Abstract: A liquid-repellent plastic molded body 1 according to the present invention has a liquid-repellent surface. The liquid-repellent surface has a re-entrant structure surface formed by an array of pillars 20 each having a head portion 20a with an enlarged diameter. At least a part of the re-entrant structure surface has a fluorine-containing surface in which fluorine atoms are distributed.

Abstract: A packing member which effectively prevents the liquid repellent material from peeling off the surface and which is provided with the surface excellent in liquid repellency without the need of executing any particular means such as surface-roughening work, treatment with a plasma or vapor deposition. The packing member is characterized by having a surface layer of a blend of a base material polymer mixed with a fluorine-containing polymer, the surface layer forming a gradient of fluorine atom concentration in which fluorine atoms are more distributed in the surface than in the interior.

Abstract: An immunological measurement device includes a micro fluid device. The micro fluid device includes a flowpath to move a specimen that is subjected to an immunological measurement by an antigen-antibody reaction; and a labeling reagent supplier that is disposed in an upstream section of the flowpath and labels the specimen. The flowpath includes a detection flowpath that is disposed downstream of the labeling reagent supplier and measures the antigen-antibody reaction of the specimen. The labeling reagent supplier includes a labeling reagent that labels the specimen by the antigen-antibody reaction, and the labeling reagent includes a labeling substance in which an antigen or an antibody is solidified.

Abstract: A micro liquid transfer structure includes a plurality of micro projections arranged at intervals causing a capillary action, wherein the plurality of micro projections form periodically arranged unit rows, wherein each of the unit rows comprises the micro projections arranged in one row; and liquid transfer paths that are gaps between the micro projections, wherein at least one of the liquid transfer paths is a low flow resistance liquid transfer path having a flow resistance lower than flow resistances of the other liquid transfer paths, and wherein the low flow resistance liquid transfer path is disposed along a predetermined liquid transfer direction.