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##

Reagents comprising MS active, fluorescent molecules with an activate functionality for reaction with amines useful in rapid tagging of biomolecules such as N-glycans, proteins, peptides, and amino acids, and uses thereof are taught and described. These MS active, fluorescent molecules may have three functional components such as a tertiary amino group or other MS active atom, a highly fluorescent moiety, and a functional group that rapidly reacts with amines.

Reagents comprising MS active, fluorescent molecules with an activate functionality for reaction with amines useful in rapid tagging of biomolecules such as N-glycans, proteins, peptides, and amino acids, and uses thereof are taught and described. These MS active, fluorescent molecules may have three functional components such as a tertiary amino group or other MS active atom, a highly fluorescent moiety, and a functional group that rapidly reacts with amines.

The present disclosure relates to methods and compositions for making and using fluorescent monomers which are synthesized by reacting a substituted or non-substituted benzoxanthene anhydride with an amine and with a moiety containing a polymerizable group. Such monomers are useful for the preparation of tagged treatment polymers. Such tagged treatment polymers are useful as scale inhibitors in industrial water systems.

The present disclosure relates to methods and compositions for making and using fluorescent monomers which are synthesized by reacting a substituted or non-substituted benzoxanthene anhydride with an amine and with a moiety containing a polymerizable group. Such monomers are useful for the preparation of tagged treatment polymers. Such tagged treatment polymers are useful as scale inhibitors in industrial water systems.

The presence of mild electrophiles, such as aldehydes, during the denaturation of glycoproteins or glycopeptides and subsequent enzymatic deglycosylation reduces artifacts in subsequent analyses of the glycans released from the glycoproteins or glycopeptides.

The presence of mild electrophiles, such as aldehydes, during the denaturation of glycoproteins or glycopeptides and subsequent enzymatic deglycosylation reduces artifacts in subsequent analyses of the glycans released from the glycoproteins or glycopeptides.

An electro-polarizable compound has the following general formula:

##STR00001## where Core1 is an aromatic polycyclic conjugated molecule having two-dimensional flat form and self-assembling by pi-pi stacking in a column-like supramolecule, which is tetrapirolic macro-cyclic fragment, R1 is an dopant group connected to Core1, m is number of R1 which is equal to 1, 2, 3 or 4, R2 is a substituent comprising one or more ionic groups, p is number of R2 which is equal to 0, 1, 2, 3 or 4. The fragment marked NLE containing the Core1 with at least one R1 has a nonlinear effect of polarization. Core2 is an electro-conductive oligomer self-assembling by pi-pi stacking in a column-like supramolecule, n is number of Core2 which is equal to 2, or 4, R3 is a substituent comprising one or more ionic groups, s is number of R3 which is equal to 0, 1, 2, 3 or 4. R4 is a non-polar resistive substituent, k is a number of R4 which is equal to 0, 1, 2, 3, 4, 5, 6, 7 or 8.

An electro-polarizable compound has the following general formula:

##STR00001## Core1 is an aromatic polycyclic conjugated molecule having a structural formula:

##STR00002##

Core1 is of two-dimensional flat form and self-assembling by pi-pi stacking in a column-like supramolecule. R1 and R1 are, electron donor and acceptor groups, respectively, m and m are the numbers of donor and acceptor groups, respectively and are equal to 0, 1, 2, 3, 4, 5 or 6 but are not both equal to 0. R2 is a substituent comprising one or more ionic groups from a class of ionic compounds that form ionic liquids connected to Core1, p is a number of ionic groups R2 which is equal to 0, 1, 2, 3 or 4. The fragment marked NLE has a nonlinear effect of polarization. Core2 is an electro-conductive oligomer and n is a number of the electro-conductive oligomers equal to 0, 2, or 4. R3 is a substituent comprising one or more ionic groups from a class of ionic compounds that form ionic liquids connected to Core2, s is a number of the ionic groups R3 which is equal to 0, 1, 2, 3 or 4. R4 is a non-conjugate cyclic or polycyclic resistive substituent providing solubility of the organic compound in a solvent and electrically insulating the column-like supramolecules from each other and connected to Core1 and/or to Core2, k is a number of substituents R4 which is equal to 1, 2, 3, 4, 5, 6, 7 or 8

The present invention relates to chlorinated naphthalenetetracarboxylic acid derivatives, preparation thereof and use thereof as charge transport materials, exciton transport materials or emitter materials.