Disassembly-driven signal turn-on probes for bimodal detection of DNA with 19F NMR and fluorescence

文献情報

出版日 2018-09-14

DOI 10.1039/C8OB02218F

インパクトファクター 3.876

著者

Takashi Sakamoto, Daisaku Hasegawa, Kenzo Fujimoto

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要旨

To image DNAs in vivo, molecular probes that can detect DNA with a highly transparent signal are required. In this study, we designed and synthesized amphiphilic molecular probes that can detect DNA with a highly transparent 19F NMR signal in a signal turn-on manner based on the self-assembly and target-dependent-disassembly of the probe molecules in aqueous solution. Fluorescence and dynamic light scattering studies revealed that these amphiphilic probes consisting of bisbenzimide H 33258 and 3,5-bis(trifluoromethyl)benzene are assembled and form aggregates in aqueous solution, and that the aggregates are collapsed when the probes bind to double-stranded DNA via selective interaction between the bisbenzimide H 33258 moiety and AATT double-stranded region of DNA. Since the target-dependent-disassembly of the probes caused turn-on of 19F NMR and fluorescence signals, bimodal detection of double-stranded DNA was successfully achieved.

掲載誌

Organic & Biomolecular Chemistry

CiteScore: 3.4

自己引用率: 10.3%

年間論文数: 1041

Organic & Biomolecular Chemistry (OBC) publishes original and high impact research and reviews in organic chemistry. We welcome research that shows new or significantly improved protocols or methodologies in total synthesis, synthetic methodology or physical and theoretical organic chemistry as well as research that shows a significant advance in the organic chemistry or molecular design aspects of chemical biology, catalysis, supramolecular and macromolecular chemistry, theoretical chemistry, mechanism-oriented physical organic chemistry, medicinal chemistry or natural products. Articles published in the journal should report new work which makes a highly-significant impact in the field. Routine and incremental work is generally not suitable for publication in the journal. More details about key areas of our scope are below. In all cases authors should include in their article clear rationale for why their research has been carried out.

Disassembly-driven signal turn-on probes for bimodal detection of DNA with 19F NMR and fluorescence

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