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A Brief Introduction to the Polyurethanes According to the Principles of Green Chemistry. Processes (Basel) 2021. [DOI: 10.3390/pr9111929] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
Polyurethanes are most often called “green” when they contain natural, renewable additives in their network or chemical structure, such as mono- and polysaccharides, oils (mainly vegetable oils), polyphenols (e.g., lignins, tannins), or various compounds derived from agro-waste white biotechnology (Principle 7). This usually results in these polyurethanes obtained from less hazardous substrates (Principle 4). Appropriate modification of polyurethanes makes them susceptible to degradation, and the use of appropriate processes allows for their recycling (Principle 10). However, this fulfilment of other principles also predisposes them to be green. As in the production of other polymer materials, the synthesis of polyurethanes is carried out with the use of catalysts (such as biocatalysts) (Principle 9) with full control of the course of the reaction (Principle 11), which allows maximization of the atomic economy (Principle 2) and an increase in energy efficiency (Principle 6) while minimizing the risk of production waste (Principle 1). Moreover, traditional substrates in the synthesis of polyurethanes can be replaced with less toxic ones (e.g., in non-isocyanate polyurethanes), which, at the same time, leads to a non-toxic product (Principle 3, Principle 5). In general, there is no need for blocking compounds to provide intermediates in the synthesis of polyurethanes (Principle 8). Reasonable storage of substrates, their transport, and the synthesis of polyurethanes guarantee the safety and the prevention of uncontrolled reactions (Principle 12). This publication is a summary of the achievements of scientists and technologists who are constantly working to create ideal polyurethanes that do not pollute the environment, and their synthesis and use are consistent with the principles of sustainable economy.
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Park J, Kim Y, Chun B, Seo J. Rational engineering and applications of functional bioadhesives in biomedical engineering. Biotechnol J 2021; 16:e2100231. [PMID: 34469052 DOI: 10.1002/biot.202100231] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 08/24/2021] [Accepted: 08/30/2021] [Indexed: 12/31/2022]
Abstract
For the past decades, several bioadhesives have been developed to replace conventional wound closure medical tools such as sutures, staples, and clips. The bioadhesives are easy to use and can minimize tissue damage. They are designed to provide strong adhesion with stable mechanical support on tissue surfaces. However, this monofunctionality of the bioadhesives hinders their practical applications. In particular, a bioadhesive can lose its intended function under harsh tissue environments or delay tissue regeneration during wound healing. Based on several natural and synthetic biomaterials, functional bioadhesives have been developed to overcome the aforementioned limitations. The functional bioadhesives are designed to have specific characteristics such as antimicrobial, cell infiltrative, stimuli-responsive, electrically conductive, and self-healing to ensure stability under harsh tissue conditions, facilitate tissue regeneration, and effectively monitor biosignals. Herein, we thoroughly review the functional bioadhesives from their fundamental background to recent progress with their practical applications for the enhancement of tissue healing and effective biosignal sensing. Furthermore, the future perspectives on the applications of functional bioadhesives and current challenges in their commercialization are also discussed.
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Affiliation(s)
- Jae Park
- Biological Interfaces and Sensor Systems Laboratory, School of Electrical and Electronic Engineering, Yonsei University, Seoul, Republic of Korea
| | - Yeonju Kim
- Biological Interfaces and Sensor Systems Laboratory, School of Electrical and Electronic Engineering, Yonsei University, Seoul, Republic of Korea
| | - Beomsoo Chun
- Biological Interfaces and Sensor Systems Laboratory, School of Electrical and Electronic Engineering, Yonsei University, Seoul, Republic of Korea
| | - Jungmok Seo
- Biological Interfaces and Sensor Systems Laboratory, School of Electrical and Electronic Engineering, Yonsei University, Seoul, Republic of Korea
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Bal-Ozturk A, Cecen B, Avci-Adali M, Topkaya SN, Alarcin E, Yasayan G, Ethan YC, Bulkurcuoglu B, Akpek A, Avci H, Shi K, Shin SR, Hassan S. Tissue Adhesives: From Research to Clinical Translation. NANO TODAY 2021; 36:101049. [PMID: 33425002 PMCID: PMC7793024 DOI: 10.1016/j.nantod.2020.101049] [Citation(s) in RCA: 64] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Sutures, staples, clips and skin closure strips are used as the gold standard to close wounds after an injury. In spite of being the present standard of care, the utilization of these conventional methods is precarious amid complicated and sensitive surgeries such as vascular anastomosis, ocular surgeries, nerve repair, or due to the high-risk components included. Tissue adhesives function as an interface to connect the surfaces of wound edges and prevent them from separation. They are fluid or semi-fluid mixtures that can be easily used to seal any wound of any morphology - uniform or irregular. As such, they provide alternatives to new and novel platforms for wound closure methods. In this review, we offer a background on the improvement of distinctive tissue adhesives focusing on the chemistry of some of these products that have been a commercial success from the clinical application perspective. This review is aimed to provide a guide toward innovation of tissue bioadhesive materials and their associated biomedical applications.
