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人甘丙肽(GAL)酶聯(lián)免疫吸附檢測(cè)試劑盒
ELK1756
規(guī)格: 價(jià)格:
48T ¥1960.00
96T ¥2800.00

Overview

Product name: Human GAL(Galanin) ELISA Kit
Reactivity: Human
Alternative Names: GALN; GLNN; GMAP; Galanin Prepropeptide; Galanin-Message-Associated Peptide
Assay Type: Competitive Inhibition
Sensitivity: 4.83 pg/mL
Standard: 1000 pg/mL
Detection Range: 15.63-1000 pg/mL
Sample Type: Serum, plasma, tissue homogenates, cell lysates, cell culture supernates and other biological fluids
Assay Length: 2h
Research Area: Metabolic pathway;Endocrinology;Reproductive science;Neuro science;Hepatology;Gastroenterology;Hormone metabolism;
Uniprot ID: P22466
Test principle: This assay employs the competitive inhibition enzyme immunoassay technique. The microtiter plate provided in this kit has been pre-coated with Human GAL. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Human GAL. Next, Avidin conjugated to Horseradish Peroxidase (HRP) is added to each microplate well and incubated. After TMB substrate solution is added. 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 Human GAL in the samples is then determined by comparing the OD of the samples to the standard curve.

標(biāo)準(zhǔn)曲線

Concentration (pg/mL) OD Corrected OD
1000.00 0.189
500.00 0.397
250.00 0.583
125.00 0.857
62.50 1.152
31.25 1.511
15.63 1.762
0.00 2.123

精密度

Intra-assay Precision (Precision within an assay):CV%<8%

Three samples of known concentration were tested twenty times on one plate to assess intra-assay precision.

Inter-assay Precision (Precision between assays):CV%<10%

Three samples of known concentration were tested in forty separate assays to assess inter-assay precision.

回收率

Matrices listed below were spiked with certain level of recombinant GAL and the recovery rates were calculated by comparing the measured value to the expected amount of GAL in samples.
Matrix Recovery range Average
serum(n=5) 82-98% 90%
EDTA plasma(n=5) 84-98% 91%
Heparin plasma(n=5) 80-96% 88%

線性

The linearity of the kit was assayed by testing samples spiked with appropriate concentration of GAL and their serial dilutions. The results were demonstrated by the percentage of calculated concentration to the expected.
Matrix 1:2 1:4 1:8 1:16
serum(n=5) 85-94% 87-105% 92-101% 79-90%
EDTA plasma(n=5) 85-102% 82-96% 87-98% 78-92%
Heparin plasma(n=5) 88-103% 86-97% 87-102% 89-101%
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