Sekisui Chemical Co., Ltd.

Sekisui Medical Co., Ltd.

University Public Corporation Osaka

Osaka Prefecture University

Nobuhiko Inui

Kazuhiko Imamura

Tsutomu Nakamura

Takamasa Kouno

Kazuhiro Sawa

Koji Taniguchi

Katsunori Takahashi

Daisuke Mukohata

Katsura Uchida

Kensuke Tsumura

Ryousuke Takahashi

Tatsunori Takamatsu

Sou Yamaguchi

Satoshi Haneda

Ryosuke Takahashi

Hiroki Iguchi

Ryoma Ishii

Yoshinori Akagi

Naoyuki Nagatani

Shotaro Kobaru

Shigeru Nomura

Taichi Hamada

Yuuta Nakamura

Mitsuru Naruta

Yoshihiro Inui

Yuuhei Arai

Tomoya Sasaki

Kouji Taniguchi

Keiichi Osano

Mayumi Yukawa

Tatsuro Endo

Shoutarou Kobaru

Daigo Kobayashi

Kenta Takakura

Provided is an inspection chip with simplified channel switching structure, which is generally complicated. An inspection chipincluding a chip main bodyhaving a specimen introduction channel, an adsorption channel including an adsorption unit, a first waste liquid channel, a recovery liquid introduction channel, and a detection channel including a detection unit; and a rotary valveattached to the chip main bodyso as to be rotatable about a rotation axis, the rotary valvehaving a plurality of connection channels, the plurality of connection channels being arranged so that the rotary valveis capable of taking at least a first state and a second state when the rotary valverotates about the rotation axis, the first state being a state in which the specimen introduction channel, the adsorption channel, and the first waste liquid channel are connected so as to be provided in this order from an upstream side, and the second state being a state in which the recovery liquid introduction channel, the adsorption channel, and the detection channel are connected so as to be provided in this order from the upstream side.

Inspection chip with simplified channel switching structure

Provided is a cell culture scaffold capable of allowing cell masses to be formed easily and efficiently. A cell culture scaffold according to the present invention includes a substrate; and a protrusion formed by patterning in a pattern of a dot or a line on the substrate, wherein the protrusion contains a synthetic resin, the synthetic resin contains at least a polyvinyl alcohol derivative or a poly(meth)acrylic resin, the protrusion has cell adhesion, and a portion of the protrusion located at the protrusion center position in plan view has an average height of 10 nm or more and 10 μm or less.

Scaffold material for cell culture and cell culture container

A microchannel chip () includes: a first channel (); a reagent holder (); a gas inlet () communicating with the first channel; a lid () closing the gas inlet; and a second channel () provided downstream of the first channel. A specimen holder () is provided downstream of the reagent holder (). When the lid () closes the gas inlet (), gas is supplied to the first channel () and pushes out the reagent downstream from the reagent holder (). Thus, the pushed-out reagent merges with a specimen in the second channel ().

Microchannel chip

Provided is a nucleic acid isolation method whereby it becomes possible to extract a nucleic acid in a simple manner without the need to use an alcohol. A nucleic acid isolation method, comprising the steps of: mixing a specimen containing a nucleic acid with an extraction solution to disperse the nucleic acid in the extraction solution; bringing the extraction solution containing the nucleic acid into contact with an anionic adsorbent; bringing a washing solution into contact with the anionic adsorbent; and bringing a collection solution into contact with the anionic adsorbent, the extraction solution containing a protein denaturant, the washing solution containing a basic compound and having a pH value equal to or less than a pKa value of a conjugate acid of the basic compound, and the collection solution having a pH value equal to or more than the pKa value of the conjugate acid of the basic compound.

Method for isolating nucleic acid, nucleic acid isolation kit, and inspection chip

A chip that does not require high-accuracy discharge amount control for a liquid delivery pump and can suppress entrainment of air bubbles, including: a first flow path; a second flow path; a merging portion provided on a downstream end portion side of the first flow path and merge the first fluid and the second fluid; a first connection flow path connecting the first flow path and the second flow path at the merging portion and have a liquid delivery resistance higher than the first flow path; a degassing flow path connecting to the second flow path on a downstream side of the first connection flow path; a third flow path provided on a downstream side of the merging portion; and a second connection flow path connecting the first flow path and the third flow path and have a liquid delivery resistance higher than the first flow path.

