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Rocky Mountain Instruments - Laser Optics LB

Atomic force microscope accessory enables discovery

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David L. Shenkenberg

All animals with a backbone undergo an early developmental stage known as gastrulation, in which three distinct layers of cells form a sphere, and the layers are dubbed endoderm, mesoderm and ectoderm — according to whether the cells are in the inside, middle or outside of the sphere. But how do these layers form essentially the same way every time? Although forces such as adhesion and contraction have been implicated in the process, clear understanding has been prevented by a lack of reliable quantitative methods for measuring these forces. Scientists at Dresden University of Technology...Read full article

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    Published: June 2008
    Glossary
    adhesion
    The intermolecular attraction between two surfaces, as between a substrate and a coating; it is an important factor in the durability of optical thin films.
    adhesionBasic ScienceBiophotonicscellsgastrulationMicroscopyNews & Features

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