منابع مشابه
Polyvinyl alcohol particle superficial morphology.
We appreciated the research by Derdeyn et al (1) from the Mallinckrodt Institute of Radiology concerning the size and suspension characteristics of polyvinyl alcohol (PVA) particles. We do agree that both size and suspension characteristics of PVA represent relevant parameters affecting the aggregation of particles during injection. In addition to these two variables, we considered further para...
متن کاملStudies on the use of recombinant spider silk protein/polyvinyl alcohol electrospinning membrane as wound dressing
A series of wound membranes of polyvinyl alcohol and recombinant spider silk protein (pNSR16) was prepared by electrospinning. The membrane was analyzed by scanning electron microscopy, atomic force microscopy, and Fourier transform infrared spectroscopy. The result showed that the three factors that affected average fiber diameter from high to low were, voltage, flow speed, and solidification ...
متن کاملOPH oxidized polyvinyl alcohol hydrolase PCL polylcaprolactone PHA polyhydroxyalkanoate PHB polyhydroxybutyrate PLA polylactic acid PQQ pyrroloquinoline quinone PUR polyurethane PVA polyvinyl alcohol PVADH polyvinyl alcohol dehydrogenase
Widespread studies on the biodegradation of plastics have been carried out in order to overcome the environmental problems associated with synthetic plastic waste. Recent work has included studies of the distribution of synthetic polymerdegrading microorganisms in the environment, the isolation of new microorganisms for biodegradation, the discovery of new degradation enzymes, and the cloning o...
متن کاملEvaluation of vascular grafts based on polyvinyl alcohol cryogels.
The present study designed and developed blood vessel substitutes (BVSs) composed of polyvinyl alcohol (PVA) cryogels. The in vitro results demonstrated that the coating of the polymer with lyophilized decellularized vascular matrix (DVM) greatly enhanced the adhesion of human umbilical vein endothelial cells (HUVECs). However, when PVA̸DVM BVSs were implanted into the abdominal aorta of Sprague...
متن کاملThe Polyvinyl Alcohol Sponge Model Implantation
Wound healing is a complicated, multistep process involving many cell types, growth factors and compounds(1-3). Because of this complexity, wound healing studies are most comprehensive when carried out in vivo. There are many in vivo models available to study acute wound healing, including incisional, excisional, dead space, and burns. Dead space models are artificial, porous implants which are...
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ژورنال
عنوان ژورنال: Kobunshi Kagaku
سال: 1962
ISSN: 1884-8079,0023-2556
DOI: 10.1295/koron1944.19.120