Preparation, characterization and application of levan/montmorillonite biocomposite and levan/BSA nanoparticle.
作者： Wei Xu , Jiaying Peng , Dawei Ni , Wenli Zhang , Hao Wu
DOI: 10.1016/J.CARBPOL.2020.115921
关键词: Chemical engineering 、 Polysaccharide 、 Controlled release 、 Nanoparticle 、 Surface charge 、 Bovine serum albumin 、 Biocomposite 、 Montmorillonite 、 Rheology 、 Chemistry
摘要: Here, two kinds of polysaccharide-based biocomposites were investigated. The enzymatically synthesized levan from Erwinia amylovora was applied as the matrix, while montmorillonite clay and bovine serum albumin (BSA) used additive in biocomposite. To examine properties levan/MMT biocomposite, we choose different ratios between MMT to implement surface morphology observation, thermal property analysis, rheological behavior determination. As a result, biocomposite 2:1 blending ratio showed significant improvement both properties. Meanwhile, 0.1 % levan/BSA nanoparticle highest encapsulation capacity charge 53.13 ± 2.64 +3.92 ± 0.43 mV. Last but not least, exhibited slower controlled release BSA system. All these results indicated potential application levan-based nanoparticle.
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