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Balu R, Wanasingha N, Mata JP, Rekas A, Barrett S, Dumsday G, Thornton AW, Hill AJ, Roy Choudhury N, Dutta NK. Crowder-directed interactions and conformational dynamics in multistimuli-responsive intrinsically disordered protein. SCIENCE ADVANCES 2022; 8:eabq2202. [PMID: 36542701 PMCID: PMC9770960 DOI: 10.1126/sciadv.abq2202] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Accepted: 11/17/2022] [Indexed: 06/17/2023]
Abstract
The consequences of crowding on the dynamic conformational ensembles of intrinsically disordered proteins (IDPs) remain unresolved because of their ultrafast motion. Here, we report crowder-induced interactions and conformational dynamics of a prototypical multistimuli-responsive IDP, Rec1-resilin. The effects of a range of crowders of varying sizes, forms, topologies, and concentrations were examined using spectroscopic, spectrofluorimetric, and contrast-matching small- and ultrasmall-angle neutron scattering investigation. To achieve sufficient neutron contrast against the crowders, deuterium-labeled Rec1-resilin was biosynthesized successfully. Moreover, the ab initio "shape reconstruction" approach was used to obtain three-dimensional models of the conformational assemblies. The IDP revealed crowder-specific systematic extension and compaction with the level of macromolecular crowding. Last, a robust extension-contraction model has been postulated to capture the fundamental phenomena governing the observed behavior of IDPs. The study provides insights and fresh perspectives for understanding the interactions and structural dynamics of IDPs in crowded states.
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Affiliation(s)
- Rajkamal Balu
- Chemical and Environmental Engineering, School of Engineering, RMIT University, Melbourne, VIC 3000, Australia
| | - Nisal Wanasingha
- Chemical and Environmental Engineering, School of Engineering, RMIT University, Melbourne, VIC 3000, Australia
| | - Jitendra P. Mata
- Australian Center for Neutron Scattering, ANSTO, Lucas Heights, NSW 2234, Australia
| | - Agata Rekas
- National Deuteration Facility, ANSTO, Lucas Heights, NSW 2234, Australia
| | - Susan Barrett
- CSIRO Manufacturing, Bayview Avenue, Clayton, VIC 3168, Australia
| | - Geoff Dumsday
- CSIRO Manufacturing, Bayview Avenue, Clayton, VIC 3168, Australia
| | | | - Anita J. Hill
- CSIRO Manufacturing, Bayview Avenue, Clayton, VIC 3168, Australia
| | - Namita Roy Choudhury
- Chemical and Environmental Engineering, School of Engineering, RMIT University, Melbourne, VIC 3000, Australia
| | - Naba K. Dutta
- Chemical and Environmental Engineering, School of Engineering, RMIT University, Melbourne, VIC 3000, Australia
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2
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Photoluminescent nanocluster-based probes for bioimaging applications. Photochem Photobiol Sci 2022; 21:787-801. [PMID: 35032005 DOI: 10.1007/s43630-021-00153-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Accepted: 12/01/2021] [Indexed: 12/30/2022]
Abstract
In the continuous search for versatile and better performing probes for optical bioimaging and biosensing applications, many research efforts have focused on the design and optimization of photoluminescent metal nanoclusters. They consist of a metal core composed by a small number of atoms (diameter < 2-3 nm), usually coated by a shell of stabilizing ligands of different nature, and are characterized by molecule-like quantization of electronic states, resulting in discrete and tunable optical transitions in the UV-Vis and NIR spectral regions. Recent advances in their size-selective synthesis and tailored surface functionalization have allowed the effective combination of nanoclusters and biologically relevant molecules into hybrid platforms, that hold a large potential for bioimaging purposes, as well as for the detection and tracking of specific markers of biological processes or diseases. Here, we will present an overview of the latest combined imaging or sensing nanocluster-based systems reported in the literature, classified according to the different families of coating ligands (namely, peptides, proteins, nucleic acids, and biocompatible polymers), highlighting for each of them the possible applications in the biomedical field.
