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(rayon purified)
243 results
  • [Industrial and Medical Material Applications of a Mega-polysaccharide Derived from Cyanobacteria]. [Review]
    Yakugaku Zasshi 2019; 139(3):363-369Okajima M, Kaneko T
  • Polysaccharides (PS) are one form of biomass occurring in great abundance on earth and are promising organic material alternatives to petroleum-based ones. We have focused on PS produced by cyanobacteria. Aphanothece sacrum, which is a freshwater unicellular cyanobacterium, produces large amounts PS as a main component of the extracellular matrix. We successfully extracted the PS sacran from A. s…
  • Microbial production of high value molecules using rayon waste material as carbon-source. [Journal Article]
    N Biotechnol 2019; 51:8-13Vecchiato S, Skopek L, … Guebitz GM
  • Rayon filaments composed of regenerated cellulose are used as reinforcement materials in tires and to a lower extent in the clothing industry as personal protective equipment e.g. flame retardant cellulosic based materials. After use, these materials are currently transferred to landfills while chemical degradation does not allow the recovery of the cellulose (as glucose) nor the separation of th…
  • Novel Biobased Textile Fiber from Colombian Agro-Industrial Waste Fiber. [Journal Article]
    Molecules 2018; 23(10)Amaya Vergara MC, Cortés Gómez MP, … Zuluaga Gallego R
  • Fique fibers, native to Colombia, are traditionally used for ropes and bags. In the extraction of long fibers for these purposes, the same amount of short fibers is generated; the short fibers are then discarded in the soil or in landfills. This agro-industrial waste is cellulose-rich and can be potentially developed into new biobased products. As an alternative use for these fibers, viscose rege…
  • Time-of-flight secondary ion mass spectrometry analysis of chitosan-treated viscose fibres. [Journal Article]
    Anal Biochem 2018; 557:131-141Finšgar M, Ristić T, … Zemljič LF
  • Time-of-flight secondary ion mass spectrometry (ToF-SIMS) was employed to analyse cellulose viscose fibres treated with different chitosan-based solutions. The analysis reports several new features in the TOF-SIMS spectra for systems with various forms of chitosan-treated surfaces. The characteristic positive ion TOF-SIMS signals for chitosan are reported at m/z 147.90, 207.07, and 221.09, and ch…
  • First evidence of microplastic ingestion by fishes from the Amazon River estuary. [Journal Article]
    Mar Pollut Bull 2018; 133:814-821Pegado TSES, Schmid K, … Giarrizzo T
  • This study investigated occurrence of microplastic particles in digestive tracts of fishes from the Amazon River estuary. A total of 189 fish specimens representing 46 species from 22 families was sampled from bycatch of the shrimp fishery. Microplastic particles removed from fish gastrointestinal tracts were identified using Attenuated Total Reflectance - Fourier Transform Infrared (ATR-FTIR). I…
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