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技術(shù)文章

大鼠NAG檢測(cè)試劑盒英文說明書

點(diǎn)擊次數(shù):17645   發(fā)布時(shí)間:2016/10/20 16:36:39

 FOR RESEARCH USE ONLY.

NOT FOR USE IN DIAGNOSTIC PROCEDURES.

RatN-acetyl-β-D-glucosaminidase(NAG)ELISA Kit instruction

Intended use

This NAG ELISA kit is intended Laboratory for Research use only and is not for use in diagnostic or therapeutic procedures. The Stop Solution changes the color from blue to yellow and the intensity of the color is measured at 450 nm using a spectrophotometer. In order to measure the concentration of NAG in the sample, this NAG ELISA Kit includes a set of calibration standards. The calibration standards are assayed at the same time as the samples and allow the operator to produce a standard curve of Optical Density versus NAG concentration. The concentration of NAG in the samples is then determined by comparing the O.D. of the samples to the standard curve.

Samplecollection and storages

Serum-Use a serum separator tube and allow samples to clot for 30 minutes before centrifugation for 10 minutes at approximately 3000×g. Remove serum and assay immediately or aliquot and store samples at -20℃ or -80℃.Avoid repeated freeze-thaw cycles

Plasma-Collect plasma using EDTA or heparin as an anticoagulant. Centrifuge samples for 30minutes at 3000×g at 2-8℃ within 30 minutes of collection. Store samples at -20℃or -80℃. Avoid repeated freeze-thaw cycles.

Cell culture supernates and other biological fluids-Remove particulates by centrifugation and assay immediately or aliquot and store samples at -20℃or -80℃. Avoid repeated freeze-thaw cycles.

Note: The samples shoule be centrifugated dequately and no hemolysis or granule was allowed.

Materials required but not supplied

1.  Standard microplate reader(450nm)

2.  Precision pipettes and Disposable pipette tips.

3.  37 ℃ incubator

Precautions

1. Do not substitute reagents from one kit to another. Standard, conjugate and microplates are matched for optimal performance. Use only the reagents supplied by manufacturer.

2. Do not remove microplate from the storage bag until needed. Unused strips should be stored at 2-8°C in their pouch with the desiccant provided.

3. Mix all reagents before using.

Remove all kit reagents from refrigerator and allow them to reach room temperature ( 20-25°C)

Materials suppliedName

96determinations

48determinations

Microelisa stripplate

12*8strips

12*4strips

Standard

0.3ml

0.3ml

Sample diluent

6.0ml

3.0ml

HRP-Conjugate reagent

10.0ml

5.0ml

20X Wash solution

25ml

15ml

Chromogen Solution A

6.0ml

3.0ml

Chromogen Solution B

6.0ml

3.0ml

Stop Solution

6.0ml

3.0ml

Closure plate membrane

2

2

User manual

1

1

Sealed bags

1

1

8. Read the Optical Density (O.D.) at 450 nm using a microtiter plate reader within 15 minutes.

Calculation of results

1. This standard curve is used to determine the amount in an unknown sample. The standard curve is generated by plotting the average O.D. (450 nm) obtained for each of the six standard concentrations on the vertical (Y) axis versus the corresponding concentration on the horizontal (X) axis.

2. First, calculate the mean O.D. value for each standard and sample. All O.D. values, are subtracted by the mean value of the zero standard before result interpretation. Construct the standard curve using graph paper or statistical software.

3. To determine the amount in each sample, first locate the O.D. value on the Y-axis and extend a horizontal line to the standard curve. At the point of intersection, draw a vertical line to the X-axis and read the corresponding concentration.

4. Any variation in operator, pipetting and washing technique, incubation time or temperature, and kit age can cause variation in result. Each user should obtain their own standard curve.

5. The sensitivity by this assay is10ng/L.

6. Standard curve

 

Storage2-8.

validitysix months.

FOR RESEARCH USE ONLY; NOT FOR THERAPEUTIC OR DIAGNOSTIC APPLICATIONS!PLEASE READ THROUGH ENTIRE PROCEDURE BEFORE BEGINNING!

原創(chuàng)作者:上海極威生物科技有限公司

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