Label-free luminescence switch-on detection of T4 polynucleotide kinase activity using a G-quadruplex-selective probe

Hong Zhang He, Ka Ho Leung, Wei Wang, Daniel Shiu Hin Chan, Chung Hang Leung, Dik Lung Ma*

*Corresponding author for this work

Research output: Contribution to journalJournal articlepeer-review

119 Citations (Scopus)

Abstract

A label-free, oligonucleotide-based, switch-on luminescence detection method for T4 polynucleotide kinase activity has been developed using a novel G-quadruplex-selective luminescent Ir(III) complex probe. The application of the assay for screening potential T4 PNK inhibitors is also demonstrated. To our knowledge, this is the first metal-based assay for PNK activity.

Original languageEnglish
Pages (from-to)5313-5315
Number of pages3
JournalChemical Communications
Volume50
Issue number40
DOIs
Publication statusPublished - 22 Apr 2014

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