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Femtosecond time-resolved laser-induced breakdown spectroscopy for detection and identification of bacteria: A comparison to the nanosecond regime
Bacterial samples (Escherichia coli and Bacillus subtilis) have been analyzed by laser-induced breakdown spectroscopy (LIBS) using femtosecond pulses. We compare the obtained spectra with those… Expand
Cyanine-loaded lipid nanoparticles for improved in vivo fluorescence imaging.
- I. Texier, Mathieu Goutayer, +6 authors F. Vinet
- Journal of biomedical optics
- 1 September 2009
Fluorescence is a very promising radioactive-free technique for functional imaging in small animals and, in the future, in humans. However, most commercial near-infrared dyes display poor optical… Expand
Spectral signature of native CN bonds for bacterium detection and identification using femtosecond laser-induced breakdown spectroscopy
A sample of Escherichia coli has been analyzed by laser-induced breakdown spectroscopy (LIBS) using femtosecond pulses. The spectrum shows strong CN molecular bands due to the direct ablation of… Expand
Discriminating bacteria from other atmospheric particles using femtosecond molecular dynamics
We investigated femtosecond pump–repump depletion schemes in biological fluorophors (tryptophan and riboflavin) in order to discriminate bioaerosols from organic interferents emitted by combustion… Expand
Quantum control of tightly competitive product channels.
Fundamental selectivity limits of quantum control are pushed by introducing laser driven optimal dynamic discrimination to create distinguishing excitations on two nearly identical flavin molecules.… Expand
Femtosecond pump-probe experiments on trapped flavin: optical control of dissociation.
- L. Guyon, T. Tabarin, +5 authors P. Dugourd
- Medicine, Chemistry
- The Journal of chemical physics
- 21 February 2008
Femtosecond pump-probe experiments are performed on flavin biomolecules isolated in an ion trap. Mass spectra of the photoinduced fragments show that the fragmentation pathways can be modified using… Expand
Differential interferometry with a complex contrast
Abstract We present a new design of the Nomarski interferometer, which can measure displacements of several microns, with a resolution better than 10 −13 m / Hz . In the standard design this… Expand
Lipid nanoparticle vectorization of indocyanine green improves fluorescence imaging for tumor diagnosis and lymph node resection.
- F. Navarro, M. Berger, +5 authors I. Texier
- Medicine, Materials Science
- Journal of biomedical nanotechnology
- 1 October 2012
Fluorescence imaging is opening a new era in image-guided surgery and other medical applications. The only FDA approved contrast agent in the near infrared is IndoCyanine Green (ICG), which despites… Expand
Bimodal ultrasound and fluorescence approach for prostate cancer diagnosis.
Finding a way to combine ultrasound and fluorescence optical imaging on an endorectal probe may improve early detection of prostate cancer. The ultrasound provides morphological information about the… Expand
Resolution of strongly competitive product channels with optimal dynamic discrimination: application to flavins.
- J. Roslund, M. Roth, +4 authors H. Rabitz
- Chemistry, Medicine
- The Journal of chemical physics
- 21 January 2011
Fundamental molecular selectivity limits are probed by exploiting laser-controlled quantum interferences for the creation of distinct spectral signatures in two flavin molecules, erstwhile nearly… Expand