نتایج جستجو برای: alkaline solutions
تعداد نتایج: 380245 فیلتر نتایج به سال:
Studies were conducted to examine the chemical preservation of whole broiler carcasses by using aqueous alkaline hydroxide solutions. Conversion of the preserved carcasses and solutions into an acceptable poultry byproduct meal was examined. Carcasses and alkaline solutions at a 1:1 ratio were blended and freeze-dried to produce a high fat whole poultry byproduct meal. The dry meal was analyzed...
Inhalation of airborne pollen causes irritative symptoms in humans, known as pollinosis. The changing global climate and increased pollution contribute to enhance the release of pollen, thereby increasing the number of people suffering from allergies. We examined the effect of spraying weak alkaline solutions onto cedar trees, the main allergenic culprit in Japan, on pollen release. Weak alkali...
The splitting of water into hydrogen and oxygen molecules using sunlight is an attractive method for solar energy storage. Until now, photoelectrochemical hydrogen evolution is mostly studied in acidic solutions, in which the hydrogen evolution is more facile than in alkaline solutions. Herein, we report photoelectrochemical hydrogen production in alkaline solutions, which are more favorable th...
The increased alkaline phosphatase (EC 3.1.3.1) activity of reconstituted lyophilized control sera has recently been the focus of considerable interest because of its possible implications for quality-control procedures. We confirm that these reconstituted materials show a temperature-dependent increase in alkaline phosphatase activity, but could show no alteration in activity of fresh sera. Th...
1. Inexpensive scintillation mixtures are described which enable the detection of as little as 40mumuc of (14)C in aqueous solution with an efficiency of counting of over 80%. 2. A rapid method for the counting of alkaline, acidic and neutral aqueous solutions of up to 1ml. volume is described. Ethanol or 2-ethoxyethanol is used as blending agent. 3. The scintillation counting of alkaline solut...
Phase inversion cellulose acetate propionate membranes showed low permeability to hydrogen peroxide aqueous solutions. Their permeability was increased by alkaline hydrolysis of the ester linking units. However, the permeability remained lower than that of an unsubstituted cellulose membrane. The inclusion of hydroxypropyl cellulose in the membrane formulation, followed by an alkaline hydrolysi...
Study of protoplasts, lysed protoplasts, and cells treated with lysozyme in the absence of osmotic stabilizer suggested that the alkaline phosphatase (EC 3.1.3.1.) of Bacillus subtilis is located in the protoplasmic membrane. Cytochemical evidence in support of this view is presented. The enzyme protein was strongly bound to the membrane structure and could not be solubilized by a number of tre...
Exploiting electrocatalysts with high activity for glucose oxidation is of central importance for practical applications such as glucose fuel cell. Pt-decorated nanoporous gold (NPG-Pt), created by depositing a thin layer of Pt on NPG surface, was proposed as an active electrode for glucose electrooxidation in neutral and alkaline solutions. The structure and surface properties of NPG-Pt were c...
That intravitam staining with basic dyes occurs more readily in alkaline than in acid solutions has long been known. Among the explanations which have been offered to account for this fact two deserve especial mention. The first is that originally proposed byOverton (1), accepted by Harvey (2), and supported in certain respects by the experiments of Robertson (3) (who, however, on other grounds...
That intravitam staining with basic dyes occurs more readily in alkaline than in acid solutions has long been known. Among the explanations which have been offered to account for this fact two deserve especial mention. The first is that originally proposed byOverton (1), accepted by Harvey (2), and supported in certain respects by the experiments of Robertson (3) (who, however, on other grounds...
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