CESTRA – Device for the application of static and dynamic tensile strain on cells

Common ways of cell enlargement are based on cell plates,

strained with a vacuum system. Finite Element Analysis (FEA) revealed that the displacements and therefore the strains of cell plate membrane usually were not evenly distributed. To have linear and homogenous membrane deformations, cell biomechanical research demands a new standardised method. CESTRA represents a new device to put tensile strain on cells in standardised ways, utilisable for static and for dynamic systems. CESTRA is constructed from white polyoxymethylene (POM) and fits to technical specification and material requirements, such as chemical and biological inertness and humidity-resistance. The material is characterised by high strength, hardness and rigidity in a wide temperature range. Further, it has high abrasion resistance, low friction coefficient and low water absorption. This attributes make it possible to apply different strains at the same time in static systems.

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