Optical analytic measurement device for fluorescence measurements in multisample carriers
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United States of America Patent
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Apr 3, 2007
Grant Date -
Oct 6, 2005
app pub date -
Apr 1, 2005
filing date -
Apr 1, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention is directed to a device for optical analytic measurement in a multisample carrier, particularly for measuring fluorescence or bioluminescence. The object of the invention, to find a novel possibility for measuring fluorescence or luminescence in multisample carriers, wherein, during excitation of all of the wells, the secondary radiation of each well is measured simultaneously without impermissible contributions of background radiation which falsify the characteristic emission of the sample material, is met according to the invention in that the excitation light from a light source unit is directed on the multisample carrier coaxially in a ring-shaped manner around an optical axis wherein the optical axis is oriented in direction of a surface normal of the multisample carrier and coaxial to the direction of the readout beam path, and a ring mirror unit with at least one curved ring mirror, which is arranged coaxial to the optical axis in such a way that the excitation light; illuminates the multisample carrier homogeneously on all sides at an oblique incident angle, is provided for orientation of the excitation light on the multisample carrier.
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