Sentence examples for many serum samples from inspiring English sources
The ELISA format has the advantages that many serum samples can be tested in parallel and the process can be completely automated.
This method is quite attractive because of its easy application, low cost of testing many serum samples in parallel and relatively low invasiveness.
Although this range covers the lower expected serum folate concentrations, in an age of folate fortification many serum samples contain much higher concentrations than 20 ng/mL.
Mesothelin levels have been examined in many series of serum samples [ 20]; however problems of confounding by kidney function [ 21, 22] and low sensitivity in presymptomatic individuals [ 23] have limited its acceptance as a diagnostic marker.
Many commercial laboratories report serum samples with ≥0.5 IU/mL of antibody as a positive test.
It was possible that many of the 14 serum samples that were ELISA positive, but not HI positive, could represent animals with exposure to a sufficiently different but homologous subtype, or to an untested subtype such as H9 or H5.
As many as 13/24 (54%) serum samples with antibodies against B. henselae reacted to antigens of only that species.
The HCs showed greater correlation between the Luminex® array results from the dermal blister fluid and serum samples, with many reaching significance.
Kannan et al. (2004) studied 473 serum samples from many countries and found that PFOA was present in most samples from industrialized countries but found no significant differences by sex or age.
However, no similar recognition pattern was observed in colostrum or serum samples from many puerperal women, when analyzed separately, since most antigenic fractions were recognized with frequencies below 50%% (Figs. 5c and 6).
The CPCTR has fulfilled 5 of 8 REP-approved requests for large numbers of tissue samples, which has resulted in the distribution of prostate cancer tissue from 440 frozen cases and 200 paraffin embedded cases, with paired serum samples for many of them.
