Abstract: Provided is an analysis device capable of analyzing a wide range of ion concentrations. The analysis device includes: an ion separating unit selectively conducting a specific kind of ions from among a plurality of kinds of ions flowing through a flow path; a detection electrode provided in the flow path and disposed toward an outlet with respect to the ionization unit; and a deflection electrode positioned across the flow path from the detection electrode, and generating an electric field that moves the specific kind of ions toward the detection electrode. The deflection electrode is capable of adjusting a width of a region in which the electric field is generated in a width direction perpendicular to a direction in which the flow path extends.

Abstract: A cell culture substrate includes a base, a first segment disposed on the base and occupying a part of one surface of the cell culture substrate, and a second segment disposed on the base and occupying another part of the one surface. The second segment is formed of a metal material and thus has a relatively higher surface free energy than the first segment formed of an inorganic material. The second segment is disposed such that a percentage of an area of the second segment in a total area of the first segment and the second segment increases in a gradation direction (first direction) along the one surface.

Abstract: A cell signal measurement electrode plate includes a first transistor including a gate terminal connected to a first selection line and a source terminal connected to a second selection line, a second transistor including a gate terminal connected to a drain terminal of the first transistor, a source terminal connected to an electrode, and a drain terminal connected to a common wiring line, and a first capacitor including one capacitance electrode connected to the drain terminal of the first transistor and another capacitance electrode connected to a capacitance element potential fixing wiring line.

Abstract: A detection cell includes a pair of filter electrodes, disposed separated from and opposing each other. One of the pair of filter electrodes includes a first region provided following a flow direction of an object of measurement introduced between the filter electrodes, and a second region that is provided arrayed with the first region regrading an intersecting direction intersecting the flow direction, and that protrudes to a position at which a distance of separation as to another of the pair of filter electrodes is smaller than that of the first region. First and second downstream-side electrodes are respectively disposed on downstream sides of the first and second regions, in the flow direction, and are separated from each other regarding the intersecting direction. First and second opposing electrodes are disposed on the downstream side from the other of the pair of filter electrodes, and oppose the first and second downstream-side electrodes.

Abstract: A cell culture apparatus includes: a substrate having a first surface; a pair of structures each having a wall surface intersecting the first surface, the wall surfaces facing each other; and an electrode disposed on the first surface and traversing a space between the wall surfaces, the electrode and each of the wail surfaces forming an angle other than 90 degrees.

Abstract: The present invention has as an object to, by controlling how oil injected into a liquid drop control device wet spreads, make it harder for bubbles to remain in a cell. A liquid drop control device of the present invention is characterized in that in at least one substrate, there is a gap between an end face of a lyophobic layer and a seal material and the lyophobic layer and the seal material make contact with each other in at least one place.

Abstract: An electrowetting device includes an electrode substrate including a first substrate, a plurality of first drive electrodes formed on the first substrate, and a water-repellent insulating layer formed on the plurality of first drive electrodes, a counter substrate including a second substrate, and disposed so as to face the electrode substrate with a predetermined gap therebetween, a sealing portion provided in a sealing region at the electrode substrate, and bonding the electrode substrate and the counter substrate, and an injection valve for injecting a droplet into the gap, the injection valve being located in the sealing region and including a first valve body formed of an electric field responsive gel.

Abstract: Provided are an active matrix substrate having a reduced driving voltage and excellent adhesion between a dielectric layer and a water-repellent layer and a microfluidic device including the substrate. The active matrix substrate includes an array electrode, a dielectric layer covering the array electrode, and a first water-repellent layer in this order on a first substrate. The dielectric layer includes a silicon nitride film located on the side in contact with the first water-repellent layer, and the silicon nitride film has a surface layer region containing oxygen in the surface on the side in contact with the first water-repellent layer.

Abstract: Provided is a microfluidic device that, as compared with a conventional microfluidic device, (i) is smoother in surface of a water-repellent layer provided above a segment electrode and (ii) makes it easier for microfluid provided in the surface of the water-repellent layer to slide. A microfluidic device (1) includes: an array substrate (10) including a plurality of electrodes (14); and a counter substrate (40) including at least one electrode (42), the array substrate (10) and the counter substrate (40) having therebetween an internal space (50) in which to cause an electroconductive droplet (51) to move across the plurality of electrodes (14), and the plurality of electrodes (14) being provided on a first flattening resin layer (13) and each being a light-blocking metal electrode.

Abstract: In an electrode substrate (10), a contact hole (19) provided in a first planarizing resin layer (13) is filled with a second planarizing resin layer (16). A TFT (20) is electrically connected to an electrode (14) via the contact hole (19). On the electrode (14), a water repellent layer (18) is provided via a dielectric layer (15) including the second planarizing resin layer (16) and an ion barrier layer (17).

Abstract: An analyzer includes: a flow path component providing a flow path through which a sample is supplied from an inlet end thereof toward an outlet end thereof; an ionization unit that ionizes the sample flowing in the flow path to produce ions; a pair of voltage application electrodes located opposite each other across the flow path and closer to the outlet end than the ionization unit is located close to the outlet end, an asymmetric-waveform, high-frequency voltage being applied to the ions through the pair of voltage application electrodes; a detection electrode located closer to the outlet end than the pair of voltage application electrodes is located close to the outlet end; a deflection electrode located opposite the detection electrode across the flow path, the deflection electrode generating a DC electric field that moves the ions toward the detection electrode; and a reference electrode located not opposite the deflection electrode.

