Agarose Microwell Technology
Agarose Microwell Technology - Related Videos
02:25
Photodegradable Hydrogel-Based Isolation of Bacterial Colonies in Microwell Arrays
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2025
Source: Fattahi, N., et al. Photodegradable Hydrogel Interfaces for Bacteria Screening, Selection, and Isolation. J. Vis. Exp. (2021)This video demonstrates the use of photodegradable hydrogels to isolate bacterial colonies within silicon microwell arrays. Bacterial cells are first loaded into microwells, encapsulated in a crosslinked hydrogel, and cultured into distinct colonies. Upon exposure to ultraviolet light, targeted degradation of the hydrogel enables selective extraction of individual...
09:50
Production and Use of Customizable Agarose Molds for Scaffold-Free Mouse Ovarian Follicle Culture
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Cited by 2 •
2025
We describe methods to culture ovarian follicles in a novel scaffold-free agarose mold that complement in vitro gametogenesis.
10:44
Production of Large Numbers of Size-controlled Tumor Spheroids Using Microwell Plates
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Cited by 36 •
2013
We introduce a protocol for the generation of large numbers (thousands to hundreds of thousands) of uniform size- and composition-controlled tumor spheroids, using commercially available microwell plates.
09:24
Assembly and Tracking of Microbial Community Development within a Microwell Array Platform
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Cited by 12 •
2017
The development of microbial communities depends on a combination of factors, including environmental architecture, member abundance, traits, and interactions. This protocol describes a synthetic, microfabricated environment for the simultaneous tracking of thousands of communities contained in femtoliter wells, where key factors such as niche size and confinement can be approximated.
06:28
Aggregate Size Optimization in Microwells for Suspension-based Cardiac Differentiation of Human Pluripotent Stem Cells
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Cited by 11 •
2016
Conventional methods to initiate suspension aggregate based cardiac differentiation of human pluripotent stems cells (hPSCs) are plagued with culture heterogeneity with respect to aggregate size and shape. Here, we describe a robust method for cardiac differentiation employing microwells to generate size-controlled hPSC aggregates cultured under cardiac-promoting conditions.
FAQs
Agarose microwell technology promotes consistency by separating cells into individual microscopic wells, where their local starting arrangement is controlled. The agarose surface limits attachment, while cell-cell adhesion supports aggregation within each well. This combination helps generate multicellular clusters with more comparable organization, making differences in developmental behavior easier to associate with experimental conditions.
Agarose provides a surface that limits cell attachment rather than encouraging cells to spread across a culture substrate. This favors retention of cells within individual wells and allows cell-cell adhesion to drive aggregation. The resulting organization helps investigators examine how three-dimensional structure affects sorting, tissue organization, and differentiation.
Cell number, signaling environment, and physical organization are key variables in these cultures. Altering the number of cells changes the starting composition of a cluster, while changing signaling conditions can modify developmental responses. Physical organization adds a structural variable. Studying these factors separately or together helps reveal how environmental and organizational cues influence outcomes.
Because cells are gathered into spatially confined three-dimensional clusters, investigators can examine how cells organize relative to one another as structures develop. The same platform supports studies of cell sorting, tissue organization, differentiation, and early morphogenesis. Comparing clusters produced under different cell numbers or signaling environments can connect cellular arrangement with developmental outcomes.
Cells are introduced into an array of microscopic wells and allowed to settle into individual wells under controlled culture conditions. Limited attachment to agarose and cell-cell adhesion then support cluster formation. The resulting spheroids, embryoid bodies, or related structures can be cultured for developmental analysis, with cell number and signaling environment varied to test their effects.
It is especially useful when experiments require reproducible multicellular samples for comparing developmental processes. Researchers can use the method to investigate how cells sort, organize into tissue-like structures, or undergo differentiation and early morphogenesis. Its controlled cluster formation also makes it practical for examining how cell number, signaling environments, and physical organization influence those outcomes.
By producing organized three-dimensional clusters under controlled culture conditions, the platform provides a starting structure for organoid-like models. Investigators can vary cell number and signaling environments while maintaining microwell-based organization, then assess resulting differences in developmental behavior. This makes the approach useful for testing how physical arrangement and local conditions contribute to tissue formation.
Arrays of separate wells help organize cells into clusters with a more uniform format, improving consistency between samples. That consistency can strengthen comparisons of spheroids, embryoid bodies, and other multicellular structures generated under different conditions. In developmental biology, the resulting platform supports more controlled evaluation of sorting, tissue organization, differentiation, and early morphogenesis.