Abstract: An apparatus that facilitates search and rescue, for example, in open water. The apparatus comprises a substrate with a particular geometry and a perimeter. The apparatus further comprises a cover positioned atop the substrate with the cover also having a particular geometry and perimeter, which correspond to the geometry and perimeter of the substrate. An air-tight seal seals the substrate perimeter to the cover perimeter and creates a sealed internal region. A liquid-releasable vessel holding an illuminable dye located in the sealed internal region, along with an activator that is also located in the sealed internal region. When the liquid-releasable vessel releases the illuminable dye, the illuminable dye reacts with the activator, thereby resulting in illumination of the illuminable dye. The liquid-releasable vessel comprises an opening with a release mechanism (e.g., clamp, etc.).

Abstract: Formulations that, when suitably mixed, form edible liquid solutions suitable for blowing bubbles. These formulations contain water, a surfactant, a thickener, a pH adjusting agent/preservative, and optionally a sweetener. The formulations may be provided in either solid form or liquid form, either of which may form an edible bubble solution when mixed with a sufficient quantity of a beverage or similar liquid.

Abstract: The disclosure is directed to compounds of the formula (I): and uses of such compounds to treat neurodegenerative diseases and cancers.

Abstract: The present invention concerns a method for determining the concentration of cationic polymers present in a sample, according to the following steps: —bringing the cationic polymer or polymers present in the sample into contact with, and enabling the interaction thereof with, a developer solution comprising lanthanide (III) ions and at least one bonding agent, and —exciting the sample at an excitation wavelength ?exc and detecting, by time resolved photoluminescence, a signal originating from the lanthanide (III) ions having interacted with the at least one bonding agent having previously interacted with the cationic polymer or polymers, at an emission wavelength ?em, and —determining the cationic polymer concentration of the sample by using the signal detected at the emission wavelength ?em, the sample originating from water originating from municipal or industrial water or sludge treatment processes.

Abstract: The object of present invention is to provide a chemiluminescent aerosol product that can easily form an expected quantity of a chemiluminescent composition which exhibits excellent storage stability, is stably self-held for a long period of time and achieves a good luminous effect. This aerosol product includes a double-structure container provided with a discharging mechanism for simultaneously discharging contents filled in two liquid concentrate filling spaces. A propellant filling space is filled with a propellant composed of a compressed gas, a first liquid concentrate filling space is filled with a first liquid concentrate composition containing an oxalic acid ester, a fluorescent substance and a thickener, and having a viscosity of 10,000-200,000 mPa·s (20° C.

Abstract: Alkaline phosphatase chemiluminescent substrate formulations are provided exhibiting rapid incubation periods and improved stability for use in immunoassays.

Abstract: A self-healing polymeric material includes a polymeric matrix material, a plurality of monomer mixture microcapsules dispersed in the polymeric matrix material, and a plurality of light generating microcapsules dispersed in the polymeric matrix material. Each monomer mixture microcapsule encapsulates a mixture of materials that includes monomers and a photoinitiator. Each light generating microcapsule encapsulates multiple reactants that undergo a chemiluminescent reaction. The chemiluminescent reaction generates a photon having a wavelength within a particular emission range that is consistent with an absorption range of the photoinitiator.

Abstract: A multi-compartment microcapsule emits photons when subjected to a stimulus. In some embodiments, the multi-compartment microcapsules have first and second compartments separated by an isolating structure adapted to rupture in response to the stimulus, wherein the first and second compartments contain reactants that come in contact and react to produce photons when the isolating structure ruptures.

Abstract: A self-healing polymeric material includes a polymeric matrix material, wherein dispersed within the polymeric matrix material is a mixture of materials that includes monomers and a photoinitiator, and a plurality of light generating microcapsules dispersed in the polymeric matrix material. Each light generating microcapsule encapsulates multiple reactants that undergo a chemiluminescent reaction. The chemiluminescent reaction generates a photon having a wavelength within a particular emission range that is consistent with an absorption range of the photoinitiator.

