Friction and wear behaviour of bacterial cellulose against articular cartilage

Abstract

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A multipurpose natural and renewable polymer in medical applications: Bacterial cellulose

“…Another study conducted by Lopes et al (2011) investigated the friction and wear behaviors of BC pellicles against bovine articular cartilage. Due to the wear mechanism involving high plastic deformation, BC biomaterials possess low friction coefficient values (about 0.05) and preservation of the mating surfaces.…”

Using in situ nanocellulose‐coating technology based on dynamic bacterial cultures for upgrading conventional biomedical materials and reinforcing nanocellulose hydrogels

“…However, CG is still important on the biomedical market and is used in large quantities all over the world . The innate properties of BNC make it qualified to meet the requirements for wound healing with regard to maintenance of moisture, exchange of gas and ions, serving as a barrier to bacterial invasion, providing high porosity for drug loading, high elasticity, and good biocompatibility, and the BNC itself has already been commercially used as a desired dressing in clinical treatments . BNC coat obtained in the dynamic culture possesses fairly similar nano‐fibrillar microstructure, which means BNC coat also has similar structural properties as the BNC pellicle in stationary culture, such as high porosity and barrier to bacteria.…”

“…A BNC hydrogel membrane would be particularly well suited for treating the burns or chronic ulcers . A lyophilized BNC sponge would be useful for treatment of acute traumas, and as absorbent pads for wounds with large quantity of exudates . Compared to pristine BNC sheets, fabric‐embedded BNC composites are more durable and ripstop during surgical operation, and are more reliable alternatives for pristine BNC‐based medical applications.…”

“…33 A lyophilized BNC sponge would be useful for treatment of acute traumas, 34 and as absorbent pads for wounds with large quantity of exudates. 5 Compared to pristine BNC sheets, fabric-embedded BNC composites are more durable and ripstop during surgical operation, and are more reliable alternatives for pristine BNC-based medical applications. Thus, both the hydrogel and the sponge form of BNC-CGs are expected to have fundamental clinical value.…”

Hydrothermal synthesis of bacterial cellulose–copper oxide nanocomposites and evaluation of their antimicrobial activity

“…Furthermore, the BC is a biodegradable, biocompatible, non-toxic and non-allergenic polymer (Barud et al, 2013;Barud et al, 2016;Czaja et al, 2004;Czaja, Krystynowicz, Bielecki, & Brown, 2006;Domini et al, 2010;Kiziltas, Kiziltas, Blumentritt & Gardner, 2015;Iguchi et al, 2000;Jipa et al, 2012;Lin & Dufresne, 2014;Lin et al, 2013;Pineda, Mesa & Riasco, 2012;Nishiyama, 2009;Tsouko et al, 2015;Wang et al, 2011;Wang, Lu & Zhang, 2016;Yang, Xiaoli, Liyong, & Dongping, 2013). BC has been intensively studied in cosmetics, textile, food, paper and medical fields (surgical implants, scaffolds, cartilage and meniscus implants, cardiovascular implants, treatment of chronic wounds, stents coating and bone regeneration material) (Andrade, Costa, Domingues, Soares & Gama, 2010;Bodin et al, 2010;Cavka et al, 2013;Domini et al, 2010;Gao et al, 2011;Keshk, 2014;Kowalska-Ludwicka et al, 2013;Lopes et al, 2011;Lin et al, 2013Martínez, Brackmann, Enejder & Gatenholm, 2012Svensson et al, 2005;Woehl et al, 2010;Wei, Yanga & Honga, 2011;Yang, Xie, Hong, Cao, & Yang, 2012;Yang, Chen, & Wang, 2014). For instance, it has been used in technological applications such as audio devices, fuel cell membranes, electronic paper, transparent optical nanocomposites, drug-releasing systems, vascular grafts, and supports for in vitro and in vivo tissue engineering (Czaja et al, 2006;Trovatti et al, 2012;…”