Frozen Section Embedding
Frozen Section Embedding - Related Videos
07:28
Paraffin-Embedded and Frozen Sections of Drosophila Adult Muscles
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Cited by 42 •
2010
Identification of mechanisms underlying muscle damage is crucial. Here we present the histological technique for preparing paraffin-embedded and frozen sections of Drosophila thoracic muscles. This allows analysis of muscle morphology and localization of protein and other muscle cell components.
02:37
Frozen Mouse Brain Tissue Sectioning: A Procedure to Obtain Thin Frozen Tissue Sections from Frozen Murine Brain Tissue
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2023
In this video, we demonstrate the sectioning of a frozen mouse brain tumor tissue using a cryostat. The frozen brain tissue sections so obtained are stored at low temperatures until further analysis.
11:39
Using Unfixed, Frozen Tissues to Study Natural Mucin Distribution
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Cited by 39 •
2012
Unfixed frozen tissue samples embedded in Optimal Cutting Temperature medium (OCT) can be used to study natural distribution and glycosylation of secreted mucus. In this approach tissue processing is minimal and the natural presentation of glycolipids, mucins and glycan-epitopes is preserved. Tissue sections can be analyzed by immunohistochemistry using fluorescence or chromogenic detection.
14:39
Plastic Embedding and Sectioning of Xenopus laevis Embryos
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Cited by 1 •
2007
Plastic sections maintain true tissue morphology in thin sections of tissue that can be immunostained with fluorescent secondary antibodies, making this method more useful than paraffin-embedded or frozen sections for many types of tissue. The method for staining, plastic embedding, and sectioning is demonstrated in this video.
13:58
Probing C84-embedded Si Substrate Using Scanning Probe Microscopy and Molecular Dynamics
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Cited by 1 •
2016
This paper reports the nanomaterial fabrication of a fullerene Si substrate inspected and verified by nanomeasurements and molecular dynamic simulation.
FAQs
Frozen Section Embedding can preserve some cellular structures, lipids, enzymes, and molecular targets that support downstream examination. This preservation broadens its usefulness beyond basic morphology, allowing investigators to combine histological assessment with enzyme-related or molecular analyses. The choice is therefore particularly relevant when rapid preparation and retention of these biological features are both important.
A water-soluble medium such as optimal cutting temperature compound surrounds the specimen and supports its position during rapid freezing and cryostat sectioning. Orientation determines which tissue surfaces appear in the slice and can influence how structures are displayed microscopically. Careful placement therefore helps produce sections that are more informative for the intended biological examination.
Freezing artifacts can reduce the clarity and reliability of microscopic interpretation, while frozen sections may also have lower overall section quality than preparations produced by routine paraffin processing. These limitations matter when cellular details must be evaluated precisely. Results should therefore be interpreted with awareness that the rapid workflow may involve compromises in tissue appearance.
The workflow begins with fresh tissue, which is placed and oriented in a mold. The specimen is surrounded by a water-soluble embedding medium, rapidly frozen, and then transferred to a cryostat for thin sectioning. The resulting slices can undergo staining or related microscopic procedures, depending on whether the goal is histology, immunofluorescence, or research analysis.
Frozen Section Embedding is selected when microscopic results are needed faster than routine paraffin processing can provide. Its rapid preparation makes it useful for intraoperative assessment, where timely tissue evaluation may guide immediate decisions. Researchers may also choose it when preserving lipids, enzymes, or molecular targets is more important than obtaining the highest possible section quality.
Frozen sections support several forms of biological investigation, including histology, immunofluorescence, intraoperative assessment, and research. Stained sections can reveal cellular organization, while preserved molecular targets may support additional analysis. Their value lies in combining rapid access to tissue information with preservation of selected biological features, although freezing artifacts must remain part of the interpretation.