Fluorescent nanonetworks: A novel bioalley for collagen scaffolds and Tissue Engineering

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dc.contributor.authorNidhin, M
dc.contributor.authorVedhanayagam, M
dc.contributor.authorSangeetha, S
dc.contributor.authorKiran, MS
dc.contributor.authorShaiju, SN
dc.contributor.authorJayasree, RS
dc.contributor.authorSreeram, KJ
dc.contributor.authorNair, BU
dc.date.accessioned2015-01-07T09:38:29Z
dc.date.available2015-01-07T09:38:29Z
dc.date.issued2014-08
dc.description.abstractNative collagen is arranged in bundles of aligned fibrils to withstand in vivo mechanical loads. Reproducing such a process under in vitro conditions has not met with major success. Our approach has been to induce nanolinks, during the self-assembly process, leading to delayed rather than inhibited fibrillogenesis. For this, a designed synthesis of nanoparticles - using starch as a template and a reflux process, which would provide a highly anisotropic (star shaped) nanoparticle, with large surface area was adopted. Anisotropy associated decrease in Morin temperature and superparamagnetic behavior was observed. Polysaccharide on the nanoparticle surface provided aqueous stability and low cytotoxicity. Starch coated nanoparticles was utilized to build polysaccharide - collagen crosslinks, which supplemented natural crosslinks in collagen, without disturbing the conformation of collagen. The resulting fibrillar lamellae showed a striking resemblance to native lamellae, but had a melting and denaturation temperature higher than native collagen. The biocompatibility and superparamagnetism of the nanoparticles also come handy in the development of stable collagen constructs for various biomedical applications, including that of MRI contrast agents.en_US
dc.identifier.citationScientific Reports(Nature Publishing Group). 2014en_US
dc.identifier.urihttp://dx.doi.org/10.1038/srep05968
dc.identifier.urihttps://dspace.sctimst.ac.in/handle/123456789/2276
dc.publisherScientific Reports(Nature Publishing Group).en_US
dc.titleFluorescent nanonetworks: A novel bioalley for collagen scaffolds and Tissue Engineeringen_US
dc.typeArticleen_US
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