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Vedhanayagam M, Nidhin M, Duraipandy N, Naresh ND, Jaganathan G, Ranganathan M, Kiran MS, Narayan S, Nair BU, Sreeram KJ. Role of nanoparticle size in self-assemble processes of collagen for tissue engineering application. Int J Biol Macromol 2017; 99:655-664. [PMID: 28274865 DOI: 10.1016/j.ijbiomac.2017.02.102] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2016] [Revised: 02/28/2017] [Accepted: 02/28/2017] [Indexed: 11/26/2022]
Abstract
Nanoparticle mediated extracellular matrix may offer new and improved biomaterial to wound healing and tissue engineering applications. However, influence of nanoparticle size in extracellular matrix is still unclear. In this work, we synthesized different size of silver nanoparticles (AgNPs) comprising of 10nm, 35nm and 55nm using nutraceuticals (pectin) as reducing as well as stabilization agents through microwave irradiation method. Synthesized Ag-pectin nanoparticles were assimilated in the self-assemble process of collagen leading to fabricated collagen-Ag-pectin nanoparticle based scaffolds. Physico-chemical properties and biocompatibility of scaffolds were analyzed through FT-IR, SEM, DSC, mechanical strength analyzer, antibacterial activity and MTT assay. Our results suggested that 10nm sized Ag-pectin nanoparticles significantly increased the denaturation temperature (57.83°C) and mechanical strength (0.045MPa) in comparison with native collagen (50.29°C and 0.011MPa). The in vitro biocompatibility assay reveals that, collagen-Ag-pectin nanoparticle based scaffold provided higher antibacterial activity against to Gram positive and Gram negative as well as enhanced cell viability toward keratinocytes. This work opens up a possibility of employing the pectin caged silver nanoparticles to develop collagen-based nanoconstructs for biomedical applications.
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Affiliation(s)
- Mohan Vedhanayagam
- Chemical Laboratory, CSIR-Central Leather Research Institute, Adyar, Chennai 600 020, India
| | - Marimuthu Nidhin
- Department of Chemistry, Amity School of Applied Sciences, Amity University, Gurgaon, India
| | - Natarajan Duraipandy
- Chemical Laboratory, CSIR-Central Leather Research Institute, Adyar, Chennai 600 020, India
| | | | - Ganesh Jaganathan
- Chemical Laboratory, CSIR-Central Leather Research Institute, Adyar, Chennai 600 020, India
| | - Mohan Ranganathan
- Chemical Laboratory, CSIR-Central Leather Research Institute, Adyar, Chennai 600 020, India
| | | | - Shoba Narayan
- Faculty of Allied Health Sciences, Chettinad Academy of Research & Education, Chennai 603 103, India
| | - Balachandran Unni Nair
- Chemical Laboratory, CSIR-Central Leather Research Institute, Adyar, Chennai 600 020, India
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