Exact(2)
Our results suggest that desirable features of second generation tests will include attention to important sources of preanalytic variation in tumor specimens, including normal contamination and its quantitative effects in biasing tumor classification.
Although first generation breast cancer prognostic tests were performed in central labs [ 32], second generation tests are being developed and validated to realize the advantages of decentralized testing [ 39].
Similar(58)
At a recent press event, GM and Cruise provided rides around San Francisco in its second generation test vehicles.
It is a second generation test which detects HIV 1/2 antibodies in oral fluid specimens.
For parathyroid hormone (PTH) determination, second generation test was used (iPTH), ECLIA (Electrochemiluminescence, Modular, Roche, Germany).
First generation tests such as virus neutralization and the agar immunodiffusion tests are either time-consuming, labour intensive to perform, or nonspecific.
It has been argued that the scientific rigor of translational biomarker research has lagged behind that of treatment research [ 27] and that second generation genomic tests should deal with limitations of the first generation tests, including the need for higher levels of evidence [ 28].
Recently, Roche Diagnostics has replaced the second generation HDL-C test by a new third generation test with an improved start reagent (R1).
The results used here were obtained using a second generation HCV enzyme immunoassay for most subjects, with a few of the newer recruits having data from a third generation test.
Some first-generation tests can detect the SARS virus but not the amount present.
We do understand that the indeterminate results and false positives are lesser in the third-generation tests.
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