Microscopy Protocol
Microscopy Protocol - Related Videos
09:26
Experimental Screening Protocols, Immunocytochemistry and Microscopy-based Imaging Techniques for Penium margaritaceum
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2025
This report describes the fundamental methods used to culture and experimentally manipulate the unicellular streptophyte alga, Penium margaritaceum. It also provides fundamental protocols of microscopy-based imaging, including live cell labeling with monoclonal antibodies and other fluorescent probes and scanning electron microscopy.
09:54
A Streamlined Protocol for Single-Molecule Localization Microscopy in Arabidopsis Nuclei
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2026
This protocol presents an efficient workflow for single-molecule localization microscopy imaging of isolated Arabidopsis nuclei, using optimized isolation, fixation, and labeling to achieve reliable nanoscale visualization of chromatin and RNA Polymerase II. This approach can be readily adapted to other chromatin-associated proteins or histone modifications for high-resolution imaging.
10:57
Scanning Electron Microscopy (SEM) Protocols for Problematic Plant, Oomycete, and Fungal Samples
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Cited by 19 •
2017
Problems in the processing of biological samples for scanning electron microscopy observation include cell collapse, treatment of samples from wet microenvironments and cell destruction. Low-cost and relatively rapid protocols suited for preparing challenging samples such as floral meristems, oomycete cysts, and fungi (Agaricales) are compiled and detailed here.
07:42
Super-Resolution Imaging and Shared Management: A Protocol for Confocal Microscopy with Multiplex Detection
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2026
This protocol details the advanced imaging applications, and shared-resource management of a laser-scanning confocal microscope system integrated with a multiplexed array detector for high-resolution cellular and subcellular imaging. The workflow enables multimodal imaging from confocal to super-resolution (~120 nm) within a single platform, making nanoscale visualization more accessible.
10:25
Specimen Preparation, Imaging, and Analysis Protocols for Knife-edge Scanning Microscopy
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Cited by 15 •
2011
The full process from brain specimen preparation to serial sectioning imaging using the Knife-Edge Scanning Microscope, to data visualization and analysis is described. This technique is currently used to acquire mouse brain data, but it is applicable to other organs, other species.
FAQs
Fixation or staining helps distinguish biological components that might otherwise appear similar in an image. These preparation choices create or preserve contrast between host cells, microorganisms, and tissue structures before optical imaging begins. In infection studies, clearer contrast can make pathogen localization and spatial relationships with immune cells easier to observe and analyze.
These imaging conditions influence how biological structures appear and how reliably different samples can be compared. Controlled illumination supports stable contrast, while magnification determines the scale at which cells, microorganisms, or tissue features are examined. Consistent image detection reduces technical variation, strengthening comparisons of cellular responses, immune signaling, or treatment effects.
Quantitative analysis converts visual observations into measurements that can be compared across specimens or experimental conditions. Rather than relying only on descriptive impressions, researchers can assess patterns such as pathogen localization, cellular responses, or treatment-associated changes. When paired with standardized sample handling and imaging, these measurements support reproducible interpretation of immunology and infection experiments.
A typical workflow begins with specimen preparation, followed by fixation or staining when needed, and then imaging under controlled optical conditions. Image detection produces the recorded data, which can subsequently undergo analysis. Keeping these stages standardized helps ensure that observed differences reflect biological variation rather than inconsistent preparation or imaging.
They are useful when investigators need to determine where infectious agents occur, how immune cells are arranged, or how host and pathogen interact within cultured samples or tissues. The same approach can support examination of immune signaling and responses to treatment. Spatial information is especially valuable because it connects biological activity with its location.
By applying the same preparation, imaging, and analysis conditions across treated and comparison samples, researchers can examine differences in cellular responses, pathogen localization, or tissue structure. Standardization makes those comparisons more interpretable. Quantitative image analysis can then help document the magnitude or distribution of changes associated with treatment or infection-related immune activity.