نتایج جستجو برای: micro dilution
تعداد نتایج: 139915 فیلتر نتایج به سال:
When antibiotic sensitivity of microorganisms is tested by agar dilution, single antibiotics are incorporated in solid media and 'spot' inocula of test strains are applied to the antibiotic media and to a plate without antibiotic. The usual method of quality control is to include control strains of known sensitivity.1 However, control strains are usually sensitive to a number of antibiotics, an...
The clinical estimation of liver size using radioisotope scintiscans as a standard of reference has been shown to be very inaccurate. The main source of error is in the location of the upper border of the liver. Physical characteristics of the patients influence this measurement.
Trapezoidal cross-sectional spiral microfluidic channels showed high resolution and throughput in cell separation bio-applications. The main challenges are the complexity cost of fabrication process trapezoidal on micro-scale. In this work, we present application grayscale channel design to overcome process. We also use direct engraving with a CO2 laser beam polymethyl methacrylate (PMMA) mater...
The contamination of ores with wastes or materials of lower than the cut-off grade is referred to as dilution. Dilution is an undesirable phenomenon that, on one hand, reduces the product grade and, consequently, reduces the sales prices and, on the other hand, adds an extra cost to waste production. Therefore, studying and evaluating the dilution risk is important in mining, and especially in ...
Prinzmetal et a!, used 24Na for this purpose (1), while others used al bumin 1311 (2). With more extensive experience, procedures improved over the years until, in 1958, Pritchard et al (3) reported an effective method for the external precordial detection and determination of cardiac output with albumin †̃@†̃I. During this time, a good correlation with dye dilution technique by means of arte...
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