Agarose Hemisphere

An agarose hemisphere is a three-dimensional, hemispherical agarose structure used to position and support biological specimens under controlled laboratory conditions. Agarose forms a porous, water-rich gel as it cools, creating a nonadhesive physical boundary that holds embryos, tissues, or cell aggregates while allowing nutrient and gas diffusion. In developmental biology, this format can help maintain samples in defined orientations for imaging and culture, making cell movements, tissue interactions, and changes in morphology easier to observe. Agarose hemispheres therefore provide a simple, reproducible platform for studying morphogenesis and other spatially organized developmental processes.

Agarose Hemisphere - Related Videos

Education

JoVE Core - Introduction to Psychology

Cerebral Hemispheres

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2024

The human brain, a complex organ, is functionally divided into two cerebral hemispheres—left and right. These hemispheres are interconnected by a structure of paramount importance, the corpus callosum. This substantial bundle of neural fibers is not just a bridge between the hemispheres but a crucial element for the brain's comprehensive functioning. It enables efficient communication between the two hemispheres, allowing each side of the brain to control and receive sensory and motor...

Research

JoVE EoE - Neurophysiology

Recording of Local Field Potential from Both Hemispheres of the Mouse Brain

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2025

This video demonstrates in vivo recording of local field potential (LFP) from bilateral M2 areas of the mouse brain. An anesthetized mouse is secured and prepared for the procedure. To record LFPs, insert microelectrodes into the target coordinates of the bilateral M2 areas, which are responsible for complex motor movements.

Repetitive Transcranial Magnetic Stimulation to the Unilateral Hemisphere of Rat Brain

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Cited by 10 •

2016

We applied repetitive transcranial magnetic stimulation (rTMS) to the unilateral hemisphere of rat brain, by placing a 25-mm figure-8 coil 1 cm lateral to the vertex on the biauricular line and angulating the coil by 45°. An in-house water cooling system was used for rTMS for more than 20 min.

Agarose-Based Preparation of Human Precision-Cut Lung Slices

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2025

In this video, we describe a procedure to inflate isolated human lungs with agarose and prepare human precision-cut lung slices. The prepared ex vivo lung slices can be used for further immunologic experiments.

Ex utero Electroporation and Whole Hemisphere Explants: A Simple Experimental Method for Studies of Early Cortical Development

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Cited by 14 •

2013

This protocol describes an improved explant procedure that involves ex utero electroporation, dissection and culture of entire cerebral hemispheres from the embryonic mouse. The preparation facilitates pharmacological studies and assays of gene function during early cortical development.

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