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3
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Wang B, Patkar SS, Kiick KL. Application of Thermoresponsive Intrinsically Disordered Protein Polymers in Nanostructured and Microstructured Materials. Macromol Biosci 2021; 21:e2100129. [PMID: 34145967 PMCID: PMC8449816 DOI: 10.1002/mabi.202100129] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 05/25/2021] [Indexed: 01/15/2023]
Abstract
Modulation of inter- and intramolecular interactions between bioinspired designer molecules can be harnessed for developing functional structures that mimic the complex hierarchical organization of multicomponent assemblies observed in nature. Furthermore, such multistimuli-responsive molecules offer orthogonal tunability for generating versatile multifunctional platforms via independent biochemical and biophysical cues. In this review, the remarkable physicochemical and mechanical properties of genetically engineered protein polymers derived from intrinsically disordered proteins, specifically elastin and resilin, are discussed. This review highlights emerging technologies which use them as building blocks in the fabrication of highly programmable structured biomaterials for applications in delivery of biotherapeutic cargo and regenerative medicine.
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Affiliation(s)
- Bin Wang
- Department of Materials Science and Engineering, University of Delaware, 201 DuPont Hall, Newark, DE, 19716, USA
| | - Sai S Patkar
- Department of Materials Science and Engineering, University of Delaware, 201 DuPont Hall, Newark, DE, 19716, USA
| | - Kristi L Kiick
- Department of Materials Science and Engineering, University of Delaware, 201 DuPont Hall, Newark, DE, 19716, USA
- Department of Biomedical Engineering, University of Delaware, 161 Colburn Laboratory, Newark, DE, 19716, USA
- Delaware Biotechnology Institute, Ammon Pinizzotto Biopharmaceutical Innovation Center, 590 Avenue 1743, Newark, DE, 19713, USA
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Balu R, Dutta NK, Dutta AK, Choudhury NR. Resilin-mimetics as a smart biomaterial platform for biomedical applications. Nat Commun 2021; 12:149. [PMID: 33420053 PMCID: PMC7794388 DOI: 10.1038/s41467-020-20375-x] [Citation(s) in RCA: 57] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Accepted: 11/19/2020] [Indexed: 12/14/2022] Open
Abstract
Intrinsically disordered proteins have dramatically changed the structure-function paradigm of proteins in the 21st century. Resilin is a native elastic insect protein, which features intrinsically disordered structure, unusual multi-stimuli responsiveness and outstanding resilience. Advances in computational techniques, polypeptide synthesis methods and modular protein engineering routines have led to the development of novel resilin-like polypeptides (RLPs) including modular RLPs, expanding their applications in tissue engineering, drug delivery, bioimaging, biosensors, catalysis and bioelectronics. However, how the responsive behaviour of RLPs is encoded in the amino acid sequence level remains elusive. This review summarises the milestones of RLPs, and discusses the development of modular RLP-based biomaterials, their current applications, challenges and future perspectives. A perspective of future research is that sequence and responsiveness profiling of RLPs can provide a new platform for the design and development of new modular RLP-based biomaterials with programmable structure, properties and functions.
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Affiliation(s)
- Rajkamal Balu
- Chemical and Environmental Engineering, School of Engineering, RMIT University, Melbourne, VIC, 3000, Australia
| | - Naba K Dutta
- Chemical and Environmental Engineering, School of Engineering, RMIT University, Melbourne, VIC, 3000, Australia.
| | - Ankit K Dutta
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, 02115, USA
| | - Namita Roy Choudhury
- Chemical and Environmental Engineering, School of Engineering, RMIT University, Melbourne, VIC, 3000, Australia.
