PROBLEM TO BE SOLVED: To allow various analyses with high accuracy in a site where analysis is required, by using a disposal microchip.SOLUTION: A microchip 1 is placed on a display 3a of a tablet terminal 3 (processing device), and an analyte 4 is dropped to a flow passage of the microchip 1 to produce the reaction of the analyte in the microchip (flow passage). The microchip 1 is irradiated with light emitted from the display 3a of the tablet terminal 3, and the reaction produced in the microchip 1 is measured by the irradiation light. For example, when an induced fluorescence method using irradiation light is employed, fluorescence corresponding to the reaction is observed, and this fluorescence is visually observed or is detected by a camera incorporated in the tablet terminal 3. The detection signal is subjected to arithmetic processing by an arithmetic unit of the tablet terminal 3 to perform analysis, and the analysis result is outputted to the outside.
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