Exact(6)
Tissue of a tomato was homogenized using the protocol described in a previous study to serve as a sample for quantitative analysis.
In order to select the best negative control sample for quantitative analysis, cells harvested at the end of the cell growth phase were compared to mock-infected cells.
The final sample for quantitative data analysis included 843 pregnant women (99.5% response rate), and no women refused to participate in the study.
This variation is small enough to allow us to use one sample to calculate kinetoplast and nucleus reference values, and then apply these values to perform color deconvolution on images from a second sample for quantitative comparison.
More than half of respondents did not perform a Gram stain on the respiratory sample and one out of four did not request a sample for quantitative culture in the diagnosis of ventilator-associated tracheobronchitis.
Perylene (see Electronic Supplementary Material (ESM) Table S1) was used as a volumetric internal standard for the recovery experiments on SPE, and Cor-D12 was added as a volumetric internal standard to the second extracts from each sample for quantitative analyses of the PLE extracts.
Similar(53)
Sampling for qualitative methods differs from sampling for quantitative methods.
The animals were euthanized 72 hours after bacterial inoculation and pulmonary lobes were sampled for quantitative microbiology studies.
One set of chick brains was perfused for immunohistochemistry while a second was sampled for quantitative RT-PCR.
For qualitative data, 17 managers were interviewed and 85 zakah recipients were purposively surveyed (disproportionate sampling) for quantitative purpose between August 1 and December 30, 2013.
In the analysis of post-dose biological samples for quantitative determination of two analytes that can potentially undergo interconversion, it is essential to minimize the interconversion during the multiple steps of the bioanalytical method.
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