Abstract: In some embodiments, the instant invention provides a chemiluminescent system, including: an activator system, including: (a) at least one first solvent, (b) at least one peroxide, (c) at least one catalyst, (d) at least one second solvent, where the at least one second solvent is selected from the group consisting of: tert-butanol, 3-methyl-3-pentanol, 2-methyl-2-butanol, ethyl 2-hydroxyisobutyrate, methyl 2-hydroxyisobutyrate, ethylene glycol, propylene glycol, ethylene glycol monomethyl ether, ethylene glycol diethyl ether, ethylene glycol monobutyl ether, ethylene glycol dibutyl ether, propylene glycol dimethyl ether, and a combination thereof; where a combination of the at least one first solvent and the at least one second solvent is present in a sufficient amount in the chemiluminescent system so as to result in the chemiluminescent system producing a light having an illuminescence between 0.1 1× and 35,000 1× at a temperature ranging from ?110 degrees Celsius to 75 degrees Celsius.

Abstract: Disclosed are a novel semiconductor composition comprising at least one organic semiconductor in a liquid medium and the use thereof the production of organic semiconductor devices, in particular organic field effect transistors, organic solar cells, light-emitting diodes and sensors.

Abstract: The invention generally relates to methods of making substituted arenes via direct C—H amination. More specifically, methods of making para- and ortho-substituted arenes via direct C—H amination are disclosed. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.

Abstract: Provided are a process for preparing a crystalline organic semiconductor material wherein the conditions of crystallization lead to the formation of crystals at the gas liquid interface having advantageous semiconductor properties, the obtained crystalline organic semiconductor material and the use thereof for the production of organic semiconductor devices, in particular organic field effect transistors and organic solar cells.

Abstract: Disclosed are an enhancement solution for enhancing chemiluminescence, and a method for preparing a chemiluminescent solution. The method comprises Step A: dissolving methylglucamine in water, adjusting the pH to 8-9, then adding an N-alkyldimethylmannosamine quaternary ammonium salt, acridine orange, BSA, glycine, MgCl2, and ZnCl2 respectively to a diethanolamine solution, stirring to dissolve them, and diluting to a constant volume, to obtain an enhancement solution; and Step B: diluting a chemiluminescent substrate with the enhancement solution, to obtain a chemiluminescent solution. When used in the field of immunoassays, the enhancement solution of the present invention increases the sensitivity and linear range of detection, reduces the cost, and is free of contamination.

Abstract: The present invention relates to methods of enhancing chemiluminescence from a chemiluminescent label comprising contacting a chemiluminescent label with an acid in the presence of a degradable cationic surfactant and hydrogen peroxide followed by the addition of a base. Related kits containing such degradable cationic surfactant are also provided. The degradable cationic surfactant can compress light emission time of the chemiluminescent label to an extent that is comparable to or shorter than conventional surfactants. The degradable cationic surfactant can also increase chemiluminescence of the chemiluminescent label, providing increased light emission output that is comparable to conventional surfactants.

Abstract: Chemiluminescent materials are provided that include an encapsulated oxalate-containing composition that includes a core portion and a polymeric coating, a peroxide source, and a fluorescent dye. The core portion includes an oxalate; a polymerizable component composition that polymerizes upon exposure to ultraviolet radiation; a photosensitizer; and an ultraviolet screening agent. The polymeric coating layer surrounding the core portion comprises a polymer derived from the polymerizable component composition. A fluorescent dye may be intermixed in the oxalate-containing composition, intermixed with the peroxide source, present in the chemiluminescent material as a separate dye layer or particle, or present within another component of the chemiluminescent material. A method for making the chemiluminescent material is also provided.

Abstract: Methods for generating a chemiluminescent enzyme substrate in situ, in aqueous or other assay conditions. Also disclosed are methods to use the substrates to generate light, detect and/or quantify enzymes, antigens, and/or nucleic acids. Kits relating to these methods are also disclosed.

Abstract: This invention relates to a stable, highly visible, multiple use, chemiluminescent composition of matter and aerosol system capable of articulating, communicating, displaying or marking, night-time chemiluminescent messages, in the form of written text, numerics, alpha-numerics, figures, drawings, emergency messages, trail markings, lanterns or distress calls, directly onto various substrates and surfaces, including dark or non-reflective objects and outdoor natural surfaces such as grass, trees or land. The invention functions by co-dispensing two vessels, each of which is pressurized by means of a non-flammable liquid or gaseous propellant. The chemical ingredients from each vessel are combined upon contact with the surface or by means of a mixing valve or upon attached to the actuators of each vessel, which simultaneously eject the contents of both vessels and produce a chemiluminescent aerosol spray.

