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Russell's viper, Daboia russelii Dilute Russell's viper venom time (dRVVT) is a laboratory test often used for detection of lupus anticoagulant (LA). It is an assessment of the time for blood to clot in the presence of a diluted amount of venom from Russell's viper (Daboia russelii), a highly venomous snake native to the Indian subcontinent and named after the herpetologist Patrick Russell.
TNP-ATP. TNP-ATP is a fluorescent molecule that is able to determine whether a protein binds to ATP, and the constants associated with that binding. It is primarily used in fluorescence spectroscopy, but is also very useful as an acceptor molecule in FRET, and as a fluorescent probe in fluorescence microscopy and X-ray crystallography. [1]
Picric acid is an organic compound with the formula (O 2 N) 3 C 6 H 2 OH. Its IUPAC name is 2,4,6-trinitrophenol ( TNP ). The name "picric" comes from Greek: πικρός ( pikros ), meaning "bitter", due to its bitter taste. It is one of the most acidic phenols.
Rapid plasma reagin. The rapid plasma reagin test ( RPR test or RPR titer) is a type of rapid diagnostic test that looks for non-specific antibodies in the blood of the patient that may indicate an infection by syphilis or related non-venereal treponematoses. It is one of several nontreponemal tests for syphilis (along with the Wassermann test ...
QNS. QNS is a clinical laboratory abbreviation for quantity not sufficient . This indicates that either: There is not enough specimen for the lab tests ordered to be performed. [ 1] In the case of Vacutainers or other tubes with pre-added anticoagulant, the amount of blood invacuated into the tube at the time of phlebotomy was insufficient to ...
Noninvasive prenatal testing ( NIPT) is a method used to determine the risk for the fetus being born with certain chromosomal abnormalities, such as trisomy 21, trisomy 18 and trisomy 13. [ 1][ 2][ 3] This testing analyzes small DNA fragments that circulate in the blood of a pregnant woman. [ 4] Unlike most DNA found in the nucleus of a cell ...
Transposase (Tnp) Tn5 is a member of the RNase superfamily of proteins which includes retroviral integrases. Tn5 can be found in Shewanella and Escherichia bacteria. [5] The transposon codes for antibiotic resistance to kanamycin and other aminoglycoside antibiotics. [3] [6] Tn5 and other transposases are notably inactive.
James Powel, USA TODAY. August 14, 2024 at 3:30 PM. The American Red Cross declared an emergency blood shortage as the organization reported that blood inventory plummeted more than 25% in July ...