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Generating Antibacterial Microporous Structures Using Microfluidic Processing
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DOI：10.1021/acsomega.8b02573.png)
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Abstract
En 中文
The aim of this study is to investigate the potential of microfluidic techniques to generate microporous structures, with potential utility as scaffolds, with a highly uniform architecture, possessing an antibacterial activity. Scaffolds were prepared by introducing N-2 gas to gelatin (GE)-water or gelatin/hyaluronic acid (GE/HA)-water mixtures to form microbubbles at the interface. The effect of solution temperature on microbubble stability and their structural integrity were studied. A solution temperature of 40 degrees C produced the best results due to the higher solution viscosity. The effect of different cross-linking concentrations on scaffold swelling ratio was investigated. A concentration of 5% glutaraldehyde was found to be optimal and was chosen to cross-link structure and conduct subsequent degradation and antibacterial experiments. HA was incorporated into the scaffolds owing to its ability to make stable and highly absorbent scaffolds. This led to a decrease in the degradation rate and the introduction of an antibacterial effect. This effect could be further enhanced with the inclusion of lactoferrin. This work is the first reported attempt for making antibacterial GE/HA scaffolds by using microfluidics.
Keywords:
HYALURONIC-ACID
STAPHYLOCOCCUS-AUREUS
CROSS-LINKING
METHICILLIN-RESISTANT
GELATIN SCAFFOLDS
LACTOFERRIN
MICROBUBBLES
DEGRADATION
FABRICATION
FILMS
Journal
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4.3
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3.4W
Citations:
9.9W
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