Abstract: An aqueous-based self-illuminating bubble-forming composition is provided. The composition comprises an oxalate component comprising an oxalate ester and a solvent; an activator component comprising a peroxide, a catalyst, and water; a surfactant; and a fluorescer in admixture with an aqueous bubble-forming solution. One or more of the same or different surfactants may be present in the activator component; the oxalate component; the activator component and the oxalate component; the aqueous bubble-forming solution; the activator component and the aqueous bubble-forming solution; the oxalate component and the aqueous bubble-forming solution; or in the oxalate component, the activator component and the aqueous bubble-forming solution.

Abstract: In some embodiments, the instant invention provides a chemiluminescent system, including: an activator system, including: (a) at least one first catalyst including at least one benzyl amine; (b) at least one second catalyst including at least one of: (i) a salicylate derivative, and (ii) a benzoate derivative; (c) at least one first solvent, and (d) at least one peroxide, where the at least one first catalyst is present in an amount ranging from 1 to 99 percent by weight of a combination of the at least one first catalyst and the at least one second catalyst; where the at least one second catalyst is present in an amount ranging from 99 to 1 percent by weight of the combination of the at least one first catalyst and the at least one second catalyst; and where the chemiluminescent system has at least one chemiluminescent property.

Abstract: The present disclosure relates to a powder composition comprising both chemiluminescent and fluorescent components. In some embodiments, the disclosure provides a marking system, which is in powder form, comprising at least one oxalate ester, at least one fluorescer, at least one peroxide, at least one catalyst, and at least one secondary fluorescent agent. In accordance with the present disclosure, the at least one oxalate ester, the at least one fluorescer, the at least one peroxide, and the at least one catalyst are admixed at the time of use for the generation of light. In certain embodiments, the chemiluminescent components emit light in the visible, ultra-violet, or infrared spectrum as the result of a chemical reaction, and the secondary fluorescent components can be selected for their ability to absorb at least some of the light generated by the chemiluminescent components, and then reemit light at a different wavelength.

Abstract: Chemiluminescent compositions, methods, assays and kits for oxidative enzymes are described. Further disclosed are dioxetane compounds of the form: where R can independently be any branched alkyl or cycloalkyl group which provides stabilization for the dioxetane or where both R groups together form a cycloalkyl or polycycloalkyl moiety spiro bound to the dioxetane ring, wherein each R group or the spiro bound moiety can be unsubstituted or substituted with one or more electron-withdrawing groups or electron donating groups, or groups providing preferential oxidative isozyme substrate recognition, and wherein R1 is an aryl group, or an alkyl group of 1-20 carbon atoms, which can be optionally substituted with 1 or more halogen atoms, and wherein T is an aryl or heteroaryl ring capable of emitting light upon enzyme activated decomposition of the dioxetane I. Kits, methods and assays are also disclosed that comprise the dioxetane compounds.

Abstract: In some embodiments, the instant invention provides a chemiluminescent system, including: an oxalate system, including: (a) at least one oxalate ester in an amount ranging from 3 to 60 percent by weight based on a total weight of the oxalate system, (b) at least one first solvent selected from the group consisting of: alkyl benzoates, dialkyl phthalates, trialkyl acetylcitrates, 2-acetyloxy isobutyrates, paraffinic liquids, isoparaffinic liquids, toluene, nitroethane, in an amount ranging from 10 to 97 percent by weight based on the total weight of the oxalate system, (c) at least one second solvent is selected from the group consisting of: dialkyl malonates, dialkyl dialkylmalonates, dialkyl arylalkylmalonates, dialkyl succinates, dialkyl glutarates, dialkyl adipates, dialkyl pimelates, dialkyl polyalkylmalonates, (d) at least one fluorescer, and (e) at least one inorganic salt in an amount ranging from 0.1 to 30 percent by weight based on the total weight of the oxalate system.

Abstract: In some embodiments, the instant invention provides a chemiluminescent system, including: an activator system, including: (a) at least one first catalyst including at least one benzyl amine; (b) at least one second catalyst including at least one of: (i) a salicylate derivative, and (ii) a benzoate derivative; (c) at least one first solvent, and (d) at least one peroxide, where the at least one first catalyst is present in an amount ranging from 1 to 99 percent by weight of a combination of the at least one first catalyst and the at least one second catalyst; where the at least one second catalyst is present in an amount ranging from 99 to 1 percent by weight of the combination of the at least one first catalyst and the at least one second catalyst; and where the chemiluminescent system has at least one chemiluminescent property.

