منابع مشابه
Compensation of temperature and concanavalin A concentratration effects for glucose determination by the viscometric affinity assay.
A viscometer suitable for rapid measurements in small volumes of highly viscous liquids is described. Using this device the viscometric affinity assay for glucose was studied under variable conditions in order to obtain basic information for the design of a viscometric glucose sensor. The viscosity of the dextran/Concanavalin A (ConA) solution is sensitive to glucose in a broad range of the she...
متن کاملQuantitative Bacterial Micro-Assay for Rapid Diagnosis of Galactosemia: Application in Galactosemia Neonatal Screening
In the present study a new economic and rapid bacterial micro-assay for simultaneous detection and quantitative measurement of serum galactose was developed. Analysis of the standard curve showed a linearity range for galactose from 2 mg/dL to 180 mg/dL with a regression equation of Y = 0.013X ? 0.083; R² = 0.962. The advantage of the method is its ability to measure serum galactose quantitativ...
متن کاملAlginase treatment of mucoid Pseudomonas aeruginosa enhances phagocytosis by human monocyte-derived macrophages.
Mucoid Pseudomonas aeruginosa colonizes and infects the respiratory tract of most older patients with cystic fibrosis. These bacteria resist both opsonin-dependent and -independent phagocytosis by human polymorphonuclear leukocytes and monocyte-derived macrophages. Resistance to phagocytosis is thought to be mediated in part by the mucoid exopolysaccharide associated with the bacterial surface....
متن کاملDielectrophoretic assay of bacterial resistance to antibiotics.
The dielectrophoretic collection spectra of antibiotic-sensitive and antibiotic-resistant strains of Staphylococcus epidermidis have been determined. These indicate that in the absence of antibiotic treatment there is a strong similarity between the dielectric properties of sensitive and resistant strains, and that there is a significant difference between the sensitive strains before and after...
متن کاملAutomatic quantitative radiometric assay of bacterial metabolism.
In a two-compartment scintillation vial, suspensions of bacteria were cultured with 1 muCi of [U-14C] glucose and the released 14C02 was measured continuously, cumulatively, and automatically in a liquid-scintillation counter modified to maintain sample temperature at 37 degrees C. We could follow the metabolism of bacterial populations through their early phase of exponential growth with good ...
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ژورنال
عنوان ژورنال: Applied and Environmental Microbiology
سال: 1976
ISSN: 0099-2240,1098-5336
DOI: 10.1128/aem.31.6.896-899.1976