Journal
FRONTIERS IN BIOENGINEERING AND BIOTECHNOLOGY
Volume 9, Issue -, Pages -Publisher
FRONTIERS MEDIA SA
DOI: 10.3389/fbioe.2021.601988
Keywords
composites; mechanical properties; adsorption; Aloe vera; bacterial cellulose; biocompatibility
Funding
- The Research Council (TRC) Oman through Block Research Funding Program [BFP/RGP/EBR/20/261]
- China Postdoctoral Science Foundation [2016M602291]
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In this study, a high tensile strength BC-Aloe vera gel composite was developed and characterized for potential applications in environmental and medical fields. The composite showed improved mechanical strength, water retention capabilities, metal adsorption properties, and support for cell adhesion and proliferation. These findings suggest that the developed BCA composite could have versatile applications in different fields.
The innate structural and functional properties of bacterial cellulose (BC) have been greatly improved by developing its composites with other materials for its applications in different fields. In the present study, BC-Aloe vera (BCA) gel composite with high tensile strength was ex situ developed and characterized for its potential applications in environmental and medical fields. FE-SEM micrographs showed the impregnation of Aloe vera gel into the fibril network of BC. The dry weight analysis showed the addition of 40 wt.% Aloe vera contents into the BC matrix. The addition of Aloe vera resulted in a 3-fold increase in the mechanical strength of BCA composite. The critical strain or stress concentration points were accurately identified in the composite using a three-dimensional digital image correlation (3D-DIC) system. The BCA composite retained water for an extended period of up to 70 h. The BCA composite effectively adsorbed Cu, Co, Fe, and Zn metals. Moreover, the BCA composite supported the adhesion and proliferation of MC3T3-E1 cells. The findings of this study suggest that the developed BCA composite could find multipurpose applications in different fields.
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