Single-Molecule Spectral Fluctuation Originates from the Variation in Dipole Orientation Connected to Accessible Vibrational Modes

Fluctuation in fluorescence emission of an immobilized single molecule is typically ascribed to the chromophore’s intrinsic structural conformations and the influence of local environmental factors. Despite extensive research since its initial observation, a direct connection between these spectral...

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Bibliographic Details
Main Author:	Aranyak Sarkar (8367060) (author)
Other Authors:	Vinu Namboodiri (8367063) (author), Manoj Kumbhakar (1751368) (author)
Published:	2024
Subjects:	Biophysics Biochemistry Cell Biology Genetics Biotechnology Environmental Sciences not elsewhere classified Astronomical and Space Sciences not elsewhere classified Chemical Sciences not elsewhere classified Physical Sciences not elsewhere classified plane dipole reorientations molecule multidimensional tracking local environmental factors intrinsic structural conformations fundamental molecular behavior dipole orientation connected dimensional dipole orientation dominant vibrational modes constructing vibrational spectra associated vibrational modes emission dipole orientations immobilized single molecule employing unique single pronounced spectral fluctuations spectral fluctuations vibrational specificity spectral jumps fluorescence emission emission spectrum single emitters vibronic emissions underlying mechanisms typically ascribed simultaneously monitor room temperature remained elusive primarily arise optical nanoscopy observations reveal initial observation individual fluorophores identify significant direct connection dipolar rearrangements commonly known chromophore ’
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Single-Molecule Spectral Fluctuation Originates from the Variation in Dipole Orientation Connected to Accessible Vibrational Modes

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