, University College Dublin, Dublin 4, Ireland
- Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Dublin 4, Ireland
| | - Antonio Benedetto
- Department of Sciences, University of Roma Tre, 00146, Rome, Italy.
- School of Physics, University College Dublin, Dublin 4, Ireland.
- Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Dublin 4, Ireland.
- Laboratory for Neutron Scattering, Paul Scherrer Institute, 5232, Villigen, Switzerland.
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39
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Arumugam V, Rajamanikandan R, Ilanchelian M, Xu H, Moodley KG, Gao Y. Spectroscopic and thermodynamic studies on binding behaviour of an ionic liquid, 2′,3′-Epoxypropyl-N-methyl-2-oxopyrrolidinium acetate, with bovine serum albumin (BSA). Colloids Surf A Physicochem Eng Asp 2020. [DOI: 10.1016/j.colsurfa.2020.124954] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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40
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Kowsari MH, Torabi SM. Molecular Dynamics Insights into the Nanoscale Structural Organization and Local Interaction of Aqueous Solutions of Ionic Liquid 1-Butyl-3-methylimidazolium Nitrate. J Phys Chem B 2020; 124:6972-6985. [PMID: 32687363 DOI: 10.1021/acs.jpcb.0c01803] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Considering the growing number of applications of the aqueous ionic liquids (ILs), atomistic molecular dynamics (MD) simulations were used to probe the effect of water molar fraction, xw, ranging from 0.00 to 0.90, on the nanoscale local structure of 1-butyl-3-methylimidazolium nitrate, [bmim][NO3], IL. The results prove that, with water addition, the cation-anion, cation-cation, and anion-anion structural correlations are weakened, while strong anion-water and unconventional cation-water hydrogen bonds are formed in the solutions. Water molecules were detected as bridges between nitrate anions, and the water cluster size distribution at different xw's was investigated. Simulation shows a similar pattern of probability densities for water and anion around the acidic hydrogen atoms of the reference cation ring, while both species move away from the cation butyl chain. Increasing the water concentration to xw = 0.90 causes decreasing of the local arrangement of the nearest-neighboring cations, because of the weakening of cation-cation π-π stacking. In addition, this dilution reduces the probability of the in-plane cation-anion conformation, disrupts both the polar ionic network and nonpolar domains, and diminishes the nanoaggregation of the cation butyl chains compared to those of the neat IL. These results can rationalize the origins of the fluidity enhancements and transport property trends upon adding water to the imidazolium-based ILs. The current study proposes a deep atomistic-level insight into the complex coupling between water concentration, microscopic structure, and local interactions of aqueous imidazolium-based ILs with hydrophilic anions.
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Affiliation(s)
- Mohammad H Kowsari
- Department of Chemistry, Institute for Advanced Studies in Basic Sciences (IASBS), Zanjan 45137-66731, Iran.,Center for Research in Climate Change and Global Warming (CRCC), Institute for Advanced Studies in Basic Sciences (IASBS), Zanjan 45137-66731, Iran
| | - S Mohammad Torabi
- Department of Chemistry, Institute for Advanced Studies in Basic Sciences (IASBS), Zanjan 45137-66731, Iran
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41
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Huang L, Zhang W, Yan D, Ma L, Ma H. Solubility and aggregation of soy protein isolate induced by different ionic liquids with the assistance of ultrasound. Int J Biol Macromol 2020; 164:2277-2283. [PMID: 32795570 DOI: 10.1016/j.ijbiomac.2020.08.031] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 07/19/2020] [Accepted: 08/04/2020] [Indexed: 01/03/2023]
Abstract
The aim of this study was to evaluate the effects of ionic liquids (ILs) and ultrasound on the solubility and aggregation behavior of soy protein isolate (SPI). A variety of ILs were tested. Results showed that changes in cation or anion altered the physicochemical properties of ionic liquids, which in turn influenced the solubility of SPI. High concentration of ILs resulted in the formation of insoluble aggregates, which lead to the decrease of solubility. In most of the cases, ultrasound pretreatment had a considerable impact on the solubility and aggregation of SPI. The solubility of SPI processed by combination of 1 mg/mL 1-butyl-2,3-dimethyl imidazolium chloride ([BDMIM]Cl) and ultrasound changed remarkably compared with single ultrasound and single [BDMIM]Cl processing, which was increased by 71.8% compared with that of control (P < .05). Changes in particle size, intrinsic fluorescence spectra and free sulfhydryl (SH) groups indicated that the structure of SPI refolded and reaggregated after the ultrasound and ILs pretreatments. Combined ultrasound and 1 mg/mL [BDMIM]Cl pretreatment showed a synergistic effect on changing the SPI microstructure. In conclusion, ultrasound-assisted ILs could be an effective modification method for the globular proteins.
