| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for detecting a target substance in a sample to be tested which is simple to operate and has a high measurement sensitivity in a wide concentration range from a low concentration to a high concentration, and a polymer latex for executing the detection method. SOLUTION: The polymer latex for detecting the target substance in which carrier particles with a substance having affinity to the target substance in the sample immobilized are minutely aggregated, and the method for detecting the target substance in the sample to be tested are provided. In the method, the polymer latex for detecting the target substance and the sample to be tested are mixed, and an optical physical-properties value of the mixed liquid is measured.
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