Human IDS(Iduronate-2-Sulfatase) ELISA Kit

Mfr.No.

ELK3439

Sensitivity

0.057 ng/mL

Detection Range

0.16-10 ng/mL

Reactivity

Human

Assay Duration

3.5h

Assay Type

Sandwich

Alternative Names

MPS2; SIDS; Hunter Syndrome; Idursulfase; Alpha-L-iduronate sulfate sulfatase

Recovery

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

Matrix	Recovery range	Average
serum(n=5)	80-95%	87%
EDTA plasma(n=5)	78-96%	87%
Heparin plasma(n=5)	78-92%	85%

Linearity

The linearity of the kit was assayed by testing samples spiked with appropriate concentration of IDS and their serial dilutions. The results were demonstrated by the percentage of calculated concentration to the expected.

Matrix	1:2	1:4	1:8	1:16
serum(n=5)	85-92%	80-96%	87-98%	95-102%
EDTA plasma(n=5)	98-105%	86-92%	87-93%	95-103%
Heparin plasma(n=5)	91-98%	79-93%	92-101%	82-90%

Typical Data

<table> <tbody><tr> <th>Concentration (ng/mL)</th> <th>OD</th> <th>Corrected OD</th> </tr> <tr> <td>10.00</td> <td>2.043</td> <td>1.954</td> </tr> <tr> <td>5.00</td> <td>1.651</td> <td>1.562</td> </tr> <tr> <td>2.50</td> <td>1.106</td> <td>1.017</td> </tr> <tr> <td>1.25</td> <td>0.836</td> <td>0.747</td> </tr> <tr> <td>0.63</td> <td>0.576</td> <td>0.487</td> </tr> <tr> <td>0.32</td> <td>0.397</td> <td>0.308</td> </tr> <tr> <td>0.16</td> <td>0.234</td> <td>0.145</td> </tr> <tr> <td>0.00</td> <td>0.089</td> <td>0.000</td> </tr> </tbody></table>

Sample Type

Serum, Tissue homogenates, Plasma, Other biological fluids

Limit Of Detection

10 ng/mL

Precision

Intra-assay Precision (Precision within an assay)?CV%<8%
Three samples of known concentration were tested twenty times on one plate to assess intra-assay precision.
Inter-assay Precision (Precision between assays)?CV%<10%
Three samples of known concentration were tested in forty separate assays to assess inter-assay precision.

Usage Notes

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 Human IDS. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Human IDS. 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 Human IDS, 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 Human IDS in the samples is then determined by comparing the OD of the samples to the standard curve.

Protocol

<a href="https://s3.us-west-1.amazonaws.com/s3.biohippo.com/elisakits/elk/ELK3439-1.pdf" target="_blank">Datasheet</a>

UniProt ID	P22304

Applications	ELISA
Research Area	Enzyme & Kinase;

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SKU	Supplier No.	Size	Your price	Quantity
BHE15202924	ELK3439	48T	$320		Add to Cart
BHE15202924	ELK3439	96T	$458		Add to Cart

Human IDS(Iduronate-2-Sulfatase) ELISA Kit

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