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- 详细信息
- 文献和实验
- 技术资料
- 样本:
液体
- 标记物:
兔子
- 适应物种:
不限
- 应用:
科研单位
- 检测方法:
酶联免疫法
- 检测范围:
不限
- 供应商:
上海瓦兰生物
- 库存:
大量
- 规格:
96T
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 should be centrifugated adequately 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 |
80、40、20、10、5、0 ng/mL.
Reagent preparation
20×wash solution:Dilute with Distilled or deionized water 1:20.
Assay procedure
1. Prepare all reagents 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.
8. Read the Optical Density (O.D.) at 450 nm using a microtiter plate reader within 15 minutes.
Calculation of results
- 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.
- 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.
- 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.
- 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.
- The sensitivity by this assay is 0.1 ng/mL.
- Standard curve
Storage: 2-8℃.
validity: six months.
FOR RESEARCH USE ONLY; NOT FOR THERAPEUTIC OR DIAGNOSTIC APPLICATIONS! PLEASE READ THROUGH ENTIRE PROCEDURE BEFORE BEGINNING!
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 |
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
- 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。
- 自动洗板机:每孔注入洗液350μL,浸泡1min,洗板5次。
- 从室温平衡60min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℃。
- 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;
- 待测样本孔先加待测样本10μL,再加样本稀释液40μL;
- 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。
- 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)。
- 每孔加入底物A、B各50μL,37℃避光孵育15min。
- 每孔加入终止液50μL,15min内,在450nm波长处测定各孔的OD值。
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
- 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。
- 灵敏度:最低检测浓度小于1.0 μg/mL。
- 特异性:不与其它可溶性结构类似物交叉反应。
- 重复性:板内变异系数小于10%、板间变异系数小于15%。
- 贮藏:2-8℃,避光防潮保存。
- 有效期:6个月
- 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。
- 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。
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文献和实验巨噬细胞的生物学效应。该图还表明,激活的单核/巨噬细胞表面更显示多种抗原分子.如MHCI类、MHCⅡ类分子、黏附分子等。近年来已经研制出多种用于鉴定单核/巨噬细胞的单抗,如OKM-1、Mac~120、M01~4等,其中成熟单核/巨噬细胞表达高水平的CDl4分子,被认为是较为特异的表面标志,已用于细胞表型的鉴定图2―13 成熟中性粒细胞和M甲表达的受体和表面分子A.中性粒细胞;B.Mφ;C.活化的Mφ
免疫细胞膜分子(一):主要组织相容性抗原-- MHC基因结构
associated antigen,Ia)。S区基因可分别编码补体成分(C4和B因子等)、性限制蛋白(sex-Iimited protem,SIP)以及TNF等因子(图5-1) 图5-1小鼠H-2复合体结构示意图 (二)H-2复合体的功能 Kiein于1981年按其功能将MHC基因座分为4类,即Ⅰ类座包括K、D和L座,其编码的分子称为Ⅰ类分子,即K、D和L分子。Ⅱ类座其编码的分子称为Ⅱ类分子即Ia抗原。Ⅲ类座其编码的分子称为Ⅲ类分子(包括血清因子、补体分子
免疫细胞膜分子(一):主要组织相容性抗原-- MHC基因结构
(histocompatibility antigen)或移植抗原(transplantation antigen)。机体内与排斥反应有关的抗原系统多达20种以上,其中能引起强而迅速排斥反应者称为主要组织相容性抗原,其编码基因是一组紧密连锁的基因群,称为主要组织相容性复合体(major histocompatibility complex,MHC)。现已证明,控制机体免疫应答能力与调节功能的基因(immune uesponse gene,Ir gene )也存在于MHC内。因此,MHC不仅与移植排斥反应有关,也广泛参与免疫
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