Abstract:
:In this study, silk sericin loaded alginate nanoparticles were prepared by the emulsification method followed by internal crosslinking. The effects of various silk sericin loading concentration on particle size, shape, thermal properties, and release characteristics were investigated. The initial silk sericin loadings of 20, 40, and 80% w/w to polymer were incorporated into these alginate nanoparticles. SEM images showed a spherical shape and small particles of about 71.30-89.50 nm. TGA analysis showed that thermal stability slightly increased with increasing silk sericin loadings. FTIR analysis suggested interactions between alginate and silk sericin in the nanoparticles. The release study was performed in acetate buffer at normal skin conditions (pH 5.5; 32 °C). The release profiles of silk sericin exhibited initial rapid release, consequently with sustained release. These silk sericin loaded alginate nanoparticles were further incorporated into topical hydrogel and their anti-inflammatory properties were studied using carrageenan-induced paw edema assay. The current study confirms the hypothesis that the application of silk sericin loaded alginate nanoparticle gel can inhibit inflammation induced by carrageenan.
journal_name
Int J Biol Macromoljournal_title
International journal of biological macromoleculesauthors
Khampieng T,Aramwit P,Supaphol Pdoi
10.1016/j.ijbiomac.2015.07.018subject
Has Abstractpub_date
2015-09-01 00:00:00pages
636-43eissn
0141-8130issn
1879-0003pii
S0141-8130(15)00479-1journal_volume
80pub_type
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journal_title:International journal of biological macromolecules
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