Polyelectrolyte Surface Interface for Single-Molecule Fluorescence Studies of DNA Polymerase | Zendy

Emil P. Kartalov | Zendy; Marc Unger | Zendy; Stephen R. Quake | Zendy

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Polyelectrolyte Surface Interface for Single-Molecule Fluorescence Studies of DNA Polymerase

Author(s) -

Emil P. Kartalov,

Marc Unger,

Stephen R. Quake

Publication year - 2003

Publication title -

biotechniques

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.617

H-Index - 131

eISSN - 1940-9818

pISSN - 0736-6205

DOI - 10.2144/03343st02

Subject(s) - dna , dna polymerase , polymerase , biophysics , dna clamp , molecule , nucleotide , chemistry , fluorescence , polyelectrolyte , biochemistry , polymerase chain reaction , microbiology and biotechnology , biology , polymer , gene , physics , organic chemistry , reverse transcriptase , quantum mechanics

We report the use of polyelectrolyte multilayers in a stable robust surface chemistry for specific anchoring of DNA to glass. The nonspecific binding of fluorescently tagged nucleotides is suppressed down to the single-molecule level, and DNA polymerase is active on the anchored DNA template. This surface-chemistry platform can be used for single-molecule studies of DNA and DNA polymerase and may be more broadly applicable for other situations in which it is important to have specific biomolecular surface chemistry with extremely low nonspecific binding.

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