Gelatin Filling
Gelatin Filling - Related Videos
10:45
Finding Your Blind Spot and Perceptual Filling-in
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2023
Source: Laboratory of Jonathan Flombaum—Johns Hopkins University In the back of everyone's eye is a small piece of neural tissue called the retina. The retina has photosensitive cells that respond to stimulation by light. The responses of these cells are sent into the brain through the optic nerve, a bundle of neural fibers. In each retina there is a place somewhere in the periphery where the outputs from retinal cells collect and the bundled optic nerve exits to the brain. At that location,...
09:11
Alternating Magnetic Field-Responsive Hybrid Gelatin Microgels for Controlled Drug Release
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Cited by 10 •
2016
We present a facile method to fabricate a biodegradable gelatin-based drug release platform that is magneto-thermally responsive. This was achieved by incorporating superparamagnetic iron oxide nanoparticles and poly(N-isopropylacrylamide-co-acrylamide) within a spherical gelatin micro-network crosslinked by genipin, in conjunction with an alternating magnetic field application system.
07:33
A Novel Culture Model for Human Pluripotent Stem Cell Propagation on Gelatin in Placenta-conditioned Media
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Cited by 5 •
2015
This protocol provides a simple and efficient way to propagate human pluripotent stem cells (hPSCs) using only conditioned media derived from the human placenta in a gelatin-coated dish without additional exogenous supplementation or hPSC-specific synthetic substrata.
07:04
Synthesis of Strong Adhesive Hydrogel, Gelatin O-Nitrosobenzaldehyde
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Cited by 1 •
2022
The protocol presented here shows the synthesis of a strong adhesive hydrogel gelatin o-nitrosobenzaldehyde (gelatin-NB). Gelatin-NB has rapid and efficient tissue adhesion ability, which can form a strong physical barrier to protect wound surfaces, so it is expected to be applied to the field of injury repair biotechnology.
08:54
Immunostaining of Biocytin-filled and Processed Sections for Neurochemical Markers
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Cited by 28 •
2016
This protocol presents a method for the morphological recovery of neurons patched during electrophysiological recordings using biocytin filling and subsequent immunohistochemical postprocessing. We show that thick biocytin-filled sections that were stained and coverslipped can be restained with a second primary antibody days or months later.
FAQs
Temperature controls whether the gelatin can be introduced or provide support. When warmed, gelatin dissolves and becomes fluid enough to occupy a prepared cavity or structure. As it cools, it forms a semisolid, water-rich matrix that stabilizes the filled region. This temperature-dependent transition lets researchers move between placement and support without permanently changing the surrounding material.
The cooled gelatin matrix provides physical support while retaining a hydrated environment. Its semisolid form can help hold delicate features in their existing positions, maintaining the sample’s shape and spatial organization during handling, imaging, or analysis. Because the matrix is water-rich rather than rigid, it supports the structure without requiring permanent alteration of the surrounding biological material.
Reversibility comes from gelatin’s response to temperature. Cooling produces the supporting semisolid state, while warming allows the material to dissolve again. This means researchers can stabilize a structure temporarily and later modify or remove the support through controlled warming. The reversible behavior is useful when a preparation requires physical assistance without committing the sample to an irreversible support material.
Biocompatibility makes gelatin suitable when researchers need support around biological material while limiting unwanted effects on the surrounding sample. Combined with its reversible gelation, this property allows gelatin to assist specimen preparation and tissue modeling without permanently changing the supported structure. The approach is therefore relevant when preservation of biological organization matters during subsequent imaging or analysis.
A typical workflow begins by warming gelatin until it dissolves, then introducing the fluid material into the selected cavity, vessel, or prepared structure. The sample is subsequently allowed to cool so the gelatin forms a semisolid matrix. Once stabilized, the filled preparation can be handled or examined while the matrix helps maintain its shape and organization.
Researchers may choose this technique when a cavity, vessel, or delicate biological structure needs temporary physical support. It can assist specimen preparation, tissue modeling, and handling before imaging or analysis. The method is especially relevant when maintaining spatial organization is important and when a researcher wants support that can later be altered through gelatin’s temperature-dependent, reversible behavior.
Gelatin filling can help a preparation retain its shape and keep internal features spatially organized during imaging or analysis. The resulting support may make delicate structures easier to handle without permanently modifying the surrounding material. Its value lies in stabilizing the sample sufficiently for examination while preserving the biological arrangement that the analysis is intended to evaluate.