Sven Malik

Klaus Wiehler

Paul Ritter

Dirk Dammann

The invention relates to methods for operating a microfluidic device in the analysis of sample substances, comprising: (i) providing the microfluidic device, which contains an array of separate sensor spots; (ii) addressing a first selection of the sensor spots with sample substances taken up in fluid, said first selection not comprising the whole array of sensor spots; (iii) optically sensing of the first selection of sensor spots for an interaction with the sample substances; (iv) changing the operation of the microfluidic device in response to the optically sensed interaction, by addressing a second selection of the sensor spots with the sample substances taken up in fluid, said second selection not being identical to the first selection, and (v) analyzing the sample substances by optical sensing of a third selection of sensor spots which is part of the second selection. The invention likewise relates to a corresponding arrangement with microfluidic device.

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Hamburg, Germany

Sven Malik