ELISA Kit for Fetuin B (FETUB) Homo sapiens (Human) Sandwich ELISA

FETU-B; 16G2; Gugu; IRL685; Fetuin-like protein IRL685

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  • ELISA Kit for Fetuin B (FETUB) Packages (Simulation)
  • ELISA Kit for Fetuin B (FETUB) Packages (Simulation)
  • ELISA Kit for Fetuin B (FETUB) Results demonstration
  • SEB860Hu.jpg Typical Standard Curve
  • Certificate ISO9001: 2008, ISO13485: 2003 Registered

Recovery

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

Matrix Recovery range (%) Average(%)
serum(n=5) 89-104 101
EDTA plasma(n=5) 92-101 95
heparin plasma(n=5) 83-101 96

Precision

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

Linearity

The linearity of the kit was assayed by testing samples spiked with appropriate concentration of Fetuin B (FETUB) 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) 91-105% 93-101% 87-94% 82-102%
EDTA plasma(n=5) 86-97% 92-99% 91-101% 78-92%
heparin plasma(n=5) 99-105% 84-95% 90-104% 88-95%

Stability

The stability of 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 condition.
To minimize extra influence on the performance, operation procedures and lab conditions, especially room temperature, air humidity, incubator temperature should be strictly controlled. It is also strongly suggested that the whole assay is performed by the same operator from the beginning to the end.

Reagents and materials provided

Reagents Quantity Reagents Quantity
Pre-coated, ready to use 96-well strip plate 1 Plate sealer for 96 wells 4
Standard 2 Standard Diluent 1×20mL
Detection Reagent A 1×120µL Assay Diluent A 1×12mL
Detection Reagent B 1×120µL Assay Diluent B 1×12mL
TMB Substrate 1×9mL Stop Solution 1×6mL
Wash Buffer (30 × concentrate) 1×20mL Instruction manual 1

Assay procedure summary

1. Prepare all reagents, samples and standards;
2. Add 100µL standard or sample to each well. Incubate 1 hours at 37°C;
3. Aspirate and add 100µL prepared Detection Reagent A. Incubate 1 hour at 37°C;
4. Aspirate and wash 3 times;
5. Add 100µL prepared Detection Reagent B. Incubate 30 minutes at 37°C;
6. Aspirate and wash 5 times;
7. Add 90µL Substrate Solution. Incubate 10-20 minutes at 37°C;
8. Add 50µL Stop Solution. Read at 450nm immediately.

ELISA Kit for Fetuin B (FETUB)

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 Fetuin B (FETUB). Standards or samples are then added to the appropriate microtiter plate wells with a biotin-conjugated antibody specific to Fetuin B (FETUB). 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 Fetuin B (FETUB), 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 Fetuin B (FETUB) in the samples is then determined by comparing the O.D. of the samples to the standard curve.

Citations

  • Serum fetuin B level increased in subjects of nonalcoholic fatty liver disease: a case-control studypubmed:27628583
  • Increased serum levels of fetuin B in patients with coronary artery diseasepubmed:28822077
  • Plasma fetuin-B concentrations are associated with insulin resistance and first-phase glucose-stimulated insulin secretion in individuals with different degrees of …Pubmed:29514765
  • Serum level of fetuin B is associated with osteoporosis: a 4-year prospective study in ChinaPubmed:29603688
  • Fetuin B aggravates liver X receptor-mediated hepatic steatosis through AMPK in HepG2 cells and micePubmed: 30972177
  • Increased serum fetuin-B concentration is associated with HOMA-β and indices of liver steatosis in women with polycystic ovary syndrome: a pilot studyPubmed: 31307012
  • Multi-omic signatures of atherogenic dyslipidaemia: pre-clinical target identification and validation in humans33407555
  • Citrate high volume on-line hemodiafiltration modulates serum Interleukin-6 and Klotho levels: the multicenter randomized controlled study ¡°Hephaestus¡±33559851
  • High Fat, High Sugar Diet and DJOS Bariatric Surgery Influence Plasma Levels of Fetuin-B, Growth Differentiation Factor-15, and Pentraxin 3 in Diet-Induced Obese …34684637

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