计算溶液所需的质量、体积或浓度。
BioReagent,显色剂,用于显微镜,适用于免疫组织化学(for IHC) 级 ,适用于对基线干扰要求严格的色谱和分析工作流程。
避光,-20°C储存,避免反复冻融。超低温运输 。请查阅批次 COA 获取详细规格。
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在色谱分析、有机合成和交叉偶联反应领域已被 0 篇同行评审文献引用。
DAB显色试剂盒(DAB Chromogenic Reagent Kit)是一种借助辣根过氧化物酶(HRP),用于免疫组化显色、原位杂交显色或Western、Southern、Northern、EMSA等膜显色的试剂盒。
DAB(3,3'-二氨基联苯胺)在存在过氧化物的条件下与HRP反应,在过氧化物酶偶联抗体与样品结合的位置产生不溶性棕色产物。该棕色沉淀不溶于水和乙醇,可用于正常脱水封片。
产品组分
D1505853 | Components | 20 mL | 100 mL | Storage |
D1505853A | DAB Chromogenic Solution A | 10 mL | 50 mL | -20℃. Store in the dark. |
D1505853B | DAB Chromogenic Solution B | 10 mL | 50 mL | -20℃. Store in the dark. |
使用方法
1. 对于组织切片或蛋白质印记膜,在与辣根过氧化物酶(HRP)标记的抗体或其它形式的探针孵育后,用适当洗涤液洗涤3-5次,每次3-5分钟;
2. 将溶液A、B按照1:1的比例混合均匀,即为DAB工作液,建议4h内使用;
3. 向组织切片或膜上加入适量DAB显色工作液,确保能充分覆盖样品;
4. 室温避光孵育3-30分钟或更长时间(可长达24小时),直至显色至预期深浅;
5. 去除DAB染色工作液,用蒸馏水洗涤1-2次即可终止显色反应;
6. 对于组织切片或细胞样品,显色反应终止后可对其进行其他染料(常用苏木素染色液)复染。对于膜,显色反应终止后,可以室温晾干避光保存。
注:溶液解冻后可根据实验需求进行分装,若溶液变成棕色,说明该组分的有效成分已失效, 请勿使用。
注意事项
1. -20℃保存,避免反复冻融;
2. DAB对人体有害,操作时请小心,并注意有效防护以避免直接接触人体或吸入体内;
3. 本产品仅供科研使用。请勿用于医药、临床诊断或治疗,食品及化妆品等用途。请勿存放于普通住宅区;
4. 为了您的安全和健康,请穿好实验服并佩戴一次性手套和口罩操作。
The DAB Chromogenic Reagent Kit is designed for detecting targets in immunohistochemistry (IHC), in situ hybridization, and membrane-based assays such as Western, Southern, Northern blotting, and EMSA, utilizing Horseradish Peroxidase (HRP).
In this reaction, 3,3'-Diaminobenzidine (DAB) is oxidized by HRP in the presence of a peroxide substrate, generating an insoluble brown precipitate at the sites where the HRP-conjugated antibody is bound. This precipitate is insoluble in water and ethanol, making it compatible with standard dehydration and mounting procedures for permanent preservation.
Kit Contents
D1505853 | Components | 20ml | 100ml | Storage |
D1505853A | DAB Chromogenic Solution A | 10ml | 50ml | -20℃. Store in the dark. |
D1505853B | DAB Chromogenic Solution B | 10ml | 50ml | -20℃. Store in the dark. |
Usage method
1. For tissue sections or protein blotting membranes, after incubation with horseradish peroxidase (HRP)-labeled antibodies or other forms of probes, wash them 3-5 times with the appropriate washing solution for 3-5 minutes each time.
2. Mix solution A and B in a 1:1 ratio to obtain the DAB working solution. It is recommended to use it within 4 hours.
3. Add an appropriate amount of DAB staining working solution to the tissue sections or membranes to ensure full coverage of the samples.
4. Incubate at room temperature in the dark for 3-30 minutes or longer (up to 24 hours) until the color development reaches the desired depth.
5. Remove the DAB staining working solution and wash 1-2 times with distilled water to terminate the staining reaction.
6. For tissue sections or cell samples, after the staining reaction is terminated, they can be re-stained with other dyes (commonly hematoxylin staining solution). For membranes, after the staining reaction is terminated, they can be air-dried at room temperature and stored in the dark.
Note:After thawing, the solution can be aliquoted as needed for the experiment. If the solution turns brown, it indicates that the active ingredient of this component has deteriorated and should not be used.
Matters needing attention:
1. DAB is harmful to the human body. Please handle it with care and take effective protective measures to avoid direct contact with the body or inhalation into the body.
2. This product is for scientific research only. Do not use it for medical purposes, clinical diagnosis or treatment, food or cosmetic purposes. Do not store it in ordinary residential areas.
3. For your safety and health, please wear laboratory coats and wear disposable gloves and masks when operating.
通过匹配包装上的批号来查找并下载产品的 COA,每批产品都进行了严格的验证,您可放心使用!
| 批号(Lot Number) | 证书类型 | 货号 |
|---|---|---|
| 分析证书 | D1505853 | |
| 分析证书 | D1505853 | |
| 分析证书 | D1505853 | |
| 分析证书 | D1505853 |
我们的级别选择指南涵盖了目录中所有的变体的纯度、稳定剂状态和应用适用性。
查看 BioReagent 级别指南 → 查看 for Microscopy 级别指南 → 查看 Chromogenic agent 级别指南 → 查看 Suitable for Immunohistochemistry(IHC) 级别指南 →