نتایج جستجو برای: quantitative measurement
تعداد نتایج: 735687 فیلتر نتایج به سال:
all analytical methods are generally based on the measurement of a parameter or parameters which are somehow related to the concentration of the species.an ideal analytical method is one in which the concentration of a species can be measured to a high degree precision and accuracy and with a high sensitivity. unfortunately finding such a method is very difficult or sometimes even impossible.in...
In recent years with the availability of more accurate methods, attention has been directed towards the quantitative aspects of both erythropoiesis and leukopoiesis. It has been difficult to measure the precursor cells in the marrow, and their exact number still remains in question. Previous estimates of total marrow cells have utilized three general methods of approach: a) direct measurements ...
Abstract Background and Objective: Prevention of medical laboratory errors is a major goal of quality control programs. Hemolyzed specimen is one of the common issues causing medical laboratory errors. Apart from the visual assessment, the measurement of serum hemoglobin concentration can be another method to evaluate the intensity of hemolysis. We aimed to assess hemolyzed serum s...
It has long been presumed impossible to measure telomeres in vertebrate DNA by PCR amplification with oligonucleotide primers designed to hybridize to the TTAGGG and CCCTAA repeats, because only primer dimer-derived products are expected. Here we present a primer pair that eliminates this problem, allowing simple and rapid measurement of telomeres in a closed tube, fluorescence-based assay. Thi...
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