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USD 10 /hr
Hire Dr. Lorenzo E.
United States
USD 10 /hr

Physical Chemical and Analytical Research | Data Analyst in R and Python

Profile Summary
Subject Matter Expertise
Services
Writing Technical Writing, Newswriting
Research Fact Checking, Gray Literature Search, Systematic Literature Review, Secondary Data Collection
Data & AI Statistical Analysis, Algorithm Design-Non ML, Data Visualization
Product Development Formulation
Work Experience

Full Professor

Chemistry Department, Simon Bolivar University, Caracas, Venezuela

September 2005 - Present

Education

Doctorate (PhD) in Chemistry

Central University of Venezuela, Science Faculty, School of Chemistry, Caracas, Venezuela

January 1999 - January 2003

Certifications
  • Certification details not provided.
Publications
JOURNAL ARTICLE
(2014). Assessment of the tautomeric population of benzimidazole derivatives in solution: a simple and versatile theoretical–experimental approach . Journal of Computer-Aided Molecular Design.
(2014). Two-photon circular dichroism of an axially dissymmetric diphosphine ligand with strong intramolecular charge transfer . Journal of Physical Chemistry A. 118. (5). p. 940-946.
(2013). Educational light-POD: An activity for middle and high school students to explore the principles of analog transmission using photoacoustic modulation of fluorescence . Journal of Chemical Education. 90. (7). p. 900-903.
(2013). Two-photon circular-linear dichroism of perylene in solution: A theoretical-experimental study . Journal of Physical Chemistry B. 117. (9). p. 2742-2747.
(2013). Overcoming the existent computational challenges in the ab initio calculations of the two-photon circular dichroism spectra of large molecules using a fragment-recombination approach . Chemical Physics Letters. 568-569. p. 176-183.
(2013). Determination of molybdenum orange through laser induced breakdown spectroscopy | Determinacion del naranja de molibdeno por medio de la espectroscopia de ruptura inducida por laser . Revista Latinoamericana de Metalurgia y Materiales. 33. (2). p. 186-191.
(2013). Conformational study of an axially chiral salen ligand in solution using two-photon circular dichroism and the fragment-recombination approach . Journal of Physical Chemistry A. 117. (35). p. 8416-8426.
(2013). Polarization dependent two-photon absorption spectroscopy on a naturally occurring biomarker (curcumin) in solution: A theoretical-experimental study . Chemical Physics Letters. 583. p. 160-164.
(2012). Photophysical study of the Dibenzylideneacetones and 3- Benzylidenethiochroman-4-ones . Journal of Computational Methods in Sciences and Engineering. 12. (4-6). p. 293-298.
(2012). A fluorescent benzothiazole probe with efficient two-photon absorption . Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy. 97. p. 274-276.
(2011). Model for a biexciton in a lateral quantum dot based on exact solutions for the Hookean H2 molecule. I. Theoretical aspects . International Journal of Quantum Chemistry. 111. (7-8). p. 1808-1818.
(2010). Theoretical model for the calculation of optical properties of gold nanoparticles . Journal of Nonlinear Optical Physics and Materials. 19. (3). p. 427-436.
(2010). Speciation of the vanadium(III) complexes with 1,10-phenanthroline, 2,2′-bipyridine, and 8-hydroxyquinoline . Journal of Solution Chemistry. 39. (10). p. 1484-1491.
(2006). Exact non-Born-Oppenheimer wave functions for three-particle Hookean systems with arbitrary masses . Physical Review A - Atomic, Molecular, and Optical Physics. 74. (4).
(2005). High-efficiency stimulated Raman scattering from alcohols: Theory and experiments . Journal of Raman Spectroscopy. 36. (5). p. 389-393.
(2004). Structural analysis of soluble and insoluble fractions of asphaltenes isolated using the PNP method. Relation between asphaltene structure and solubility . Energy and Fuels. 18. (2). p. 305-311.
(2003). Realizations of the noninteracting kinetic energy functional enhancement factor through local-scaling transformations: Atoms . International Journal of Quantum Chemistry. 91. (2 SPEC). p. 94-104.
(2003). SHG of ultrathin films of metal porphyrins on BK7 glass in total internal reflection geometry: Theory and experiments . Journal of Physical Chemistry B. 107. (35). p. 9332-9338.
CONFERENCE PAPER
(2005). Evaluation of photosensitizers singlet oxygen production for photodynamic therapy applicactions using time resolved thermal lens . Proceedings of SPIE - The International Society for Optical Engineering. 6009.
(2005). Red-diode laser photodynamic therapy of basal cell cancer using photosensitizer radachlorin: Preliminary results . Optics InfoBase Conference Papers.
(2004). Photophysical and photochemical properties of Bauhinia megalandra (Caesalpinaceae) extracts as new PDT photosensitizer . Proceedings of SPIE - The International Society for Optical Engineering. 5622. (PART 1). p. 11-17.
(2001). Concentration dependence of surface non-linear susceptibility of vanadyl-porphyrin at silica surfaces . Proceedings of SPIE - The International Society for Optical Engineering. 4461. p. 319-323.
(2001). Comparative study of the nonlinear optical surface response of the metal substituted porphyrins adsorbed on glass . Proceedings of SPIE - The International Society for Optical Engineering. 4461. p. 324-328.
(1999). Second harmonic generation studies of metal and non-metal porphyrins at silica surfaces . Proceedings of SPIE - The International Society for Optical Engineering. 3796. p. 362-367.