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ELISA Kit for P-Selectin (SELP)

CD62P; Selectin, Platelet; PSEL; GMP140; LECAM3; GRMP; GMRP; PADGEM; Leukocyte-endothelial cell adhesion molecule 3; Platelet activation dependent granule-external membrane


This assay has high sensitivity and excellent specificity for detection of P-Selectin (SELP).
No significant cross-reactivity or interference between P-Selectin (SELP) and analogues was observed.


Matrices listed below were spiked with certain level of recombinant P-Selectin (SELP) and the recovery rates were calculated by comparing the measured value to the expected amount of P-Selectin (SELP) in samples.

Matrix Recovery range (%) Average(%)
serum(n=5) 82-95 87
EDTA plasma(n=5) 97-105 102
heparin plasma(n=5) 83-95 86


Intra-assay Precision (Precision within an assay): 3 samples with low, middle and high level P-Selectin (SELP) were tested 20 times on one plate, respectively.
Inter-assay Precision (Precision between assays): 3 samples with low, middle and high level P-Selectin (SELP) were tested on 3 different plates, 8 replicates in each plate.
CV(%) = SD/meanX100
Intra-Assay: CV<10%
Inter-Assay: CV<12%


The linearity of the kit was assayed by testing samples spiked with appropriate concentration of P-Selectin (SELP) and their serial dilutions. The results were demonstrated by the percentage of calculated concentration to the expected.

Sample 1:2 1:4 1:8 1:16
serum(n=5) 87-96% 84-103% 88-102% 83-96%
EDTA plasma(n=5) 90-99% 91-101% 98-105% 79-93%
heparin plasma(n=5) 82-102% 78-99% 78-101% 98-105%


The stability of kit is determined by the loss rate of activity. The loss rate of this kit is less than 5% within the expiration date under appropriate storage condition.
To minimize extra influence on the performance, operation procedures and lab conditions, especially room temperature, air humidity, incubator temperature should be strictly controlled. It is also strongly suggested that the whole assay is performed by the same operator from the beginning to the end.

Reagents and materials provided

Reagents Quantity Reagents Quantity
Pre-coated, ready to use 96-well strip plate 1 Plate sealer for 96 wells 4
Standard 2 Standard Diluent 1×20mL
Detection Reagent A 1×120µL Assay Diluent A 1×12mL
Detection Reagent B 1×120µL Assay Diluent B 1×12mL
TMB Substrate 1×9mL Stop Solution 1×6mL
Wash Buffer (30 × concentrate) 1×20mL Instruction manual 1

Assay procedure summary

1. Prepare all reagents, samples and standards;
2. Add 100µL standard or sample to each well. Incubate 1 hours at 37°C;
3. Aspirate and add 100µL prepared Detection Reagent A. Incubate 1 hour at 37°C;
4. Aspirate and wash 3 times;
5. Add 100µL prepared Detection Reagent B. Incubate 30 minutes at 37°C;
6. Aspirate and wash 5 times;
7. Add 90µL Substrate Solution. Incubate 10-20 minutes at 37°C;
8. Add 50µL Stop Solution. Read at 450nm immediately.



Magazine Citations
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Basic Research in Cardiology Secretome of apoptotic peripheral blood cells (APOSEC) attenuates microvascular obstruction in a porcine closed chest reperfused acute myocardial infarction model: role of platelet aggregation and vasodilation PubMed: 22899170
BioMed research international Endothelial gene expression and molecular changes in response to radiosurgery in in vitro and in vivo models of cerebral arteriovenous malformations Pubmed: 24199192
Free Radical Biology and Medicine Involvement of nitric oxide with activation of Toll-like receptor 4 signaling in mice with dextran sodium sulfate-induced colitis Pubmed:24992835
Materials Science and Engineering: C MRI-compatible Nb–60Ta–2Zr alloy used for vascular stents: Haemocompatibility and its correlation with protein adsorption Pubmed:25063132
Blood Coagul Fibrinolysis.? Chemical sympathectomy attenuates inflammation, glycocalyx shedding and coagulation disorders in rats with acute traumatic coagulopathy. Pubmed:25325345
Inflammation.? Systemic and Flap Inflammatory Response Associates with Thrombosis in Flap Venous Crisis Pubmed:25448261
Endocrine Effects of glucagon-like peptide-1 on advanced glycation endproduct-induced aortic endothelial dysfunction in streptozotocin-induced diabetic rats: possible roles of Rho kinase- and AMP kinase-mediated nuclear factor κB signaling pathways Pubmed:26758998
Microbial Pathogenesis Protective effects of sinomenine against LPS-induced inflammation in piglets. pubmed:28757275
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