Jsr Life Sciences Corporation

Jsr Corporation

Jsr Micro N.v.

Yasuhito Satou

Yuuichi Ueya

This invention relates to a method of producing a probe-bound carrier, a probe-bound carrier and a method of detecting or separating a target substance. The method of producing a probe-bound carrier includes: step 1 of mixing a carrier having tosyl groups and a probe; and step 2 of reducing the amount of tosyl groups on a surface of a carrier, in which a proportion of area S2 that is occupied by one tosyl group on a surface of the carrier obtained in the step 2 with respect to area S1A that is occupied by one tosyl group on a surface of the carrier used in the step 1 (S2/S1A&#xd7;100%) is not less than 140%.

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Minato-ku, Japan

Yasuhito Satou