203 results about "Luminescent Agents" patented technology

An object is to provide a novel heterocyclic compound which can be used for a light-emitting element, as a host material of a light-emitting layer in which a light-emitting substance is dispersed. Other objects are to provide a light-emitting element having low driving voltage, a light-emitting element having high current efficiency, and a light-emitting element having a long lifetime. Provided are a light-emitting element including a compound in which a dibenzo[f,h]quinoxaline ring and a hole-transport skeleton are bonded through an arylene group, and a light-emitting device, an electronic device, and a lighting device each using this light-emitting element. The heterocyclic compound represented by General Formula (G1) below is provided.

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.

An asymmetric light emitting structure for producing polarized light that includes a light emitting layer having a plurality of light emitting species, wherein orientation of the light emitting species is uncontrolled. Receipt of the emitted light from the light emitting layer is accomplished via an asymmetric geometric element that also produces polarized light. Additionally, the asymmetric light emitting structure includes a means for excitation of the light emitting layer.

Provided is a novel heterocyclic compound which can be used for a light-emitting element, as a host material of a light-emitting layer in which a light-emitting substance is dispersed. A heterocyclic compound represented by a general formula (G1) is provided. In the formula, A represents any of a substituted or unsubstituted dibenzothiophenyl group, a substituted or unsubstituted dibenzofuranyl group, and a substituted or unsubstituted carbazolyl group, R11 to R19 separately represent any of hydrogen, an alkyl group having 1 to 4 carbon atoms, and a substituted or unsubstituted aryl group having 6 to 14 carbon atoms, and Ar represents a substituted or unsubstituted arylene group having 6 to 13 carbon atoms.

The invention discloses a phenyl bistriazole compound, and a preparation method and application thereof, and particularly relates to a 1-[4-(1H-1,2,4-triazole-1-yl)phenyl]-1H-1,2,4-triazole single crystal and a preparation method of 1-[4-(1H-1,2,4-triazole-1-yl)phenyl]-1H-1,2,4-triazole. The organic compound is prepared by heating ethylenediamine, 1H-1,2,4-triazole, potassium carbonate, 1,4-diiodobenzene and cuprous iodide through a one-pot method. The preparation method disclosed by the invention has the characteristics simple process operation, low production cost and less environmental pollution, and is suitable for large-scale industrial production. The 1-[4-(1H-1,2,4-triazole-1-yl)phenyl]-1H-1,2,4-triazole single crystal prepared by the invention can be used in the aspect of photoelectric materials, especially dye and luminescent agents.

The invention relates to a chemiluminescent immunoassay method, in particular to a method for analyzing an acridine ester labeled antigen or an acridine ester labeled antibody and an immunoassay kit prepared by same. An acridine ester label is provided with a special luminescent group in a chemical structure, and the special group directly participates in luminescent reaction in the analyzing process of luminescent immunization; the substance does not have background luminescence usually, can be used for detecting a sample with low concentration or trace concentration in the reaction and is a luminescent agent with high luminescent efficiency; and molecules of acridine ester I and acridine ester II and acridine amide III can be combined with an antibody (antigen) to generate the labeled antibody with high chemiluminescent activity and immunological reaction specificity.

Provided is a novel heterocyclic compound which can be used in a light-emitting layer of a light-emitting element as a host material in which a light-emitting substance is dispersed. A heterocyclic compound represented by a general formula (G1) is provided. Any one of R1 to R10 represents a substituent represented by a general formula (G1-1), another one of R1 to R10 represents a substituent represented by a general formula (G1-2), and the others separately represent hydrogen, an alkyl group having 1 to 6 carbon atoms, a substituted or unsubstituted phenyl group, or a substituted or unsubstituted biphenyl group. Further, α1 and α2 separately represent a substituted or unsubstituted phenylene group or a substituted or unsubstituted biphenyldiyl group, and A1 and A2 separately represent a substituted or unsubstituted carbazolyl group, a substituted or unsubstituted dibenzothiophenyl group, or a substituted or unsubstituted dibenzofuranyl group.