Abstract: In some embodiments, the present invention is a chemiluminescent system, including: an oxalate system, including: (a) at least one oxalate ester, (b) at least one first solvent selected from the group consisting of alkyl benzoates, dialkyl phthalates, trialkyl acetylcitrates, 2-acetyloxy isobutyrates, paraffinic liquids, isoparaffinic liquids, toluene, nitroethane, and a combination thereof, (c) at least one second solvent selected from the group consisting of: dialkyl malonates, dialkyl dialkylmalonates, dialkyl arylalkylmalonates, dialkyl succinates, dialkyl glutarates, dialkyl adipates, dialkyl pimelates, dialkyl polyalkylmalonates and a combination thereof, (d) at least one fluorescer, and (e) at least one inorganic salt, and an activator system, including: (a) at least one peroxide, (b) at least one third solvent, (c) at least one fourth solvent, and (d) at least one catalyst.

Abstract: Described herein is an apparatus comprising an electrochemical cell that employs a capacitive counter electrode and a faradaic working electrode. The capacitive counter electrode reduces the amount of redox products generated at the counter electrode while enabling the working electrode to generate redox products. The electrochemical cell is useful for controlling the redox products generated and/or the timing of the redox product generation. The electrochemical cell is useful in assay methods, including those using electrochemiluminescence. The electrochemical cell can be combined with additional hardware to form instrumentation for assay methods.

Abstract: Provided are an oxidizing liquid for a chemiluminescent material, which has a flash point higher than that of a conventional oxidizing liquid and also has high safety while maintaining the level of chemiluminescent performance; and a chemiluminescence system. Disclosed are an oxidizing liquid for a chemiluminescent material, which produces a chemiluminescence phenomenon when mixed with a fluorescent liquid containing an oxalic acid ester and a fluorescent substance, includes hydrogen peroxide and a solvent and has a flash point of 60° C. or higher, wherein a solvent to be contained in the oxidizing liquid is a mixture of at least two compounds other than phthalate compounds; and a chemiluminescence system using the oxidizing liquid and a fluorescent liquid.

Abstract: The present invention concerns a system and method for the luminescence detection of an analyte in a liquid sample. The system comprises a support on which an analyte-specific substance and a reference substance are located. The analyte-specific substance is able to emit a first luminescence signal on contact with the analyte and the reference substance is able to emit a second luminescence signal which is substantially quenched by contact with the liquid sample.

Abstract: An aqueous-based self-illuminating bubble-forming composition is provided. The composition comprises an oxalate component comprising an oxalate ester and a solvent; an activator component comprising a peroxide, a catalyst, and water; a surfactant; and a fluorescer in admixture with an aqueous bubble-forming solution. One or more of the same or different surfactants may be present in the activator component; the oxalate component; the activator component and the oxalate component; the aqueous bubble-forming solution; the activator component and the aqueous bubble-forming solution; the oxalate component and the aqueous bubble-forming solution; or in the oxalate component, the activator component and the aqueous bubble-forming solution.

Abstract: Methods and kits to detect the presence or amount of at least one molecule for an enzyme-mediated reaction in a multiplex luminogenic/nonluminogenic assay are provided.

Abstract: A method is provided for determining the presence or amount of an analyte in a sample and includes the steps of contacting a faradaic working electrode to a solution comprising the optionally pre-processed sample and an electrolyte, contacting a capacitive counter electrode to the solution, supplying electrical energy between the faradaic working electrode and the capacitive counter electrode sufficient to provide for faradaic charge transfer at the faradaic working electrode, and measuring at least one of (i) light, (ii) current, (iii) voltage, and (iv) charge to determine the presence or amount of the analyte in the sample.

Abstract: An enhancing reagent for enhancing chemiluminescence of 1,2-dioxetane compounds and a method for using the enhancing reagent to enhance the chemiluminescence are provided, in which the enhancing reagent contains an alkyl bis-quaternary ammonium salt of Formula I. A chemiluminescent composition with a 1,2-dioxetane compound as a substrate and a kit thereof are further provided, which contain a 1,2-dioxetane compound and an alkyl bis-quaternary ammonium salt of Formula I.

Abstract: Described herein are chemiluminescent powders that can be applied to a variety of substrates or incorporated into a variety of articles that are generally sensitive to existing chemiluminescent compositions. Methods for producing the chemiluminescent compositions are also provided.

