Discriminability of tryptophan containing dipeptides using quantum control

Afonina, S.; Nenadl, O.; Rondi, Ariana; Bonacina, Luigi; Extermann, Jérôme; Kiselev, Denis; Dolamic, Igor; Bürgi, Thomas; Wolf, Jean‐Pierre

doi:10.1007/s00340-013-5370-0

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Cited by 6 publications

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“…Fluorescence depletion is generic for AAs 25 28 , peptides 34 , and flavin 27 containing particles. For instance, femtosecond pump-probe depeletion was investigated for different types of bacteria 25 ( Bacillus Subtilis, Escherichia Coli, Enterococcus , etc.)…”

Section: Discussionmentioning

confidence: 99%

Discriminating Bio-aerosols from Non-Bio-aerosols in Real-Time by Pump-Probe Spectroscopy

Sousa

Gaulier

Bonacina

et al. 2016

Sci Rep

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The optical identification of bioaerosols in the atmosphere and its discrimination against combustion related particles is a major issue for real-time, field compatible instruments. In the present paper, we show that by embedding advanced pump-probe depletion spectroscopy schemes in a portable instrument, it is possible to discriminate amino acid containing airborne particles (bacteria, humic particles, etc.) from poly-cyclic aromatic hydrocarbon containing combustion particles (Diesel droplets, soot, vehicle exhausts) with high selectivity. Our real-time, multi-modal device provides, in addition to the pump-probe depletion information, fluorescence spectra (over 32 channels), fluorescence lifetime and Mie scattering patterns of each individually flowing particle in the probed air.

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