Abstract: In an electrode substrate (10), a contact hole (19) provided in a first planarizing resin layer (13) is filled with a second planarizing resin layer (16). A TFT (20) is electrically connected to an electrode (14) via the contact hole (19). On the electrode (14), a water repellent layer (18) is provided via a dielectric layer (15) including the second planarizing resin layer (16) and an ion barrier layer (17).

Abstract: An embodiment of the present invention provides a microfluidic device into which fluid can be more easily introduced. A microfluidic device (1) is configured such that: (i) an upper substrate (2) is bonded to a lower substrate (6) via a sealing pattern (5) in such a manner that at least a portion of an edge of the upper substrate (2) is located inward of an edge of the lower substrate (6); and (ii) the sealing pattern (5) includes at least one gap (12) that is provided at a position where the edge of the upper substrate (2) is located inward of the edge of the lower substrate (6).

Abstract: Provided are an active matrix substrate having a reduced driving voltage and excellent adhesion between a dielectric layer and a water-repellent layer and a microfluidic device including the substrate. The active matrix substrate includes an array electrode, a dielectric layer covering the array electrode, and a first water-repellent layer in this order on a first substrate. The dielectric layer includes a silicon nitride film located on the side in contact with the first water-repellent layer, and the silicon nitride film has a surface layer region containing oxygen in the surface on the side in contact with the first water-repellent layer.

Abstract: The present invention has as an object to, by controlling how oil injected into a liquid drop control device wet spreads, make it harder for bubbles to remain in a cell. A liquid drop control device of the present invention is characterized in that in at least one substrate, there is a gap between an end face of a lyophobic layer and a seal material and the lyophobic layer and the seal material make contact with each other in at least one place.

Abstract: An electrowetting device includes an electrode substrate including a first substrate, a plurality of first drive electrodes formed on the first substrate, and a water-repellent insulating layer formed on the plurality of first drive electrodes, a counter substrate including a second substrate, and disposed so as to face the electrode substrate with a predetermined gap therebetween, a sealing portion provided in a sealing region at the electrode substrate, and bonding the electrode substrate and the counter substrate, and an injection valve for injecting a droplet into the gap, the injection valve being located in the sealing region and including a first valve body formed of an electric field responsive gel.

Abstract: An EWOD device includes opposing substrates defining a gap and each including an insulating surface facing the gap. Array elements include electrode elements to which actuation voltages are applied. A pre-charging structure defines a channel in fluid communication with the gap wherein the channel receives an input of a fluid reservoir for generation of the liquid droplet, and the pre-charging structure includes an electrical element electrically exposed to the channel. The electrical element pre-charges the fluid reservoir within the channel, and a portion of the gap containing the liquid droplet spaced apart from the channel is electrically isolated from the electrical element such that the liquid droplet is at a floating electrical potential when located within said portion of the gap. The electrical element may be an electrode portion that is exposed to the channel, or an externally connected pre-charging element inserted into the channel.

Abstract: The optical device (100) includes a first substrate (10), a second substrate (20), and an optical layer (30). The first substrate includes a first electrode (11) and a second electrode (12) configured to be provided with mutually different electrical potentials within a pixel. The optical layer may include a medium (31) and a plurality of shape-anisotropic particles (32) dispersed in the medium. At least one of the first electrode and the second electrode may include a plurality of comb teeth portions (11a, 12a) arranged at predetermined intervals along the first direction (D1). When an electric potential difference is applied between the first electrode and the second electrode, the pixel may be configured to have an electrical field distribution in which a strong electric field region having a stronger field intensity than another region is periodically formed parallel to the surface of the optical layer along a second direction (D2) orthogonal to the first direction.

Abstract: An embodiment of the present invention provides a microfluidic device into which fluid can be more easily introduced. A microfluidic device (1) is configured such that: (i) an upper substrate (2) is bonded to a lower substrate (6) via a sealing pattern (5) in such a manner that at least a portion of an edge of the upper substrate (2) is located inward of an edge of the lower substrate (6); and (ii) the sealing pattern (5) includes at least one gap (12) that is provided at a position where the edge of the upper substrate (2) is located inward of the edge of the lower substrate (6).

Abstract: The present invention provides an optical modulator that prevents aggregation of shape-anisotropic particles. The optical modulator of the present invention includes: (1) a first substrate and a second substrate that are disposed to face each other; (2) an optical modulation layer disposed between the first substrate and the second substrate; and (3) a vertical alignment film. The optical modulation layer (2) contains: (2A) liquid crystal molecules that have a positive anisotropy of dielectric constant with a value of the anisotropy ?? of 10 or more; and (2B) shape-anisotropic particles each including a core material and a coating layer that is formed of a material containing a fluorine atom and constitutes an outer surface of the shape-anisotropic particles. The first substrate includes a pair of electrodes.