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Rat IP3(Inositol Triphosphate) ELISA Kit
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ELK0771
Size： Price：
48 T $265.00
96 T $376.00
96 T*5 $1598.00
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Overview

Product name: Rat IP3(Inositol Triphosphate) ELISA Kit
Reactivity: Rat
Alternative Names: InsP3; Inositol 1,4,5-Trisphosphate; Triphosphoinositol
Assay Type: Competitive Inhibition
Sensitivity: 5.73 pg/mL
Standard: 1000 pg/mL
Detection Range: 15.63-1000 pg/mL
Sample Type: serum, plasma, cell lysates, cell culture supernates and other biological fluids
Assay Length: 2h
Research Area: Signal transduction;Metabolic pathway;Endocrinology;Cardiovascular biology;Neuro science;Hormone metabolism;Bone metabolism;
Test principle: This assay employs the competitive inhibition enzyme immunoassay technique. The microtiter plate provided in this kit has been pre-coated with Rat IP3. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Rat IP3. 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 Rat IP3 in the samples is then determined by comparing the OD of the samples to the standard curve.

Standard curve

Concentration (pg/mL) OD Corrected OD
1000.00 0.185
500.00 0.397
250.00 0.611
125.00 0.993
62.50 1.139
31.25 1.583
15.63 1.761
0.00 2.211

Precision

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.

Recovery

Matrices listed below were spiked with certain level of recombinant IP3 and the recovery rates were calculated by comparing the measured value to the expected amount of IP3 in samples.
Matrix Recovery range Average
serum(n=5) 87-99% 93%
EDTA plasma(n=5) 78-90% 84%
Heparin plasma(n=5) 89-107% 98%

Linearity

The linearity of the kit was assayed by testing samples spiked with appropriate concentration of IP3 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) 88-97% 86-92% 95-103% 98-106%
EDTA plasma(n=5) 85-94% 87-96% 82-95% 81-93%
Heparin plasma(n=5) 87-94% 85-96% 92-102% 81-90%