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https://www.selleckchem.com/products/relacorilant.html Introducing functional metal nanoparticles (NPs) into flexible substrate is being increasingly attempted to expand their application. Here, we extend the synthesis of cellulose to its unmodified dope achieving freestanding nanocomposite decorated with bimetallic Ag-Au NPs through the one pot reaction. In the procedure, cellulose chain not only acts as a reducing agent but also a biocompatible support for NPs with a mean size of 7.9-9.7 nm. Meanwhile, changing the addition order of Ag+ and AuCl4- generated different atom arrangement in the bimetallic NPs. Moreover, the correlation of bioactivity to NP atom arrangement was studied. The result revealed that the nanocomposite containing NPs with an ultrathin Ag-rich outermost shell around an Au-rich core showed better bactericidal ability while lower cytotoxicity. In addition, the nanocomposite exhibited a sensitive SERS property for determination of R6G with a high enhancement factor of 108.Tissue engineering using adipose derived stem cells (ASCs) has become one of the most promising treatments for defective articular cartilage owing to the stability and dynamic differentiation of ASCs. In this study, we fabricated a 3D hybrid scaffold using poly(ε-caprolactone) (PCL) to support the mechanical properties of the regenerating auricle cartilage, and injected a cell-laden alginate hydrogel, containing a mixture of ASCs and chondrocytes, into the PCL scaffold. Using the cell-laden 3D auricle structure, the in vitro chondrogenesis of the ASCs with and without the presence of chondrocytes was examined. Additionally, the feasibility of utilizing the 3D cell-laden auricle structure for cartilage tissue engineering was evaluated in a rat model. In our in vitro and in vivo experiments, we observed that as the ASCs were co-cultured with the chondrocytes, chondrogenic differentiation was encouraged, and the regeneration of cartilage was significantly increased.Cellulose filame

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