نتایج جستجو برای: polyhydroxybutyrate
تعداد نتایج: 556 فیلتر نتایج به سال:
Plastic waste is increasing every year and the precise time needed for biodegradation is unknown. Environmental awareness has driven the development of new biodegradable materials, especially for single use plastic items. Polyhydroxybutyrate (PHB), biodegradable thermoplastic polyester is emerging out as a boon to overcome the problem of plastic waste accumulation. However, it has some drawback...
Molecular analysis of a genomic region of Bacillus megaterium, a polyhydroxybutyrate (PHB)-producing microorganism, revealed the presence of a gene coding for the enzyme phosphotransbutyrylase (Ptb). Enzyme activity was measured throughout the different growth phases of B. megaterium and was found to correlate with PHB accumulation during the late-exponential growth phase. Ptb expression was re...
Biodegradable polymers such as polyhydroxybutyrate (PHB) are part of the emerging portfolio of renewable materials, which are addressing the issue of plastic waste. Syngas, as a cheap, renewable and sustainable resource that can be obtained from biomass or waste, is viewed as an excellent feedstock for different bioprocesses, including syngas to PHB bioconversion. However, due to the hazardous ...
Application of Polyethylene Glycol to Promote Cellular Biocompatibility of Polyhydroxybutyrate Films
The bottleneck of hemicellulose as a bio-based material is its processability and property drawbacks (softening hydrophilicity). Thus, mixing other biopolymers can be an alternative. This article proposes blending (10−50 wt%) with polyhydroxybutyrate (PHB) poly (lactic acid) (PLA), using acetic acid chloroform casting solvents to improve thermal properties. materials were thermally (TGA - therm...
Hepatitis C virus (HCV) infection is a major worldwide problem. Chronic hepatitis C is recognized as one of the major causes of cirrhosis, hepatocellular carcinoma, and liver failure. Although new, directly acting antiviral therapies are suggested to overcome the low efficacy and adverse effects observed for the current standard of treatment, an effective vaccine would be the only way to certai...
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