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D’Altri G, Yeasmin L, Di Matteo V, Scurti S, Giovagnoli A, Di Filippo MF, Gualandi I, Cassani MC, Caretti D, Panzavolta S, Scavetta E, Rea M, Ballarin B. Preparation and Characterization of Self-Healing PVA-H 2SO 4 Hydrogel for Flexible Energy Storage. ACS OMEGA 2024; 9:6391-6402. [PMID: 38371784 PMCID: PMC10870281 DOI: 10.1021/acsomega.3c05392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 01/11/2024] [Accepted: 01/15/2024] [Indexed: 02/20/2024]
Abstract
In the past decade, hydrogels have attracted growing interest for emerging applications in flexible electronic devices, human-machine interactions, energy supply, or energy storage. Developing a multifunctional gel architecture with superior ionic conductivity and good mechanical flexibility is a bottleneck to overcome. Herein, poly(vinyl alcohol)/sulfuric acid (PVA-H2SO4) hydrogels were prepared via a freeze-thaw method. With the aim of tuning the formulation in view of a possible application in energy storage, the effects of different combinations in terms of the molecular weight (MW) of PVA and PVA-H2SO4 weight ratio were investigated. Moreover, exploiting the self-healing properties of these hydrogels and the easy possibility of functionalizing them, i.e., introducing a conducting polymer such as poly(2-acrylamido-2-methyl-1-propane) sulfonic acid doped polyaniline (PANI_PAMPSA), a sandwiched all-in-one double-layer hydrogel (electrode/electrolyte configuration) was prepared (PVA-H2SO4-PANI_PAMPSA/PVA-H2SO4). Results showed that the water content is independent of the PVA amount and MW; the polymer concentration has a significant effect on the formation of crystalline domains and therefore on swelling degree, whereas the cross-linking degree depends on the MW. The PVA MW has the maximum effect on the swelling percentage normalized with respect to the polymer fraction and the tensile properties of the hydrogel. The assembled all-in-one electrode/electrolyte shows promising ionic conductivity (439.7 mS cm-1) and specific capacitance performance (0.297 mF cm-2 at a current density of 0.025 mA cm-2), as well as excellent flexibility and considerable self-healing properties. These results will promote the development of self-healing symmetrical supercapacitors for storage devices in wearable electronics.
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Affiliation(s)
- Giada D’Altri
- Department
of Industrial Chemistry “Toso Montanari”, University of Bologna, Via Risorgimento 4, I-40136 Bologna, Italy
| | - Lamyea Yeasmin
- Department
of Industrial Chemistry “Toso Montanari”, University of Bologna, Via Risorgimento 4, I-40136 Bologna, Italy
- Politecnico
di Torino, Corso Duca degli Abruzzi 24, I-10129 Torino, Italy
| | - Valentina Di Matteo
- Department
of Industrial Chemistry “Toso Montanari”, University of Bologna, Via Risorgimento 4, I-40136 Bologna, Italy
| | - Stefano Scurti
- Department
of Industrial Chemistry “Toso Montanari”, University of Bologna, Via Risorgimento 4, I-40136 Bologna, Italy
| | - Angelica Giovagnoli
- Department
of Industrial Chemistry “Toso Montanari”, University of Bologna, Via Risorgimento 4, I-40136 Bologna, Italy
| | | | - Isacco Gualandi
- Department
of Industrial Chemistry “Toso Montanari”, University of Bologna, Via Risorgimento 4, I-40136 Bologna, Italy
- Center
for Industrial Research−Advanced Applications in Mechanical
Engineering and Materials Technology—CIRI MAM, University of Bologna, Viale del Risorgimento 2, I-40136 Bologna, Italy
| | - Maria Cristina Cassani
- Department
of Industrial Chemistry “Toso Montanari”, University of Bologna, Via Risorgimento 4, I-40136 Bologna, Italy
- Center
for Industrial Research−Advanced Applications in Mechanical
Engineering and Materials Technology—CIRI MAM, University of Bologna, Viale del Risorgimento 2, I-40136 Bologna, Italy
- Consorzio
INSTM, Via G. Giusti,
9, 50121 Firenze, Italy
| | - Daniele Caretti
- Department
of Industrial Chemistry “Toso Montanari”, University of Bologna, Via Risorgimento 4, I-40136 Bologna, Italy
- Center
for Industrial Research−Advanced Applications in Mechanical
Engineering and Materials Technology—CIRI MAM, University of Bologna, Viale del Risorgimento 2, I-40136 Bologna, Italy
| | - Silvia Panzavolta
- Department
of Chemistry “Giacomo Ciamician”, University of Bologna, Via Selmi 2, I-40126 Bologna, Italy
| | - Erika Scavetta
- Department
of Industrial Chemistry “Toso Montanari”, University of Bologna, Via Risorgimento 4, I-40136 Bologna, Italy
- Consorzio
INSTM, Via G. Giusti,
9, 50121 Firenze, Italy
| | - Mariangela Rea
- Department
of Chemistry “Giacomo Ciamician”, University of Bologna, Via Selmi 2, I-40126 Bologna, Italy
| | - Barbara Ballarin
- Department
of Industrial Chemistry “Toso Montanari”, University of Bologna, Via Risorgimento 4, I-40136 Bologna, Italy
- Center
for Industrial Research−Advanced Applications in Mechanical
Engineering and Materials Technology—CIRI MAM, University of Bologna, Viale del Risorgimento 2, I-40136 Bologna, Italy
- Center
for Industrial Research−Fonti Rinnovabili, Ambiente, Mare e
Energia—CIRI FRAME, University of
Bologna, Viale del Risorgimento 2, I-40136 Bologna, Italy
- Consorzio
INSTM, Via G. Giusti,
9, 50121 Firenze, Italy
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Lee Y, So JH, Koo HJ. A Transparent Hydrogel-Ionic Conductor with High Water Retention and Self-Healing Ability. MATERIALS (BASEL, SWITZERLAND) 2024; 17:288. [PMID: 38255457 PMCID: PMC10817594 DOI: 10.3390/ma17020288] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Revised: 01/04/2024] [Accepted: 01/04/2024] [Indexed: 01/24/2024]
Abstract
This study presents a transparent and ion-conductive hydrogel with suppressed water loss. The hydrogel comprises agarose polymer doped with sucrose and sodium chloride salt (NaCl-Suc/A hydrogel). Sucrose increases the water retention of the agarose gel, and the Na and Cl ions dissolved in the gel provide ionic conductivity. The NaCl-Suc/A gel shows high retention capability and maintains a 45% water uptake after 4 h of drying at 60 °C without encapsulation at the optimum gel composition. The doped NaCl-Suc/A hydrogel demonstrates improved mechanical properties and ionic conductivity of 1.6 × 10-2 (S/cm) compared to the pristine agarose hydrogel. The self-healing property of the gel restores the electrical continuity when reassembled after cutting. Finally, to demonstrate a potential application of the ion-conductive hydrogel, a transparent and flexible pressure sensor is fabricated using the NaCl-Suc/A hydrogel, and its performance is demonstrated. The results of this study could contribute to solving problems with hydrogel-based devices such as rapid dehydration and poor mechanical properties.
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Affiliation(s)
- Yangwoo Lee
- Department of Chemical & Biomolecular Engineering, Seoul National University of Science & Technology, 232 Gongneung-ro, Nowon-gu, Seoul 01811, Republic of Korea;
| | - Ju-Hee So
- Material & Component Convergence R&D Department, Korea Institute of Industrial Technology, Ansan 15588, Republic of Korea
| | - Hyung-Jun Koo
- Department of Chemical & Biomolecular Engineering, Seoul National University of Science & Technology, 232 Gongneung-ro, Nowon-gu, Seoul 01811, Republic of Korea;
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Araújo D, Martins M, Concórdio-Reis P, Roma-Rodrigues C, Morais M, Alves VD, Fernandes AR, Freitas F. Novel Hydrogel Membranes Based on the Bacterial Polysaccharide FucoPol: Design, Characterization and Biological Properties. Pharmaceuticals (Basel) 2023; 16:991. [PMID: 37513903 PMCID: PMC10383424 DOI: 10.3390/ph16070991] [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: 06/15/2023] [Revised: 07/05/2023] [Accepted: 07/06/2023] [Indexed: 07/30/2023] Open
Abstract
FucoPol, a fucose-rich polyanionic polysaccharide, was used for the first time for the preparation of hydrogel membranes (HMs) using Fe3+ as a crosslinking agent. This study evaluated the impact of Fe3+ and FucoPol concentrations on the HMs' strength. The results show that, above 1.5 g/L, Fe3+ concentration had a limited influence on the HMs' strength, and varying the FucoPol concentration had a more significant effect. Three different FucoPol concentrations (1.0, 1.75 and 2.5 wt.%) were combined with Fe3+ (1.5 g/L), resulting in HMs with a water content above 97 wt.% and an Fe3+ content up to 0.16 wt.%. HMs with lower FucoPol content exhibited a denser porous microstructure as the polymer concentration increased. Moreover, the low polymer content HM presented the highest swelling ratio (22.3 ± 1.8 g/g) and a lower hardness value (32.4 ± 5.8 kPa). However, improved mechanical properties (221.9 ± 10.2 kPa) along with a decrease in the swelling ratio (11.9 ± 1.6 g/g) were obtained for HMs with a higher polymer content. Furthermore, all HMs were non-cytotoxic and revealed anti-inflammatory activity. The incorporation of FucoPol as a structuring agent and bioactive ingredient in the development of HMs opens up new possibilities for its use in tissue engineering, drug delivery and wound care management.
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Affiliation(s)
- Diana Araújo
- Associate Laboratory i4HB-Institute for Health and Bioeconomy, School of Science and Technology, NOVA University Lisbon, 2829-516 Caparica, Portugal
- UCIBIO-Applied Molecular Biosciences Unit, Department of Chemistry, School of Science and Technology, NOVA University Lisbon, 2829-516 Caparica, Portugal
- UCIBIO-Applied Molecular Biosciences Unit, Department of Life Sciences, School of Science and Technology, NOVA University Lisbon, 2829-516 Caparica, Portugal
| | - Matilde Martins
- Associate Laboratory i4HB-Institute for Health and Bioeconomy, School of Science and Technology, NOVA University Lisbon, 2829-516 Caparica, Portugal
- UCIBIO-Applied Molecular Biosciences Unit, Department of Chemistry, School of Science and Technology, NOVA University Lisbon, 2829-516 Caparica, Portugal
| | - Patrícia Concórdio-Reis
- Associate Laboratory i4HB-Institute for Health and Bioeconomy, School of Science and Technology, NOVA University Lisbon, 2829-516 Caparica, Portugal
- UCIBIO-Applied Molecular Biosciences Unit, Department of Chemistry, School of Science and Technology, NOVA University Lisbon, 2829-516 Caparica, Portugal
| | - Catarina Roma-Rodrigues
- Associate Laboratory i4HB-Institute for Health and Bioeconomy, School of Science and Technology, NOVA University Lisbon, 2829-516 Caparica, Portugal
- UCIBIO-Applied Molecular Biosciences Unit, Department of Life Sciences, School of Science and Technology, NOVA University Lisbon, 2829-516 Caparica, Portugal
| | - Maria Morais
- i3N/CENIMAT, Department of Materials Science, Faculty of Sciences and Technology, NOVA University of Lisbon and CEMOP/UNINOVA, 2829-516 Caparica, Portugal
| | - Vítor D Alves
- LEAF-Linking Landscape, Environment, Agriculture and Food Research Center, Associated Laboratory TERRA, Instituto Superior de Agronomia, Universidade de Lisboa, 1349-017 Lisboa, Portugal
| | - Alexandra R Fernandes
- Associate Laboratory i4HB-Institute for Health and Bioeconomy, School of Science and Technology, NOVA University Lisbon, 2829-516 Caparica, Portugal
- UCIBIO-Applied Molecular Biosciences Unit, Department of Life Sciences, School of Science and Technology, NOVA University Lisbon, 2829-516 Caparica, Portugal
| | - Filomena Freitas
- Associate Laboratory i4HB-Institute for Health and Bioeconomy, School of Science and Technology, NOVA University Lisbon, 2829-516 Caparica, Portugal
- UCIBIO-Applied Molecular Biosciences Unit, Department of Chemistry, School of Science and Technology, NOVA University Lisbon, 2829-516 Caparica, Portugal
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Morena AG, Pérez-Rafael S, Tzanov T. Lignin-Based Nanoparticles as Both Structural and Active Elements in Self-Assembling and Self-Healing Multifunctional Hydrogels for Chronic Wound Management. Pharmaceutics 2022; 14:pharmaceutics14122658. [PMID: 36559153 PMCID: PMC9781249 DOI: 10.3390/pharmaceutics14122658] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Revised: 11/25/2022] [Accepted: 11/26/2022] [Indexed: 12/02/2022] Open
Abstract
Efficient wound healing is feasible when the dressing materials simultaneously target multiple factors causing wound chronicity, such as deleterious proteolytic and oxidative enzymes and bacterial infection. Herein, entirely bio-based multifunctional self-assembled hydrogels for wound healing were developed by simply mixing two biopolymers, thiolated hyaluronic acid (HA-SH) and silk fibroin (SF), with lignin-based nanoparticles (NPs) as both structural and functional elements. Sono-enzymatic lignin modification with natural phenolic compounds results in antibacterial and antioxidant phenolated lignin nanoparticles (PLN) capable of establishing multiple interactions with both polymers. These strong and dynamic polymer-NP interactions endow the hydrogels with self-healing and shear-thinning properties, and pH-responsive NP release is triggered at neutral to alkaline pH (7-9). Despite being a physically crosslinked hydrogel, the material was stable for at least 7 days, and its mechanical and functional properties can be tuned depending on the polymer and NP concentration. Furthermore, human skin cells in contact with the nanocomposite hydrogels for 7 days showed more than 93% viability, while the viability of clinically relevant Staphylococcus aureus and Pseudomonas aeruginosa was reduced by 99.7 and 99.0%, respectively. The hydrogels inhibited up to 52% of the activity of myeloperoxidase and matrix metalloproteinases, responsible for wound chronicity, and showed a strong antioxidant effect, which are crucial features promoting wound healing.
