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The bacterium Streptomyces davaonensis synthesizes the antibiotic roseoflavin in the stationary phase of growth. The starting point for roseoflavin biosynthesis is riboflavin (vitamin B2) and four enzymes (RibCF, RosB, RosA and RosC) are necessary to convert a vitamin (riboflavin) into a potent, broad‐spectrum antibiotic (roseoflavin). In S. davaonensis, seven enzymatic functions are required to synthesize...
Metal nanoparticles are considered intriguing to academic society, due to a wide spectrum of applications in electronics, biomedical engineering, optics, and medicine. In this study, effective methods of decorating cellulose nanofibers (CNFs), deacetylated from cellulose acetate nanofibers, with silver nanoparticles (AgNPs) via ultraviolet radiation and copper nanoparticles (CuNPs) via chemical reduction...
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