Structure Preservation
Structure Preservation - Related Videos
11:55
Cryo-Structured Illumination Microscopic Data Collection from Cryogenically Preserved Cells
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Cited by 18 •
2021
This protocol demonstrates how to image biological cryo-preserved samples using cryo-structured illumination microscopy. We demonstrate the methodology by imaging the cytoskeleton of U2OS cells.
04:09
Processing Insect Legs for Fluorescence Microscopy: A Method to Preserve Neuromuscular Structures for Imaging
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2023
This video describes a method to dissect, fix, and mount the Drosophila adult leg while preserving its neuromusculature intact for imaging analysis.
08:15
Innovative Strategies for Organ Preservation in Heart Transplantation: Uniform Cooling Preservation and Ex-situ Normothermic Perfusion
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2025
Donor heart preservation is a major determinant of success in heart transplantation. Technological advances have led to optimizing the conditions of preservation, along with a more accurate assessment of the donor heart before transplantation. We herein describe two innovative technologies currently applied for cardiac preservation: uniform cooling preservation and normothermic ex-situ heart perfusion.
05:58
Vibratome Sectioning for Enhanced Preservation of the Cytoarchitecture of the Mammalian Organ of Corti
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Cited by 13 •
2011
A simple procedure of vibratome sectioning the organ of Corti, followed by immunohistochemistry and confocal microscopy is described. This procedure allows for improved preservation of the fine cytoarchitecture of the mammalian organ of Corti, and consequently allows for accurate quantification of cell types.
08:07
Regulating Temperature in the Lab: Preserving Samples Using Cold
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2023
Preservation of laboratory samples, specimens, and reagents using extreme cold is routinely performed in biomedical research labs. This video will discuss some of the methods for keeping laboratory samples cold and will explain the correct cooling method to use for each experimental requirement. For example, cooling agents, such as ice and dry ice, are typically used when keeping samples cold during experiments. This video discusses the physical properties of the most commonly used cooling...
FAQs
Chemical fixatives stabilize cellular components and inhibit both autolysis and microbial degradation. This slows changes that can erase or alter tissue organization after collection. The result is a specimen whose cellular relationships remain available for later histological staining and microscopy, allowing medical examination to reflect the tissue’s original condition more reliably.
Prompt fixation limits time-dependent degradation, while controlled processing helps prevent distortion and shrinkage. Careful handling is equally important because mechanical damage can disrupt the architecture needed for examination. Appropriate storage then helps maintain the stabilized specimen. Together, these conditions determine whether observed features represent disease-related changes or preparation-related distortion.
It supports accurate histological staining and microscopy by retaining the organization needed to interpret a biopsy or surgical specimen. When cellular and tissue relationships are maintained, pathologists can examine architecture rather than patterns altered by shrinkage, degradation, or handling damage. This improves the reliability of medical interpretation and supports diagnosis from the submitted specimen.
Tissue architecture lets researchers relate microscopic organization to disease mechanisms, treatment response, and clinical outcomes. Because consistent preservation improves comparability among specimens, findings from different samples can be interpreted on a more stable basis. This is important in biomedical research, where structural differences may be evaluated alongside disease progression or response to treatment.
A practical workflow begins with prompt fixation, followed by controlled processing and appropriate storage. Chemical fixatives stabilize cellular components and limit autolysis and microbial degradation during the initial stage. Processing and handling must remain controlled to reduce shrinkage, distortion, and mechanical damage. This sequence produces material suitable for histological staining, microscopy, and subsequent interpretation.
Biopsy and surgical specimens benefit directly because their diagnosis depends on retaining anatomical, cellular, and tissue relationships. In pathology, preservation enables examination of these structures with staining and microscopy. In biomedical research, the same approach supports comparisons among specimens and helps connect tissue architecture with disease mechanisms, treatment response, and clinical outcomes.