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Pregnancy-Associated Plasma Protein A (PAPP-A) is a protein used in first trimester screening tests. It is used to assess the risk that the fetus a pregnant woman is carrying has a chromosomal abnormality such as Down syndrome (trisomy 21) or Edwards syndrome (trisomy 18).
In first trimester screening it is used in conjunction with hCG or Free beta hCG as well as other diagnostic tests such as nuchal translucency. It offers the benefit of Down syndrome prediction (as a probability factor) earlier in the pregnancy but first trimester screening does not assess risk of of neural tube defects, such as spina bifida. Please see Monobind's Triple Screen VAST assay for second trimester screening product.
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AccuBind® ELISA
Available Materials
Item
Description
Price
Qty
Order
Product Specs
Method:
Enzyme Immunoassay, Colormetric
Principle:
Sandwich Assay, Streptavidin-Coated Plate
Calibrators:
0, 0.64, 1.6, 3.2, 9.6, 32 µg/ml
Sensitivity:
LoB 0.019 µg/ml and LoD 0.074 µg/ml
AccuLite® CLIA
Available Materials
Item
Description
Price
Qty
Order
Product Specs
Method:
Enzyme Immunoassay, Chemiluminescence
Principle:
Sandwich Assay, Streptavidin-Coated Plate
Calibrators:
0, 0.64, 1.6, 3.2, 9.6, 32 µg/ml
Sensitivity:
LoB 0.011 µg/ml and LoD 0.071 µg/ml
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