Brain Matrix Technique
Brain Matrix Technique - Related Videos
11:35
Fabrication of an Expandable Brain Matrix Customizable Across Developmental Stages
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2026
An innovative method to build expandable brain matrices to cut either coronal or sagittal slices is described for application to neonatal piglets. This budget-friendly approach utilizes acrylic plates carved using templates from agarose gel brain molding, applies to multiple species, and allows for expansion to accommodate brain growth.
03:08
Embedding Drosophila Brain in a Matrix for Time-Lapse Imaging of the Circadian Clock Neurons
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2025
Source: Sabado, V., et al., Nagoshi, E. Single-cell Resolution Fluorescence Live Imaging of Drosophila Circadian Clocks in Larval Brain Culture. J. Vis. Exp. (2018). This video demonstrates the procedure to embed the Drosophila brain in a fibrin matrix, followed by time-lapse fluorescence imaging of circadian clock neurons to analyze rhythmic activity synchronized with light/dark cycles.
02:22
Cryomilling of Decellularized Tissue: A Technique to Obtain Fine Extracellular Matrix Powder
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2023
In this video, we present the protocol to obtain finely ground extracellular matrix powder from lyophilized decellularized tissue by cryomilling. The powdered ECM retains its biochemical composition and can be used for microcarrier synthesis.
08:36
Sublimation of DAN Matrix for the Detection and Visualization of Gangliosides in Rat Brain Tissue for MALDI Imaging Mass Spectrometry
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Cited by 43 •
2017
A protocol for the sublimation of DAN matrix onto rat brain tissue for the detection of gangliosides using MALDI Imaging Mass Spectrometry is presented.
04:25
A Technique to Generate Brain Organoids from Human Embryonic Stem Cells
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2025
This video demonstrates a technique for generating cerebral organoids from human embryonic stem cells (hESCs). The adherent culture of hESC colonies is treated with enzymes to detach and break them into clusters. These clusters form three-dimensional spheres in suspension, which are then induced to differentiate into organoids that mimic the brain cortex with layers of neurons and glial cells.
FAQs
Guide slots constrain the razor or blade to selected cutting planes, allowing sections to be made at defined intervals rather than at inconsistent angles. This physical guidance helps maintain a comparable rostrocaudal sequence across specimens. As a result, researchers can localize sampled tissue more reliably and compare corresponding anatomical regions during later analyses.
Rostrocaudal orientation preserves the brain’s position along its anatomical axis, which is essential when relating a section to a particular region or neural circuit. Maintaining this orientation makes structural observations easier to interpret across specimens. It also supports comparisons between anatomical findings, disease-related changes, and experimental outcomes without losing the section’s positional context.
Consistency depends on positioning the excised brain within the matrix, aligning it with the guide system, and using the designated intervals for cutting. The blade follows the available slots, so accurate placement and preservation of orientation directly affect localization. Careful attention to these elements improves reproducibility when sections are compared across specimens.
The workflow begins with an excised brain being positioned in the brain matrix so its anatomical orientation is maintained. A razor or blade is then placed through the appropriate guide slot to create cuts at defined intervals. The resulting sections can be collected for downstream structural examination or for sampling selected regions of interest.
Standardized sections can support histology, immunohistochemistry, and microscopy when researchers need to examine tissue structure or localized labeling. The same preparation can also provide material for electrophysiology or targeted tissue sampling. Choosing among these applications depends on the experimental question and whether the study emphasizes anatomy, cellular markers, functional measurements, or a selected brain region.
By placing corresponding anatomical regions at more consistent positions, the method helps researchers compare structural findings between specimens. Those comparisons can be related to neural circuits, disease-related changes, or other experimental outcomes. Its value lies in connecting observations from a defined tissue location with the broader neuroscience question being investigated.