Abstract: The present invention provides a graphene grid that can suppress or prevent uneven distribution, uneven orientation, and the like of a structural analysis target substance, and can capture the structural analysis target substance with high efficiency and analyze the structural analysis target substance with high resolution, in a structural analysis by cryo-electron microscopy. A graphene grid of the present invention has a graphene surface into which a functional group is introduced.

Abstract: The present invention provides a method for producing a substance with a modified carbon allotrope surface that can suppress or prevent uneven distribution, uneven orientation, and the like of a structural analysis target substance in a structural analysis by cryo-electron microscopy. A method for producing a substance with a modified carbon allotrope surface of the present invention includes: the step of surface-treating by reacting a carbon allotrope surface with a halogen oxide radical, wherein the carbon allotrope surface is modified by the surface-treating.

Abstract: The present invention provides a new method for modifying a polymer molded body and binding a target molecule. The method for selectively binding a target molecule to a polymer molded body of the present invention includes: a pretreatment step of irradiating a selected surface of a polymer molded body with light in the presence of a compound radical; and a binding step of reacting a target molecule with the polymer molded body after the pretreatments to bind the target molecule to the selected surface of the polymer molded body, wherein the compound radical is a radical containing one element selected from the group consisting of Group 15 elements and Group 16 elements, and a Group 17 element.

Abstract: The present invention provides a new method for producing a lens to be fitted to an eye in a simple manner at a low cost. In order to achieve the aforementioned object, the present invention provides a method for producing a lens to be fitted to an eye, including the step of: hydrophilizing a surface of a polymer lens by reacting with a compound radical, wherein the compound radical is a radical containing one element selected from the group consisting of Group 15 elements and Group 16 elements, and a Group 17 element.

Abstract: To provide a surface-treated polymer production method which can be performed in a simplified manner and at low cost. In order to achieve the aforementioned object, the surface-treated polymer production method according to the present invention include: reacting a surface of a polymer with a halogen oxide radical to surface-treat the polymer, and in the surface-treating, a reaction system is not irradiated with light.

Abstract: To provide a treated polymer production method which can be performed in a simplified manner and at low cost. In order to achieve the object, the treated polymer production method according to the present invention includes: reacting a surface of a polymer with a halogen oxide radical to surface-treat the polymer. The treated polymer is a metal-plated polymer, and the method further includes plating, with a metal, the surface of the polymer after the surface-treating, or the treated polymer is an adhesion laminate of the polymer and an adherend, and the method further includes adhering the adherend to the surface of the polymer after the surface-treating.

Abstract: The present invention provides a new method for modifying a polymer molded body and binding a target molecule. The method for selectively binding a target molecule to a polymer molded body of the present invention includes: a pretreatment step of irradiating a selected surface of a polymer molded body with light in the presence of a compound radical; and a binding step of reacting a target molecule with the polymer molded body after the pretreatments to bind the target molecule to the selected surface of the polymer molded body, wherein the compound radical is a radical containing one element selected from the group consisting of Group 15 elements and Group 16 elements, and a Group 17 element.