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Balu R, Dorishetty P, Mata JP, Hill AJ, Dutta NK, Choudhury NR. Tuning the Hierarchical Structure and Resilience of Resilin-like Polypeptide Hydrogels Using Graphene Oxide. ACS APPLIED BIO MATERIALS 2020; 3:8688-8697. [DOI: 10.1021/acsabm.0c01088] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Rajkamal Balu
- School of Engineering, RMIT University, Melbourne, Victoria 3000, Australia
| | - Pramod Dorishetty
- School of Engineering, RMIT University, Melbourne, Victoria 3000, Australia
| | - Jitendra P. Mata
- Australian Centre for Neutron Scattering (ACNS), Australian Nuclear Science and Technology Organisation (ANSTO), Lucas Heights, New South Wales 2232, Australia
| | - Anita J. Hill
- Commonwealth Scientific and Industrial Research Organisation (CSIRO) Manufacturing, Clayton, Victoria 3168, Australia
| | - Naba K. Dutta
- School of Engineering, RMIT University, Melbourne, Victoria 3000, Australia
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Okesola BO, Lau HK, Derkus B, Boccorh DK, Wu Y, Wark AW, Kiick KL, Mata A. Covalent co-assembly between resilin-like polypeptide and peptide amphiphile into hydrogels with controlled nanostructure and improved mechanical properties. Biomater Sci 2020; 8:846-857. [PMID: 31793933 PMCID: PMC7482191 DOI: 10.1039/c9bm01796h] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/19/2023]
Abstract
Covalent co-assembly holds great promise for the fabrication of hydrogels with controllable nanostructure, versatile chemical composition, and enhanced mechanical properties given its relative simplicity, high efficiency, and bond stability. This report describes our approach to designing functional multicomponent hydrogels based on photo-induced chemical interactions between an acrylamide-functionalized resilin-like polypeptide (RLP) and a peptide amphiphile (PA). Circular dichroism (CD) spectroscopy, electron microscopy, and amplitude sweep rheology were used to demonstrate that the co-assembled hydrogel systems acquired distinct structural conformations, tunable nanostructures, and enhanced elasticity in a PA concentration-dependent manner. We envisage the use of these materials in numerous biomedical applications such as controlled drug release systems, microfluidic devices, and scaffolds for tissue engineering.
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Affiliation(s)
- Babatunde O. Okesola
- Institute of Bioengineering, Queen Mary University of London, Mile End Road, London, E1 4NS, United Kingdom, UK
- School of Engineering and Materials Science, Queen Mary University of London, Mile End Road, London, E1 4NS, UK
| | - Hang Kuen Lau
- Department of Materials Science and Engineering, University of Delaware, 201 DuPont Hall, Newark, DE 19716, USA
| | - Burak Derkus
- Institute of Bioengineering, Queen Mary University of London, Mile End Road, London, E1 4NS, United Kingdom, UK
- School of Engineering and Materials Science, Queen Mary University of London, Mile End Road, London, E1 4NS, UK
- Biomedical Engineering Department, Eskisehir Osmangazi University, Eskisehir, TR 26040, Turkey
| | - Delali K. Boccorh
- Centre for Molecular Nanometrology, Department of Pure and Applied Chemistry, Technology and Innovation Centre, University of Strathclyde, 99 George Street, Glasgow, G1 1RD, UK
| | - Yuanhao Wu
- Institute of Bioengineering, Queen Mary University of London, Mile End Road, London, E1 4NS, United Kingdom, UK
- School of Engineering and Materials Science, Queen Mary University of London, Mile End Road, London, E1 4NS, UK
| | - Alastair W. Wark
- Centre for Molecular Nanometrology, Department of Pure and Applied Chemistry, Technology and Innovation Centre, University of Strathclyde, 99 George Street, Glasgow, G1 1RD, UK
| | - Kristi L. Kiick
- Department of Materials Science and Engineering, University of Delaware, 201 DuPont Hall, Newark, DE 19716, USA
| | - Alvaro Mata
- Institute of Bioengineering, Queen Mary University of London, Mile End Road, London, E1 4NS, United Kingdom, UK
- School of Engineering and Materials Science, Queen Mary University of London, Mile End Road, London, E1 4NS, UK
- School of Pharmacy, University of Nottingham, NG7 2RD, Nottingham, UK
- Department of Chemical and Environmental Engineering, University of Nottingham, NG7 2RD, Nottingham, UK
- Institute for BioDiscovery, University of Nottingham, NG7 2RD, Nottingham, UK
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Balu R, Knott R, Elvin CM, Hill AJ, R Choudhury N, Dutta NK. A Sustainable Biomineralization Approach for the Synthesis of Highly Fluorescent Ultra-Small Pt Nanoclusters. BIOSENSORS 2019; 9:E128. [PMID: 31671878 PMCID: PMC6956208 DOI: 10.3390/bios9040128] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/14/2019] [Revised: 10/16/2019] [Accepted: 10/21/2019] [Indexed: 11/17/2022]
Abstract
Herein we report the first example of a facile biomineralization process to produce ultra-small-sized highly fluorescent aqueous dispersions of platinum noble metal quantum clusters (Pt-NMQCs) using a multi-stimulus responsive, biomimetic intrinsically disordered protein (IDP), Rec1-resilin. We demonstrate that Rec1-resilin acts concurrently as the host, reducing agent, and stabilizer of the blue-green fluorescent Pt-NMQCs once they are being formed. The photophysical properties, quantum yield, and fluorescence lifetime measurements of the synthesized Pt-NMQCs were examined using UV-Vis and fluorescence spectroscopy. The oxidation state of the Pt-NMQCs was quantitatively analyzed using X-ray photoelectron spectroscopy. Both a small angle X-ray scattering technique and a modeling approach have been attempted to present a detailed understanding of the structure and conformational dynamics of Rec1-resilin as an IDP during the formation of the Pt-NMQCs. It has been demonstrated that the green fluorescent Pt-NMQCs exhibit a high quantum yield of ~7.0% and a lifetime of ~9.5 ns in aqueous media. The change in photoluminescence properties due to the inter-dot interactions between proximal dots and aggregation of the Pt-NMQCs by evaporation was also measured spectroscopically and discussed.