The invention discloses a cigarette tar extract with chemiluminescent properties and a chemiluminescent system thereof. A method of preparing the cigarette tar extract comprises the following steps: the cigarette tar is added to a reagent for extraction, and the cigarette tar extract is obtained. The cigarette tar extract is prepared in an open system under a natural light condition through ultrasonic extraction, the contained luminescent material has stable properties and is insensitive to light, oxygen, temperature and other factors. The extract has a wide luminescent response range for thepH value of a medium, and chemiluminescent reactions can occur under acidic, neutral or alkaline conditions. The raw material for extracting cigarette tar has a wide source, and the preparation methodis simple. The cigarette tar extract has a broad application prospect in the technical field of chemiluminescent analysis and detection.

The invention discloses a stable HRP enzymatic enhanced chemiluminescent substrate solution. The stable enzymatic enhanced chemiluminescent substrate solution is composed of a luminescent agent solution A and an oxidizing agent solution B, which are mixed in volume ratios of 2:3-3:2. The luminescent agent solution A contains a luminescent agent: luminol or luminol derivatives, and a reinforcing agent: p-iodo-pheno, 4-(1, 2, 4-triazole-1-radical) phenol, etc., and the oxidizing agent solution B contains sodium perborate, hydrogen peroxide, etc. The stable HRP enzymatic enhanced chemiluminescent substrate solution of the invention is applied in an HRP enzymatic reaction with the characteristics of short reaction time and long platform period, can be stably preserved for 2 years at 4-8 EDG C, and is widely used in a kit using HRP as the detection object.

A method for detection of mycobacterium tuberculosis antigens in biological fluids provides immunoassay methods, diagnostic kits, and an immunochromatoraphic assay device for detection of Mycobacterium tuberculosis antigens in biological specimens, preferably body fluids and tissues. The preferred body fluids are blood, serum, plasma, urine, pulmonary fluid, sputum, cerebrospinal fluid, and the preferred tissue is the lung biopsy specimen. The immunoassays require two primary antibodies against RD1, RD2, or RD3 of Mycobacterium tuberculosis. At least one of the primary antibodies is attached to a solid carrier. Optional, a second antibody against an animal species producing one of the primary antibodies can be added. Either the other primary antibody or the secondary antibody is labeled with a detection agent, which can be an enzymatic marker, a fluorescent or luminescent agent, a radio active label or a color particle. The biological specimens may be used directly, concentrated or diluted for the immunoassays.

A probe (4) is provided with at least a light projecting optical fiber (9) and a light receiving optical fiber (10) and is configured so that excitation light guided by the light projecting optical fiber is applied to the portion of a living organism which is to be observed and then light emitted, due to the excitation light, from the portion to be observed is received by the light receiving optical fiber. The probe (4) is also provided with an illumination means used for the capture of an image by the image capturing means of an endoscope body. The illumination means is, for example, a light emitting diode which is provided to the front end of the probe, a light guiding optical fiber (11) which guides illumination light from an illumination light source (5c) to the front end of the probe, or a light emitting substance piece which is disposed at the front end of the probe and emits white fluorescent light by excitation.

The invention discloses a dual-enhanced chemiluminescent immunoassay method based on metal enhanced luminescence and nano particle labelled amplification. According to the dual-enhanced chemiluminescent immunoassay method based on metal enhanced luminescence and nano particle labelled amplification, metal nano particles replace conventional polystyrene nano microspheres, and luminescence substances are lebelled on the surface of an isolation layer spaced from the surfaces of the metal nano particles by 5-20nm; chemiluminescence of luminescence substances on sensitized metal nano particles is coupled to plasma waves on the surfaces of the metal nano particles; after resonance is generated, the chemiluminescence is emitted in the form of relatively high light intensity and relatively high attenuation speed. On the basis of a conventional chemiluminescence immunoassay technology, a metal enhanced luminescence technology and a nano particle labelled amplification technology are organically integrated; therefore, the dual-enhanced chemiluminescent immunoassay method has the advantages of high sensitivity, high detection speed and the like.

