Education
Ph.D. Johns Hopkins University, 1986
Recognitions
Information unavailable
Teaching Interests
Physical chemistry
Molecular spetroscopy
Research Interests
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Chemistry of Explosives, Chemical Agents, Biological Threats, Toxic Industrial Chemicals.
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Vibrational Spectroscopy Standoff Detection of Threat Chemicals and Biological Agents (Raman and IR).
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Synthesis, characterization, detection, and modeling of highly energetic materials (HEM) and homemade explosives
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Nanotechnology sensing: SERS sensing platforms; nanostructures, physical reduction methods
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SERS of Biomolecules and Microorganisms
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Environmental Remediation Studies of Hazardous Chemicals
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Benzimidazoles: synthesis, molecular-structure correlations (Coll. w/ Dr. Ricardo Infante, UPR-Arecibo)
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Chemical Education and Nanochemistry, (Coll. w/ Dr. Jairo Castillo, Fayetteville State University, Fayetteville, NC)
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Studies of adsorbate/substrate interactions; chemical modeling of properties; solid-solid solutions
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Properties of solid/liquid solutions; solubilities; models for solution chemistry in non-electrolytes
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Fabrication of samples and standards for far and near field detection experiments
Selected Publications
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Galán-Freyle, N.J., Pacheco-Londoño, L.C., Román-Ospino, A.D. and Hernandez-Rivera, S.P., “Applications of Quantum Cascade Laser Spectroscopy in the Analysis of Pharmaceutical Formulations”, Appl. Spectrosc., accepted for publication, 2016.
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Patent: US 8,932,384B1, 01/13/2015 Surface Enhanced Raman Spectroscopy Gold Nanorods substrates for detection of 2,4,6-trinitrotoulene and 3,5-dinitro-4-methylbenzoic acid explosives. Inventors: O.M. Primera-Pedrozo.; A.N. Chamoun-Emanuelli.; W. Medina-Ramos.; and S.P. Hernández-Rivera.
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Castellanos, J., Betancourt-Pagan, S. A., Robledo-Ortiz, E. J., Pacheco-Londoño, L. C., De Jesús M. A., Hernández-Rivera, S. P., Fabrication of Columnar Sub-microstructures using a Q-switched Nd:YAG Laser in the Nanosecond Time Regime, 2015, Journal of Laser Micro / Nanoengineering, 10(3), 263-268.
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Castro-Suarez, J.R., Hidalgo-Santiago, M., Hernández-Rivera, S.P., “Detection of highly energetic materials on non-reflective substrates using quantum cascade laser spectroscopy”, 2015, Applied Spectroscopy, 69(9) 1023-1035.
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Figueroa-Navedo, A.M., Galán-Freyle, N.Y., Pacheco-Londoño, L.C. and Hernández-Rivera, S.P., “Chemometrics Enhanced Laser Induced Thermal Emission Detection of PETN and RDX”, 2015, J. Chemometrics, 29(6): 329- 337. DOI: 10.1002/cem.2704
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Galán-Freyle, N.J. Pacheco-Londoño, L.C., Figueroa-Navedo, A. and Hernández-Rivera, S.P., “Standoff Detection of Highly Energetic Materials by Laser Induced Thermal Excitation of Infrared Emission”, 2015, Appl. Spectrosc. 69(5): 535-544.
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Félix-Rivera, H. and Hernández-Rivera, S.P. “Detection of Bioaerosols Using Raman Spectroscopy”, in “Bioaerosol Detection Technologies”, Per Jonsson, Göran Olofsson, Torbjörn Tjärnhage, editors, Integrated Analytical Systems, Springer, 2014, pp 203-240. ISBN: 978-1-4419-5581-4 (Print) 978-1-4419-5582-1 (Online).
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