Polyvinyl alcohol/agar/maltodextrin composite membranes at different ratios are investigated for the removal of antibiotic ciprofloxacin from water. The factors affecting adsorption capacity as-synthesized include time, pH, temperature, concentration, and dosage film. PAM244 PAM433 subjected to optimization using response surface methodology model employing Box–Behnken experimental design model...

the purpose of this study was to investigate the effect of additives, poly(ethylene glycol) (peg) 1450, poloxamer 407, polyvinyl alcohol (pva) and sodium chloride in order to improve physico-chemical characteristics, encapsulation efficiency and in vitro release of bovine serum albumin, form poly(d,l-lactic-co-glycolic acid) (plga) microparticles prepared by the w/o/w solvent evaporation method...

Abstract Hydrogels have similar structural and functional properties to natural articular cartilage, so they been widely used in the research of biomimetic cartilage. In this research, polyvinyl alcohol (PVA) betaine monomer were as raw materials prepare hydrogel on polyetheretherketone (PEEK) surface by Uv light molding casting respectively. The results showed that two methods film PEEK succes...

Water soluble homo-base polynucleotide analogues were synthesized in which polyvinyl alcohol and partially phosphonated polyvinyl alcohol constituted the backbones,onto which were grafted uracil or adenine via 1,3-dioxane spacers formed by acetal formation with the 1,3-diol moieties in PVA. The resulting adenine-PVA polynucleotide analogs exhibited hyperchromic effects, which was not the case f...

Angiomyolipomas (AMLs) are hamartomatous lesions consisting of abnormal blood vessels, smooth muscle, and adipose tissue. Bilateral AMLs invariably point to a diagnosis of tuberous sclerosis complex (TSC). The risk of hemorrhage in AML is related to tumor size, growth of the tumor, hypervascularization, presence of aneurysms, and association with TSC. We report a case of a young male who presen...

The Gd2O2S:Tb based phosphor coupled with photodetectors has been widely used in digital x-ray imaging applications. The key issues associated with phosphor film are x-ray absorption and conversion efficiency, spatial resolution, deposition uniformity, and integration with the imaging array. In this article we report on experimental studies of the phosphor film synthesis, deposition, and charac...

Blend film of polyvinyl alcohol (PVA) based gelatin was prepared by mixing aqueous solutions of both samples. The mixed aqueous solutions of both samples in different ratios (P1, P2, P3, P4 and P5) were then cast onto silicon paper covered glass plate to form film. These films were then irradiated under gamma radiation (60Co) with different intensities (total dose) like 50, 100, 150, 250 and 50...

There is an urgent need for a simple and effective method to manufacture flexible sensors composed of liquid metal. Gallium (Ga) metal has become ideal conductive material due its high conductivity, low melting point, flow characteristics. In this paper, Ga directly written on the polyvinyl alcohol (PVA) film through driving mode piston extrusion; then, wire transferred sealed with silica gel. ...

In order to eliminate the disadvantage of neat polyvinyl alcohol (PVA) on cementitious composites , PVA hybrid fibers containing graphene oxide and dispersed silver nanoparticles were prepared its effect properties was investigated with help principal component analysis. Test results show that an increment ratio obtained in fracture toughness electrical resistivity 47.25% 88.13% fiber reinforce...