نتایج جستجو برای: surface hydrophobicity
تعداد نتایج: 639446 فیلتر نتایج به سال:
The equilibrium binding of the apolar fluorescent dye 1-anilinonaphthalene-8-sulphonate (ANS) to bacteriorhodopsin, BSA, chicken egg lysozyme, ovalbumin, porcine somatotrophin (PST) and bovine pancreatic ribonuclease (RNAase) was quantitatively evaluated using Scatchard- and Klotz-plot analyses. On the basis of the average association constant for ANS binding sites (Ka), the proteins could be r...
Adhesion of Cryptosporidium parvum and Giardia lamblia to four materials of different surface charge and hydrophobicity was investigated. Glass beads were used with and without three polymer coatings: aminosilines (A0750), fluorosilines (T2494), an amino cationic polymer. Surface charge density and hydrophobicity of the beads were characterized by measuring the zeta potential (ZP) and the conta...
Remarkable surface wettability transition occurs with an inducement of ultraviolet (UV) for aligned ZnO nanorod films. The inorganic oxide films, which show super-hydrophobicity (left), become super-hydrophilic (right) when exposed to UV illumination. After the films are placed in the dark, the wettability evolves back to super-hydrophobicity. This reversible effect is ascribed to the cooperati...
We prepared two types of cholesterol hydrophobically modified pullulan nanoparticles (CHP) and carboxyethyl hydrophobically modified pullulan nanoparticles (CHCP) substituted with various degrees of cholesterol, including 3.11, 6.03, 6.91 and 3.46 per polymer, and named CHP-3.11, CHP-6.03, CHP-6.91 and CHCP-3.46. Dynamic laser light scattering (DLS) showed that the pullulan nanoparticles were 8...
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