Antimicrobial cellulose hydrogels preparation with RIF loading from bamboo parenchyma cells: A green approach towards wound healing.
International journal of biological macromolecules(2022)
摘要
Wound healing is a challenged and complicated process due to the bacterial infections and frequent replacement in healing process. Hydrogels with properties of visibility and biocompatibility provided convenient and effective treatment during the wound healing process. Bamboo parenchyma cells have a great potential utilized on cellulosic materials fabrication for their high specific surface area and accessibility of chemical reagents. Herein, we present a simple and facile manufacture of transparent wound dressing from bamboo parenchymal cellulose via dissolution in DMAc/LiCl system. Rifampicin (RIF) was loaded on the hydrogel through immersion method. The result exhibited that the maximum drug loading efficiency of cellulose hydrogels was 82.13%. Hydrogel loaded RIF (HLR) showed that the inhibition zones against Gram-negative and Gram-positive bacteria were 19.11 mm and 36.93 mm, respectively. It was observed that the wound was healed more than 60% at 11th day in murine wound models. Meanwhile, RIF provided an exceptionally antibacterial property to hydrogels and promoted proliferation of epidermis cells in wound. As a result of observations, HLR demonstrating potential application in visual wound dressing materials for their excellent transparency, antibacterial effect, wound healing, and biocompatibility.
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