نتایج جستجو برای: cetyl alcohol
تعداد نتایج: 117584 فیلتر نتایج به سال:
in this research, the magnetite nanoparticles (fe304) were prepared by coprecipitation of fe3+ andfe solution in alkaline medium. two kinds of surfactants, cetyl tri methyl ammonium bromide(ctab) and cetyl pyridinum chloride (cpc) were used in the synthesis. fe304 nanoparticles werecoated with human serum albumin (hsa) and bovine serum albumin (bsa). characteristics ofcoated magnetic nanopartic...
The use of surfactants to reduce the number of residual particles following chemical-mechanical planarization during integrated circuit manufacturing is relatively new. Recent results using cetyl pyridinium chloride and other cationic surfactant molecules show that surfactants are very effective in reducing the number density of residual polishing particles. The effectiveness of the surfactants...
APPLIED RESEARCH Completed studies Studies on sputum transported in cetyl pyridinium chloride for detection of M. tuberculosis Background Drug resistance surveys require transportation of sputum samples collected from pulmonary TB patients in cetyl pyridinium chloride (CPC) solution to the reference laboratory for bacteriological investigations. It was observed that smears from sputum transport...
the photocatalytic process using semiconductors with a nanostructure is one of the technologies usedfor the destructive oxidation of organic compounds such as surfactants. in this paper, thephotocatalytic degradation of cetyl pyridinium chloride (cpc), was investigated in aqueous phaseusing various semiconductors such as titanium dioxide (ti02), zinc oxide (zno), stannic oxide(sn02). the degrad...
PURPOSE This study evaluated the in vitro plaque inhibitory effect of triclosan-coated polyglactin 910 sutures in the absence and presence of an additional antiplaque agent commonly used after oral surgery. MATERIALS AND METHODS Triclosan-coated sutures were incubated for 4 hours in freshly collected human saliva and, when appropriate, subsequently treated with an antiplaque rinse containing ...
The miscibility of Langmuir monolayers of egg yolk lecithin (eggPC) with n-hexadecanoic acid (PA), 1-hexadecanol (HD), and their equimolar mixture (PA/HD) was investigated thermodynamically and morphologically. Surface pressure (π)-molecular area (A) and surface potential (ΔV)-A isotherms for the binary and ternary systems were measured, employing the Wilhelmy method and the ionizing (241)Am el...
A novel fluorescent system has been assembled by using ATP, surfactant, and a squaraine dye in an aqueous buffer solution. In the system, a cationic surfactant such as cetyl trimethyl ammonium bromide (CTAB) forms a sphere-like micelle, whose positive charge at the surface of the micelle attracts the negatively charged ATP to form a unique organized nanostructure. Such an organized system is sh...
succinate contained increasing amounts of wax as the specific growth rate decreased from 0.7h-I to 0.12h-I. The wax composition also varied with dilution rate, samples having a high wax content had palmitic acid and palmityl alcohol as major components. In continuous culture with succinate limitation and excess of nitrogen, the bacteria contained only small amounts of waxes, which increased sli...
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