The University of Tokyo

The Foundation for the Promotion of Industrial Science

Sharp Kabushiki Kaisha Corporation

Centre National De La Recherche Scientifique

Nok Corporation

Kisco

Daisan Kasei Co., Ltd

Fujifilm Corporation

Riken Corporation

Kureha Kagaku Kogyo Kabushiki Kaisha

Enplas Corporation

Mitsubishi Chemical Medience Corporation

Arkray, Inc.

Lsi Medience Corporation

Teruo Fujii

Kunihiko Iizuka

Yoshihisa Fujimoto

Soo-Hyeon Kim

Takeshi Mitsunaka

Yasuyuki Sakai

Takayuki Komori

Takashi Inoue

SooHyeon Kim

Yannick Rondelez

Guillaume Gines

Takatoki Yamamoto

Koichi A Ono

Hiroshi Kimura

Naohiro Murayama

Ken Ogata

Yasunori Ichikawa

Shoji Takeuchi

Fumiko Shiraishi

Keiichi Miyajima

Tomohide Ueyama

Seiji Sugiyama

Shinji Okawa

Hitoshi Matsui

Hiroshi Ito

Serge Camou

Tsutomu Mochizuki

Soo Hyeon Kim

Hitomi Sakai

Hirosuke Naruto

Shuhei Nishida

Yasuo Yoshimoto

Isao Endo

Yuki Tanabe

Taku Oguni

Sukiro Obata

Jong Wook Hong

Kentaro Kamimae

Kevin Montagne

Makoto Hirama

Yoshiho Ikeuchi

Hideto Tozawa

Yukiko Tsuda

Shohei Kaneda

Shin Ohya

Jiro Kawada

Masaki Nishikawa

An extracellular potential measurement device includes multiple insulating films each of which is made from an electric insulating material, the insulating films being stacked and bonded to each other; and multiple electrode wires each of which is made from an electroconductive material, the electrode wires being arranged in multiple heights. Each of the electrode wires is interposed between an upper insulating film and a lower insulating film. Each of the insulating films, except for a lowermost insulating film, has an opening penetrating the insulating film. The opening in a lower insulating film has a size that is less than that of the opening in an upper insulating film, the openings in the insulating films being overlapped to form a recess having a size reducing downward, the recess being adapted to store a collection of cells. Each of the electrode wires has an end that is located near an opening in an insulating film that is immediately below the electrode wire, the ends being exposed in the recess.

Extracellular potential measurement device

A cell capture apparatus includes a cell separation unit having a flat plate shape and a cell capture unit having a flat plate shape located therebelow. A liquid sample and a carrier liquid flow in a cell-separation flow passage of the cell separation unit. The liquid sample contains multiple large cells, multiple small cells, and a sample liquid component. The cell-separation flow passage separates a set of large cells and the carrier liquid from a set of small cells and the sample liquid component. The cell capture unit includes a large-cell flow passage in which the set of large cells and the carrier liquid flows, and multiple electrode wires for attracting the large cells by means of dielectrophoresis. Multiple cell capturing wells are formed in the large-cell flow passage. Each of the multiple cell capturing wells has a size that can capture one of the large cells attracted by the electrode wires.

Cell capture apparatus

A size reduction in an optical system that detects a fluorescent photon is achieved. A photon detection operation of a photon detection unit () is controlled on the basis of timing of an irradiation operation of an excitation light source (), and after excitation light emitted to a microfluidic channel () is switched off, a fluorescent photon generated by a target flowing in the microfluidic channel () is detected.

In-liquid microparticle analysis system and in-liquid microparticle analysis method

An object trapping device enables efficiently trapping a plurality of objects in a specific combination. Each of a first electrode pair (), a second electrode pair (), and a third electrode pair () in an electrode pair group () is applied with an individual AC voltage and traps an object by dielectrophoresis generated in accordance with the AC voltage that is applied.

Object trapping device and object trapping device unit

A microchamber array device having built-in reaction microchambers, in which the dilution ratio can be greatly increased at the same time as dramatically raising cell recovery efficiency, and an inspection object analysis method using said device are provided. This microchamber array device is provided with: a microchamber arrayfor cell capture by electrophoresis comprising an arrangement of a substrate, electrodesand photoresists; and a reaction microchamber arraywhich is separated from the capture microchamber array, and which is formed from reaction microchambercomprising micro channelsarranged so as to be opposite of the aforementioned microchamber array

Microchamber array device and method of analyzing inspection object using same

An object is to provide a component for molecular Computing and a method of molecular Computing. A component for molecular Computing, the component comprising: a microsphere including pores, at least some of which are open on a surface of the microsphere, and a plurality of modules grafted on the microsphere wherein each of the modules is a continuous s&#xe9;quence of nucleic acid base. A method of molecular Computing with a component comprising a microsphere including pores, at least some of which are open on a surface of the microsphere, and a plurality of modules grafted on the microsphere wherein each of the modules is a DNA strand, the method comprising steps of: designing the modules to create a molecular program! attaching the modules to the microsphere! bringing the microsphere into contact with a solution containing a mixture of enzymes! and incubating the microsphere with the modules at a constant temp&#xe9;rature so that DNA production and exchange happen locally between the grafted modules according to the molecular program.

Molecular computing component and method of molecular computing

An object is to provide a method of eliminating background amplification in detection of rare nucleic acids based on isothermal amplification. The method comprising steps of: preparing a mixture including solution and enzymes, and adding a first and a second template into the mixture, wherein the first template is an amplification template, and the second template is a leak absorption template. Methods to use this approach for multiplexed, ultrasensitive and ultra-specific detection of nucleic acids are presented.

