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  • positive
  • Tests were performed after mNGS testing of patient CSF was positive from aliquots collected on hospital days 3 and 9. (cdc.gov)
  • serum samples
  • Moreover, 269 human serum samples collected from a wide range of age groups were tested, the average neutralizing antibody titer (log 2 NT 50 ) was 8.3 ± 2.8 and the prevalence of NAbs was 83.6 % in this cohort, it also revealed that the average neutralizing antibody titer in different groups increased with the age, and no significant difference in neutralizing antibody titers was observed between males and females. (biomedcentral.com)
  • diagnostic test
  • The results suggest that this non-lethal diagnostic test could be used in the future to improve the epidemiological surveillance and control of CyHV-3 disease. (dtu.dk)
  • results
  • Participants who are seronegative or whose status is unknown are tested for HIV at each visit, with post-test counseling when participants return to the clinic for test results. (clinicaltrials.gov)
  • Reporting of test results in units other than SI shall not be regarded as nonconformance with this standard. (astm.org)
  • The results indicated that amino acid substitution at residue 144 significantly affected neutralization activity, acting as an escape mutation. (biomedcentral.com)
  • reaction
  • Because Class F pozzolan may not contain any calcium hydroxide for reaction, this test method will not determine percentage Class F pozzolan in the mix. (astm.org)
  • association test one based on associative reaction, usually by mentioning words to a patient and noting what other words the patient will think of and give in reply. (thefreedictionary.com)
  • method
  • The quality of the result produced by this test method is dependent on the competence of the personnel performing it, and the suitability of the equipment and facilities used. (astm.org)
  • 1.1 This test method covers the procedure for determining the cement content of fresh soil-cement. (astm.org)
  • This test method is appropriate for soil-cement containing up to 55 % plus 4.75 mm (No. 4) sieve-size particles with a maximum particle size of 75 mm (3 in. (astm.org)
  • 1.2.1 The procedures used to specify how data are collected/recorded and calculated in this test method are regarded as the industry standard. (astm.org)
  • It is beyond the scope of this test method to consider significant digits used in analysis methods for engineering design. (astm.org)
  • alkali denaturation test a spectrophotometric method for determining the concentration of fetal (F) hemoglobin. (thefreedictionary.com)
  • substances
  • Single substances were first tested on each microalgal species to determine their respective EC and concentration-response relationships. (bioportfolio.com)
  • The mixture of isoproturon and metazachlor tested on S. marinoi caused a 28-34% decrease in ϕ' that was significantly higher than levels induced by each of substances when tested alone. (bioportfolio.com)
  • capable
  • Agencies that meet the criteria of Practice D3740 are generally considered capable of competent and objective testing/sampling/inspection/ and the like. (astm.org)