Abstract: One aspect of the invention relates to chemiluminescent compositions comprising an oxalate composition, an activator composition and a H2O2-decomposition catalyst. Another aspect of the invention relates to chemiluminescent compositions comprising an oxalate composition, an activator composition and a peroxyoxalate catalyst. Another aspect of the invention relates to chemiluminescent systems comprising a chemiluminescent composition disclosed herein, wherein the oxalate composition and the activator composition are stored separately until activation. Another aspect of the invention relates to chemiluminescent systems comprising a chemiluminescent composition disclosed herein, wherein the oxalate composition, the activator composition, the peroxyoxalate catalyst, and/or the H2O2-decomposition catalyst are stored separately until activation. Another aspect of the invention relates to methods for initiating the chemiluminescent compositions and/or the chemiluminescent systems disclosed herein.

Abstract: One aspect of the invention relates to chemiluminescent compositions comprising an oxalate composition, an activator composition and a H2O2-decomposition catalyst. Another aspect of the invention relates to chemiluminescent compositions comprising an oxalate composition, an activator composition and a peroxyoxalate catalyst. Another aspect of the invention relates to chemiluminescent systems comprising a chemiluminescent composition disclosed herein, wherein the oxalate composition and the activator composition are stored separately until activation. Another aspect of the invention relates to chemiluminescent systems comprising a chemiluminescent composition disclosed herein, wherein the oxalate composition, the activator composition, the peroxyoxalate catalyst, and/or the H2O2-decomposition catalyst are stored separately until activation. Another aspect of the invention relates to methods for initiating the chemiluminescent compositions and/or the chemiluminescent systems disclosed herein.

Abstract: The present disclosure provides a chemiluminescent composition where the chemiluminescent substrate is 1,2-dioxetane, which contains 1,2-dioxetane and an alkyl dimethyl benzyl quaternary ammonium salt having the structure of general formula I. The present disclosure also provides an enhancing reagent and methods for enhancing chemiluminescence of 1,2-dioxetane, where the enhancing reagent contains an alkyl dimethyl benzyl quaternary ammonium salt having the structure of general formula I.

Abstract: A chemiluminescent composition comprising an oxalate and an activator component wherein at least one of said oxalate or activator components contains a fluorescer and at least one of said oxalate or activator components contains an organic polymer. The combined concentration of said organic polymer contained in both components is above 50% by weight of the total composition, and said organic polymer is an insoluble solid. Further, The activator component contains a peroxide at a concentration below 2% by weight of the total composition.

Abstract: An aqueous-based chemiluminescent system is provided. The system comprises an oxalate component comprising an oxalate ester and a solvent; an activator component comprising a peroxide, a catalyst, and water; a surfactant; and a fluorescer. A self-illuminating bubble-forming composition is also provided, comprising the oxalate component, the activator component, the surfactant, and the fluorescer in admixture with an aqueous bubble-forming solution.

Abstract: Chemical light producing systems and the chemiluminescent formulations contained therein are taught which exhibit reduced hydrolysis and thereby are characterized by an inherently long shelf-life and commercial viability. By replacing the typical oxalate ester, e.g. (bis{3,4,6-trichloro-2-[(pentoxy)carbonyl]phenyl}oxalate) with a branched chain oxalic acid ester represented by the general formula: wherein the group designated as R contains from 4-15 carbons, wherein the carbon of attachment of R to the oxygen is via a primary carbon, and wherein substructure A is composed of substituents selected from the group including alkyl chains, alkyl rings, aromatic rings and combinations thereof such that R is nonlinear, water hydrolysis of the oxalate ester is retarded. This retardation of the hydrolysis changes the storage constraints of the oxalate ester.

Abstract: A chemiluminescent composition comprising an oxalate and an activator component wherein at least one of said oxalate or activator components contains a fluorescer and at least one of said oxalate or activator components contains an organic polymer. The combined concentration of said organic polymer contained in both components is above 50% by weight of the total composition, and said organic polymer is an insoluble solid. Further, The activator component contains a peroxide at a concentration below 2% by weight of the total composition.

Abstract: Compounds are disclosed for the production of chemiluminescent light, particularly for the production of blue/violet light within the range of about 390 nm to less than 438 nm, and most particularly to the use of compounds composed of symmetrically and asymmetrically substituted anthracenes which are effective for increasing the production of such blue/violet light when used as fluorescers in conjunction with chemiluminescent systems. These systems utilize derivatives of 9,10-diphenylanthracene containing one or more fluorines As shown in General Formulae 1-3. The variables shown in Formulae 1-3 are defined in the specification.

