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Abstract

A miniaturized multi-chamber thermocycler provides a thermocycler which is easy to handle, and permits the treatment of a great number of samples of small sample volumes at high temperature changing rates and at low heating powers. A sample receptacle body manufactured in micro-system technics provides a plurality of sample chambers which are embodied such that at least one of the sample chamber walls of the sample chamber which constitutes the sample chamber base is an efficient heat conductor and also of low mass. Said sample chambers are coupled to a coupling body, serving as heat sink, established via at least one poor heat conducting bridge which, with respect to its dimensioning and/or material selection is such that its specific heat conductance .lambda. is smaller 5 W/K.degree..multidot.m. The sample chambers are provided with at least one heating element which is constructed to effect, in connection with a sample chamber wall serving as heat balancing layer which simultaneously can be the sample chamber base, a substantially homogeneous temperature distribution in a fluid insertable into the sample chambers.

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First Claim