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小鼠脂蛋白關(guān)聯(lián)磷脂酶A2(LpPLA2)酶聯(lián)免疫吸附檢測試劑盒

ELK1499

規(guī)格：	價格：
48T	￥1960.00
96T	￥2800.00

下載說明 ①

Overview

Product name:	Mouse LpPLA2(Phospholipase A2, Lipoprotein Associated) ELISA Kit
Reactivity:	Mouse
Alternative Names:	PLA2G7; PAF-AH; PAFAH; Lp-PLA2; LDL-PLA2; Platelet Activating Factor Acetylhydrolase,Plasma; Phospholipase A2,Group VII; LDL-associated phospholipase A2
Assay Type:	Sandwich
Sensitivity:	0.137 ng/mL
Standard:	20 ng/mL
Detection Range:	0.32-20 ng/mL
Sample Type:	Serum, plasma, tissue homogenates and other biological fluids.
Assay Length:	3.5h
Research Area:	Enzyme & Kinase;Metabolic pathway;Infection immunity;
Test 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 Mouse LpPLA2. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Mouse LpPLA2. 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 Mouse LpPLA2, 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 Mouse LpPLA2 in the samples is then determined by comparing the OD of the samples to the standard curve.

標(biāo)準(zhǔn)曲線

Concentration (ng/mL)	OD	Corrected OD
20.00	2.165	2.063
10.00	1.696	1.594
5.00	1.217	1.115
2.50	0.905	0.803
1.25	0.597	0.495
0.63	0.402	0.300
0.32	0.238	0.136
0.00	0.102	0.000

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 LpPLA2 and the recovery rates were calculated by comparing the measured value to the expected amount of LpPLA2 in samples.

Matrix	Recovery range	Average
serum(n=5)	92-106%	99%
EDTA plasma(n=5)	87-99%	93%
Heparin plasma(n=5)	80-92%	86%

線性

The linearity of the kit was assayed by testing samples spiked with appropriate concentration of LpPLA2 and their serial dilutions. The results were demonstrated by the percentage of calculated concentration to the expected.