Jsr Corporation

Jsr Life Sciences Corporation

Shin-ya Omote

Naoki Hayashi

Kouji Tamori

Masaaki Miyaji

Kazuhiro Iso

Tokio Sawai

Yingjia Xu

Tomoki Itooka

Provided are an additive and a surface treatment agent capable of suppressing agglutination of latex particles contained in a reagent for a latex agglutination reaction during storage of the reagent although a synthetic polymer is contained as an active component. An additive is to be added to latex particles used in a reagent for a latex agglutination reaction. The latex particles have not been subjected to blocking treatment. The additive includes a polymer containing more than 60% by mass and 99% by mass or less of hydrophilic repeating units (A) relative to all repeating units and 1% by mass or more and less than 40% by mass of hydrophobic repeating units (B) relative to all repeating units, and having a weight average molecular weight of 3,000 or more.

Additive, surface treatment agent, surface-modified latex particles, method for producing surface-modified latex particles, reagent for latex agglutination reaction, kit, and method for detecting target substance

A surface treatment method for treating a surface formed of an inorganic material by using a polymer is provided. The polymer contains a repeating unit (A) having a cationic group with a particular structure in a side chain thereof and a repeating unit (B) having a group of a particular structure in a side chain thereof. Also provided are a tool and a device having a modified surface, and a method for producing the tool and the device.

Surface treatment agent for surface configured from inorganic material, tool and device having modified surface, and method for manufacturing tool and device

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Minato-ku, Japan

Shin-ya Omote