Glass Microbeads
Glass Microbeads - Related Videos
05:54
Microbead Implantation in the Zebrafish Embryo
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Cited by 8 •
2015
The zebrafish is an excellent model system for genetic and developmental studies. Bead implantation is a valuable tissue manipulation technique that can be used to interrogate developmental mechanisms by introducing alterations in local cellular environments. This protocol describes how to perform microbead implantation in the zebrafish embryo.
03:08
Fabrication of Amyloid-Beta-Releasing Polymer Microbeads for Modeling Alzheimer's Disease
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2025
This video demonstrates a method for fabricating polymer microbeads that encapsulate neurotoxic amyloid-beta-secreting cells. The cell-polymer suspension is processed through a microbead fabrication device, with polymer gelation achieved via calcium cross-linking, forming spherical microbeads around the cells. The polymer allows cell proliferation while allowing controlled, long-term amyloid-beta release, simulating its accumulation in Alzheimer's disease.
05:51
Intracerebroventricular and Intravascular Injection of Viral Particles and Fluorescent Microbeads into the Neonatal Brain
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Cited by 18 •
2016
Here, we describe a simple method of intracerebroventricular and intravascular injection of viral particles or fluorescent microbeads into the neonatal mouse brain. The localization pattern of the virus and nanoparticles could be detected by microscopic evaluation or by in situ hybridization.
01:28
The Looking Glass Self
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2025
The concept of the looking-glass self describes how an individual's self-concept is shaped by their perception of how others see them. This psychological theory, first introduced by sociologist Charles Horton Cooley in 1902, posits that self-identity emerges in a social context and is influenced by the judgments—real or imagined—of others.Research suggests that individuals frequently overestimate how positively others perceive them. This is particularly evident in physical self-perception,...
09:26
A Magnetic Microbead Occlusion Model to Induce Ocular Hypertension-Dependent Glaucoma in Mice
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Cited by 71 •
2016
Here, we present a protocol to induce ocular hypertension in the murine eye that results in the loss of retinal ganglion cells as observed in glaucoma. Magnetic microbeads are injected into the anterior chamber and attracted to the iridocorneal angle using a magnet to block the outflow of aqueous humour.
FAQs
Reactive silanol groups provide sites where biomolecules can adsorb or where researchers can attach chemical functional groups. This makes the particle surface adjustable without changing the bead’s basic spherical geometry. In neuroscience experiments, controlling these surface interactions helps investigators examine how neuronal cells respond to particular material cues and distinguish surface effects from differences in particle size or shape.
Uniform size and spherical shape reduce physical variability between particles. Because geometry remains relatively consistent, differences in neuronal adhesion, cellular uptake, transport, or phagocytosis can be interpreted more confidently as effects of surface chemistry or experimental conditions. This standardization is especially useful when comparing particle-based measurements across samples, imaging fields, or microfluidic environments.
Defined density influences how particles settle and how readily they can be handled during laboratory measurements. Predictable settling supports more consistent positioning in samples and can help researchers interpret particle distribution during imaging or cell-interaction studies. Keeping density controlled therefore reduces an experimental variable that might otherwise complicate comparisons of transport, adhesion, or phagocytic behavior.
Surface functionalization allows researchers to modify which biomolecular cues are presented at the bead interface. Comparing functionalized and untreated surfaces can show whether neuronal adhesion, cellular interaction, or particle uptake depends on surface chemistry rather than particle geometry alone. This approach supports more targeted studies of how neural cells recognize and respond to engineered material interfaces.
They can be introduced as standardized substrates or carriers in assays examining neuronal adhesion, cell–material interactions, transport, and phagocytosis. Their controlled physical properties make them suitable for measurements in microfluidic systems and imaging-based experiments. The specific workflow depends on the biological question, but the beads provide a consistent particle platform for comparing cellular responses under defined conditions.
These particles are useful when an experiment requires trackable, consistently shaped objects whose handling and settling behavior are predictable. In microfluidic assays, controlled particle properties support studies of transport and distribution, while imaging assays can examine their association with neural cells or cellular uptake. Their standardization helps connect observed patterns to biological interactions rather than particle-to-particle variation.
Glass microbeads provide defined particles that can be presented to cells while size, shape, density, and surface chemistry are controlled separately. Researchers can then examine whether cellular particle handling changes when the surface is altered or when other experimental conditions vary. This makes the beads useful for investigating phagocytic interactions and comparing cellular responses across reproducible particle conditions.