Microwave Antigen Retrieval
Microwave Antigen Retrieval - Related Videos
09:38
Heat-Induced Antigen Retrieval: An Effective Method to Detect and Identify Progenitor Cell Types during Adult Hippocampal Neurogenesis
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Cited by 23 •
2013
During adult hippocampal neurogenesis, a distinct set of genetic markers are expressed when a quiescent neural stem cell sequentially progresses and develops into a functionally integrated neuron in the circuit. Using heat-induced antigen retrieval, progenitor cell types that are otherwise difficult to detect are identified with improved effectiveness.
10:48
SDS-PAGE/Immunoblot Detection of Aβ Multimers in Human Cortical Tissue Homogenates using Antigen-Epitope Retrieval
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Cited by 26 •
2010
We describe a technique for the preparation of clarified human cortical homogenates, protein separation by SDS-PAGE, antigen retrieval and immunoblotting with an antibody to the Aβ peptide. Using this protocol, we consistently detect monomeric and multimeric Aβ in cortical tissue from humans with Alzheimer's pathology.
07:17
Non-equilibrium Microwave Plasma for Efficient High Temperature Chemistry
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Cited by 8 •
2017
This article describes a flowing microwave reactor that is used to drive efficient non-equilibrium chemistry for the application of conversion/activation of stable molecules such as CO2, N2 and CH4. The goal of the procedure described here is to measure the in situ gas temperature and gas conversion.
08:42
Retrieval of Mouse Oocytes
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Cited by 13 •
2007
This protocol illustrates the technique for extracting oocytes or early-stage fertilized embryos from the oviduct of mice. The ability to identify the infindibulum and insert a blunt end needle into it is essential to correctly performing the procedure.
08:42
How to Ignite an Atmospheric Pressure Microwave Plasma Torch without Any Additional Igniters
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Cited by 26 •
2015
This movie shows how an atmospheric plasma torch can be ignited by microwaves with no additional igniters and provides a stable and continuous plasma operation suitable for plenty of applications.
FAQs
Formaldehyde fixation can mask antibody-binding sites by creating cross-links that limit access to epitopes, the protein regions recognized by antibodies. Microwave heating in an appropriate buffer helps reverse or weaken those fixation-related interactions, making the targeted sites more accessible without changing the antibody itself. This mechanism explains why retrieval is performed before staining preserved tissue.
The retrieval buffer provides the chemical setting for microwave heating and tissue treatment. Its suitability matters because the goal is to weaken fixation-associated masking while preserving the specimen for subsequent antibody labeling. In practice, buffer selection is part of method optimization, especially when comparing staining intensity or consistency across preserved samples.
Microwave Antigen Retrieval can increase the amount of target signal detected after fixation, making staining more intense and consistent. The improvement reflects greater exposure of antibody-recognized epitopes rather than a change in the biological amount of protein in the specimen. That distinction is important when interpreting tissue patterns, because retrieval improves detection of existing targets.
Both immunohistochemistry and immunofluorescence depend on antibodies recognizing targets in preserved tissue sections, so masked sites can reduce visualization. Applying retrieval beforehand can improve access to host immune markers, microbial antigens, and infection-related proteins in either staining approach. The shared preparatory purpose is to make fixation-affected antibody-binding sites more available for detection.
A basic workflow places Microwave Antigen Retrieval after tissue preservation and before immunohistochemistry or immunofluorescence. The specimen is treated in a suitable retrieval buffer while microwave energy rapidly heats it, then proceeds to antibody-based staining. This sequence matters because retrieval must occur before antibodies are expected to recognize sites that fixation may have masked.
In immunology and infection studies, the method supports visualization of host immune markers, microbial antigens, and infection-related proteins in tissue sections. Those signals can help researchers examine cellular responses, pathogen distribution, and disease-associated changes within preserved specimens. Its value is therefore both technical and interpretive: improved detection can make tissue-level patterns more reliable to assess.