主题

TSA

用于检测、定量和定位抗原与抗体的技术——ELISA、免疫印迹、免疫组化与流式细胞术。以下是我们知识库中标注该主题的实验方案、常见问题与技术文章。

8 项资源 · 实验方案、常见问题与文章
article

Practical Guide to TSA Tyramide Signal Amplification: How to Select Reagents, Optimize the Workflow, and Reduce Background When Detection Signals Are Weak for Low-Abundance Targets

TSA, or Tyramide Signal Amplification, is a signal amplification technique based on HRP (Horseradish Peroxidase)-catalyzed reactions. It is commonly used in IHC (Immunohistochemistry), ICC (Immunocytochemistry), ISH (In Situ Hybridization), FISH (Fluorescence In Situ Hybridization), and ...

更新于 2026年7月阅读12分钟
article

TSA 酪胺信号放大实用指南:低丰度靶标检测信号弱时,如何选试剂、优化流程、降低背景?

TSA(Tyramide Signal Amplification,酪胺信号放大)是一种基于 HRP(Horseradish Peroxidase,辣根过氧化物酶)催化反应的信号放大技术,常用于 IHC(Immunohistochemistry,免疫组织化学)、ICC(Immunocytochemistry,免疫细胞化学)、ISH(In Situ Hybridization,原位杂交)、FISH(Fluorescence In Situ Hybridization,荧光原位杂交)和多重免疫荧光检测。TSA ...

更新于 2026年7月阅读12分钟
article

Tyramide Signal Amplification in In Situ Fluorescence Detection

Tyramide Signal Amplification (TSA) is one of the most representative enhancement strategies currently used in in situ fluorescence detection. Its core value is not simply to increase fluorescence intensity, but to convert local signals around low-abundance targets into a high-density, spatially ...

更新于 2026年4月阅读12分钟
article

Multiplex Immunohistochemistry Protocol

Multiplexed immunohistochemistry (mIHC) is an in situ multiple labeling method based on tyramide signal amplification (TSA) technology, which can achieve simultaneous detection of multiple targets (usually 6-8 types) on a single tissue section. Its core principle is to covalently bind the target ...

更新于 2025年4月阅读12分钟
article

多重免疫组化实验方案

多重免疫组化(mIHC)是一种基于酪胺信号放大(TSA)技术的原位多重标记方法,可在单张组织切片上实现多靶点(通常6-8种)的同步检测。其核心原理是通过HRP催化荧光酪胺底物共价结合靶抗原,再通过热修复或抗体洗脱液去除非共价结合的抗体复合物,逐轮更换抗体和荧光染料完成多轮标记。该技术广泛应用于肿瘤微环境分析、免疫细胞空间定位、药物靶点评估等领域。 ...

更新于 2025年4月阅读12分钟

相关主题

常与免疫学实验一起研究的技术。