Human Cytokeratin 19 Fragment Antigen 21-1 ELISA Kit

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Descriere

Specificații

Brand

Antibodies

Mărime

96T

Țintă

Cytokeratin 19 Fragment Antigen 21-1

Applications

Sandwich ELISA

Reactivity

Human

Recommended dilutions

Serum and plasma samples may affect test results and should be diluted at least 1:2 with Sample Dilution Buffer prior to testing. Validated sample dilutions include Healthy serum and plasma (1:2) and SW620 cell lysate (1:10-1:50).

Assay type

Sandwich (quantitative)

Sensitivity

18.75 pg/ml

Sample type

Serum, plasma, tissue homogenates, and other biological fluids.

Cross reactivity

Specific for Cytokeratin 19 Fragment Antigen 21-1 with no reported cross-reactivity with other analogs or variants.

Detection type

Colorimetric Detection (OD450)

Platform

Pre-coated Microplate (12 x 8 well strips)

Product range

31.25 - 2000 pg/ml

Assay Time

4 hours

Principiul testului

Human Cytokeratin 19 Fragment Antigen 21-1 ELISA Kit (A74189) is a 4 hour sandwich Enzyme-Linked Immunosorbent Assay (sELISA) designed for the in vitro quantitative determination of human Cytokeratin 19 Fragment Antigen 21-1 in serum, plasma, tissue homogenates, and other biological fluids. A 96-well microtiter plate has been pre-coated with an antibody specific for Cytokeratin 19 Fragment Antigen 21-1. Standards and samples are added to the wells, where Cytokeratin 19 Fragment Antigen 21-1 binds to the immobilized capture antibody. Following incubation, unbound components are removed by washing and a biotinylated detection antibody specific for Cytokeratin 19 Fragment Antigen 21-1 is added to the wells. The detection antibody binds the captured Cytokeratin 19 Fragment Antigen 21-1 to form an antibody-antigen-antibody sandwich complex. After further incubation and washing, HRP-Streptavidin conjugate is added to the wells. TMB substrate solution is then added to visualize the HRP enzymatic reaction. This produces a blue-coloured product that changes to yellow following addition of acidic stop solution. The intensity of the yellow colour is directly proportional to the amount of Cytokeratin 19 Fragment Antigen 21-1 captured in each well. The concentration of Cytokeratin 19 Fragment Antigen 21-1 is calculated by reading the absorbance at 450 nm and comparing the values with the standard curve.

Storage

Shipped at +4°C. Store kit components at +4°C or -20°C as instructed in the Protocol Manual. Do not use past expiration date! Avoid freeze/thaw cycles.

Documentație

• Manual de utilizare (PDF)se deschide pe site-ul producătorului