Investigation of nanolocal fluorescence resonance energy transfer for scanning probe microscopy

Fluorescence resonance energy transfer (FRET) was obsd. between donor dye mols. deposited onto the sample surface and acceptor dye mols. deposited onto the scanning near-field optical microscope (SNOM) or at. force microscope tip. FRET was obsd. only when the tip acquired a contact with the sample and took place in a region of few tens of square nanometers in size when thousands (hundreds) of mols. are involved. In view of the obtained results, the perspectives for the construction of a 1-atom FRET SNOM are described. [on SciFinder (R)]


Published in:
Applied Physics Letters, 74, 23, 3453-3455
Year:
1999
Laboratories:




 Record created 2007-06-20, last modified 2018-03-18


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