公开(公告)号：US20220317130A1

公开(公告)日：2022-10-06

申请号：US17713621

申请日：2022-04-05

Applicant: Hitachi, Ltd.

Inventor： Masashi MARUYAMA ,  Hirotaka SAKUMA ,  Eric OFOSU-TWUM

IPC: G01N33/68 ,  G01N1/38

Abstract: Objects of the disclosure are to provide a preanalysis treatment method for a sample, which can reduce mixing of a reagent into the sample, and to provide a sample pretreatment system capable of performing the preanalysis treatment method. An aspect of the present embodiment is a preanalysis treatment method for a sample, which includes a step A of mixing the sample and a reagent A containing a support and a reducing agent immobilized on the support, a step B of mixing the sample and a reagent B containing a support and an enzyme immobilized on the support, a step X-A of, after the step A, separating the reagent A and a supernatant from each other, and a step X-B of, after the step B, separating the reagent B and a supernatant from each other.