Incorporations of gold,silver and carbon nanomaterials to kombucha-derived bacterial cellulose: Development of antibacterial leather-like materials |
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| Authors: | Vijaya Gowri Ayyappan Shashikant Shivaji Vhatkar Somashree Bose Srinivasan Sampath Sujoy K. Das Debasis Samanta Asit Baran Mandal |
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| Affiliation: | 1. Polymer Science & Technology Division, CSIR-Central Leather Research Institute, Adyar, Chennai, 600020, India;2. Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India;3. Infectious Diseases and Immunology Division, CSIR-Indian Institute of Chemical Biology, Jadavpur, Kolkata, 700 032, India;4. Central University of Tamil Nadu, Department of Materials Sciences, School of Technology, Thiruvarur, 610101, India;5. CSIR-Central Glass & Ceramic Research Institute, Jadavpur, Kolkata, 700 032, W.B, India |
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| Abstract: | Bacterial cellulose (BC), derived from kombucha scoby have extraordinary organoleptic properties suitable for development of leather-like materials. An improvement in physical and mechanical property is desirable for the practical applications. This work deals with the treatment of BC by incorporations of three different nanomaterials such as gold nanoparticles (AuNP), silver nanoparticles (AgNP) and graphene oxide (GO). Achieving combined benefits via synergic interactions of different nanomaterials is the major objective herein. While graphene oxide can influence some of the parameters related to mechanical properties, silver nanomaterials can offer antibacterial characteristics. Gold nano materials can bridge the BC/silver/graphene oxide as well as provide the desirable aesthetic colour. Different physical chemical and mechanical characteristics were studied in detail. For example, changes in morphology by imaging fiber network were studied using scanning electron microscopy. Fibre properties were studied by Small Angle X-Ray Scattering (SAXS) and X-Ray Diffraction (XRD). Elemental composition was studied by X-ray photoelectron spectroscopy (XPS) analysis and Raman analysis. The improvement of hydrophobicity was studied by Contact angle meter. Thermal analysis was performed using thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC). A Picture was provided in ESI to show the modified material's leather-like appearances. |
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| Keywords: | Bacterial cellulose Antibacterial Nanomaterials Hydrophobicity Leather-like material BC" },{" #name" :" keyword" ," $" :{" id" :" kwrd0040" }," $$" :[{" #name" :" text" ," _" :" Bacterial Cellulose BCC" },{" #name" :" keyword" ," $" :{" id" :" kwrd0050" }," $$" :[{" #name" :" text" ," _" :" Bacterial Cellulose Composite AgNP" },{" #name" :" keyword" ," $" :{" id" :" kwrd0060" }," $$" :[{" #name" :" text" ," _" :" Silver Nano Particles AuNP" },{" #name" :" keyword" ," $" :{" id" :" kwrd0070" }," $$" :[{" #name" :" text" ," _" :" Gold Nano Particles GO" },{" #name" :" keyword" ," $" :{" id" :" kwrd0080" }," $$" :[{" #name" :" text" ," _" :" Graphene Oxide SAXS" },{" #name" :" keyword" ," $" :{" id" :" kwrd0090" }," $$" :[{" #name" :" text" ," _" :" Small Angle X-ray Scattering FE SEM" },{" #name" :" keyword" ," $" :{" id" :" kwrd0100" }," $$" :[{" #name" :" text" ," _" :" Field Emission scanning electron microscopy TGA" },{" #name" :" keyword" ," $" :{" id" :" kwrd0110" }," $$" :[{" #name" :" text" ," _" :" Thermo gravimetric analysis DSC" },{" #name" :" keyword" ," $" :{" id" :" kwrd0120" }," $$" :[{" #name" :" text" ," _" :" Differential scanning calorimetry FTIR" },{" #name" :" keyword" ," $" :{" id" :" kwrd0130" }," $$" :[{" #name" :" text" ," _" :" Fourier-transform infrared spectroscopy ATIR" },{" #name" :" keyword" ," $" :{" id" :" kwrd0140" }," $$" :[{" #name" :" text" ," _" :" Attenuated total reflection infrared spectroscopy XRD" },{" #name" :" keyword" ," $" :{" id" :" kwrd0150" }," $$" :[{" #name" :" text" ," _" :" X-Ray Diffraction XPS" },{" #name" :" keyword" ," $" :{" id" :" kwrd0160" }," $$" :[{" #name" :" text" ," _" :" X-ray photoelectron spectroscopy ASTM" },{" #name" :" keyword" ," $" :{" id" :" kwrd0170" }," $$" :[{" #name" :" text" ," _" :" code American Society for Testing and Materials code |
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