phone: (787) 832-4040 ext. 3450 email: samuel.hernandez3@upr.edu , sp.hernandez.uprm@gmail.com office: Q-129 website: http://academic.uprm.edu/ccsde Lab: Q-048/042/040 |
RESEARCH INTERESTS Physical Chemistry, Vibrational Spectroscopy, Chemometrics, Machine Learning, and Artificial Intelligence Applications to Vibrational Spectroscopy, CHEM-BIO Threats Detection, Applications of Spectroscopy Defense & Security, and Pharma & Biotech KEYWORDS Quantum cascade laser (QCL), mid-infrared (MIR), highly energetic materials (HEMs), chemometrics, principal component Analysis (PCA), Raman spectroscopy, Surface-Enhanced Raman Spectroscopy (SERS), standoff Raman and Infrared detection, X-ray diffraction (XRD), explosives, chemical, and biological threat agents EDUCATIONAL BACKGROUND 1986 Ph.D. Physical Chemistry, Johns Hopkins University, Baltimore, MD 1982 M.A. Chemistry, Johns Hopkins University Baltimore, MD 1980 M.S. Chemistry, University of Puerto Rico, Mayagüez, PR 1974 B.S. Chemistry, University of Puerto Rico, Mayagüez, PR PROFESSIONAL EXPERIENCE: Academic Rank: Professor; Service on Faculty: 40 years (35 after tenure) Recognitions 2015-Present Member, Board of Directors, PR Institute of Photonics 2012-14 Editor-in-Chief, Sensing and Imaging: An International Journal 2012 Member, Editorial Board, Hindawi Spectroscopy: An International Journal 2007-2014 Member, Editorial Board, Sensing, and Imaging: An International Journal 2003 2005 Who’s Who among Teachers Swarthmore Who’s Who 2002 Who’s Who among Profs. American Univ., Multi-Year Award, Nominated by Students 1993, 1997 Who’s Who among Profs. American Universities, Nominated by Students 1989 Armed forces Institute of Pathology, Summer Faculty Fellow Walter Reed, Washington, DC. 1987 University Puerto Rico-Rio Piedras, Dept. Physics, Summer Res. Fellow, San Juan PR 1986 NASA/ASEE Summer Faculty Res. Fellow, Goddard Space Flight CTR, Greenbelt, MD 1980-1982 National Hispanic Fellow; NSF Pre-Doctoral Fellow; Ford Foundation Fellow 1976 First Prize, Junior Technical Meeting 1974 BS, University of PR-Mayagüez, Commencement, Magna cum Laude 1974 BS, UPRM Commencement, Antoine Lavoisier Medal to Most Distinguished Chemistry Student 1974 Who’s Who Among Students in American Universities and Colleges 1974 Nominated for Phi Kappa Phi, member since 1974 1974 ACS Recognition to Best Chemistry Students among Universities in P.R. 1970-1974 Dean’s Honor Roll GRAD. STUDENTS, POST-DOCTORAL FELLOWS & VISITING SCHOLARS Visiting Scholars: 5; Post-Doctoral Fellows: 5 Ph.D. Granted: 19; Ph.D. Candidates: 13 MS Granted: 48; MS Candidates: 10 RESEARCH SUPPORT TOTAL: $23,524,060: Research Projects: 38; Completed: 32; On-Going: 6 PATENTS AND INVENTION DISCLOSURES: Awarded (3); Pending (3) PUBLICATIONS (218): Chapters in Books (27); Peer-Reviewed Papers (191): SELECTED PUBLICATIONS 1. Villanueva-López V., Colón-Mercado A.M., