PAPPA2 ELISA Kit (Human)

CAT: 0247-OKCD00392-96WSize: 96 WellDry Ice: NoHazardous: No
CAT#:0247-OKCD00392-96WSize:96 Well
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Reproducibility
Intra-assay Precision (Precision within an assay) : 3 samples with low, middle and high level Pappalysin 2 (PAPPA2) were tested 20 times on one plate, respectively. Inter-assay Precision (Precision between assays) : 3 samples with low, middle and high level Pappalysin 2 (PAPPA2) were tested on 3 different plates, 8 replicates in each plate. CV (%) = SD/meanX100 Intra-Assay: CV<10% Inter-Assay: CV<12%
CAS Number
7732-18-5
Gene Name
Pappalysin 2
Gene Aliases
PAPP-A2; pappalysin-2; PAPPE; PAPP-E; PLAC3; placenta-specific 3; pregnancy-associated plasma preproprotein-A2; Pregnancy-associated plasma protein A2; pregnancy-associated plasma protein E1; SSDA.
Gene ID
60676
Accession Number
NP_064714
Reactivity
Homo sapiens|Human
Target
Metalloproteinase which specifically cleaves insulin-like growth factor binding protein (IGFBP) -5 at the '163-Ser-|-Lys-164' bond. Shows limited proteolysis toward IGFBP-3.
Type
ELISA Kit
Applications
Enzyme-linked Immunosorbent assay-Sandwich
Detection Method
Colorimetric
Assay Principle
The test principle applied in this kit is Sandwich enzyme immunoassay. The microtiter plate provided in this kit has been pre-coated with an antibody specific to Pappalysin 2 (PAPPA2) . Standards or samples are then added to the appropriate microtiter plate wells with a biotin-conjugated antibody specific to Pappalysin 2 (PAPPA2) . Next, Avidin conjugated to Horseradish Peroxidase (HRP) is added to each microplate well and incubated. After TMB substrate solution is added, only those wells that contain Pappalysin 2 (PAPPA2), biotin-conjugated antibody and enzyme-conjugated Avidin will exhibit a change in color. The enzyme-substrate reaction is terminated by the addition of sulphuric acid solution and the color change is measured spectrophotometrically at a wavelength of 450nm +/- 10nm. The concentration of Pappalysin 2 (PAPPA2) in the samples is then determined by comparing the O.D. of the samples to the standard curve.
Assay Protocol
Reconstitution & Storage Instructions Western Blotting/Immunoblotting (WB/IB) Protocol Immunohistochemistry (IHC) Protocol Immunocytochemistry (ICC) Protocol Enzyme-Linked ImmunoSorbent Assay (ELISA) Protocol Blocking Peptide Competition Protocol (BPCP) Immunoprecipitation (IP) Protocol Antibody Array (AA) Protocol Reconstitution & Storage Instructions Reconstitution & Storage Instructions Western Blotting/Immunoblotting (WB/IB) Protocol Western Blotting/Immunoblotting (WB/IB) Protocol Immunohistochemistry (IHC) Protocol Immunohistochemistry (IHC) Protocol Immunocytochemistry (ICC) Protocol Immunocytochemistry (ICC) Protocol Enzyme-Linked ImmunoSorbent Assay (ELISA) Protocol Enzyme-Linked ImmunoSorbent Assay (ELISA) Protocol Blocking Peptide Competition Protocol (BPCP) Blocking Peptide Competition Protocol (BPCP) Immunoprecipitation (IP) Protocol Immunoprecipitation (IP) Protocol Antibody Array (AA) Protocol Antibody Array (AA) Protocol
Sample Type
Serum, plasma and other biological fluids
Detection Range
0.156-10ng/mL
Recovery
Matrix Recovery Range (%) Average (%) serum (n=5) 87-104 93 EDTA plasma (n=5) 95-102 99 heparin plasma (n=5) 97-104 101 Matrix Recovery Range (%) Average (%) Matrix Recovery Range (%) Average (%) serum (n=5) 87-104 93 serum (n=5) 87-104 93 EDTA plasma (n=5) 95-102 99 EDTA plasma (n=5) 95-102 99 heparin plasma (n=5) 97-104 101 heparin plasma (n=5) 97-104 101
Sensitivity
< 0.061 ng/mL
Reconstitution
2°C to 8°C|-20°C
Components
Component Amount Anti-PAPPA2 Microplate 96 Wells (12 x 8 Well Strips) PAPPA2 Lyophilized Standard 2 x 10 ng 100X Biotinylated PAPPA2 Detector Antibody 120 uL Avidin/HRP Conjugate 120 uL Standard Diluent 1 x 20 mL Detector Antibody Diluent 1 x 12 mL Conjugate Diluent 1 x 12 mL 30X Wash Buffer 1 x 20 mL TMB Substrate 1 x 9 mL Stop Solution 1 x 6 mL Component Amount Component Amount Anti-PAPPA2 Microplate 96 Wells (12 x 8 Well Strips) Anti-PAPPA2 Microplate 96 Wells (12 x 8 Well Strips) PAPPA2 Lyophilized Standard 2 x 10 ng PAPPA2 Lyophilized Standard 2 x 10 ng 100X Biotinylated PAPPA2 Detector Antibody 120 uL 100X Biotinylated PAPPA2 Detector Antibody 120 uL Avidin/HRP Conjugate 120 uL Avidin/HRP Conjugate 120 uL Standard Diluent 1 x 20 mL Standard Diluent 1 x 20 mL Detector Antibody Diluent 1 x 12 mL Detector Antibody Diluent 1 x 12 mL Conjugate Diluent 1 x 12 mL Conjugate Diluent 1 x 12 mL 30X Wash Buffer 1 x 20 mL 30X Wash Buffer 1 x 20 mL TMB Substrate 1 x 9 mL TMB Substrate 1 x 9 mL Stop Solution 1 x 6 mL Stop Solution 1 x 6 mL
Notes
Formerly GWB-KBBLR1
Specificity
This assay has high sensitivity and excellent specificity for detection of Pappalysin 2 (PAPPA2) . No significant cross-reactivity or interference between Pappalysin 2 (PAPPA2) and analogues was observed.
Protein Length
1791
NCBI Gene Symbol
PAPPA2
Protein Name
Pappalysin-2
Gene Name URL
PAPPA2
Nucleotide Accession Number
NM_020318.2

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