Method of eliminating background amplification of nucleic acid targets

Provided are a fluorescent testing system, a dielectrophoresis device, and a molecular testing method that measure only fluorescence emitted from a test object without separating excitation light and the fluorescence by an optical filter and that are able to prevent reduction of an application range of a type of the fluorescence. A fluorescent testing system () includes: an excitation light source () that radiates excitation light (L) to a test object (M) flowing in a microfluidic channel (); a silicon integrated circuit () provided with a photon detection unit () that detects light by a photodiode (); a dielectrophoresis electrode pair () that generates an electric field (EF) to draw the test object (M) onto the photodiode () by dielectrophoresis; and a control unit () that causes the excitation light source () to radiate the excitation light (L) to the test object (M) that is drawn and causes the photon detection unit (), after extinguishment of the excitation light (L), to detect fluorescence (L) emitted from the test object (M).

Fluorescent testing system, dielectrophoresis device, and molecular testing method

Provided are a fluorescent testing system, a molecular testing method, and a fluorescent testing method that can avoid enlargement and complication. A fluorescent testing system () includes: an excitation light source () that radiates excitation light (L) to protein to which a fluorescent probe is added; a silicon integrated circuit () including a photon detection unit () that detects light by a photodiode (); a holding layer () including a microwell () that is provided above the photodiode () and holds the protein to which the fluorescent probe is added; and a control unit () that causes the excitation light source () to radiate the excitation light (L) to the protein which. is held and to which the fluorescent probe is added and causes the photon detection unit (), after extinguishment of the excitation light (L), to detect fluorescence emitted from the protein to which the fluorescent probe is added.

Fluorescent testing system, molecular testing method, and fluorescent testing method

An object is to provide a neuron cultivation device which promptly develops bundles of axons extending from neurons in vitro. A device for cultivating neuron with axon, the device comprising a cultivation plate and a plurality of modules arranged in the cultivation plate. Each of the modules includes at least one of first chambers receivable of cell bodies of neurons at least one of second chambers, and at least one of channels receivable of a bundle of axon extended from the cell bodies. The channels connect the first chambers and the second chambers. Bottom ends of the first chambers, the second chambers and the channels are closed and top ends of the first chambers and the second chambers are open.

Neuron cultivation device, neuron cultivating method, cultivated neuron, analysis and identification of protein in axon bundle, and usage of cultivated neuron

The present invention makes it possible to easily and efficiently observe a specimen contained in a fluid without using a filtration device separate from a scanning probe microscope by attaching a filter holding part holding a filter to a fluid cell of a specimen support. Therefore, a specimen support, for holding a specimen subject to observation by the scanning probe microscope, comprises a fluid cell, into which fluid including the specimen is introduced, and a filter unit including a filter, which allows the fluid passage and at least a part of the specimen is adhered to. The fluid cellincludes a fluid entrance, the filter unit includes a fluid exit opening, and the filter unit is attached to one side of the fluid cell

Specimen support and scanning probe microscope

Provided is: a cell culture membrane, which is free from materials derived from living organisms, can easily be industrially mass-produced, exhibits superior long-term storage properties and chemical resistance, has excellent cell adhesion properties and long-term culture properties and is capable of replicating a cell adhesion morphology that is similar to that of collagen derived from living organisms and being used for conventional cell cultivation. Also provided are a cell culture substrate, and a method for manufacturing the cell culture substrate. In the present invention, as a cell adhesion layer, a polymer membrane represented by formula (I) is formed on the base of a cell culture substrate so as to have a membrane thickness equal to or greater than 0.2 &#x3bc;m (in the formula, R1 and R2 represent a &#x2014;(CH)&#x2014;NHmoiety (n is an integer of 1-10 inclusive.) or H, with at least one of R1 and R2 being a &#x2014;(CH)&#x2014;NHmoiety. Moreover, l and m are positive integers expressing polymerization degree). 

Cell culture membrane, cell culture substrate, and method for manufacturing cell culture substrate

A method for culturing hepatocytes, wherein hepatocytes embedded in an extracellular matrix is placed on a gas-permeable membrane and the hepatocytes are cultured while being supplied with oxygen from the gas-permeable membrane side. By this, the polarity in the hepatocytes can be induced and a bile canaliculus can be formed in a short period of time. Further, the formed polarity can be maintained for a longer period.

Method for culture of hepatocytes

The invention is directed to methods for the propagation or cultivation of cells including preparing a cell culture substrate, wherein the cell culture substrate includes a substrate and a layer formed by surface modification. The layer includes a polymer containing an amino group. The polymer is produced by reacting a polymer represented by formula (II): with a polymer having at least one amino group, &#x2014;NH, capable of forming a Schiff base in a monomer of formula (II), thereby forming a polymer layer constituting the layer formed by surface modification. 'n' in Formula (II) is 0 or a positive integer, and m is a positive integer. n and m represent the degree of polymerization. Formula (II) is formed by chemical vapor deposition of formyl[2.2]paracyclophane. The methods further include providing cells in a medium; inoculating the cells onto the cell culture substrate; and culturing the cells, wherein the cells adhere to the cell culture substrate.

Cell culture substrate and its production method

An evaluation apparatus of scientific phenomena, including:

Evaluation apparatus of scientific phenomena, educational tool for scientific experiments and method of manufacturing the same

Growing community of inventors

Tokyo, Japan

Teruo Fujii