Abstract: Provided is a novel probe for a biological specimen for labelling by itself and clearly visualizing one of a specific cell and a specific cell organ in a living body, the probe having excellent spectral characteristics and exhibiting excellent storage stability. The probe for a biological specimen contains, as an active agent, at least one kind of compound represented by a general formula (I).

Abstract: The invention provides a colorant compound represented by the general formula (I) below. In the general formula (I), R1 and R2 represent independently from each other a species selected from at least one of an alkyl group, an aryl group, an aralkyl group, an alkoxy group, an aryloxy group, an amino group, and a hydroxyl group. R3 and R4 represent independently from each other a species selected from at least one of a hydrogen atom, an alkyl group, an aryl group, a heterocycle group, an amino group, a hydroxyl group, a cyano group, an alkoxy group, an alkylsulfanyl group, a carboxylic acid group, a carboxylic acid ester group, a carboxylic acid thioester group, a carbamoyl group, a nitro group, and a halogen atom. R3 and R4 may optionally be bonded together to form an aromatic ring. Cy represents an aryl group having at least one anionic group.

Abstract: A dye compound has the following general formula (1). In the general formula (1), A1 denotes N or CR2. When A1 denotes N, R1 denotes an amino group. When A1 denotes CR2, R1 and R2 form an aromatic ring that has an anionic group. R3 denotes an alkyl group, an aryl group, or an aralkyl group. Cy denotes a substituted or unsubstituted aromatic ring.

Abstract: A dye compound represented by the following formula has at least one anionic group: wherein R1 and R2 independently represent an amino or hydroxyl group, A1 represents nitrogen or CR4, R4 and R3 form a first aromatic ring, R3 represents a substituent with a negative Hammett's substituent constant when A1 represents nitrogen, and Cy represents a second aromatic ring.

Abstract: The present invention is a colorant compound represented by the following general formula (1): wherein at least one of R2, R4, R7 and R9 is an acylamino group represented by the following general formula (2): wherein R11 denotes one of an alkyl group, a cycloalkyl group, an aryl group, an arylalkyl group, an alkenyl group and a heterocyclic group; and ‘*’ denotes a bonding site with an aromatic ring of the general formula (1).

Abstract: To provide a yellow toner satisfying good toner particles and a superior coloring power, the toner has toner base particles having at least a binder resin, a colorant and a wax component, and contains as the colorant at least a coloring matter compound represented by the following general formula (1) and a pigment represented by the following formula (2).

Abstract: A pigment has a compound expressed by Formula (1). The pigment has a number average primary particle size of 30 to 70 nm and has a CuK? characteristic X-ray diffraction spectrum having, when ? represents a Bragg angle, a peak at 2?±0.20° equal to 10.0° and a peak at 2?±0.20° equal to 11.1°, the intensity ratio of the 11.1° peak to the 10.0° peak being 0.1 to 0.6.

Abstract: A pigment represented by the following formula has a CuK? characteristic X-ray diffraction spectrum having, when ? represents a Bragg angle, a peak at 2?±0.20 degrees equal to 10.0 degrees and a peak at 2?±0.20 degrees equal to 11.1 degrees, the intensity ratio of the 11.1 degree peak to the 10.0 degree peak being 0.

Abstract: The invention provides a colorant compound represented by the general formula (I) below. In the general formula (I), R1 and R2 represent independently from each other a species selected from at least one of an alkyl group, an aryl group, an aralkyl group, an alkoxy group, an aryloxy group, an amino group, and a hydroxyl group. R3 and R4 represent independently from each other a species selected from at least one of a hydrogen atom, an alkyl group, an aryl group, a heterocycle group, an amino group, a hydroxyl group, a cyano group, an alkoxy group, an alkylsulfanyl group, a carboxylic acid group, a carboxylic acid ester group, a carboxylic acid thioester group, a carbamoyl group, a nitro group, and a halogen atom. R3 and R4 may optionally be bonded together to form an aromatic ring. Cy represents an aryl group having at least one anionic group.

Abstract: The invention provides a colorant compound represented by the following general formula (1): wherein R1 and R2 represent independently from each other a species selected from at least one of a hydrogen atom, an alkyl group, and an aralkyl group. R3 represents a species selected from at least one of a hydrogen atom, a cyano group, and —COR5, where R5 is any of a hydroxyl group, an alkoxy group, and an amino group. R4 represents a species selected from at least one of a hydrogen atom, an alkyl group, an aryl group, and an aralkyl group. Cy represents an aryl group. Optionally, at least one anionic group may be present in the general formula (1).

