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Human MIG ELISA Kit
For the quantitative in vitro determination of Human monokine induced by interferon-gamma concentrations in
serum - plasma - celiac fluid - tissue homogenate - body fluid
Catalogue Number: SU-B10060
FOR LABORATORY RESEARCH USE ONLY.
NOT FOR USE IN DIAGNOSTIC PROCEDURES.
This package ｉnsert must be read in its entirety before using thisproduct.
ELISA
ENZYME LINKED IMMUNOSORBENT ASSAY
INTENDED USE AND TEST PRINCIPLE
This MIG 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 MIG in the sample, this MIG 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 MIG concentration. The concentration of MIG in the samples is then determined by comparing the O.D. of the samples to the standard curve.
SAMPLE COLLECTION AND STORAGES
Serum-Use a serum separator tube ａnd allow samples to clot for 2 hours at room temperature or overnight at 4℃before centrifugation for 20 minutes at approximately 2000×g. Remove serum ａnd assay immediately or aliquot ａnd store samples at -20℃.Avoid repeated freeze-thaw cycles
Plasma-Collect plasma using heparin as an anticoagulant. Centrifuge samples for 30minutes at 2000×g at 2-8℃ within 30 minutes of collection. Store samples at -20℃. Avoid repeated freeze-thaw cycles.
Cell culture supernates, tissue homogenateand other biological fluids -Remove particulates by centrifugation ａnd assay immediately or aliquot ａnd store samples at -20℃. 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. 37 ℃ incubator
2. Standard microplate readercapable of measuring absorbance at 450 nm
3. Precision pipettes, disposable pipette tipsand Absorbent paper
4. Distilled or deionized water
REAGENTS PROVIDED
| All reagents provided are stored at 2-8°C. Refer to the expiration date on the label. Name | 96determinations | 48 determinations |
| MICROTITER PLATE | 8*12strips | 8*6strips |
| STANDARD（6 vial） | 0.3ml/vial | 0.3ml/vial |
| SAMPLE DILUENT | 6.0ml | 3.0ml |
| ENZYME CONJUGATE | 10.0ml | 5.0ml |
| WASH SOLUTION | 25ml | 15ml |
| SUBSTRATEA | 6.0ml | 3.0ml |
| SUBSTRATEB | 6.0ml | 3.0ml |
| STOP SOLUTION | 6.0ml | 3.0ml |
| Closure plate membrane | 2 | 2 |
| User manual | 1 | 1 |
| Sealed bags | 1 | 1 |
Note:
1. Standard concentrationwas followed by:2400,1200,600,300,150,75pg/mL.
2. Ifsamplesgeneratevalueshigherthanthehigheststandard, pleasedilutethesampleswithSampleDiluentandrepeattheassay.
PRECAUTIONS
1. Do not substitute reagents from one kit lot to another. Standard, conjugate ａnd microtiter plates are matched for optimal performance. Use only the reagents supplied by manufacturer.
2. Allow kit reagents ａnd materials to reach room temperature (20-25°C) before use. Do not use water baths to thaw samples or reagents.
3. Do not use kit components beyond their expiration date.
4. Use only deionized or distilled water to dilute reagents.
5. Do not remove microtiter plate from the storage bag until needed. Unused strips should be stored at 2-8°C in their pouch with the desiccant provided.
6. Use fresh disposable pipette tips for each transfer to avoid contamination.
7. Do not mix acid ａnd sodium hypochlorite solutions.
8. Serum ａnd plasma should be handled as potentially hazardous ａnd capable of transmitting disease. Disposable gloves must be worn during the assay procedure, since no known test method can offer complete assurance that products derived from Rat blood will not transmit infectious agents. Therefore, all blood derivatives should be considered potentially infectious ａnd good laboratory practices should be followed.
9. All samples should be disposed of in a manner that will inactivate viruses.
10. Liquid Waste: Add sodium hypochlorite to a final concentration of 1.0%. The waste should be allowed to stand for a minimum of 30 minutes to inactivate the viruses before disposal.
11. Substrate Solution is easily contaminated. If bluish prior to use, do not use.
12. Substrate B contain 20% acetone, keep this reagent away from sources of heat or flame.
13. Remove all kit reagents from refrigerator ａnd allow them to reach room temperature ( 20-25°C).
REAGENT PREPARATION AND STORAGE
Wash Solution(1X) -Dilute 1 volume of Wash solution(20X) with 19volumes of deionized or distilled water. Wash Solutionis stable for 1 month at 2-8°C.
ASSAY PROCEDURE
1. Prepare all reagents before starting assay procedure. It is recommended that all Standards ａnd Samples be added in duplicate to the Microtiter plate.
2. Add 50μl of Standard or Sample to the appropriate wells. Blank welldoesn’t add anyting.
3. Add 100μl of Enzymeconjugate to standard wellsand sample wells except the blank well, cover with anadhesive stripand incubate for 60 minutes at 37°C.
4. Wash the Microtiter Plate 4 times.
Manual Washing - Remove incubation mixture by aspirating contents of the plate into a sink or proper waste container. Using a squirt bottle, fill each well completely with Wash Solution (1X), then aspirate contents of the plate into a sink or proper waste container. Repeat this procedure for a total of four times. After final wash, invert plate, ａnd blot dry by hitting plate onto absorbent paper or paper towels until no moisture appears. Note: Hold the sides of the plate frame firmly when 5
washing the plate to assure that all strips remain securely in frame.
Automated Washing - Aspirate all wells, then wash plates four times using Wash Buffer (1X). Always adjust your washer to aspirate as much liquid as possible ａnd set fill volume at 350μL/well/wash. After final wash, invert plate, ａnd blot dry by hitting plate onto absorbent paper or paper towels until no moisture appears.
5. Add SubstrateA 50μl ａnd SubstrateB 50μl to each well.Gently mix ａnd incubate for 15 minutes at 37°C. Protect from light.
6. Add 50μl Stop Solution to each well. The color in the wells should change from blue toyellow. If the color in the wells is green or the color change does notappear uniform,gently tap the plate to ensure thorough mixing.
7. 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 (X) axis versus the corresponding concentration on the horizontal (Y) 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 balnk well 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. Intra-assay CV(%) ａnd Inter-assay CV（％）are less than 15%.
6. Assay range: 75 pg/mL– 2400 pg/mL.
7. Sensitivity: The minimum detectable dose of Human MIG is typically less than 10 pg/mL.
8. Cross-reactivity: This assay recognizes recombinant ａnd natural Human MIG. No significant cross-reactivity or interference was observed. 6
9. Storage: 2-8℃ (Use frequently); six months (-20℃)。
10.Standard curve
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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