نتایج جستجو برای: acid blue 292
تعداد نتایج: 816188 فیلتر نتایج به سال:
A unicellular blue-green alga, Agmenellum quadruplicatum, and a filamentous blue-green alga, Lyngbya lagerheimíi, were grown heterotrophically in dim light with glucose as major source of carbon and possibly energy. The dim-light conditions did not support autotrophic growth. The two blue-green algae appeared to have the same metabolic block, namely an incomplete tricarboxylic acid cycle, as ha...
In the subapical third internode of 7-day-old etiolated pea seedlings, the magnitude of phototropic curvature in response to continuous unilateral blue illumination is increased when seedlings are pre-exposed to brief red light. The effect of red light on blue light-induced phototropism becomes manifest maximally 4 or more hours after red illumination, and closely parallels the promotive action...
The complete amino acid sequence of hen ovalbumin, comprising 385 residues, has been determined. The sequence was deduced from the 17 cyanogen bromide fragments and from peptides derived by digestion with a number of proteolytic enzymes. The molecular weight of the polypeptide chain of ovalbumin is 42699. Ovalbumin has four sites of postsynthetic modification; in addition to the acetylated N te...
The present paper describes a simple, sensitive technique for measurement of respiratory mucous glycoproteins that involves their precipitation with the cationic dye Alcian Blue. The assay was adapted from that described by Whiteman (1973) for measurement of urinary glycosaminoglycans. This method is useful for measurement of mucins secreted in response to stimulating agents in isolated airway ...
The development of effective sorbents based on cheap natural raw materials for water purification from synthetic organic dyes is an important environmental problem. It known that layered silicates are distinguished by mechanical strength, thermal and chemical resistance, high dispersion, ion exchange, availability low cost. However, the main disadvantage clays their insufficiently sorption capa...
micro-leakage, one of the major reasons for recurrent decays, may lead to uncontrollable flow of liquids, pulp inflammation and peri-apical pathology. the purpose of this in vitro study was to evaluate micro-leakage of pit and fissure sealants after using three different pit and fissure preparation techniques: 1) acid etching, 2) fissure enameloplasty and acid etching, and 3) air abrasion and a...
BACKGROUND/AIMS The direct implication of low-density lipoprotein receptor (LDLR) in hepatitis C virus (HCV) infection of human hepatocyte has not been demonstrated. Normal primary human hepatocytes infected by serum HCV were used to document this point. METHODS Expression and activity of LDLR were assessed by RT-PCR and LDL entry, in the absence or presence of squalestatin or 25-hydroxychole...
A comparative study of the ligand-binding properties of human serum albumin was performed by the technique of affinity chromatography with the protein attached to immobilized Cibacron Blue F3GA (Blue Sepharose), or covalently immobilized on Sepharose. The binding strength of octanoate, decanoate and dodecanoate is much weaker when human serum albumin is attached to immobilized Cibacron Blue, in...
Blue light-induced oxygen uptake of the colorless mutant of Chlorella kessleri (No. 9.80) was 30-40% higher in the presence of exogenous glycine than in its absence. None of the other amino acids tested had this effect. Moreover, mutant cells in which glutamine synthetase was inhibited by methionine sulphoximine, accumulated approximately 65% more ammonium ions under blue irradiation in the pre...
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