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Affiliation(s)
- Ayça Bal-Ozturk
- Department of Analytical Chemistry, Faculty of Pharmacy, Istinye University, 34010, Zeytinburnu, Istanbul, Turkey
- Department of Stem Cell and Tissue Engineering, Institute of Health Sciences, Istinye University, 34010 Istanbul, Turkey
| | - Berivan Cecen
- Division of Engineering in Medicine, Department of Medicine, Harvard Medical School, Brigham and Women’s Hospital, Cambridge, MA 02139, USA
| | - Meltem Avci-Adali
- Department of Thoracic and Cardiovascular Surgery, University Hospital Tuebingen, Calwerstraße 7/1, 72076 Tuebingen, Germany
| | - Seda Nur Topkaya
- Department of Analytical Chemistry, Faculty of Pharmacy, Izmir Katip Celebi University, Izmir, Turkey
| | - Emine Alarcin
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Marmara University, 34668, Haydarpasa, Istanbul, Turkey
| | - Gokcen Yasayan
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Marmara University, 34668, Haydarpasa, Istanbul, Turkey
| | - Yi-Chen Ethan
- Department of Chemical Engineering, Feng Chia University, Taichung, Taiwan
| | | | - Ali Akpek
- Institute of Biotechnology, Gebze Technical University, 41400, Gebze Kocaeli-Turkey
- Department of Bioengineering, Gebze Technical University, 41400, Gebze Kocaeli-Turkey
- Sabanci University Nanotechnology Research & Application Center, 34956, Tuzla Istanbul-Turkey
| | - Huseyin Avci
- Department of Metallurgical and Materials Engineering, Faculty of Engineering and Architecture Eskisehir Osmangazi University Eskisehir Turkey
| | - Kun Shi
- Division of Engineering in Medicine, Department of Medicine, Harvard Medical School, Brigham and Women’s Hospital, Cambridge, MA 02139, USA
| | - Su Ryon Shin
- Division of Engineering in Medicine, Department of Medicine, Harvard Medical School, Brigham and Women’s Hospital, Cambridge, MA 02139, USA
| | - Shabir Hassan
- Division of Engineering in Medicine, Department of Medicine, Harvard Medical School, Brigham and Women’s Hospital, Cambridge, MA 02139, USA
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Salimi S, Wu Y, Barreiros MIE, Natfji AA, Khaled S, Wildman R, Hart LR, Greco F, Clark EA, Roberts CJ, Hayes W. A 3D printed drug delivery implant formed from a dynamic supramolecular polyurethane formulation. Polym Chem 2020. [DOI: 10.1039/d0py00068j] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
Prototype drug eluting implants have been 3D printed using a supramolecular polyurethane-PEG formulation. The implants are capable of releasing a pharmaceutical active with effective drug release over a period of up to 8.5 months.
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Affiliation(s)
- S. Salimi
- Department of Chemistry
- University of Reading
- Reading
- UK
| | - Y. Wu
- Faculty of Engineering
- The University of Nottingham
- University Park
- Nottingham
- UK
| | | | - A. A. Natfji
- School of Pharmacy
- University of Reading
- Reading
- UK
| | - S. Khaled
- School of Pharmacy
- University of Nottingham
- Nottingham NG7 2RD
- UK
| | - R. Wildman
- Faculty of Engineering
- The University of Nottingham
- University Park
- Nottingham
- UK
| | - L. R. Hart
- Department of Chemistry
- University of Reading
- Reading
- UK
| | - F. Greco
- School of Pharmacy
- University of Reading
- Reading
- UK
| | - E. A. Clark
- School of Pharmacy
- University of Nottingham
- Nottingham NG7 2RD
- UK
| | - C. J. Roberts
- School of Pharmacy
- University of Nottingham
- Nottingham NG7 2RD
- UK
| | - W. Hayes
- Department of Chemistry
- University of Reading
- Reading
- UK
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Szaraniec B, Pielichowska K, Pac E, Menaszek E. Multifunctional polymer coatings for titanium implants. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2018; 93:950-957. [PMID: 30274132 DOI: 10.1016/j.msec.2018.08.065] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2017] [Revised: 08/11/2018] [Accepted: 08/30/2018] [Indexed: 01/04/2023]
Abstract
The aim of this work was to modify the surface of the titanium implants by application of multifunctional polymer coatings based on polyurethane and its composites with graphene and β-TCP. Graphene was used as an antibacterial agent, TCP as a bioactive component, and polymer coating as a corrosion protection of metal. As a result, materials with different surface characteristic, from hydrophilic to hydrophobic, varying in bioactivity and biocompatibility, were obtained. Wettability of the materials was tested by the sessile drop method; surface roughness was assessed on the basis of Ra parameter, measured by contact profilometry. The surface characteristic was complemented by microhardness testing. Also, in vitro immersion tests in fluids and cell tests were performed. Obtained results suggest that it is possible to fabricate, on the surface of titanium implants, multifunctional composite coatings based on polyurethane, with optimal composition for bone surgery and dentistry applications. The study further showed that the chemical structure (composition) of the polymer and the graphene content are crucial in terms of biocompatibility of the final material, while addition of tricalcium phosphate affects its bioactivity.
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Affiliation(s)
- Barbara Szaraniec
- AGH University of Science and Technology, Faculty of Materials Science and Ceramics, Department of Biomaterials and Composites, Mickiewicza 30 Ave., 30-059 Kraków, Poland.
| | - Kinga Pielichowska
- AGH University of Science and Technology, Faculty of Materials Science and Ceramics, Department of Biomaterials and Composites, Mickiewicza 30 Ave., 30-059 Kraków, Poland
| | - Ewelina Pac
- AGH University of Science and Technology, Faculty of Materials Science and Ceramics, Department of Biomaterials and Composites, Mickiewicza 30 Ave., 30-059 Kraków, Poland
| | - Elżbieta Menaszek
- UJ Jagiellonian University, Collegium Medicum, Faculty of Pharmacy, Department of Cytobiology, Medyczna 9 St., 30-688 Kraków, Poland
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Chen H, Yang J, Xiao S, Hu R, Bhaway SM, Vogt BD, Zhang M, Chen Q, Ma J, Chang Y, Li L, Zheng J. Salt-responsive polyzwitterionic materials for surface regeneration between switchable fouling and antifouling properties. Acta Biomater 2016; 40:62-69. [PMID: 26965396 DOI: 10.1016/j.actbio.2016.03.009] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2015] [Revised: 02/09/2016] [Accepted: 03/04/2016] [Indexed: 01/06/2023]
Abstract
UNLABELLED Development of smart regenerative surface is a highly challenging but important task for many scientific and industrial applications. Specifically, very limited research efforts were made for surface regeneration between bio-adhesion and antifouling properties, because bioadhesion and antifouling are the two highly desirable but completely opposite properties of materials. Herein, we developed salt-responsive polymer brushes of poly(3-(1-(4-vinylbenzyl)-1H-imidazol-3-ium-3-yl) propane-1-sulfonate) (polyVBIPS), which can be switched reversibly and repeatedly between protein capture/release and surface wettability in a controllable manner. PolyVBIPS brush has demonstrated its switching ability to resist both protein adsorption from 100% blood plasma/serum and bacterial attachment in multiple cycles. PolyVBIPS brush also exhibits reversible surface wettability from ∼40° to 25° between in PBS and in 1M NaCl solutions in multiple cycles. Overall, the salt-responsive behaviors of polyVBIPS brushes can be interpreted by the "anti-polyelectrolyte effect", i.e. polyVBIPS brushes adopt a collapsed chain conformation at low ionic strengths to achieve surface adhesive, but an extended chain conformation at high ionic strength to realize antifouling properties. We expect that polyVBIPS will provide a simple, robust, and promising system for the fabrication of smart surfaces with biocompatible, reliable, and regenerative properties. STATEMENT OF SIGNIFICANCE Unlike many materials with "one-time switching" capability for surface regeneration, we developed a new regenerative surface of zwitterionic polymer brush, which exhibits a reversible salt-induced switching property between a biomolecule-adhesive state and a biomolecule repellent state in complex media for multiple cycles. PolyVBIPS is easily synthesized and can be straightforward coated on the surface, which provides a simple, robust, and promising system for the fabrication of smart surfaces with biocompatible, reliable, regenerative properties.
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Affiliation(s)
- Hong Chen
- Department of Chemical and Biomolecular Engineering, The University of Akron, Akron, OH 44325, USA
| | - Jintao Yang
- College of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Shengwei Xiao
- College of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Rundong Hu
- Department of Chemical and Biomolecular Engineering, The University of Akron, Akron, OH 44325, USA
| | - Sarang M Bhaway
- Department of Polymer Engineering, The University of Akron, Akron, OH 44325, USA
| | - Bryan D Vogt
- Department of Polymer Engineering, The University of Akron, Akron, OH 44325, USA
| | - Mingzhen Zhang
- Department of Chemical and Biomolecular Engineering, The University of Akron, Akron, OH 44325, USA
| | - Qiang Chen
- Department of Chemical and Biomolecular Engineering, The University of Akron, Akron, OH 44325, USA; School of Material Science and Engineering, Henan Polytechnic University, Jiaozuo 454003, China
| | - Jie Ma
- Department of Chemical and Biomolecular Engineering, The University of Akron, Akron, OH 44325, USA; State Key Laboratory of Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Tongji University, Shanghai 200092, China
| | - Yung Chang
- Department of Chemical and Biomolecular Engineering, The University of Akron, Akron, OH 44325, USA; R&D Center for Membrane Technology and Department of Chemical Engineering, Chung Yuan University, 200 Chung Pei Road, Chung Li, Taoyuan 32023, Taiwan
| | - Lingyan Li
- Department of Chemical and Biomolecular Engineering, The University of Akron, Akron, OH 44325, USA
| | - Jie Zheng
- Department of Chemical and Biomolecular Engineering, The University of Akron, Akron, OH 44325, USA.
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Development of antithrombotic nanoconjugate blocking integrin α2β1-collagen interactions. Sci Rep 2016; 6:26292. [PMID: 27195826 PMCID: PMC4872532 DOI: 10.1038/srep26292] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2016] [Accepted: 04/28/2016] [Indexed: 01/07/2023] Open
Abstract
An antithrombotic nanoconjugate was designed in which a designed biomimetic peptide LWWNSYY was immobilized to the surface of poly(glycidyl methacrylate) nanoparticles (PGMA NPs). Our previous work has demonstrated LWWNSYY to be an effective inhibitor of integrin α2β1-collagen interaction and subsequent thrombus formation, however its practical application suffered from the formation of clusters in physiological environment caused by its high hydrophobicity. In our present study, the obtained LWWNSYY-PGMA nanoparticles (L-PGMA NPs) conjugate, with an improved dispersibility of LWWNSYY by PGMA NPs, have shown binding to collagen receptors with a Kd of 3.45 ± 1.06 μM. L-PGMA NPs have also proven capable of inhibiting platelet adhesion in vitro with a reduced IC50 of 1.83 ± 0.29 μg/mL. High inhibition efficiency of L-PGMA NPs in thrombus formation was further confirmed in vivo with a 50% reduction of thrombus weight. Therefore, L-PGMA NPs were developed as a high-efficiency antithrombotic nanomedicine targeted for collagen exposed on diseased blood vessel wall.
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Feng Y, Liu W, Ren X, Lu W, Guo M, Behl M, Lendlein A, Zhang W. Evaluation of Electrospun PCL-PIBMD Meshes Modified with Plasmid Complexes in Vitro and in Vivo. Polymers (Basel) 2016; 8:E58. [PMID: 30979153 PMCID: PMC6432533 DOI: 10.3390/polym8030058] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2016] [Revised: 02/12/2016] [Accepted: 02/15/2016] [Indexed: 01/30/2023] Open
Abstract
Functional artificial vascular meshes from biodegradable polymers have been widely explored for certain tissue engineered meshes. Still, the foreign body reaction and limitation in endothelialization are challenges for such devices. Here, degradable meshes from phase-segregated multiblock copolymers consisting of poly(ε-caprolactone) (PCL) and polydepsipeptide segments are successfully prepared by electrospinning and electrospraying techniques. The pEGFP-ZNF580 plasmid microparticles (MPs-pZNF580) were loaded into the electrospun meshes to enhance endothelialization. These functional meshes were evaluated in vitro and in vivo. The adhesion and proliferation of endothelial cells on the meshes were enhanced in loaded mesh groups. Moreover, the hemocompatibility and the tissue response of the meshes were further tested. The complete tests showed that the vascular meshes modified with MPs-pZNF580 possessed satisfactory performance with an average fiber diameter of 550 ± 160 nm, tensile strength of 27 ± 3 MPa, Young's modulus of 1. 9 ± 0.2 MPa, water contact angle of 95° ± 2°, relative cell number of 122% ± 1% after 7 days of culture, and low blood platelet adhesion as well as weak inflammatory reactions compared to control groups.
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Affiliation(s)
- Yakai Feng
- School of Chemical Engineering and Technology, Collaborative Innovation Center of Chemical Science and Chemical Engineering (Tianjin), Tianjin University, Tianjin 300072, China.
- Tianjin University⁻Helmholtz-Zentrum Geesthacht, Joint Laboratory for Biomaterials and Regenerative Medicine, Tianjin 300072, China.
- Key Laboratory of Systems Bioengineering of Ministry of Education, Tianjin University, Tianjin 300072, China.
| | - Wen Liu
- School of Chemical Engineering and Technology, Collaborative Innovation Center of Chemical Science and Chemical Engineering (Tianjin), Tianjin University, Tianjin 300072, China.
| | - Xiangkui Ren
- School of Chemical Engineering and Technology, Collaborative Innovation Center of Chemical Science and Chemical Engineering (Tianjin), Tianjin University, Tianjin 300072, China.
- Tianjin University⁻Helmholtz-Zentrum Geesthacht, Joint Laboratory for Biomaterials and Regenerative Medicine, Tianjin 300072, China.
| | - Wei Lu
- School of Chemical Engineering and Technology, Collaborative Innovation Center of Chemical Science and Chemical Engineering (Tianjin), Tianjin University, Tianjin 300072, China.
| | - Mengyang Guo
- School of Chemical Engineering and Technology, Collaborative Innovation Center of Chemical Science and Chemical Engineering (Tianjin), Tianjin University, Tianjin 300072, China.
| | - Marc Behl
- Institute of Biomaterial Science, Berlin Brandenburg Center for Regenerative Therapies, Helmholtz-Zentrum Geesthacht, Kantstr. 55, 14513 Teltow, Germany.
- Tianjin University⁻Helmholtz-Zentrum Geesthacht, Joint Laboratory for Biomaterials and Regenerative Medicine, Kantstr. 55, 14513 Teltow, Germany.
| | - Andreas Lendlein
- Institute of Biomaterial Science, Berlin Brandenburg Center for Regenerative Therapies, Helmholtz-Zentrum Geesthacht, Kantstr. 55, 14513 Teltow, Germany.
- Tianjin University⁻Helmholtz-Zentrum Geesthacht, Joint Laboratory for Biomaterials and Regenerative Medicine, Kantstr. 55, 14513 Teltow, Germany.
| | - Wencheng Zhang
- Department of Physiology and Pathophysiology, Logistics University of Chinese People's Armed Police Force, Tianjin 300162, China.
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Bhattacharyya A, Mukherjee D, Mishra R, Kundu PP. Development of pH sensitive polyurethane–alginate nanoparticles for safe and efficient oral insulin delivery in animal models. RSC Adv 2016. [DOI: 10.1039/c6ra06749b] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Blends of sodium alginate (ALG) and polyurethane (PU) synthesized from depolymerised polyethylene terephthalate (PET) to formulate insulin loaded PU–ALG nanoparticles for the purpose of controlled oral insulin delivery.
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Affiliation(s)
- Aditi Bhattacharyya
- Department of Polymer Science and Technology
- University of Calcutta
- Kolkata 700009
- India
| | | | - Roshnara Mishra
- Department of Physiology
- University of Calcutta
- Kolkata 700009
- India
| | - P. P. Kundu
- Department of Polymer Science and Technology
- University of Calcutta
- Kolkata 700009
- India
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