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Pig SPA(Surfactant Associated Protein A) ELISA Kit

Pig SPA(Surfactant Associated Protein A) ELISA Kit

 
Catalog #
EKEL20280PC
Species
Pig
Sensitivity
1.35 ng/mL
Assay Range
3.13-200 ng/mL
Sample type(s)
Serum, plasma, lung lavage fluid, tissue homogenates and other biological fluids
 
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 Catalog #AvailabilitySizeQuantityUnit Price Save For Later Wish List
EKEL20280PC-96 2 weeks 96T $735.00
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EKEL20280PC-48 2 weeks 48T $515.00
EKEL20280PC-96x5 2 weeks 96T*5 $3,125.00
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Product Overview

NamePig SPA(Surfactant Associated Protein A) ELISA Kit
Accession (Primary)P49874
Reaction Duration3.5h
Target SpeciesPig
ReactivityPig
Sensitivity1.35 ng/mL
Assay Range3.13-200 ng/mL
Assay typeSandwich
Sample type(s)Serum, plasma, lung lavage fluid, tissue homogenates and other biological fluids
Other Names
PRL; SFTPA; PSAP; PSPA; SFTP; SFTPA1; COLEC4; PSP-A; SFTP1; SFTPA1B; SP-A1; Collectin-4; Alveolar proteinosis protein; 35 kDa pulmonary surfactant-associated protein
Principle of the Assay
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 Pig SPA. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Pig SPA. 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 Pig SPA, 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 Pig SPA in the samples is then determined by comparing the OD of the samples to the standard curve.
Standard Curve
Concentration (ng/mL)ODCorrected OD
200.001.9721.876
100.001.5291.433
50.001.1941.098
25.000.8260.730
12.500.5470.451
6.250.3210.225
3.130.2260.130
0.000.0960.000
Standard curve: The concentration of SPA (ng/mL) plotted against Corrected OD.
Precision
AssayCVMethod
Intra-assay (precision within an assay)< 8%Three samples of known concentration were tested twenty times on one plate to assess intra-assay precision.
Inter-assay (precision between assays)< 10%Three samples of known concentration were tested in forty separate assays to assess inter-assay precision.
Recovery

Matrices listed below were spiked with certain level of recombinant SPA and the recovery rates were calculated by comparing the measured value to the expected amount of SPA in samples.

MatrixRecovery rangeAverage
Serum (n=5)85-97%91%
EDTA plasma (n=5)81-95%88%
Heparin plasma (n=5)83-95%89%

Target Information: ( P49874 )

NameSPA
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