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Nissola C, Marchioro MLK, de Souza Leite Mello EV, Guidi AC, de Medeiros DC, da Silva CG, de Mello JCP, Pereira EA, Barbosa-Dekker AM, Dekker RFH, Cunha MAA. Hydrogel containing (1 → 6)-β-D-glucan (lasiodiplodan) effectively promotes dermal wound healing. Int J Biol Macromol 2021; 183:316-330. [PMID: 33930443 DOI: 10.1016/j.ijbiomac.2021.04.169] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Revised: 04/23/2021] [Accepted: 04/25/2021] [Indexed: 11/24/2022]
Abstract
A hydrogel containing exocellular (1 → 6)-β-D-glucan (lasiodiplodan, LAS) was developed and its wound healing potential was evaluated. β-Glucans have attracted much interest by the cosmetic industry sector because of their bioactive and functional properties and in promoting skin health. In the present work an β-glucan was studied as a healing biomaterial that has not hitherto been reported in the scientific literature. LAS produced by the ascomycete Lasiodiplodia theobromae MMPI was used in the formulation of a healing hydrogel. Physicochemical and microbiological quality parameters, antioxidant potential and stability of the formulation was evaluated. FTIR, thermal analysis and SEM techniques were also employed in the characterization. Wistar rats were used as a biological model to investigate the wound healing potential. Histological analyses of cutaneous tissue from the dorsal region were conducted after 4, 7, 10 and 14 days of treatment, and evaluated re-epithelialization, cell proliferation and collagen production. Physicochemical stability, microbiological quality and antioxidant potential, especially in relation to its ability to scavenge hydroxyl radicals were found. The hydrogel stimulated cell re-epithelialization and proliferation during all days of the treatment, and stimulated an increase of collagen fibers. Lasiodiplodan showed immunomodulatory activity in wound healing and this biomacromolecule could be an alternative compound in wound care.
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Affiliation(s)
- Candida Nissola
- Programa de Pós-Graduação em Biotecnologia, Universidade Tecnológica Federal do Paraná, Câmpus Dois Vizinhos, CEP 85660-000 Dois Vizinhos, Paraná, Brazil
| | - Marcelo Luis Kuhn Marchioro
- Departamento de Química, Universidade Tecnológica Federal do Paraná, Campus Pato Branco, CEP 85503-390 Pato Branco, Paraná, Brazil
| | | | - Ana Carolina Guidi
- Departamento de Farmácia, Laboratório de Biologia Farmacêutica, Universidade Estadual de Maringá, CEP 87020-900 Maringá, Paraná, Brazil
| | - Daniela Cristina de Medeiros
- Departamento de Farmácia, Laboratório de Biologia Farmacêutica, Universidade Estadual de Maringá, CEP 87020-900 Maringá, Paraná, Brazil
| | - Camila Girotto da Silva
- Departamento de Farmácia, Laboratório de Biologia Farmacêutica, Universidade Estadual de Maringá, CEP 87020-900 Maringá, Paraná, Brazil
| | - João Carlos Palazzo de Mello
- Departamento de Farmácia, Laboratório de Biologia Farmacêutica, Universidade Estadual de Maringá, CEP 87020-900 Maringá, Paraná, Brazil
| | - Edimir Andrade Pereira
- Departamento de Química, Universidade Tecnológica Federal do Paraná, Campus Pato Branco, CEP 85503-390 Pato Branco, Paraná, Brazil
| | - Aneli M Barbosa-Dekker
- Departamento de Química, Centro de Ciências Exatas, Universidade Estadual de Londrina, CEP 86057-970 Londrina, Paraná, Brazil
| | - Robert F H Dekker
- Programa de Pós-Graduação em Engenharia Ambiental, Universidade Tecnológica Federal do Paraná, Câmpus Londrina, CEP 86036-370 Londrina, Paraná, Brazil
| | - Mário A A Cunha
- Programa de Pós-Graduação em Biotecnologia, Universidade Tecnológica Federal do Paraná, Câmpus Dois Vizinhos, CEP 85660-000 Dois Vizinhos, Paraná, Brazil; Departamento de Química, Universidade Tecnológica Federal do Paraná, Campus Pato Branco, CEP 85503-390 Pato Branco, Paraná, Brazil.
