Provided herein are heterocyclic near infrared compounds, including near IR compounds defined by Formulae I-V described herein. The near infrared compounds can include a cyanine group, a phthalocyanine group, a naphthalocyanine group, a squaraine group, a carbocyanine group, or a combination thereof. In some embodiments, the near infrared compound can be charged. In some embodiments, the near infrared compound can comprise a cationic group. Compositions comprising the near infrared compounds are also disclosed. In some embodiments, the composition can contain the near infrared compound, a polymer, and an acceptable carrier. In some embodiments, the polymer can include an anionic group. The compositions can be used as a coating for marking a surface, such as an ink. The compositions can also be used on articles for detecting, identifying, or authenticating the article. Methods of making the compositions described herein are also disclosed.

An object of the present invention is to provide a luminescent ethylene-based copolymer which causes no problem of the shift or bleeding-out of a fluorescent body, which has a high workability, desired optical properties and a good light stability and which is easily handled in a kneading step; and a encapsulant composition for a solar cell, using this copolymer. Another object of the invention is to provide a encapsulant layer, for a solar cell, which is formed using the photovoltaic encapsulant composition to cause no problem of the shift or bleeding-out of a fluorescent body in this layer and to have desired optical properties and a good light stability; and a photoelectromotive module having this layer. The copolymer is a luminescent ethylene-based copolymer including, as a monomer component, a fluorescent dye compound having an unsaturated bond.

Provided are a coloring composition including a coloring material, a resin, and a solvent, in which the coloring material contains a pteridin pigment, and a content of the coloring material in a total solid content of the coloring composition is 40% by mass or more; a film formed of the coloring composition; an optical filter; a solid-state imaging element; and an image display device.

A method for the production of a sol-gel based matrix resulting 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.

Compounds useful as fluorescent or colored dyes are disclosed. The compounds have the following structure (I): ##STR00001##
or a stereoisomer, tautomer or salt thereof, wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, L.sup.1, L.sup.2, L.sup.3, L.sup.4, M.sup.1, M.sup.2, m and n are as defined herein. Methods associated with preparation and use of such compounds is also provided.

Compounds useful as fluorescent or colored dyes are disclosed. The compounds have the following structure (I): including stereoisomers, salts and tautomers thereof, wherein R.sup.1, R.sup.2, R.sup.3, L.sup.1, L.sup.2, L.sup.3, L.sup.4, L.sup.5, L.sup.6, M.sup.1, M.sup.2, A, q, w and n are as defined herein. Methods associated with preparation and use of such compounds are also provided. ##STR00001##

Compounds useful as fluorescent or colored dyes are disclosed. The compounds have the following structure (II):

##STR00001##

or a stereoisomer, tautomer or salt thereof, wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, L.sup.1, L.sup.2, L.sup.3, L.sup.4, M, m and n are as defined herein. Methods associated with preparation and use of such compounds are also provided.

The organic semiconductor polymers relate to polymers containing an indolo-naphthyridine-6,13-dione thiophene (INDT) chromophore. The organic semiconductor polymers are formed by polymerizing INDT monomer with thiophene to obtain a conjugated polymer of the chromophore linked by thiophene monomers (INDT-T), with phenyl to obtain a conjugated polymer of the chromophore linked by phenyl monomers (INDT-P), with selenophene to obtain a conjugated polymer of the chromophore linked by selenophene monomers (INDT-S), or with benzothiadazole to obtain a conjugated polymer of the chromophore linked by benzothiadazole monomers (INDT-BT).

The invention relates to a fluorescent marker according to the following formula I

##STR00001##

wherein Fluo is selected from the group consisting of substituted or non-substituted C10-C30 acridone, aminoacridine or pyrene, L is a linker and the moiety X is either a —SO.sub.2— or a —PO(OH)— moiety. Furthermore, the present invention relates to the use of the fluorescent markers of the invention, in particular also as a standard in glycan analysis, conjugates of fluorescent markers and glycans, as well as a kit-of-parts containing the fluorescent markers of the invention.

A method of producing a coloring material dispersion is a method of producing a coloring material dispersion that contains water and a coloring material, including a polymerization step of performing a polymerization reaction in a liquid phase that contains an organic solvent containing two or more hydroxyl and/or ether groups in a molecule, a hydrophobic monomer having an aromatic ring or a (meth)acrylic acid alkyl ester structure, and a hydrophilic monomer containing a carboxylic acid group or a sulfonic acid group to synthesize a dispersion resin. The dispersion resin has a weight-average molecular weight of 5,000 or greater and less than 100,000. A content of a constituent unit A corresponding to the hydrophobic monomer in all constituent monomers contained in the dispersion resin is 50 mol % or greater.