Abstract: A dye compound has the following general formula (1). In the general formula (1), A1 denotes N or CR2. When A1 denotes N, R1 denotes an amino group. When A1 denotes CR2, R1 and R2 form an aromatic ring that has an anionic group. R3 denotes an alkyl group, an aryl group, or an aralkyl group. Cy denotes a substituted or unsubstituted aromatic ring.

Abstract: A dye compound represented by the following formula has at least one anionic group: wherein R1 and R2 independently represent an amino or hydroxyl group, A1 represents nitrogen or CR4, R4 and R3 form a first aromatic ring, R3 represents a substituent with a negative Hammett's substituent constant when A1 represents nitrogen, and Cy represents a second aromatic ring.

Abstract: An electrolyte composition is provided which is for use in a dye-sensitized solar cell that carries a dye on a semiconductor and converts light energy to electric energy by photoexcitation of the dye, and which comprises aluminum oxide and water, and has a paste-like form. By using the electrolyte composition for a dye-sensitized solar cell, the concern for liquid leakage can be eliminated, the operation cost and material cost can be reduced through simplification of an encapsulating step and increase in degree of freedom in selection of an encapsulating material, and besides the basic photoelectric conversion characteristics can be improved.

Abstract: An X-ray imaging apparatus includes a substantially C-arm, a support mechanism which rotatably supports substantially the C-arm, a rotation driving unit which drives rotation of substantially the C-arm, an X-ray tube mounted on substantially the C-arm, an X-ray detector mounted on substantially the C-arm, and a control unit which controls at least one of the rotation driving unit and an imaging control unit to make intervals between a plurality of contrast-enhanced images shorter than intervals between a plurality of mask images by changing a rotational speed of substantially the C-arm before and after injection of a contrast medium.

Abstract: A coloring compound is provided which is excellent in coloring ability and transparency, has high solubility in organic solvents, and is superior in light resistance. A toner, a sheet for heat-sensitive transfer recording and an ink that use the coloring compound are also provided.

Abstract: The present invention is a dye represented by the following general formula (1), a method of producing the dye and an ink containing the dye, wherein R1 represents a hydrogen atom, an alkyl group that may be substituted, an aryl group that may be substituted or an aralkyl group that may be substituted; R2 represents an alkyl group that may be substituted, a cycloalkyl group that may be substituted or an aralkyl group that may be substituted; R3 represents an alkyl group that may be substituted, an aryl group that may be substituted or an aralkyl group that may be substituted; X1 through X3 independently represent a hydrogen atom or any substituent; and M represents a counter ion.

Abstract: An X-ray imaging apparatus includes a substantially C-arm, a support mechanism which rotatably supports substantially the C-arm, a rotation driving unit which drives rotation of substantially the C-arm, an X-ray tube mounted on substantially the C-arm, an X-ray detector mounted on substantially the C-arm, and a control unit which controls at least one of the rotation driving unit and an imaging control unit to make intervals between a plurality of contrast-enhanced images shorter than intervals between a plurality of mask images by changing a rotational speed of substantially the C-arm before and after injection of a contrast medium.

Abstract: The present invention is a dye represented by the following general formula (1), a method of producing the dye and an ink containing the dye, wherein R1 represents a hydrogen atom, an alkyl group that may be substituted, an aryl group that may be substituted or an aralkyl group that may be substituted; R2 represents an alkyl group that may be substituted, a cycloalkyl group that may be substituted or an aralkyl group that may be substituted; R3 represents an alkyl group that may be substituted, an aryl group that may be substituted or an aralkyl group that may be substituted; X1 through X3 independently represent a hydrogen atom or any substituent; and M represents a counter ion.

Abstract: A cooling device for cooling a heat-generating component includes a circulating passage arranged to have coolant circulate therein, a centrifugal pump including a first case made of metallic material, a second case made of resin material, and an impeller accommodated in the pump chamber, and a radiator provided at the circulating passage and being operable to release heat from the coolant. The first case has a surface arranged to contact the heat-generating component. The second case forms a pump chamber between the first case and the second case. The pump chamber stores the coolant therein. The impeller includes open-type vanes arranged to pressurize the coolant as to have the coolant flow through the circulating passage. The cooling device has a high cooling efficiency as well as a high operating efficiency of the motor while having a simple construction and a small overall size and a small thickness.

Abstract: An electrolyte composition is provided which is for use in a dye-sensitized solar cell that carries a dye on a semiconductor and converts light energy to electric energy by photoexcitation of the dye, and which comprises aluminum oxide and water, and has a paste-like form. By using the electrolyte composition for a dye-sensitized solar cell, the concern for liquid leakage can be eliminated, the operation cost and material cost can be reduced through simplification of an encapsulating step and increase in degree of freedom in selection of an encapsulating material, and besides the basic photoelectric conversion characteristics can be improved.