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Total PSA (human) ELISA kit

Highly sensitive Total PSA ELISA kit enabling detection of Total PSA in human serum, plasma, urine, and tissue culture media samples in just 2.5 hours.
 
ENZ-KIT146-0001 96 wells 200.00 USD
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  • Highly-sensitive measurement of Total PSA, detecting as little as 0.287pM (or 0.024ng/ml) with negligible cross reactivity with similar proteins (KLK2, ACT)
  • Compatible with various sample types (plasma, serum, urine, tissue culture media)
  • High throughput format with results in 2.5 hours for up to 40 samples in duplicate
  • Fully quantitative results that surpass semi-quantitative Western blot analysis
The Total PSA (human) ELISA kit is a colorimetric immunometric immunoassay kit with results in 2.5 hours. 
ENZ-KIT146 kit-box-web
ENZ-KIT146 Paralelism
ENZ-KIT146 standard-curve
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ENZ-KIT146 kit-box-web ENZ-KIT146 Paralelism ENZ-KIT146 standard-curve

Product Specification

Alternative Name:Prostate specific antigen, Kallikrein-3
 
Sensitivity:0.287pM or 0.024ng/ml (333-1.37pM or 28-0.12ng/ml)
 
Assay Time:2.5 hours
 
Applications:ELISA, Colorimetric detection
 
Application Notes:For the quantitative determination of Total PSA in human serum, plasma, urine and tissue culture media.
 
Species reactivity:Human
 
Crossreactivity:Minimal cross-reactivity to similar family molecules (KLK2, ACT).
 
Shipping:Shipped on Blue Ice
 
Long Term Storage:+4°C
 
Kit/Set Contains:Microtiter plate, Assay Buffer 13, Standard, Wash Buffer Concentrate, Antibody, Antibody Diluent, Conjugate, Substrate, and Stop Solution
 
Scientific Background:Prostate-specific antigen (PSA), also known as γ-seminoprotein or kallikrein-3 (KLK3), is a kallikrein-like protease produced by the epithelial cells in the prostate gland, the lining of the urethra, and the bulbourethral gland. It is a single-chain glycoprotein with a molecular weight of about 30-33kDa in human seminal plasma and it functions normally in the liquefaction of seminal coagulum. Under healthy condition, very little PSA is secreted in the blood. PSA exists in serum in multiple forms. The proteolytic activity of PSA in blood is inhibited by irreversible formation of complexes with proteinase inhibitors such as α1-antichymotrypsin (PSA-ACT complex), α2-macroglobulin (not detected by immunoassays) and other acute phase proteins. A small amount of PSA is not protein bound and is called 'free PSA”, which is also proteolytically inactive. Increases in glandular size and tissue damage caused by benign prostatic hypertrophy, prostatitis, or prostate cancer may increase circulating PSA levels. Monitoring the total PSA level in male blood has been used as an indicator for abnormal prostate function in the past decades. This assay provides an equal molar detection on different forms of PSA in human matrices, which improves the accuracy and sensitivity of the measurement on the total PSA levels.
 
UniProt ID:P07288
 

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