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Tests
Bilirubin is in the insoluble form, unconjugated bilirubin (indirect bilirubin).The non-water soluble, free bilirubin does not react with sulfanilic acid at acidic pH to produce a red colored complex until an accelearator, alcohol, is added to the solution to perform a quantitative measurement of unconjugated bilirubin levels.
Tests
The determination of the free thyroxine present in a sample by indirect measure.
Tests
An insulin in blood test measures the amount of insulin in a sample of your blood. Insulin is a hormone that your pancreas makes. Hormones are chemical messengers in your bloodstream that control the actions of certain cells or organs.
Article
Research record from Biomed Opt Express, 2026-03-19. PMID 42110980.
Article
Research record from Biosens Bioelectron, 2026-09-25. PMID 42801800.
Article
Research record from Mol Diagn Ther, 2026-07-06. PMID 42410176.
Article
Research record from Mol Cell Pediatr, 2026-04-08. PMID 41949810.
Indicators
A water-soluble vitamin belonging to the vitamin B family, which occurs in many animal and plant tissues, with antihyperlipidemic activity. Niacin is converted to its active form niacinamide, which is a component of the coenzymes nicotinamide adenine dinucleotide (NAD) and its phosphate form, NADP. These coenzymes play an important role in tissue respiration and in glycogen, lipid, amino acid, protein, and purine metabolism. Although the exact mechanism of action by which niacin lowers cholesterol is not fully understood, it may act by inhibiting the synthesis of very low density lipoproteins (VLDL), inhibiting the release of free fatty acids from adipose tissue, increasing lipoprotein lipase activity, and reducing the hepatic synthesis of VLDL-C and LDL-C.
Glossary Term
In statistical inference procedures (hypothesis tests and confidence intervals), nonparametric procedures are those that are relatively free of assumptions about population parameters.
Tests
Prenatal cell-free DNA (cfDNA) screening is a blood test given during pregnancy . During pregnancy, some of the fetus's DNA circulates in the mother's bloodstream. A cfDNA screening checks this DNA to find out if the baby is more likely to have certain conditions caused by an abnormal number of chromosomes , such as Down syndrome .
Article
Research record from Sci Rep, 2026-04-08. PMID 41951723.
Tests
A protein produced by prostate tissue; elevated values can reflect prostate cancer but also common benign conditions.
