CLIA Kit for Vitamin B1 (VB1) Pan-species (General) Competition CLIA

Thiamine; Thiamin; Aneurine

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  • CLIA Kit for Vitamin B1 (VB1) Packages (Simulation)
  • CLIA Kit for Vitamin B1 (VB1) Packages (Simulation)
  • CLIA Kit for Vitamin B1 (VB1) Results demonstration
  • CCD053Ge.jpg Typical Standard Curve
  • Certificate ISO9001: 2008, ISO13485: 2003 Registered

Recovery

Matrices listed below were spiked with certain level of Vitamin B1 (VB1) and the recovery rates were calculated by comparing the measured value to the expected amount of Vitamin B1 (VB1) in samples.

Matrix Recovery range (%) Average(%)
serum(n=5) 97-104 101
EDTA plasma(n=5) 94-104 99
heparin plasma(n=5) 97-105 101

Precision

Intra-assay Precision (Precision within an assay): 3 samples with low, middle and high level Vitamin B1 (VB1) were tested 20 times on one plate, respectively.
Inter-assay Precision (Precision between assays): 3 samples with low, middle and high level Vitamin B1 (VB1) 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 Vitamin B1 (VB1) 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) 95-104% 87-101% 80-101% 91-99%
EDTA plasma(n=5) 93-105% 87-95% 88-99% 94-105%
heparin plasma(n=5) 99-105% 80-99% 92-105% 94-102%

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
Substrate A 1×10mL Substrate B 1×2mL
Wash Buffer (30 × concentrate) 1×20mL Instruction manual 1

Assay procedure summary

1. Prepare all reagents, samples and standards;
2. Add 50µL standard or sample to each well.
    And then add 50µL prepared Detection Reagent A immediately.
    Shake and mix. Incubate 1 hour at 37°C;
3. Aspirate and wash 3 times;
4. Add 100µL prepared Detection Reagent B. Incubate 30 minutes at 37°C;
5. Aspirate and wash 5 times;
6. Add 100µL Substrate Solution. Incubate 10 minutes at 37°C;
7. Read RLU value immediately.

CLIA Kit for Vitamin B1 (VB1)

Test principle

The microplate provided in this kit has been pre-coated with a monoclonal antibody specific to Vitamin B1 (VB1). A competitive inhibition reaction is launched between biotin labeled Vitamin B1 (VB1) and unlabeled Vitamin B1 (VB1) (Standards or samples) with the pre-coated antibody specific to Vitamin B1 (VB1). After incubation the unbound conjugate is washed off. Next, avidin conjugated to Horseradish Peroxidase (HRP) is added to each microplate well and incubated. The amount of bound HRP conjugate is reverse proportional to the concentration of Vitamin B1 (VB1) in the sample. Then the mixture of substrate A and B is added to generate glow light emission kinetics. Upon plate development, the intensity of the emitted light is reverse proportional to the Vitamin B1 (VB1) level in the sample or standard.

Citations

  • Identification of critical variants within SLC44A4, an ulcerative colitis susceptibility gene identified in a GWAS in north IndiansPubmed:26741288
  • 日粮不同钴水平对奶牛泌乳性能, 营养物质消化率和血液生化指标的影响
  • Disinhibition-Like Behavior Correlates with Frontal Cortex Damage in an Animal Model of Chronic Alcohol Consumption and Thiamine DeficiencyPubmed:35203470

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