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Affiliation(s)
- Rajkamal Balu
- Chemical and Environment Engineering, School of Engineering, RMIT University, Melbourne, VIC 3000, Australia.
| | - Robert Knott
- Australian Centre for Neutron Scattering (ACNS), Australian Nuclear Science and Technology Organisation (ANSTO), Lucas Heights, NSW 2234, Australia.
| | - Christopher M Elvin
- CSIRO Agriculture, Level 6, Queensland Bioscience Precinct, St Lucia, QLD 4067, Australia.
| | - Anita J Hill
- CSIRO Manufacturing, Bayview Ave, Clayton, VIC 3168, Australia.
| | - Namita R Choudhury
- Chemical and Environment Engineering, School of Engineering, RMIT University, Melbourne, VIC 3000, Australia.
| | - Naba K Dutta
- Chemical and Environment Engineering, School of Engineering, RMIT University, Melbourne, VIC 3000, Australia.
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Zhang J, Cai C, Razzaque S, Hussain I, Lu QW, Tan B. Synthesis of water-soluble and highly fluorescent gold nanoclusters for Fe3+ sensing in living cells using fluorescence imaging. J Mater Chem B 2017. [DOI: 10.1039/c7tb00966f] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Gold nanoclusters are used as excellent scaffolds for the development of chemical and biological sensors due to their outstanding physical and chemical properties.
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Affiliation(s)
- Jianqiao Zhang
- Key Laboratory for Large-Format Battery Materials and System
- Ministry of Education
- Hubei Key Laboratory of Material Chemistry and Service Failure
- School of Chemistry and Chemical Engineering
- Huazhong University of Science and Technology
| | - Chen Cai
- Key Laboratory of Molecular Biophysics of Ministry of Education
- College of Life Science and Technology
- Center for Human Genome Research
- Huazhong University of Science and Technology
- Wuhan
| | - Shumaila Razzaque
- Key Laboratory for Large-Format Battery Materials and System
- Ministry of Education
- Hubei Key Laboratory of Material Chemistry and Service Failure
- School of Chemistry and Chemical Engineering
- Huazhong University of Science and Technology
| | - Irshad Hussain
- Department of Chemistry
- SBA School of Science & Engineering (SSE)
- Lahore University of Management Sciences (LUMS)
- DHA
- Lahore Cantt-54792
| | - Qun-Wei Lu
- Key Laboratory of Molecular Biophysics of Ministry of Education
- College of Life Science and Technology
- Center for Human Genome Research
- Huazhong University of Science and Technology
- Wuhan
| | - Bien Tan
- Key Laboratory for Large-Format Battery Materials and System
- Ministry of Education
- Hubei Key Laboratory of Material Chemistry and Service Failure
- School of Chemistry and Chemical Engineering
- Huazhong University of Science and Technology
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9
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Lin CY, Liu JC. Modular protein domains: an engineering approach toward functional biomaterials. Curr Opin Biotechnol 2016; 40:56-63. [PMID: 26971463 PMCID: PMC4975669 DOI: 10.1016/j.copbio.2016.02.011] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2015] [Revised: 02/11/2016] [Accepted: 02/12/2016] [Indexed: 11/28/2022]
Abstract
Protein domains and peptide sequences are a powerful tool for conferring specific functions to engineered biomaterials. Protein sequences with a wide variety of functionalities, including structure, bioactivity, protein-protein interactions, and stimuli responsiveness, have been identified, and advances in molecular biology continue to pinpoint new sequences. Protein domains can be combined to make recombinant proteins with multiple functionalities. The high fidelity of the protein translation machinery results in exquisite control over the sequence of recombinant proteins and the resulting properties of protein-based materials. In this review, we discuss protein domains and peptide sequences in the context of functional protein-based materials, composite materials, and their biological applications.
