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Biospecific binding reactants labeled with new luminescent lanthanide chelates and their use
Biospecific binding reactants labeled with new luminescent lanthanide chelates and their use
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机译:用新型发光镧系螯合物标记的生物特异性结合反应物及其用途
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摘要
This invention relates to a luminescent lanthanide chelate comprising a lanthanide ion and a chelating ligand of formula (I) whereinR1 is selected from the group consisting H, -COOH, -COO-, -CH2COOH and -CH2COO-; G1 is a group consisting of one or two moieties each moiety being selected from the group consisting of ethynediyl, ethenylene, phenylene, biphenylene, naphthylene, pyridylene, pyrazinylene,pyrimidinylene, pyridazinylene, furylene, thienylene, pyrrolylene, imidazolylene, pyrazolylene, thiazolylene, isothiazolylene, oxazolylene, isoxazolylene, fyrazanylene, 1,2,4-triazol-3,5-ylene and oxadiazolylene; G2 for coupling to a biospecific binding reactant is selected from the group consisting of amino, aminooxy, carbonyl, aldehyde or mercapto groups and activated forms made of them; Z is selected from the group consisting of carboxyalkyl amine, ether, thioether, carbonyl and unsubstituted or substitute methyl (-CR2-) wherein group R2 is selected from the group consisting of H, methyl, ethyl and carboxylalkyl; and the lanthanide ion is europium(III), terbium(III), dysprosium(III) or samarium(III). This invention further relates to a detectable molecule comprising the lanthanide chelate and the use of the molecule in a method of carrying out a biospecific binding assay.
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