The present invention relates to specific complexes comprising heavy metal ions having an atomic number of 29 or higher and 83 or lower (preferably 29 or higher and 81 or lower) and one or more ligand(s) selected from the group consisting of specific xanthene derivatives, preferably eosin Y and/or erythrosin B ligand(s). In particular, the invention relates to the use of the complexes as ex vivo contrast agents for a computed tomography scanning of a biological sample. Moreover, the invention relates to specific ex vivo methods for investigating a biological sample by means of computed tomography scanning methods, wherein the method comprises staining the biological sample with a solution comprising one or more of the complex(es); or wherein the method comprises staining the biological sample with a staining solution comprising one or more specific xanthenes derivatives (e.g. eosin Y and/or erythrosin B), and separately contacting the biological sample with one or more staining solution(s) comprising one or more heavy metal ions having an atomic number of 29 or higher and 83 or lower (preferably 29 or higher and 81 or lower).

The present invention relates to specific complexes comprising heavy metal ions having an atomic number of 29 or higher and 83 or lower (preferably 29 or higher and 81 or lower) and one or more ligand(s) selected from the group consisting of specific xanthene derivatives, preferably eosin Y and/or erythrosin B ligand(s). In particular, the invention relates to the use of the complexes as ex vivo contrast agents for a computed tomography scanning of a biological sample. Moreover, the invention relates to specific ex vivo methods for investigating a biological sample by means of computed tomography scanning methods, wherein the method comprises staining the biological sample with a solution comprising one or more of the complex(es); or wherein the method comprises staining the biological sample with a staining solution comprising one or more specific xanthenes derivatives (e.g. eosin Y and/or erythrosin B), and separately contacting the biological sample with one or more staining solution(s) comprising one or more heavy metal ions having an atomic number of 29 or higher and 83 or lower (preferably 29 or higher and 81 or lower).

The invention provides a complex comprising Zn.sup.2+ and a compound of formula (I): or a deuterated analog thereof, or an ion or poly-ion thereof, or a salt thereof that is useful for treating cancer, as well as compositions and kits comprising such complexes.

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A complex formed by a zinc oxide molecule and a molecule comprising an acidic hydrogen is disclosed. The oxygen atom of the zinc oxide molecule is covalently bound to the acidic hydrogen.

The present invention relates to functionalized supports and their use in the diagnosis of pathologies.

Disclosed herein are embodiments of metal complexes and methods of making the same. The disclosed method embodiments provide a one-step approach to making metal complexes, such as complexes comprising lanthanide metals, rare earth metals, transition metals, main group metals, and/or actinide metals that can be used various applications, such as in separations technology, catalysis (e.g., catalysts for pharmaceutical synthesis and/or catalysts for biomass conversion), nuclear chemistry, LED phosphors, scintillator materials, magnetic materials, and nuclear fuels.

A complex formed by a zinc oxide molecule and a molecule comprising an acidic hydrogen is disclosed. The oxygen atom of the zinc oxide molecule is covalently bound to the acidic hydrogen.

A zinc-based metal organic framework and method of making is described. The zinc-based metal organic framework is in the form of an interpenetrating diamondoid framework where each Zn.sup.2+ ion center is linked with four other Zn.sup.2+ ion centers in a distorted tetrahedral geometry. The linking occurs through diamine and dicarboxylic acid linkers. The zinc-based metal organic framework may be deposited on a transparent conducting film and used as a photoelectrode for photoelectrochemical water splitting.

The present disclosure discusses methods for producing stereoisomerically enriched carbohydrate-based surfactants. In particular, methods of the invention include producing stereoisomerically enriched hydrophobic portion of the carbohydrate-based surfactants.

The present disclosure relates to an azobenzene-graphene metal coordination solar photothermal energy storage material based on metal coordination bonds and a preparation method thereof. The method comprises the following steps: preparing reduced graphene oxide; preparing an azobenzene-graphene material; and preparing an azobenzene-graphene metal coordination solar photothermal energy storage material: dispersing the prepared azobenzene-graphene material in DMF, dissolving a certain amount of metal compound in DMF, adding the DMF solution of the metal compound into the DMF solution of the azobenzene-graphene, taking out the precipitate, washing off metal ions which do not participate in coordination, and drying the obtained product to obtain the azobenzene-graphene metal coordination solar photothermal energy storage material. The present disclosure also relates to a method for improving the solar photothermal energy storage ability of a molecular solar energy fuel, comprising using an azobenzene-graphene metal coordination solar photothermal energy storage material.