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Human Isopentenyl-Diphosphate Delta-Isomerase 1 (IDI1) ELISA Kit

Human Isopentenyl-Diphosphate Delta-Isomerase 1 (IDI1) ELISA Kit   Isopentenyl pyrophosphate isomerase 1(IPP isomerase 1;IPPI1);
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Human Isopentenyl-Diphosphate Delta-Isomerase 1 (IDI1) ELISA Kit   Isopentenyl pyrophosphate isomerase 1(IPP isomerase 1;IPPI1); code image

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

Traditional ELISA Kit Ready-to-Use ELISA KIT
Product name: Human Isopentenyl-Diphosphate Delta-Isomerase 1 (IDI1) ELISA Kit
Method: Competition
Synonyms:

Isopentenyl pyrophosphate isomerase 1(IPP isomerase 1;IPPI1);

Detection range: 0.312-20ng/mL
Target Protein: IDI1
Size: 96T/48T
Quality guarantee period: for 12 months, 16 months
Catalog number: DL-IDI1-Hu (traditional) (ready-to-use)
Assay length 1-2.5Hours 1-2.5Hours
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 -20℃
  • Faster reaction compare to other brands
  • 16 months shelf life
Instruction Manual DL-IDI1-Hu.pdf DL-IDI1-Hu.pdf
1.Overview:

Other names:Isopentenyl pyrophosphate isomerase 1(IPP isomerase 1;IPPI1);

Function: Catalyzes the 1,3-allylic rearrangement of the homoallylic substrate isopentenyl (IPP) to its highly electrophilic allylic isomer, dimethylallyl diphosphate (DMAPP).

Sequence:

 50 MPEINTNHLD KQQVQLLAEM CILIDENDNK IGAETKKNCH LNENIEKGLL 
100 HRAFSVFLFN TENKLLLQQR SDAKITFPGC FTNTCCSHPL SNPAELEESD 
150 ALGVRRAAQR RLKAELGIPL EEVPPEEINY LTRIHYKAQS DGIWGEHEID 
200 YILLVRKNVT LNPDPNEIKS YCYVSKEELK ELLKKAASGE IKITPWFKII 
220 AATFLFKWWD NLNHLNQFVD HEKIYRM  
2.Features
INTENDED USE
The kit is a competitive inhibition enzyme immunoassay technique for the in vitro quantitative measurement of IDI1 in human serum, plasma, tissue homogenates or other biological fluids.
 
DETECTION RANGE
0.312-20ng/mL. The standard curve concentrations used for the ELISA’s were 20ng/mL, 10ng/mL, 5ng/mL, 2.5ng/mL, 1.25ng/mL, 0.625ng/mL, 0.312ng/mL.
 
 SENSITIVITY
The minimum detectable dose of IDI1 is typically less than 0.113ng/mL.
The sensitivity of this assay, or Lower Limit of Detection (LLD) was defined as the lowest protein concentration that could be differentiated from zero. It was determined by adding two standard deviations to the mean optical density value of twenty zero standard replicates and calculating the corresponding concentration.
 
 SPECIFICITY
This assay has high sensitivity and excellent specificity for detection of IDI1.
No significant cross-reactivity or interference between IDI1 and analogues was observed.
 
You can reference link of the kit as following
 
https://dldevelop.com/Research-reagent/dl-idi1-hu.html
https://www.dldevelop.com/uploadfile/data/DL-IDI1-Hu.pdf
 
Introduction
Item Standard Test
Description

The kit is a competitive inhibition enzyme immunoassay technique for the in vitro quantitative measurement of human IDI1 in 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

This assay employs the competitive inhibition enzyme immunoassay technique. A monoclonal antibody specific to the index has been pre-coated onto a microplate. A competitive inhibition reaction is launched between biotin labeled the index and unlabeled the index (Standards or samples) with the pre-coated antibody specific to the index. 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 the index in the sample. After addition of the substrate solution, the intensity of color developed is reverse proportional to the concentration of the index in the sample.

Recovery

Matrices listed below were spiked with certain level of recombinant IDI1 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 condition.
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 50µL standard or sample to each well.
    And then add 50µL prepared Detection Reagent A immediately.
    Shake and mix. Incubate 1 hour at 37℃;
3. Aspirate and wash 3 times;
4. Add 100µL prepared Detection Reagent B. Incubate 1 hour at 37℃;
5. Aspirate and wash 5 times;
6. Add 90µL Substrate Solution. Incubate 15-25 minutes at 37℃;
7. Add 50µL Stop Solution. Read at 450 nm immediately.

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