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Affiliation(s)
- Liurong Huang
- School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, Jiangsu, China; Institute of Food Physical Processing, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, Jiangsu, China.
| | - Wenxue Zhang
- School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, Jiangsu, China
| | - Dongguang Yan
- School of Materials Science and Engineering, Jiangsu University of Science and Technology, Zhenjiang 212013, Jiangsu, China
| | - Lixin Ma
- School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, Jiangsu, China
| | - Haile Ma
- School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, Jiangsu, China; Institute of Food Physical Processing, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, Jiangsu, China
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42
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Takekiyo T, Yamada N, Nakazawa CT, Amo T, Asano A, Yoshimura Y. Formation of α-synuclein aggregates in aqueous ethylammonium nitrate solutions. Biopolymers 2020; 111:e23352. [PMID: 32203628 DOI: 10.1002/bip.23352] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2019] [Revised: 02/27/2020] [Accepted: 02/28/2020] [Indexed: 02/04/2023]
Abstract
The effect of adding ethylammonium nitrate (EAN), which is an ionic liquid (IL), on the aggregate formation of α-synuclein (α-Syn) in aqueous solution has been investigated. FTIR and Raman spectroscopy were used to investigate changes in the secondary structure of α-Syn and in the states of water molecules and EAN. The results presented here show that the addition of EAN to α-Syn causes the formation of an intermolecular β-sheet structure in the following manner: native disordered state → polyproline II (PPII)-helix → intermolecular β-sheet (α-Syn amyloid-like aggregates: α-SynA). Although cations and anions of EAN play roles in masking the charged side chains and PPII-helix-forming ability involved in the formation of α-SynA, water molecules are not directly related to its formation. We conclude that EAN-induced α-Syn amyloid-like aggregates form at hydrophobic associations in the middle of the molecules after masking the charged side chains at the N- and C-terminals of α-Syn.
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Affiliation(s)
- Takahiro Takekiyo
- Department of Applied Chemistry, National Defense Academy, Yokosuka, Kanagawa, Japan
| | - Natsuki Yamada
- Department of Applied Chemistry, National Defense Academy, Yokosuka, Kanagawa, Japan
| | - Chikako T Nakazawa
- Department of Applied Chemistry, National Defense Academy, Yokosuka, Kanagawa, Japan
| | - Taku Amo
- Department of Applied Chemistry, National Defense Academy, Yokosuka, Kanagawa, Japan
| | - Atsushi Asano
- Department of Applied Chemistry, National Defense Academy, Yokosuka, Kanagawa, Japan
| | - Yukihiro Yoshimura
- Department of Applied Chemistry, National Defense Academy, Yokosuka, Kanagawa, Japan
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43
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Thoppil AA, Chennuri BK, Gardas RL. Thermodynamics and micellization behavior of ethanolammonium carboxylate surface active ionic liquids in aqueous media. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2019.112116] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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44
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Aggregation selectivity of amyloid
β
1‐11
peptide in aqueous ionic liquid solutions. Pept Sci (Hoboken) 2019. [DOI: 10.1002/pep2.24138] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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45
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Kumar A, Bhakuni K, Venkatesu P. Strategic planning of proteins in ionic liquids: future solvents for the enhanced stability of proteins against multiple stresses. Phys Chem Chem Phys 2019; 21:23269-23282. [PMID: 31621726 DOI: 10.1039/c9cp04772g] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Ionic liquids (ILs) present a vast number of solvents capable of replacing toxic organic solvents in chemical, biotechnology and biomedical applications. ILs are inexpensive and environmentally friendly as the materials can be recycled conveniently. Chemists use a variety of cation and anion combinations to produce an IL that fits the requirements of the sustainable future through the pursuit of greener chemical processes. As such, the development of various types of ILs has been recognized as the emergence of environmentally friendly solvents to attain enhanced protein stability in vitro. The literature survey reveals that there exist a large number of scholarly articles as well as elegant reviews on protein stability in ILs. Biomolecules have adapted to antagonistic environmental stresses that normally denature proteins, and the mechanism of adaptation that protects the cellular components against denaturation involves the intracellular concentration of co-solvents. In this regard, recent experimental results distinctly demonstrated that ILs are stabilizing proteins against denaturing stresses, and their presence in the cells does not alter protein functional activities. However, a review focusing particularly on the refolding and counteracting effects of the ILs against denatured proteins by multiple stresses is still missing. This perspective unveils the studies that have been conducted to improve protein stabilities with ILs as well as the refolding and counteracting abilities of these ILs against the denatured proteins under the influence of multiple stresses. We believe that ILs can provide significant environmental and economic advantages for biochemical processes in the near future. Essentially, numerous investigations are required to allow us to further explore the stabilizing properties of ILs over proteins.