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Affiliation(s)
- Charng-Yu Lin
- School of Chemical Engineering, Purdue University, West Lafayette, IN 47907-2100, USA
| | - Julie C Liu
- School of Chemical Engineering, Purdue University, West Lafayette, IN 47907-2100, USA; Weldon School of Biomedical Engineering, Purdue University, West Lafayette, IN 47907-2032, USA.
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10
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Balu R, Mata JP, Knott R, Elvin CM, Hill AJ, Choudhury NR, Dutta NK. Effects of Crowding and Environment on the Evolution of Conformational Ensembles of the Multi-Stimuli-Responsive Intrinsically Disordered Protein, Rec1-Resilin: A Small-Angle Scattering Investigation. J Phys Chem B 2016; 120:6490-503. [PMID: 27281267 DOI: 10.1021/acs.jpcb.6b02475] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
In this study, we explore the overall structural ensembles and transitions of a biomimetic, multi-stimuli-responsive, intrinsically disordered protein (IDP), Rec1-resilin. The structural transition of Rec1-resilin with change in molecular crowding and environment is evaluated using small-angle neutron scattering and small-angle X-ray scattering. The quantitative analyses of the experimental scattering data using a combination of computational models allowed comprehensive description of the structural evolution, organization, and conformational ensembles of Rec1-resilin in response to the changes in concentration, pH, and temperature. Rec1-resilin in uncrowded solutions demonstrates the equilibrium intrinsic structure quality of an IDP with radius of gyration Rg ∼ 5 nm, and a scattering function for the triaxial ellipsoidal model best fit the experimental dataset. On crowding (increase in concentration >10 wt %), Rec1-resilin molecules exert intermolecular repulsive force of interaction, the Rg value reduces with a progressive increase in concentration, and molecular chains transform from a Gaussian coil to a fully swollen coil. It is also revealed that the structural organization of Rec1-resilin dynamically transforms from a rod (pH 2) to coil (pH 4.8) and to globular (pH 12) as a function of pH. The findings further support the temperature-triggered dual-phase-transition behavior of Rec1-resilin, exhibiting rod-shaped structural organization below the upper critical solution temperature (∼4 °C) and a large but compact structure above the lower critical solution temperature (∼75 °C). This work attempted to correlate unusual responsiveness of Rec1-resilin to the evolution of conformational ensembles.
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Affiliation(s)
- Rajkamal Balu
- Future Industries Institute, University of South Australia , Mawson Lakes, SA 5095, Australia
| | - Jitendra P Mata
- Bragg Institute, ANSTO , Private Mail Bag, Kirrawee, NSW 2232, Australia
| | - Robert Knott
- Bragg Institute, ANSTO , Private Mail Bag, Kirrawee, NSW 2232, Australia
| | - Christopher M Elvin
- CSIRO Agriculture, Level 6, Queensland Bioscience Precinct , St Lucia, QLD 4067, Australia
| | - Anita J Hill
- CSIRO Manufacturing , Bayview Avenue, Clayton, VIC 3168, Australia
| | - Namita R Choudhury
- School of Chemical Engineering, The University of Adelaide , Adelaide, SA 5005, Australia.,Future Industries Institute, University of South Australia , Mawson Lakes, SA 5095, Australia
| | - Naba K Dutta
- School of Chemical Engineering, The University of Adelaide , Adelaide, SA 5005, Australia.,Future Industries Institute, University of South Australia , Mawson Lakes, SA 5095, Australia
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