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Chitosan nanofibers and nanoparticles for immobilization of microbial collagenase

Nanovlákna a nanočástice z chitosanu pro imobilizaci mikrobiální kolagenázy
Authors: Slováková, Marcela; Kratochvilová, Veronika; Palarčík, Jiří; Metelka, Radovan; Dvořáková, Petra; Srbová, Jana; Munzarová, Marcela; +1 Authors

Chitosan nanofibers and nanoparticles for immobilization of microbial collagenase

Abstract

The purpose of the paper is to describe the production and characterization of electrospun chitosan nanofibers and chitosan/TPP nanoparticles as carriers for microbial collagenase. Thie eproteolytic highly active and stable carriers have potential of advanced bioactive wound dressings. The morphology and the microstructure of nanofibers and nanoparticles were examined using a scanning electron microscopy and dynamic light scattering. Low molecular weight chitosan/TPP nanoparticles prepared ratio 2:1 showed size range 130 – 142 nm. Specific collagenase activity 0.545 x 10-3 U/ mg for chitosan nanofibers and 0.684 x 10-3 U/mg of nanoparticles was quantified using the hydrolysis of a peptidic substrate (Pz-peptide) and is expressed per mass of chitosan biomaterial. Storage stability and reusability collagenase chitosan nanofibers and collagenase chitosan nanoparticles did not fall under 73% of original activity.

Country
Czech Republic
Related Organizations
Keywords

collagenase, nanovlákna, nanofibers, kolagenáza, nanoparticles, chitosan, nanočástice

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green