不对称二甲基精氨酸(ADMA)检测试剂盒
适用生物 General,通用
不对称二甲基精氨酸(ADMA)检测试剂盒
检测范围 12.35-1000ng/mL 灵敏度 4.61ng/mL
样本类型 Serum, plasma, tissue homogenates, cell lysates, cell culture supernates and other biological fluids.
实验时长 2.5h 实验方法 竞争抑制法 不对称二甲基精氨酸(ADMA)检测试剂盒
规格 96T
ELISA Kit for Asymmetrical Dimethylarginine (ADMA)
FOR IN VITRO AND RESEARCH USE ONLY, NOT FOR USE IN CLINICAL DIAGNOSTIC PROCEDURES!
Organism species General
Product No. ybEB301Ge
Sample type Serum, plasma, tissue homogenates, cell lysates, cell culture supernates and other biological fluids.
Format 96-well strip plate
Assay length 2.5 hours
Detection range 12.35-1000ng/mL The standard curve concentrations used for the ELISA’s were 1000ng/mL, 333.33ng/mL, 111.11ng/mL, 37.04ng/mL, 12.35ng/mL
Sensitivity The minimum detectable dose of this kit is typically less than 4.61ng/mL.
不对称二甲基精氨酸(ADMA)检测试剂盒Specificity
This assay has high sensitivity and excellent specificity for detection of Asymmetrical Dimethylarginine (ADMA).
No significant cross-reactivity or interference between Asymmetrical Dimethylarginine (ADMA) and analogues was observed.
Recovery
Matrices listed below were spiked with certain level of recombinant Asymmetrical Dimethylarginine (ADMA) and the recovery rates were calculated by comparing the measured value to the expected amount of Asymmetrical Dimethylarginine (ADMA) in samples.
Matrix Recovery range (%) Average(%)
serum(n=5) 78-92 87
EDTA plasma(n=5) 92-101 96
heparin plasma(n=5) 96-103 101
Precision
Intra-assay Precision (Precision within an assay): 3 samples with low, middle and high level Asymmetrical Dimethylarginine (ADMA) were tested 20 times on one plate, respectively.
Inter-assay Precision (Precision between assays): 3 samples with low, middle and high level Asymmetrical Dimethylarginine (ADMA) were tested on 3 different plates, 8 replicates in each plate.
CV(%) = SD/meanX100
Intra-Assay: CV<10%
Inter-Assay: CV<12%
不对称二甲基精氨酸(ADMA)检测试剂盒Linearity
The linearity of the kit was assayed by testing samples spiked with appropriate concentration of Asymmetrical Dimethylarginine (ADMA) 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) 87-101% 85-97% 98-105% 93-101%
EDTA plasma(n=5) 86-96% 84-101% 91-98% 95-102%
heparin plasma(n=5) 85-102% 98-105% 83-92% 90-101%
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 Assay Diluent A 1×12mL
Detection Reagent B 1×120μL Assay Diluent B 1×12mL
Reagent Diluent 1×300μL Stop Solution 1×6mL
TMB Substrate 1×9mL Instruction manual 1
Wash Buffer (30 × concentrate) 1×20mL
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 37oC;
3. Aspirate and wash 3 times;
4. Add 100μL prepared Detection Reagent B. Incubate 30 minutes at 37oC;
5. Aspirate and wash 5 times;
6. Add 90μL Substrate Solution. Incubate 15-25 minutes at 37oC;
7. Add 50μL Stop Solution. Read at 450 nm immediately.
不对称二甲基精氨酸(ADMA)检测试剂盒Test principle
This assay employs the competitive inhibition enzyme immunoassay technique. A monoclonal antibody specific to Asymmetrical Dimethylarginine (ADMA) has been pre-coated onto a microplate. A competitive inhibition reaction is launched between biotin labeled Asymmetrical Dimethylarginine (ADMA) and unlabeled Asymmetrical Dimethylarginine (ADMA) (Standards or samples) with the pre-coated antibody specific to Asymmetrical Dimethylarginine (ADMA). 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 Asymmetrical Dimethylarginine (ADMA) in the sample. After addition of the substrate solution, the intensity of color developed is reverse proportional to the concentration of Asymmetrical Dimethylarginine (ADMA) in the sample.
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