528results about "Diaryl/thriaryl methane dyes" patented technology

The present invention provides novel, water-soluble, red-emitting fluorescent rhodamine dyes and red-emitting fluorescent energy-transfer dye pairs, as well as labeled conjugates comprising the same and methods for their use. The dyes, energy-transfer dye pairs and labeled conjugates are useful in a variety of aqueous-based applications, particularly in assays involving staining of cells, protein binding, and/or analysis of nucleic acids, such as hybridization assays and nucleic acid sequencing.

The object of the present invention is to provide a radiation-sensitive colored composition which can supress the generation of the contamination of the device.

A radiation-sensitive colored composition including: (A) a dye containing of from 10 ppm to 1000 ppm of a halogen ion; (B) a polymerizable compound; and (C) a solvent.

The present invention provides novel, water-soluble, red-emitting fluorescent rhodamine dyes and red-emitting fluorescent energy-transfer dye pairs, as well as labeled conjugates comprising the same and methods for their use. The dyes, energy-transfer dye pairs and labeled conjugates are useful in a variety of aqueous-based applications, particularly in assays involving staining of cells, protein binding, and/or analysis of nucleic acids, such as hybridization assays and nucleic acid sequencing.

Provided are: a compound represented by formula (I):

(wherein ring A and ring D each represent a cyclic group which may have a substituent(s); E and G each represent a bond or a spacer having 1 to 8 atoms in its main chain; L represents a hydrogen atom or a substituent; X represents amino which may have a substituent(s), or a heterocyclic group which contains at least one nitrogen atom and which may have a substituent(s); n represents 0 to 3, in which when n is 2 or more, a plurality of ring A's may be the same or different from one another); a salt thereof; an N-oxide form thereof; a solvate thereof, a prodrug thereof; and a medicament which includes those. The compound represented by formula (I) is capable of binding S1P receptors (in particular, EDG-1 and/or EDG-6), and useful for preventing and/or treating rejection in transplantation, autoimmune diseases, allergic diseases, etc.

The light emitting device of the present invention relates to a light emitting device which is characterized in that it is a device with an emissive substance present between an anode and cathode, and which emits light by means of electrical energy, and said device has a least one type of compound denoted by (a) to (d) below. (a) A compound having a plurality of 1,7-phenanthroline skeletal structures (b) A benzoquinoline derivative (c) A spiro compound represented by general formula (1) A1 and A2 are each selected from single bonds, substituted or unsubstituted alkyl chains, ether chains, thioether chains, ketone chains and substituted or unsubstituted amino chains. However, A1<> A2. Z represents carbon or silicon. R1 to R16 are each selected from hydrogen, alkyl group, cycloalkyl group, aralkyl group, alkenyl group, cycloalkenyl group, alkynyl group, hydroxyl group, mercapto group, alkoxy group, alkylthio group, aryl ether group, aryl thioether group, aryl group, heterocyclic group, halogen, haloalkane, haloalkene, haloalkyne, cyano group, aldehyde group, carbonyl group, carboxyl group, ester group, carbamoyl group, amino group, nitro group, silyl group, siloxanyl group and a cyclic structure formed with an adjacent substituent. (d) A tetraphenylmethane derivative represented by general formula (2) R17 to R36 are each selected from hydrogen, alkyl group, cycloalkyl group, aralkyl group, alkenyl group, cycloalkenyl group, alkynyl group, hydroxyl group, mercapto group, alkoxy group, alkylthio group, aryl ether group, aryl thioether group, aryl group, heterocyclic group, halogen, haloalkane, haloalkene, haloalkyne, cyano group, aldehyde group, carbonyl group, carboxyl group, ester group, carbamoyl group, amino group, nitro group, silyl group, siloxanyl group and a cyclic structure formed with an adjacent substituent. However, at least one of R17 to R36 is selected from substituents represented by general formula (3). -X-Ar (3) X is a single bond or is selected from the following, and Ar denotes a condensed aromatic ring or heteroaromatic ring. In the case where X is phosphorus oxide, then Ar represents an aromatic hydrocarbon or heteroaromatic ring. n is an natural number.

A light-emitting material which serves to emit light having a high brightness and is almost free of deterioration in light emission, and an organic EL device for which the light-emitting material is adapted, the material having the formula [1],

The present invention provides a process for producing nano graphene platelets (NGPs) that are both dispersible and electrically conducting. The process comprises: (a) preparing a pristine NGP material from a graphitic material; and (b) subjecting the pristine NGP material to an oxidation treatment to obtain the dispersible NGP material, wherein the NGP material has an oxygen content no greater than 25% by weight. Conductive NGPs can find applications in transparent electrodes for solar cells or flat panel displays, additives for battery and supercapacitor electrodes, conductive nanocomposite for electromagnetic wave interference (EMI) shielding and static charge dissipation, etc.

A laundry care composition comprises a laundry care ingredient or adjunct and at least one compound that is capable of changing from a first color state (i.e., the initial color state in the composition) to a second color state that is perceptibly different from the first color state. A method for treating textile articles comprises the steps of: (a) providing a laundry care composition as described above; (b) adding the laundry care composition to a liquid medium; and (c) placing the textile articles in the liquid medium.

