نتایج جستجو برای: silver sulfate
تعداد نتایج: 103805 فیلتر نتایج به سال:
Sulfur dioxide (SO2), a typical gaseous compound found in the atmosphere, corrodes metals, particularly outdoors. When SO2 adsorbs on the surface electrolyte, it easily dissolves, resulting in the formation of protons (H+) and bisulfite ions (HSO3). The former reduces the pH of the surface electrolyte, which promotes metal dissolution. Silver and copper are commonly used in the electronic compo...
Escherichia coli porin OmpF and Pseudomonas aeruginosa porin protein P were eluted from sodium dodecyl sulfate-polyacrylamide gels. The resultant porin preparations were found to be devoid of detectable lipopolysaccharide (LPS) by sodium dodecyl sulfate-polyacrylamide gel electrophoresis and silver staining for LPS, direct enzyme-linked immunosorbent assays with LPS-specific monoclonal antibodi...
Coxiella burnetii isolates from a variety of clinical and geographical sources were screened for antigenic variation of lipopolysaccharides (LPSs) by sodium dodecyl sulfate-polyacrylamide gel electrophoresis coupled with silver staining or immunoblotting. All isolates from chronic Q fever or other sources possessed a phase I-type LPS. These LPSs appeared to fall into three groups based on the s...
Proteins absorbed directly onto nitrocellulose membranes were stained with amido black, ponceau S, colloidal silver, or Coomassie blue and solubilized in dimethyl sulfoxide and the absorbance was measured spectrophotometrically. The optimal wavelength of each dye/protein/nitrocellulose solution was found to be at 625, 529, 420, and 600 nm, respectively. A linear relationship was found between t...
We demonstrate control of the surface plasmon polariton wavevector in an active metal-dielectric plasmonic interferometer by utilizing electrooptic barium titanate as the dielectric layer. Arrays of subwavelength interferometers were fabricated from pairs of parallel slits milled in silver on barium titanate thin films. Plasmon-mediated transmission of incident light through the subwavelength s...
Dendranthema grandiflorum L. is one of the widely cultivated flowers around the world for producing of cut flowers. Nanometer-sized silver particles are used in various applications as an anti-microbial compound. This experiment was carried out to study the effects of silver nanoparticles (0, 5, 10 and 20 mg/L) and sodium silicate (0, 50, 100 and 150 mg/L) on longevity and quality of cut chrysa...
Sulfate-reducing bacteria (Desulfomicrobium baculatum) is a group of anaerobic capable producing H2S gas, which sours crude oil, corrodes metal equipment, pipeline systems, and even forms biofilms that cause blockages reservoir, reducing the reception capacity pumped water in oil gas exploitation. Currently, biocides are mainly aldehydes or cyclic amines combined with cationic active substances...
Oxidation of sulfide-containing ores is the main cause of Acid Mine Drainage (AMD), which is an environmental problem associated with both the abandoned and active mines. Iron-bearing sulfide minerals can be oxidized and form mine waters with high sulfate content, low pH, high electrical conductivity, high redox potential, and high concentrations of iron, aluminum, and other heavy metals. In th...
Chondroitin sulfate is known to be present in normal and leukemic myeloid cells; however. its definitive subcellular location and association with other glycosaminoglycans (GAGs) has not been demonstrated. We have studied the type and distribution of GAGs in neutrophil granule subpopulations of normal and leukemic myeloid cells using ultrastructural. cytochemical. immunologic. and biochemical m...
Chondroitin sulfate is known to be present in normal and leukemic myeloid cells; however. its definitive subcellular location and association with other glycosaminoglycans (GAGs) has not been demonstrated. We have studied the type and distribution of GAGs in neutrophil granule subpopulations of normal and leukemic myeloid cells using ultrastructural. cytochemical. immunologic. and biochemical m...
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