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Affiliation(s)
- Awanish Kumar
- Department of Chemistry, University of Delhi, Delhi-110 007, India.
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46
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Zhou D, Chen F, Handschuh‐Wang S, Gan T, Zhou X, Zhou X. Biomimetic Extreme‐Temperature‐ and Environment‐Adaptable Hydrogels. Chemphyschem 2019; 20:2139-2154. [DOI: 10.1002/cphc.201900545] [Citation(s) in RCA: 51] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Revised: 07/10/2019] [Indexed: 12/31/2022]
Affiliation(s)
- Dan Zhou
- College of Chemistry and Environmental EngineeringShenzhen University, Shenzhen 518060 P. R. China
| | - Fan Chen
- College of Chemistry and Environmental EngineeringShenzhen University, Shenzhen 518060 P. R. China
| | - Stephan Handschuh‐Wang
- College of Chemistry and Environmental EngineeringShenzhen University, Shenzhen 518060 P. R. China
| | - Tiansheng Gan
- College of Chemistry and Environmental EngineeringShenzhen University, Shenzhen 518060 P. R. China
| | - Xiaohu Zhou
- College of Chemistry and Environmental EngineeringShenzhen University, Shenzhen 518060 P. R. China
| | - Xuechang Zhou
- College of Chemistry and Environmental EngineeringShenzhen University, Shenzhen 518060 P. R. China
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47
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Insights into the effect of imidazolium-based ionic liquids on chemical structure and hydrolytic activity of microbial lipase. Bioprocess Biosyst Eng 2019; 42:1235-1246. [DOI: 10.1007/s00449-019-02121-w] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2019] [Accepted: 04/03/2019] [Indexed: 01/04/2023]
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48
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Fujita K. Ionic Liquids as Stabilization and Refolding Additives and Solvents for Proteins. ADVANCES IN BIOCHEMICAL ENGINEERING/BIOTECHNOLOGY 2019; 168:215-226. [PMID: 30003282 DOI: 10.1007/10_2018_65] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
This chapter focuses on recent advances in the use of ionic liquids as additives and solvents in protein applications. The solvent properties of ionic liquids can be tuned by the appropriate selection of cation and anion. The effects of different kinds of ionic liquids on protein stability and refolding behavior have been investigated and reported. The ionic liquid properties affect the intermolecular interactions of proteins, inducing different formations and folding behavior. These effects also vary with the concentration of ionic liquids. Although many of the associated mechanisms are not completely clear, some of this behavior may be attributed to the kosmotropicity of the ions and their Hofmeister effects. Graphical Abstract.
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Affiliation(s)
- Kyoko Fujita
- Department of Pathophysiology, School of Pharmacy, Tokyo University of Pharmacy and Life Sciences, Hachioji, Tokyo, Japan.
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Takekiyo T, Ishikawa Y, Yamaguchi E, Yamada N, Yoshimura Y. Dissolution of Amyloid Aggregates in Aqueous Ionic Liquid Solutions: A Case Study of Insulin Amyloid. Aust J Chem 2019. [DOI: 10.1071/ch18361] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Dissolution of amyloid aggregates with high β-sheet content is required for the correct refolding of ordered protein aggregates. The dissolution of bovine insulin amyloid aggregates in five different ionic liquids (ILs) is investigated. These were comprised of three 1-butyl-3-methylimidazolium ([bmim])-based ILs, containing either SCN−, NO3−, or Cl− anions, and two alkylammonium nitrate-based ILs, ethyl- and propylammonium nitrate (EAN and PAN). A broad IL concentration range (x=0–30mol-% IL) was analysed using FTIR spectroscopy combined with the Congo red assay. On the whole, the [bmim]-based ILs showed a higher dissolution ability than EAN and PAN for all concentrations of x. It is notable that the dissolution ability of dilute aqueous IL solutions (x<15) for insulin amyloid was different to that of concentrated aqueous IL solutions (x>15). The former condition for insulin amyloid may affect dissolution based on the denaturant effect of cations and anions in the ILs. The latter condition may affect this dissolution based on the hydrogen-bonding ability (α and β values) of the ILs, as described by the Kamlet–Taft parameters. Moreover, the difference between these α and β values (α–β) was found to be a good indicator of the dissolution ability of ILs for insulin amyloid aggregates in concentrated conditions above x=20 (α–β<0, strong dissolution ability; α–β>0, weak dissolution ability). These findings may assist the future design of aqueous IL-based dissolution agents for ordered aggregated proteins.
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Egorova KS, Ananikov VP. Fundamental importance of ionic interactions in the liquid phase: A review of recent studies of ionic liquids in biomedical and pharmaceutical applications. J Mol Liq 2018. [DOI: 10.1016/j.molliq.2018.09.025] [Citation(s) in RCA: 82] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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