Abstract: This invention publishes new usages of kinds of carbonic ester compounds. The new usage described in this invention is related to the application of carbonic ester compounds in the preparation of solvents for chemiluminescent systems. This invention also provides luminescent compositions, luminescent liquids and oxidized liquids that contain carbonic ester compounds. Chemiluminescent compositions containing carbonic ester compounds can decrease reaction pressure effectively, facilitate reaction balance heading to luminescence reaction, generate larger luminescent output without adding catalyst, decrease the dosage of catalyst or not need adding catalyst, decrease influences of over-high output at the reaction start caused by catalyst on whole luminescent time, and ensure stable light output from luminescent compositions. Carbonic ester compounds, especially long carbon chain carbonic ester, have the characters of non-toxic and high flash point, and have suitable solubility on ordinary bis oxalate ester.

Abstract: A chemiluminescent, multiple-part marking system comprising at least one first reactant and at least one second reactant, wherein the at least one first reactant is chosen from a viscous oxalate composition, and wherein the at least one second reactant is chosen from a liquid activator. A chemiluminescent, multiple-part marking system comprising at least one first reactant and at least one second reactant, wherein the at least one first reactant is chosen from a liquid oxalate composition, and wherein the at least one second reactant is chosen from a viscous activator composition.

Abstract: A phthalate-free chemiluminescent formulation and a device containing such phthalate-free chemiluminescent formulation are provided. The phthalate-free chemiluminescent formulation includes phthalate-free solvents such as triethyl citrate and acetyl tributyl citrate.

Abstract: A multiple-part marking system that comprises at least one first part comprising at least one oxalate ester, at least one fluorescer, and at least one inorganic salt chosen from sodium thiosulphate, potassium thiosulphate, cobalt acetate, copper acetate, lead acetate, cupric chloride, ferric chloride, calcium iodide, potassium iodide, and silver nitrate; and at least one second part comprising at least one peroxide and at least one catalyst chosen from sodium salicylate, lithium salicylate, 5-chlorolithium salicylate, triazoles (e.g., 1,2,3-triazole and 1,2,4-triazole), substituted triazoles (e.g., substituted 1,2,3-triazole and substituted 1,2,4-triazole), imidazoles, and substituted imidazoles. Light and heat are emitted when the two parts interact.

Abstract: A one-part, pressure activated chemiluminescent material is disclosed. The free-flowing powder is made by coating microcapsules, filled with a solvent and dye, with a powdered oxalate and a solid source for hydrogen peroxide. The reaction begins when the capsules are crushed, releasing the solvent, which dissolves the oxalate and the source for hydrogen peroxide. The resulting reaction transfers energy to the dye, which produces light.

Abstract: The present disclosure provides a chemiluminescent composition where the chemiluminescent substrate is 1,2-dioxetane, which contains 1,2-dioxetane and an alkyl dimethyl benzyl quaternary ammonium salt having the structure of general formula I. The present disclosure also provides an enhancing reagent and methods for enhancing chemiluminescence of 1,2-dioxetane, where the enhancing reagent contains an alkyl dimethyl benzyl quaternary ammonium salt having the structure of general formula I.

Abstract: Described herein are chemiluminescent powders that can be applied to a variety of substrates or incorporated into a variety of articles that are generally sensitive to existing chemiluminescent compositions. Methods for producing the chemiluminescent compositions are also provided.

Abstract: The present invention relates to heptarylene- and octarylenetetracarboximides of the general formula (I) to precursors thereof or mixtures thereof, and to processes for their preparation and to their use.

Abstract: A light-emitting material is provided allowing a light-emitting body having an excellent low-excitation characteristic and high brightness to be obtained by using a light-emitting material containing a light-emitting base material that emits light through radiative transition of electrons in material atoms, the light-emitting base having nanoparticles added thereto and dispersed therein, the light-emitting material also allowing a reduction in excitation energy and an increase in brightness to be simultaneously achieve, thereby allowing, for a wide range of light-emitting bodies, a reduction in excitation energy and a significant improvement in brightness to be achieved in a simple structure. Also provided is a light-emitting body having the light-emitting material and a light-emitting method.