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Preparation and application of agar/alginate/collagen ternary blend functional food packaging films. Int J Biol Macromol 2015; 80:460-8. [DOI: 10.1016/j.ijbiomac.2015.07.007] [Citation(s) in RCA: 149] [Impact Index Per Article: 16.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2015] [Revised: 07/06/2015] [Accepted: 07/08/2015] [Indexed: 11/21/2022]
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Ngadaonye JI, Geever LM, McEvoy KE, Killion J, Brady DB, Higginbotham CL. Evaluation of Novel Antibiotic-Eluting Thermoresponsive Chitosan-PDEAAm Based Wound Dressings. INT J POLYM MATER PO 2014. [DOI: 10.1080/00914037.2014.886224] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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8
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Taleb MA, Hegazy DE, Mahmoud GA. Characterization and In Vitro Drug Release Behavior of (2-hydroxyethyl methacrylate)–co-(2-acrylamido-2-methyl-1-propanesulfonic acid) Crosslinked Hydrogels Prepared by Ionizing Radiation. INT J POLYM MATER PO 2014. [DOI: 10.1080/00914037.2014.886221] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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9
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CHHATRI AMITA, BAJPAI JAYA, BAJPAI AK. Development of Savlon Containing Polyvinyl Alcohol Based Cryogels as Potential Biomaterials for Burn Healing Applications. INT J POLYM MATER PO 2014. [DOI: 10.1080/00914037.2013.853667] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Tan SP, McLoughlin P, O'Sullivan L, Prieto ML, Gardiner GE, Lawlor PG, Hughes H. Development of a novel antimicrobial seaweed extract-based hydrogel wound dressing. Int J Pharm 2013; 456:10-20. [PMID: 23958753 DOI: 10.1016/j.ijpharm.2013.08.018] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2013] [Revised: 08/07/2013] [Accepted: 08/08/2013] [Indexed: 02/08/2023]
Abstract
The objective of this study was to develop a novel antimicrobial seaweed wound dressing. The seaweed extract was active against nine clinically-relevant wound pathogens. A hydrogel formulation was prepared using polyvinyl alcohol (PVA) and polyvinylpyrrolidone (PVP), followed by addition of 1% seaweed extract. The antimicrobial properties of the novel dressing were tested using agar diffusion assays, with release-profiles examined using gel leaching and gel transfer assays. The dressing was found to be effective against the same microbial strains as the seaweed extract, with similar efficacy to the commonly used silver-based dressing, Acticoat(®). Antimicrobial release-profile assays revealed that the dressing was effective in inhibiting 70-90% of the bacterial population within the first 30 min, followed by a long, sustained released up to 97 h, without leaving a residue following five subsequent transfers of the dressing. Antimicrobial activity was stable for up to 6 months of storage at 4 °C, but activity was reduced slightly after 15 weeks. Following autoclave sterilization, the dressing displayed a slower release profile compared to a non-autoclaved counterpart. Hence, the seaweed dressing may have commercial applications, potentially competing with silver-based dressings at a lower cost per-application. This is the first report of development of a seaweed-based antimicrobial dressing.
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Affiliation(s)
- Shiau Pin Tan
- Eco-Innovation Research Centre, Department of Chemical & Life Sciences, Waterford Institute of Technology, Cork Road, Waterford, Ireland.
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