To compare the prevalence of vitamin A deficiency (VAD) among Cambodian preschool children as determined by the retinol-binding protein-enzyme immunoassay (RBP-EIA) and direct measurement of serum ...

The adrenaline test for enzymes is a colorimetric enzyme assay based on the quantification of periodate-sensitive reaction products such as 1,2-diols and 1,2-aminoalcohols by back-titration of the ...

Researchers at Arizona State University have developed a breakthrough diagnostic tool that could transform how quickly and reliably we detect illnesses like COVID-19, Ebola, AIDS or Lyme disease. The ...

The US Food and Drug Administration cleared for marketing four previously cleared tests with new indications to aid in the diagnosis of Lyme disease. The tests cleared are the first time that a test ...

Today, the U.S. Food and Drug Administration cleared for marketing four previously cleared tests with new indications to aid in the diagnosis of Lyme disease. The tests cleared today are the first ...

Pilot Trial of Interleukin-2 With Granulocyte Colony-Stimulating Factor for the Mobilization of Progenitor Cells in Advanced Breast Cancer Patients Undergoing High-Dose Chemotherapy: Expansion of ...

A series of gray zone specimens with sample to cutoff ratio of 0.7 to 0.99 encountered in routine use of the Syva Microtrak (Syva, Inc.) Chlamydia trachomatis enzyme immunoassay (EIA) test for ...

Rapid antigen-based testing was quickly embraced for its ease of use and speed; results are available within an unprecedented 30 min, potentially at the point of care, and without the requirement for ...

North Carolina has added nucleic acid amplification testing for the human immunodeficiency virus (HIV) to standard HIV antibody tests to detect persons with acute HIV infection who are viremic but ...

Today's gold standard for COVID diagnostics is qRT-PCR, but turnaround is typically more than a day. Newer assays using CRISPR enzymes require initial amplification of RNA, requiring special equipment ...