Objects of the present invention are to provide the following: a novel heterocyclic compound which can be used as a material in which a light-emitting substance of a light-emitting layer in a light-emitting element is dispersed; a novel heterocyclic compound having a high electron-transport property; a light-emitting element having high current efficiency; and a light-emitting device, an electronic device and a lighting device each having reduced power consumption. Provided are a heterocyclic compound represented by General Formula (G1-1) or (G1-2) below, and a light-emitting element, a light-emitting device, an electronic device and a lighting device each including the heterocyclic compound. Such use of the heterocyclic compound represented by General Formula (G1-1) or (G1-2) makes it possible to provide a light-emitting element having high current efficiency, and a light-emitting device, an electronic device and a lighting device each having reduced power consumption.

The present invention relates to a method for measuring airborne microorganisms in real time using a microorganism lysis system and ATP bioluminescence, the method including sampling the airborne microorganisms in a particle classification device to which an ATP-reactive luminescent agent is applied and, at the same time, lysing the microorganisms in a microorganism lysis system under continuous operation to extract adenosine triphosphate (ATP) of the microorganisms sampled in the particle classification device, thus inducing a luminescent reaction between the ATP-reactive luminescent agent and the ATP of the particle classification device in real time; and measuring the concentration of microorganisms using a light receiving device. According to the detection method using ATP organism illumination, the floating microorganisms in the gas phase can be readily detected and the detection can be automatically conducted in real time without manual labor.

The present invention provides a near-infrared-absorbing material including: a luminescent agent, and a near-infrared-absorbing compound obtained by oxidizing a compound represented by the following formula (II):wherein R211, R212, R221, R222, R231, R232, R241 and R242 each independently represent a hydrogen atom, an aliphatic group or an aromatic group; R203, R213, R223, R233 and R243 each independently represent a substituent group; and n203, n213, n223, n233 and n243 each independently represent an integer from 0 to 4.

Provided is a novel organic compound that is used as a host material in which a light-emitting substance is dispersed. The organic compound is represented by General Formula (G1). In the formula, A represents a substituted or unsubstituted dibenzofuran-diyl group, a substituted or unsubstituted dibenzothiophene-diyl group, a substituted or unsubstituted N-aryl-9H-carbazole-diyl group, or a substituted or unsubstituted N-alkyl-9H-carbazole-diyl group; Ar1 and Ar2 each independently represent a single-bond or a substituted or unsubstituted arylene group; R11 to R19 and R21 to R29 each independently represent hydrogen, an alkyl group having 1 to 6 carbon atoms, or a substituted or unsubstituted aryl group having 6 to 13 carbon atoms; X1 and X2 each independently represent a carbon atom or a nitrogen atom; and the carbon atom is bonded to hydrogen, an alkyl group having 1 to 6 carbon atoms, or a substituted or unsubstituted aryl group having 6 to 13 carbon atoms.

The invention relates to a manufacture method and application of a silver hybridization SBA-15 electrochemical luminescence immunosensor. Ru(bpy)32+ is used as a luminescent material, a mesoporous nanometer material SBA-15 has large specific surface area and good biological compatibility and can be used as a substrate material fixing and carrying the Ru(bpy)32+ and tumor marker antibody, an anionic surfactant of sodium dodecyl sulfate is wrapped on the surface of the SBA-15, more Ru(bpy)32+ is absorbed through electrostatic interaction, silver nano particles are hybridized in the SBA-15, and luminescence of the Ru(bpy)32+ is promoted. The electrochemical luminescence immunosensor for a tumor marker has the advantages of being low in cost, high in sensitivity, good in specificity, fast in detecting and simple in preparation process and is applicable to fast detecting of various tumor markers in serum.

To provide a light-emitting element and a light-emitting device which can be designed and manufactured with redundancy. A light-emitting element of the invention includes a pair of electrode, and a layer containing a light-emissive substance between the pair of electrodes. The layer containing a light-emissive substance includes a layer containing a composite material, and the layer containing a composite material includes an organic compound and an inorganic compound. The concentration ratio of the organic compound to the inorganic compound changes periodically. The layer containing a composite maternal can be changed in electrical characteristics without changing the composition ratio of the organic compound to the inorganic compound in the layer or changing the kind of compounds used for the layer.

A novel light-emitting element is provided. A light-emitting element with favorable emission efficiency is provided. A light-emitting element with favorable color purity is provided. The light-emitting element includes an anode, a cathode, and a layer including a light-emitting substance between the anode and the cathode. The layer including a light-emitting substance includes a light-emitting layer and an electron-transport layer. The light-emitting layer and the electron-transport layer are in contact with each other. The electron-transport layer is between the light-emitting layer and the cathode. The light-emitting layer includes a metal-halide perovskite material represented by a general formula (SA)MX3, a general formula (LA)2(SA)n−1MnX3n+1, or a general formula (PA)(SA)n−1MnX3n+1. The electron-transport layer includes a 1,10-phenanthroline derivative including a 1,10-phenanthroline skeleton having a substituent at one of 2- and 9-positions or substituents at both of the 2- and 9-positions.

The invention discloses a chemoluminescent substrate, which can be applied in the field of immunological detections, and comprises luminescent agent solution and oxidant solution, wherein the luminescence agent solution contains reinforcers, namely 4-hydroxydiphenyl and 4-iodo-borophenylic acid, a luminescent agent, namely luminal or luminal derivatives and buffer solution. The chemoluminescent substrate has high stability, good luminescence effect, long luminescent time, high sensitivity and low cost.

An organic EL device in which light-emitting efficiency, color purity and laser induced thermal imaging characteristics are improved by providing with an organic EL device comprising a first electrode, a hole transport layer, a light-emitting layer, and a second electrode, wherein the light-emitting layer uses a mixture of an optically active low molecular electric charge transport material and a high molecular light-emitting substance.

The invention relates to the technical field of pesticide residue analysis and determination, in particular to an electrochemiluminescence sensor constructed based on hollow copper-cobalt-MOF and usedfor simultaneously detecting two pesticides and a method for measuring acetamiprid and malathion by using the electrochemiluminescence sensor. The method comprises the steps of preparing the electrochemiluminescence sensor, operating the sensor to simultaneously measure acetamiprid and malathion and the like. According to the sensor for simultaneously detecting the two pesticides, hollow copper-cobalt-MOF enhanced luminol and g-C3N4 compounded by gold nanoparticles are used as an electrochemical luminescence substance, so that the two pesticides including acetamiprid and malathion are simultaneously detected. The electrochemiluminescence sensor for simultaneously detecting the two pesticides based on the hollow copper-cobalt-MOF is simple in material synthesis, small in interference of the two luminescent substances, high in sensitivity and good in selectivity.

It is an object of the present invention to provide a luminescent polymer that is useful as a luminescent signal probe for labeling and detecting a target substance at high sensitivity in bioassay, and to provide the application of said luminescent polymer to bioassay. The luminescent polymer of the present invention comprises at least one biotin covalently attached to a polymer that includes monosaccharide or amino acid as a constituent monomer covalently attached to a luminescent substance. Preferably, two or more biotins are attached. Examples of the above-mentioned luminescent substance include cyanoisoindoles, luminols, and acridinium esters, and examples of the polymer include polysaccharides, polyamino acids, peptides, polypeptides, and proteins.

The invention discloses a carbohydrate antigen CA19-9 assay kit. The kit comprises a magnetic separation reagent R1, a labeling reagent R2, a CA19-9 calibration product and a CA19-9 quality control product. The invention also provides a preparation method of the kit. The magnetic separation reagent R1 in the kit is prepared through coupling a CA19-9 monoclonal antibody to the surface of a carboxyl magnetic bead. The labeling reagent R2 is prepared through coupling a luminescent substance acridinium ester to a paired CA19-9 monoclonal antibody. The reactions occur under nearly homogeneous conditions. Through use of an excitation solution, the reaction product antibody-antigen-antibody sandwich complex can immediately release photons at 430 nm and can release strong photons without use of a luminescent enhancer and a catalyst so that luminescence detection can be directly carried out. Through optimizing the experimental processes of magnetic bead coating with an antibody and antibody labeling with acridinium ester, the stability and the detection sensitivity of the kit are greatly improved. The kit has a wide linear detection range, is easy to operate and has a fast detection rate.

