... with laser-inducedfluorescence (MEKC - LIF) to separate and detect L - and D -amino acids ( L -aa and D -aa) previously derivatized with fluorescein isothiocianate ...
... 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 ...
... Five fluorescence series have been observed and ...five fluorescence series is indicated plotting a column for each laserinducedfluorescence line with a proportional height to the ...
... consequences. Laser-induced breakdown spectroscopy (LIBS) has been demonstrated to be an effective analytical technique for the detection and characterization of energetic ...
... 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 ...
... 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 ...
... 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 ...
... 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 ...
... 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 ...
... 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 ...
... 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 ...
... 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 ...
... 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. ...
... 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 ...
... 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 ...
... 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 ...
... 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 ...
... 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. ...
... 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 ...
... 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 ...