Abstract: sents one of a nitrogen atom, an oxygen atom, a sulphur atom, a phosphorus atom, or a selenium atom; R represents an aromatic group and/or an aliphatic group; p is an integer of 1 or 2; q and s are independently integers of 1, 2, 3, or 4; Y1, Y2, and Y3 independently comprise, consist of, or represent a hydrogen atom, a deuterium atom, a fluorine atom, a chlorine atom, a bromine atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, a polyether chain, a polyglycol group, an oxygen atom, a nitrogen atom, a cyano group, or a nitro group; two or more of Y1, Y2, and/or Y3 may combine together to form a condensed ring; wherein one or more of Y1, Y2, and/or Y3 comprises a spacing portion comprising a continuous chain of between 3 and 20 atoms, and further comprising a functional group capable of forming a covalent bond with a second species, the functional group being selected from one or more of a carboxylic acid, an ester, an azide, an amine, a maleimide, a thiol, an isothioc

Abstract: A composition for imaging a biological tissue or fluid comprising a compound of formula (A) and a biologically acceptable diluent or carrier, (A) wherein X represents one of a nitrogen atom, an oxygen atom, a sulphur atom, a phosphorus atom, or a selenium atom; R represents an aromatic group and/or an aliphatic group; p is an integer of 1 to 2; q and s are independently integers of 1, 2, 3, or 4; Y1, Y2, and Y3 independently represent a hydrogen atom, a deuterium atom, a fluorine atom, a chlorine atom, a bromine atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, a polyglycol group, an oxygen atom, a nitrogen atom, a cyano group, a nitro group; and/or wherein two or more of Y1, Y2, and Y3 may combine together to form a condensed ring.

Abstract: Polycyclic aromatic hydrocarbons represented by the following general formula (I) wherein X is one of nitrogen, phosphorus, arsenic, antimony, bismuth, sulphur, selenium, tellurium; R independently represents an aromatic group and/or an aliphatic group; Q is one of a cyclic aliphatic hydrocarbon, a cyclic aromatic hydrocarbon, a polycyclic hydrocarbon, a polycyclic aromatic hydrocarbon, and/or a fused polycyclic aromatic hydrocarbon; wherein the substituents independently comprise one or more of a hydrogen atom, a deuterium atom, a fluorine atom, a chlorine atom, a bromine atom, a carbon atom, an oxygen atom (e.g. an alkylated oxygen atom), a nitrogen atom (e.g. an alkylated nitrogen atom), a cyano group, a nitro group, an alkyl group and/or anaryl group; p is an integer of 1 to 2; q is an integer of 1 to 4; Y1 and Y2 independently represent one or more of a hydrogen atom, a deuterium atom, a fluorine atom, a chlorine atom, a bromine atom, a carbon atom, an oxygen atom (e.g.

Abstract: Polycyclic aromatic hydrocarbon derivatives represented by the following general formula: (I) wherein R independently represents an aromatic group and/or an aliphatic group; Q is one of a cyclic aliphatic hydrocarbon, a cyclic aromatic hydrocarbon, a polycyclic hydrocarbon, a polycyclic aromatic hydrocarbon, and/or a fused polycyclic aromatic hydrocarbon; wherein the substituents independently comprise one or more of a hydrogen atom, a deuterium atom, a fluorine atom, a chlorine atom, a bromine atom, a carbon atom, an oxygen atom (e.g. an alkylated oxygen atom), a nitrogen atom (e.g. an alkylated nitrogen atom), a cyano group, a nitro group, an alkyl group and/or an aryl group; p is an integer of 1 to 2; q is an integer of 1 to 4; Y1 and Y2 independently represent one or more of a hydrogen atom, a deuterium atom, a fluorine atom, a chlorine atom, a bromine atom, a carbon atom, an oxygen atom (e.g. an alkylated oxygen atom), a nitrogen atom (e.g.