Chip and fluid-merging method

A measurement tool includes: a measurement tool body including a sample collection unit for collecting a liquid sample by a capillary phenomenon, and a liquid feed channel; and a lid body attachable to and detachable from the measurement tool body. The liquid feed channel includes an upstream side channel and a downstream side channel. A space is defined, into which an upstream side end of the sample collection unit and a downstream side end of the upstream side channel open, when the lid body is attached to the measurement tool body. The downstream side channel is connected to a downstream side end of the sample collection unit. The space is open when the lid body is separated from the measurement tool body, and the space is closed and the upstream side channel and the sample collection unit are connected when the lid body is attached to the measurement tool body.

Measurement tool for collecting bodily samples with improved measurement precision

Provided is a micro-fluid chip that enables reducing contamination between branch channels, has a relatively simple channel structure and facilitates miniaturization. A micro-fluid chip () having a channel structure () through which a fluid is delivered, wherein the channel structure () includes: a main channel () having an inflow port () and an outflow port (); a plurality of branch channels () to () connected to the main channel (), each branch channel having an inflow end on a side connected to the main channel () and an outflow end that is an end portion on an opposite side to the inflow end; and a sub-branch channel () connected to the main channel () between at least one pair of adjacent branch channels () and () among the plurality of branch channels () to (), the sub-branch channel () having an inflow end on a side connected to the main channel ().

Micro-fluid chip

Provided is an implement for inspection capable of measuring the concentration of a test substance with high accuracy. The implement for inspection according to the present invention is an implement for inspection used for measuring the concentration of a test substance that includes a compound for reacting with a test substance to form a granular substance or a compound which is for being bound to the test substance and is a granular substance, and a wall portion having a periodic structure on its surface.

Implement for inspection, inspecting device and inspecting method

Provided is a resin composite material having a small number of voids and excellent tenacity. The resin composite material may be one obtained by mixing a carbon material having a graphene structure and having a content of less than 1 weight % of a volatile component volatilizable at 200&#xb0; C. and a thermoplastic resin. The resin composite material may be a resin composite material including a carbon material having a graphene structure and a thermoplastic resin, the resin composite material containing 5 parts by weight or more of the carbon material per 100 parts by weight of the thermoplastic resin and having a breaking strain of 50% or more as measured according to JIS K 7161.

Carbon material, resin composite material, and method for producing said carbon material and resin composite material

Provided is a resin composite material in which a carbon material with a graphene structure is dispersed in a synthetic resin and which has a high mechanical strength and a low linear expansion coefficient and a method for producing the resin composite material. A resin composite material contains a synthetic resin and a carbon material with a graphene structure dispersed in the synthetic resin, wherein the synthetic resin is grafted onto the carbon material and the grafting ratio thereof onto the carbon material is 5% to 3300% by weight. A method for producing a resin composite material includes the steps of: preparing a resin composite containing a synthetic resin and a carbon material with a graphene structure dispersed in the synthetic resin; and grafting the synthetic resin onto the carbon material concurrently with or after the step of preparing the resin composite.

Resin composite material and method for producing resin composite material

Disclosed herein are: a method for producing a resin composite material in which a carbon material having a graphene structure is dispersed in a synthetic resin and which has high mechanical strength; and a resin composite material obtained by the method. More specifically, disclosed herein are: a method for producing a resin composite material in which a carbon material having a graphene structure is uniformly dispersed in a synthetic resin selected from the group consisting of a crystalline resin and an amorphous resin, the method comprising, when the synthetic resin is a crystalline resin, shear-kneading the crystalline resin and the carbon material with a shear-kneading device at a temperature lower than a melting point of the crystalline resin and, when the synthetic resin is an amorphous resin, shear-kneading the amorphous resin and the carbon material with a shear-kneading device at a temperature close to a Tg of the crystalline resin; and a resin composite material obtained by the production method.

Method for producing resin composite material, and resin composite material

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Osaka, Japan

Nobuhiko Inui