Dye labeled imidazonaphthyridine, imidazopyridine and imidazoquinoline compounds having immune response modulating activity are disclosed. The compounds arc useful, inter alia, for determining the binding and/or receptor sites of the molecules.

There are described novel rhodol dye compounds The dye compounds exhibit a first color when in the crystalline form and a second color, different from the first color, when in the liquid, amorphous form.

Provided is a benzofluorene compound which exhibits excellent performances when applied to an organic electroluminescent device.

In the benzofluorene compound, a central five-membered ring in a benzofluorene skeleton is substituted with aryl, and a benzene ring condensed to the five-membered ring is substituted with aryl, diarylamino and the like.

The present invention provides a class of chemical compounds useful as efficacious drugs in the treatment of sickle cell disease and diseases characterized by unwanted or abnormal cell proliferation. The active compounds are substituted triaryl methane compounds or analogues thereof where one or more of the aryl groups is replaced with a heteroaryl, cycloalkyl or heterocycloalkyl group and/or the tertiary carbon atom is replaced with a different atom such as Si, Ge, N or P. The compounds inhibit mammalian cell proliferation, inhibit the Gardos channel of erythrocytes, reduce sickle erythrocyte dehydration and/or delay the occurrence of erythrocyte sickling or deformation.

Disclosed herein is a process for preparing a reaction product containing methylene diphenylamine, comprising reacting aniline and formaldehyde in the presence of an acid catalyst wherein the acid level of the resulting reaction mixture is reduced during digestion of the reaction mixture.

To provide a two-photon absorption dye-containing material having a great off-resonant two-photon absorption cross section and comprising a two-photon absorption dye capable of decoloring itself through off-resonant two-photon absorption, useful for a three-dimensional refractive index or absorption index modulation material, a three-dimensional optical recording medium, three-dimensional refractive index modulation method and recording and reproducing method for a three-dimensional optical recording medium a two-photon absorption dye-containing material comprising at least a two-photon absorption dye capable of decoloring itself through two-photon absorption.

Sulfonated diarylrhodamine compounds are useful as fluorescent labels of nucleosides, nucleotides, polynucleotides, and polypeptides. The compounds find particular application in the area of fluorescent nucleic acid analysis, e.g., automated DNA sequencing and fragment analysis, detection of probe hybridization in hybridization arrays, detection of nucleic acid amplification products, and the like.

Compounds having a diphenylmethane skeleton are superior in broad utility and stability, and are useful as a protecting reagent (anchor) of amino acid and/or peptide in the liquid phase synthesis and the like of a peptide having a C-terminal etc., which are of a carboxamide(-CONHR)-type, and in organic synthetic reaction methods (particularly peptide liquid phase synthetic methods), and may be contained in a kit for peptide liquid phase synthesis.

Charge transport compounds are described that have a multiple number of hydrazone-bridged heterocyclic groups (especially julolidine, carbazole and/or triarylmethane groups) connected by a central bridging group. An example of charge transport compounds are those having the following generic formula:(R-Q)n-Y Formula Iwherein R is selected from the group consisting of julolidine ring groups, carbazole ring groups, and triarylmethane ring groups; Q comprises an aromatic hydrazone linking group, such as Y comprises a bridging group between R-Q- groups, such as a bond, carbon atom, nitrogen atom, oxygen atom, sulfur atom, a methylene group; Z is an aryl group, preferably a phenyl group or naphthyl group; X is a linking group, preferably amethylene group, and for example having the formula -(CH2)m- (branched or linear), where m is an integer between 0 and 20, inclusive, and one or more of the methylene groups is optionally replaced by an oxygen atom, a carbonyl group, urethane, urea, an ester group, a -NR6 group, a CHR7 group, or a CR8R9 group where R6, R7, R8, and R9 are, independently, H, an alkyl group, or aryl group; and n is an integer between 2 and 6, inclusive. An organic photoreceptor includes that compound and (b) a charge generating compound; and (c) an electrically conductive substrate.

The present invention relates to a method for the production of a sol-gel based matrix. The method comprises the steps of: a) providing a first alkoxysilane of the general formula: R¹—Si(OR²)3 and a second alkoxysilane of the general formula (I): b) preparing a first sol-gel component by polymerisation of the first alkoxysilane in the presence of an acid catalyst, c) preparing a second sol-gel component by polymerisation of the second alkoxysilane in the presence of an Lewis acid catalyst, d) Mixing the first sol-gel component and the second sol-gel component for the preparation of a sol-gel based matrix. The above method results in a sol-gel based matrix with high stability and high porosity. The sol-gel based material may be used for the production of a composite or sensor suitable for monitoring analytes. Methods for preparing these composites or sensors are provided as well.

A color material dispersion liquid comprising a color material represented by the following general formula (I), a dispersant, and a solvent having a solubility of the color material of 0.1 (mg/10 g solvent) or less at 23° C.,

having excellent solvent resistance and excellent electrical reliability; a color resin composition for color filters, which can form a color layer that has high contrast, excellent solvent resistance and excellent electrical reliability; a color filter formed with the color resin composition for color filters; a liquid crystal display device having the color filter; and an organic light-emitting display device having the color filter.