Article ; Online: Plasmonic Gold Nanostar-Based Probes with Distance-Dependent Plasmon-Enhanced Fluorescence for Ultrasensitive DNA Methyltransferase Assay.
2024 Volume 96, Issue 11, Page(s) 4402–4409
Abstract: The ultrasensitive DNA methyltransferase (Dam MTase) assay is of high significance for biomedical research and clinical diagnosis because of its profound effect on gene regulation. However, detection sensitivity is still limited by shortcomings, ... ...
Abstract | The ultrasensitive DNA methyltransferase (Dam MTase) assay is of high significance for biomedical research and clinical diagnosis because of its profound effect on gene regulation. However, detection sensitivity is still limited by shortcomings, including photobleaching and weak signal intensities of conventional fluorophores at low concentrations. Plasmonic nanostructures with ultrastrong electromagnetic fields and fluorescence enhancement capability that can overcome these intrinsic defects hold great potential for ultrasensitive bioanalysis. Herein, a silica-coated gold nanostars (Au NSTs@SiO |
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MeSH term(s) | Site-Specific DNA-Methyltransferase (Adenine-Specific)/analysis ; Silicon Dioxide ; Gold/chemistry ; Biosensing Techniques ; DNA Modification Methylases ; Escherichia coli ; Fluorescent Dyes/chemistry ; DNA ; DNA Probes/chemistry |
Chemical Substances | Site-Specific DNA-Methyltransferase (Adenine-Specific) (EC 2.1.1.72) ; Silicon Dioxide (7631-86-9) ; Gold (7440-57-5) ; DNA Modification Methylases (EC 2.1.1.-) ; Fluorescent Dyes ; DNA (9007-49-2) ; DNA Probes |
Language | English |
Publishing date | 2024-03-08 |
Publishing country | United States |
Document type | Journal Article |
ZDB-ID | 1508-8 |
ISSN | 1520-6882 ; 0003-2700 |
ISSN (online) | 1520-6882 |
ISSN | 0003-2700 |
DOI | 10.1021/acs.analchem.3c04122 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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