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Mouse Angiopoietin Like Protein 2 (ANGPTL2) ELISA Kit

Mouse Angiopoietin Like Protein 2 (ANGPTL2) ELISA Kit ANGPTL2 DL-ANGPTL2-Mu HARP ARP2 Angiopoietin-Related Protein 2
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Mouse Angiopoietin Like Protein 2 (ANGPTL2) ELISA Kit ANGPTL2 DL-ANGPTL2-Mu HARP ARP2 Angiopoietin-Related Protein 2 code image

two product lines: Traditional ELISA Kit and Ready-to-Use ELISA Kit.

Traditional ELISA Kit Ready-to-Use ELISA KIT
Product name: Mouse Angiopoietin Like Protein 2 (ANGPTL2) ELISA Kit
Method: Sandwich
Synonyms:

HARP; ARP2; Angiopoietin-Related Protein 2

Detection range: 6.25-400pg/mL
Reactivity: ANGPTL2
Size: 96T/48T
Quality guarantee period: for 12 months
Catalog number: DL-ANGPTL2-Mu (traditional) (ready-to-use)
Assay length 1-4.5Hours 1-3.5Hours
Advantages:
  • Competitive price.
  • High sensitivity.
  • High stability.
  • 12 months shelf life.
  • Pre-diluted Detection Reagent A and B
  • Reduction in the number of steps when conducting the test
  • All the reagents can be stored at 4℃
  • Faster reaction compare to other brands
  • 12 months shelf life
Instruction Manual DL-ANGPTL2-Mu.pdf DL-ANGPTL2-Mu.pdf
Mouse Angiopoietin Like Protein 2 (ANGPTL2) ELISA Kit elisa kit elisa kits
Introduction
ItemStandardTest
Description

The kit is a sandwich enzyme immunoassay for the in vitro quantitative measurement of ANGPTL2 in mouse serum, plasma, tissue homogenates, cell lysates, cell culture supernates and other biological fluids.

Conform
IdentificationColorimetricPositive
Composition Traditional ELISA Kit Ready-to-Use ELISA KITConform
Pre-coated, ready to use 96-well strip plate 1Pre-coated, ready to use 96-well strip plate 1
Plate sealer for 96 wells 2Plate sealer for 96 wells 2
Standard 2 Standard 2
Diluents buffer 1×45mLStandard Diluent 1×20mL
Detection Reagent A 1×120μLDetection Solution A 1×12mL
Detection Reagent B 1×120μLDetection Solution B 1×12mL
TMB Substrate 1×9mLTMB Substrate 1×9mL
Stop Solution 1×6mLStop Solution 1×6mL
Wash Buffer (30 × concentrate) 1×20mLWash Buffer (30 × concentrate) 1×20mL
Instruction manual 1 Instruction manual 1

Test principle

The microtiter plate provided in this kit has been pre-coated with an antibody specific to the index. Standards or samples are then added to the appropriate microtiter plate wells with a biotin-conjugated antibody preparation specific to the index. 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 the index, 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 the index in the samples is then determined by comparing the O.D. of the samples to the standard curve.

Recovery

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

Matrix Recovery range (%) Average(%)
serum(n=5) 81-93 86
EDTA plasma(n=5) 80-97 88
heparin plasma(n=5) 90-101 95

Linearity

The linearity of the kit was assayed by testing samples spiked with appropriate concentration of the index 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) 82-96% 83-98% 81-99% 93-101%
EDTA plasma(n=5) 88-101% 86-95% 90-102% 80-93%
heparin plasma(n=5) 80-91% 82-90% 95-104% 79-95%

Precision

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

Stability

The stability of ELISA 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 conditions.
Note:
To minimize unnecessary influences on the performance, operation procedures and lab conditions, especially room temperature, air humidity and incubator temperatures should be strictly regulated. It is also strongly suggested that the whole assay is performed by the same experimenter from the beginning to the end.

Assay procedure summary

1. Prepare all reagents, samples and standards;
2. Add 100µL standard or sample to each well. Incubate 2 hours at 37℃;
3. Aspirate and add 100µL prepared Detection Reagent A. Incubate 1 hour at 37℃;
4. Aspirate and wash 3 times;
5. Add 100µL prepared Detection Reagent B. Incubate 1 hour at 37℃;
6. Aspirate and wash 5 times;
7. Add 90µL Substrate Solution. Incubate 15-25 minutes at 37℃;
8. Add 50µL Stop Solution. Read at 450nm immediately.

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