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人甲状腺刺激素抗体;甲状腺刺激免疫球蛋白(TSAb)ELISA 检测试剂盒
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详细内容
2. 实验中不用的板条应立即放回自封袋中,密封(低温干燥)保存。
3. 预处理后的样本无需稀释,直接取 10μL 加样即可。
4. 严格按照说明书中标明的时间、加液量及顺序进行温育操作。
5. 所有液体组分使用前充分摇匀。
试剂盒组成
名称 | 96 孔配置 | 48 孔配置 | 备注 |
微孔酶标板 | 12 孔×8 条 | 12 孔×4 条 | 无 |
标准品 | 0.3mL | 0.3mL | 无 |
样本稀释液 | 6mL | 3mL | 无 |
检测抗体-HRP | 10mL | 5mL | 无 |
20×洗涤缓冲液 | 25mL | 15mL | 按说明书进行稀释 |
底物A | 6mL | 3mL | 无 |
底物B | 6mL | 3mL | 无 |
终止液 | 6mL | 3mL | 无 |
封板膜 | 2 张 | 2 张 | 无 |
说明书 | 1 份 | 1 份 | 无 |
自封袋 | 1 个 | 1 个 | 无 |
注:标准品浓度依次为:20、10、5、2.5、1.25、0 ng/mL.
试剂的准备
20×洗涤缓冲液的稀释:蒸馏水按 1:20 稀释,即 1 份的 20×洗涤缓冲液加 19 份的蒸馏水。
洗板方法
1. 手工洗板:甩尽孔内液体,每孔加满洗涤液,静置 1min 后甩尽孔内液体,在吸水纸上拍干,如此洗板 5 次。
2. 自动洗板机:每孔注入洗液 350μL,浸泡 1min,洗板 5 次。
操作步骤
1. 从室温平衡 20min 后的铝箔袋中取出所需板条,剩余板条用自封袋密封放回 4℃。
2. 设置标准品孔和样本孔,标准品孔各加不同浓度的标准品 50μL;
3. 待测样本孔先加待测样本 10μL,再加样本稀释液 40μL;
4. 随后标准品孔和样本孔中每孔加入辣根过氧化物酶(HRP)标记的检测抗体 100μL,用封板膜封住反应孔,37℃水浴锅或恒温箱温育 60min。
5. 弃去液体,吸水纸上拍干,每孔加满洗涤液,静置 1min,甩去洗涤液,吸水纸上拍干,如此重复洗板 5 次(也可用洗板机洗板)。
6. 每孔加入底物A、B 各 50μL,37℃避光孵育 15min。
7. 每孔加入终止液 50μL,15min 内,在 450nm 波长处测定各孔的 OD 值。
结果判断
绘制标准曲线:在 Excel 工作表中,以标准品浓度作横坐标,对应OD 值作纵坐标,绘制出标准品线性回归曲线,按曲线方程计算各样本浓度值。
试剂盒性能
1. 准确性:标准品线性回归与预期浓度相关系数 R 值,大于等于0.9900。
2. 灵敏度:检测浓度小于 0.1 ng/mL。
3. 特异性:不与其它可溶性结构类似物交叉反应。
4. 重复性:板内变异系数小于 10%、板间变异系数小于 15%。
5. 贮藏:2-8℃,避光防潮保存。
6. 有效期:6 个月
免责声明
1. 试剂盒仅供研究使用,不得用于临床实验或人体实验,否则所产生的一切后果,由实验者承担,本公司概不负责。
2. 严格按照说明书操作,实验者违反说明书操作,后果由实验者承担。
FOR RESEARCH USE ONLY.
NOT FOR USE IN DIAGNOSTIC PROCEDURES.
Human Thyroid stimulating antibody (TSAb) ELISA Kit instruction
Intended use
This TSAb 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 TSAb in the sample, this TSAb 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 TSAb concentration. The concentration of TSAb 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 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 30 minutes 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 supplied
Name | 96 determinations | 48 determinations |
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 |
Note: Standard concentration was followed by: 20、10、5、2.5、1.25、0 ng/mL.
Reagent preparation
20×wash solution:Dilute with Distilled or deionized water 1:20.
Assay procedure
1. Prepare all r eagen t s before starting assay procedure. It is recommended that all Standards and Samples be added in duplicate to the Microelisa Stripplate.
2. Add standard: Set Standard wells, testing sample wells. Add standard 50μl to standard well.
3. Add Sample: Add testing sample 10μl Then add sample diluent 40μl to testing sample well; Blank well doesn’t add anyting.
4. Add 100μl of HRP-conjugate reagent to each well, cover with an adhesive strip and incubate for 60 minutes at 37°C.
5. Aspirate each well and wash, repeating the process four times for a total of five washes. Wash by filling each well with Wash Solution (400μl) using a squirt bottle, manifold dispenser or autowasher. Complete removal of liquid at each step is essential to good performance. After the last wash, remove any remaining Wash Solution by aspirating or decanting. Invert the plate and blot it against clean paper towels.
6. Add chromogen solution A 50μl and chromogen solution B 50μl to each well.
Gently mix and incubate for 15 minutes at 37°C. Protect from light.
7. Add 50μl Stop Solution to each well. The color in the wells should change from blue to yellow. If the color in the wells is green or the color change does not appear uniform, gently tap the plate to ensure thorough mixing.
本试剂盒只能用于科学研究,不得用于医学诊断