Laser Induced Fluorescence
A sensitive micellar electrokinetic chromatography laser induced fluorescence method to analyze chiral amino acids in orange juices / Carolina Simó, Coral Barbas and Alejandro Cifuentes
... with laser-induced fluorescence (MEKC - LIF) to separate and detect L - and D -amino acids ( L -aa and D -aa) previously derivatized with fluorescein isothiocianate ...
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Laser induced fluorescence detection at 266 nm in capillary electrophoresis Polycyclic aromatic hydrocarbon metabolites in biota
... a fluorescence detection of five hydroxy-PAHs which 104 cm capillary with an identical effective length would be the target analytes in the fish bile ...NanoUV laser (Uniphase, lites in isopods and fish ...
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Reanalysis of the laser-induced (4658 Å) B1Πu→X1Σ+g fluorescence of Na2
... Five fluorescence series have been observed and ...five fluorescence series is indicated plotting a column for each laser induced fluorescence line with a proportional height to the ...
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New insights into the chemistry of laser-induced plasmas. Cutting edge strategies for sensing and characterization of molecular solids
... consequences. Laser-induced breakdown spectroscopy (LIBS) has been demonstrated to be an effective analytical technique for the detection and characterization of energetic ...
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Combined vibrational, structural, elemental and Mössbauer spectroscopic analysis of natural phillipsite (zeolite) from historical eruptions in Tenerife, Canary Islands: Implication for Mars
... The Terra Insitu XRD is capable to obtain also X-ray fluorescence measurements. The results obtained are shown in Figure 8, where the elements detected by internal analysis of the instrument shows the detection of ...
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Imaging mesoscopic nuclear spin noise with a diamond magnetometer
... While high-field MRI serves as a superb tool to probe the living world, achieving submicroscopic spatial resolution presently appears to be a goal exceedingly difficult. Indirect detection via NV centers in diamond ...
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TítuloColour changes in Galician granitic stones induced by UV Nd:YAG laser irradiation
... The aim of this work is to determine the change in colour of Galician granites under UV laser expo- sure. For this purpose samples of commercial gran- ites showing different colours were irradiated with a Nd:YAG ...
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ZnO inducido por irradiación láser de pulsos ultracortos.ZnO induced by irradiation ultrashort laser pulses.
... the laser irradiation on the thin zinc metallic ...did laser scanning through the metallic thin filmFor both modes the laser irradiation produced nanostructured zinc oxide; the formation of the ...
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TítuloThermomechanical and metallurgical modelling of laser hardening and laser cladding processes
... the laser power and ω is the radius at which the irradiance drops to 1/e 2 of the maximum value for the TEM modes, and the radius of the laser beam for the Top Hat ...The laser power is partially ...
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Electromagnetic Field Enhancement on Axially Heterostructured NWs: The Role of the Heterojunctions
... The longitudinal scans along several heterostruc- tured NWs show a clear enhancement of the Raman signal at the HJ region, see Fig. 2. It can be seen that the signal of the Si-Si (SiGe) Raman mode is greatly enhanced ...
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Myopic Laser-Assisted Subepithelial Keratectomy (LASEK) outcomes using three different excimer laser platforms: A retrospective observational study
... Both laser in situ keratomileusis (LASIK) and surface ab- lation (SA) have been proven to be safe, effective and predictable procedures, becoming the gold standard for myopia correction [1 – ...excimer ...
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Estudio de la fluorescencia inducida por absorción de dos fotones en pigmentos orgánicosStudies of the fluorescence induced by two photon absortion in organic dyes
... the fluorescence in organic dyes excited by the two photon absorption process, using a femtoseconds pulsed laser in the ...the fluorescence spectra of these pigments when they are excited both ...
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Second order chromatographic photochemically induced fluorescence emission data coupled to chemometric analysis for the simultaneous determination of urea herbicides in the presence of matrix co eluting compounds
... The usefulness of the proposed method could not be completely appreciated until its ability to overcome the ubiquitous problem of the potential presence of interfering species in the analyzed matrices is demonstrated. ...
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Laser induced dynamics of interacting small particles
... Manipulation of neutral atoms, molecules, and nanopar- ticles by means of an external electromagnetic field has been widely explored both theoretically and experimentally. 1–5 The particles may have no permanent dipole ...
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Oceanic laser-induced breakdown spectroscopy. Development and application for the analysis of submerged solids
... the laser radiation through an optical fiber ...for laser focusing at the output end of the fiber depends on each particular ...the laser beam energy transmitted while avoiding the damage of the ...
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Quantitative analysis of Mg in natural water using LIBS technique
... La técnica LIBS (Laser–Induced Breakdown Spectroscopy) se basa en enfocar un pulso láser con la suficiente energía sobre una muestra sólida, líquida o gaseosa para producir un plasma útil para análisis ...
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Overview of the techniques used for the study of non terrestrial bodies: Proposition of novel non destructive methodology
... Several elemental non-destructive techniques have been used for analysing the composition of meteorites. Particle-Induced X-ray Emission (PIXE) or micro-PIXE is an elemental technique that does not need any ...
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Determinación de la concentración elemental del plasma de aire atmosférico producido por la técnica laser induced Breakdown Spectroscopy
... La técnica llamada "Laser-Induced Breakdown Spectroscopy" (LIBS), es un método analítico que utiliza la espectroscopia de emisión óptica (OES) para realizar análisis cualitativos y cuantitativos. ...
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Improvement of laser induced breakdown spectroscopy technique using double pulse schemes
... detection and reproducibility is frequently lower than other analytical techniques such as inductively coupled plasma mass spectroscopy. A high amount of work has been carried out in order to improve the analytical ...
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Laser-induced breakdown spectroscopy analysis of dried liquids on solid surfaces
... the laser beam axis and in a position between the laser output window and the LIBS target, with the reflecting side facing toward the ...the laser beam to reach the ...The laser intensity used ...
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