Abstract：
:This work studied the effect of preparation conditions for electrospun fiber mats of Thai silk fibroin/type B gelatin (SF/GB) for controlled release applications. The increasing in applied voltage resulted in decreased average fiber size and narrow fiber size distribution. An increasing in silk fibroin content in blended solution resulted in larger size of the obtained electrospun fibers. Smooth fibers could be produced from SF/GB blended solution at weight blending ratios of 10/90, 20/80, 30/70, 40/60 and 50/50. The results on in vitro biodegradation test showed that SF/GB 10/90 electrospun fiber mat was rapidly degraded in collagenase solution due to direct biodegradation of gelatin by collagenase. From in vitro controlled release of two active agents (azo-casein and methylene blue) from SF/GB blended fiber mats, it was suggested that methylene blue could be adsorbed on the blended fiber mats, possibly due to attractive interaction of the positively charged molecules of methylene blue and negatively charged SF/GB fiber mats. In contrast, the same charge of blended fiber mats and azo-casein would result in the repulsive force, resulting in continuous diffusion of azo-casein from blended fiber mats within 72 h. The results indicated that SF/GB electrospun fiber mats had a high potential to be applied in controlled release applications.
journal_name
Int J Biol Macromoljournal_title
International journal of biological macromoleculesauthors
Okhawilai M,Rangkupan R,Kanokpanont S,Damrongsakkul Sdoi
10.1016/j.ijbiomac.2010.02.008subject
Has Abstractpub_date
2010-06-01 00:00:00pages
544-50issue
5eissn
0141-8130issn
1879-0003pii
S0141-8130(10)00058-9journal_volume
46pub_type
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journal_title：International journal of biological macromolecules
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journal_title：International journal of biological macromolecules
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journal_title：International journal of biological macromolecules
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journal_title：International journal of biological macromolecules
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journal_title：International journal of biological macromolecules
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journal_title：International journal of biological macromolecules
pub_type： 杂志文章
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journal_title：International journal of biological macromolecules
pub_type： 杂志文章
doi：10.1016/j.ijbiomac.2010.04.019
更新日期：2010-08-01 00:00:00
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journal_title：International journal of biological macromolecules
pub_type： 杂志文章
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journal_title：International journal of biological macromolecules
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abstract：:Alginate (ALG) is an abundant, biocompatible, regenerative, and nontoxic polysaccharide that has potential applications in tissue engineering. Silver sulfadiazine (SDZ) is a topical antibiotic used to control bacterial infection in burns. Aiming to combine the intrinsic alginate characteristics and silver sulfadiazine...
journal_title：International journal of biological macromolecules
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