Prof. Alberto J. Fernandez Profile

Prof. Alberto J. Fernandez

at Univ Central de Venezuela

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Publications (6)

Proceedings Article | 25 September 2007 Paper

Development and testing of a multiwell plates absorbance reader for clinical analysis using inexpensive webcam

Jimmy Castillo, Hector Gutierrez, Yosmery Vitta, Mauro Martinez, Alberto Fernandez

Proceedings Volume 6755, 67550W (2007) https://doi.org/10.1117/12.734883

KEYWORDS: Absorbance, Calibration, Absorption, Iron, Sensors, Statistical analysis, Digital imaging, Chemical analysis, Light sources, Spectroscopy

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Proceedings Article | 19 November 2003 Paper

Aggregation process of asphaltenes in a Venezuelan crude oil using Confocal Microscopy

Jannett Hung, Jimmy Castillo, Sonia Goncalves Abreu, Alberto Fernandez

Proceedings Volume 4829, (2003) https://doi.org/10.1117/12.526957

KEYWORDS: Confocal microscopy, Particles, Microscopes, Absorption, Microscopy, Fractal analysis, Light scattering, Molecules, Scanning electron microscopy, Solids

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Proceedings Article | 19 November 2003 Paper

Evidence of molecular aggregation of asphaltenes by using induced laser fluorescence technique

Sonia Goncalves Abreu, Jimmy Castillo, Alberto Fernandez, S. Acevedo

Proceedings Volume 4829, (2003) https://doi.org/10.1117/12.530770

KEYWORDS: Luminescence, Molecular aggregates, Fluorescence spectroscopy, Molecular lasers, Ocean optics, Continuous wave operation, Signal detection, Molecular spectroscopy, Molecules, Thermodynamics

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Proceedings Article | 25 October 1999 Paper

Spectroscopic studies of asphaltenes

Sonia Goncalves Abreu, Jannett Hung, Hector Gutierrez, Alberto Fernandez, Jimmy Castillo

Proceedings Volume 3784, (1999) https://doi.org/10.1117/12.366722

KEYWORDS: Luminescence, Absorption, Glasses, Signal detection, Adsorption, Spectroscopy, Continuous wave operation, Nd:YAG lasers, Polarization, Thin films

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Proceedings Article | 25 October 1999 Paper

Application of forward-angle light scattering to measured flocculation point of asphaltenes and evaluation of flocks dimensions

Hector Gutierrez, Alberto Fernandez, Sonia Goncalves Abreu, Jimmy Castillo, Jannett Hung

Proceedings Volume 3784, (1999) https://doi.org/10.1117/12.366721

KEYWORDS: Light scattering, Particles, Scattering, Optical testing, Sensors, Scatter measurement, Transmittance, Refractive index, Photodetectors, Solids

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Showing 5 of 6 publications

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