Occurrence of a crosstalk phenomenon in a light-emitting device is inhibited. A light-emitting device including an insulating layer 416; a first lower electrode 421a formed over the insulating layer; a second lower electrode 421b formed over the insulating layer; a partition 418 formed over the insulating layer and positioned between the first lower electrode and the second lower electrode; a stacked-layer film 423 which is formed over the first lower electrode, the partition, and the second lower electrode and includes a light-emitting layer containing a light-emitting substance and a layer having higher conductivity than that of the light-emitting layer; an upper electrode 422 formed over the stacked-layer film; and a shield electrode 419 which is formed under the partition and does not overlap with the first lower electrode and the second lower electrode.

An object of the present invention is to provide a resin composition which can be detected both by X-ray radiation and by fluorescence or phosphorescence, and a molded article obtained from the resin composition. The present invention provides a resin composition containing a light-emitting substance and a radiopaque substance; in which the light-emitting substance is a near-infrared fluorescent material or a phosphorescent material. a radiopaque substance of the resin composition is any one of barium sulfate, bismuth oxide, bismuth subcarbonate, calcium carbonate, aluminum hydroxide, tungsten, zinc oxide, zirconium oxide, zirconium, titanium, platinum, bismuth subnitrate, and bismuth. A molded article can be obtained by processing any one of the resin compositions described above.

The invention relates to a composition for coding having at least one pair of mutually associated luminescent substances having first and second luminescent substances which emit in a joint emission range located outside the visible spectral range. The emission spectra of the first and second luminescent substances overlap in at least a subrange of the stated emission range such that the emission spectrum of the first luminescent substance is complemented by the emission spectrum of the second luminescent substance.

The invention provides a preparation method for a series of acridine chemiluminescence agents. The preparation method comprises the following steps: 1, dissolving 4-aminobutyric acid in a first solvent, stirring, cooling, sequentially adding triethylamine and p-toluenesulfonyl chloride, and carrying out pressure reduction solvent removing to obtain a product (a compound 2); 2, placing 9-acridinecarboxylic acid in a round bottom flask, adding a second solvent to dissolve the 9-acridinecarboxylic acid, stirring, cooling, sequentially adding a third solvent, carrying out a reaction, filtering the obtained solid, collecting the filtrate to obtain a filtrate A, dissolving the compound 2 with the second solvent, cooling, slowly adding an inorganic alkali in batches, carrying out a reaction, slowly adding the filtrate A to the reaction system in a dropwise manner, heating the reaction system to a room temperature, and carrying out the reaction overnight; and 3, placing a compound 3 in a flask, adding 1,3-propanesultone, stirring, carrying out a heating reaction, cooling to a room temperature, washing, filtering, and collecting the solid to obtain a compound 4 crude product. With the method, characteristics of simple process, green environmental protection, and low cost are provided.

A novel light-emitting element is provided. A light-emitting element with high emission efficiency is provided. A light-emitting element with high color purity is provided. The light-emitting element includes an anode, a cathode, and a layer including the light-emitting substance between the anode and the cathode. The layer including the light-emitting substance includes a light-emitting layer, a first electron-transport layer, and a second electron-transport layer. The light-emitting layer and the first electron-transport layer are in contact with each other. The first electron-transport layer and the second electron-transport layer are in contact with each other. The first electron-transport layer and the second electron-transport layer are positioned between the light-emitting layer and the cathode. The light-emitting layer includes a metal-halide perovskite material represented by General Formula (SA)MX3, General Formula (LA)2(SA)n-1MnX3n+1, or General Formula (PA)(SA)n-1MnX3n+1. The first electron-transport layer includes a first electron-transport material, and the second electron-transport layer includes a second electron-transport material.