Small molecule radiohalogenated PSMA inhibitors and metal complexes thereof and their use in radioimaging and radiotherapy for treating PSMA-related diseases, including prostate cancer, are disclosed. The combination of small molecule radiohalogenated PSMA inhibitors with a competitive PSMA ligand for reducing off target accumulation of the radiohalogenated PSMA inhibitor also is disclosed.

An organometallic precursor for extreme ultraviolet (EUV) lithography is provided. An organometallic precursor includes an aromatic di-dentate ligand, a transition metal coordinated to the aromatic di-dentate ligand, and an extreme ultraviolet (EUV) cleavable ligand coordinated to the transition metal. The aromatic di-dentate ligand includes a plurality of pyrazine molecules.

Disclosed are indium (In)-containing film forming compositions comprising In(III)-containing precursors that contain halogens, methods of synthesizing them and methods of using them to deposit the indium-containing films and/or indium-containing alloy film. The disclosed In(III)-containing precursors contain chlorine with nitrogen based ligands. In particular, the disclosed In(III)-containing precursors contains 1 or 2 amidinate ligands, 1 or 2 iminopyrrolidinate ligands, 1 or 2 amido amino alkane ligands, 1 or 2 μ-diketiminate ligands or a silyl amine ligand. The disclosed In(III)-containing precursors are suitable for vapor phase depositions (e.g., ALD, CVD) of the indium-containing films and/or indium-containing alloy films.

The present invention relates to a composition of a superfluorescent cerium (III)-containing chelate having ultra-short decay time, especially a molecular composition for OLED applications, having a neutral donor in the form of a Ce(III) chelate and a neutral fluorescent receptor molecule. The composition of the present invention can be used to produce pure color luminescence with very short emission decay time, especially for a dark blue luminous region. The composition utilizes an excited state dual capture mechanism, and such kind of novel exciton capture mechanism can be classified into a fifth-generation organic light-emitting diode (OLED) and other photoelectric devices.

In one aspect, the disclosure relates to a method for extracting one or more fluorine atoms from an organo-fluorine molecule, the method including at least the step of contacting a rare earth (RE) metal ion with a the organo-fluorine molecule, wherein RE comprises a rare earth metal such as, for example, Ho.sup.3+, Gd.sup.3+, Eu.sup.3+, Dy.sup.3+, or Y.sup.3+, and wherein the method produces a fluorinated RE metal organic framework (MOF). In an aspect, the organo-fluorine molecule can be a perfluoroalkyl or polyfluoroalkyl substance (PFAS) and the disclosure provides a method for remediation of PFAS. Also disclosed are novel fluorinated RE MOFs produced by the disclosed methods. 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 disclosure.

A metal-organic coordination compound, wherein the coordination compound comprises at least one divalent lanthanide coordinated by a cyclic organic ligand according to formula 1:

##STR00001## wherein i is larger than 3; and n is equal to 1, 2, or 3; and L for each occurrence is independently selected from divalent cyclic organic groups that can be substituted and that are formed by removing two hydrogen atoms from an organic cyclic molecule that can be substituted, arylenes, preferably 5- or 6-membered ring aromatic or heteroaromatic group, or biradical fragments of

##STR00002##

and X is independently selected for each occurrence from the group of:

##STR00003## wherein R.sub.1 and R.sub.2 are hydrogen or any covalently bound substituents being identical or different in each occurrence; and wherein R.sub.1 and/or R.sub.2 are at least in 3 occurrences not hydrogen, and wherein two groups R.sub.2 can be covalently linked with each other, thereby forming a further cyclic element, it also being possible that two cyclic organic ligands of formula 1 are covalently linked with each other by one or two divalent linking groups which divalent linking groups are formed of one R.sub.1 of each of the two cyclic organic ligands of formula 1 that are covalently linked with each other.

In some aspects, the present disclosure provides gadolinium based sensors which may be used to image zinc ions in vivo. In some embodiments, the compounds show appropriate reactivity with zinc ions while maintaining high relaxivity to achieve improved background relative to other sensors.

The invention relates to a compound of formula (I) wherein R.sub.1; R.sub.2, R.sub.3 and R.sub.4 are as defined in the description. The invention also relates to europium (III) complexes obtained from a compound of formula (I), or from a complexing agent including said compound, and to the use of such complexes to label organic or biological molecules.

##STR00001##

A process for polymerizing β-butyrolactone that includes contacting racemic β-butyrolactone or an enantiomer thereof with a catalyst/initiator system which includes a rare earth metal, a chiral ligand, at least one nucleophilic ligand, optionally at least one solvent ligand, and optionally an alkali based co-catalyst. The chiral ligand is an enantiomer of a unit of formula I ##STR00001##
Each R.sup.z independently is substituted or unsubstituted linear C.sub.1-C.sub.20 alkyl, or substituted or unsubstituted branched, or cyclic C.sub.3-C.sub.20 alkyl, substituted or unsubstituted C.sub.6-C.sub.20 aryl, substituted or unsubstituted C.sub.5-C.sub.20 heteroaryl, or halogen. Each R.sup.a independently is H, Me.sup.+, (MeZ).sup.+, wherein Z is a charge equalizing anion, or wherein two R.sup.a together are alkaline earth metal, wherein Me.sup.+ is alkali metal or alkaline earth metal.

Provided are a novel metal triamine compound, a method for preparing the same, a composition for depositing a metal-containing thin film including the same, and a method for preparing a metal-containing thin film using the same. The metal triamine compound of the present invention has excellent reactivity, is thermally stable, has high volatility, and has high storage stability, and thus, it may be used as a metal-containing precursor to easily prepare a high-purity metal-containing thin film having high density.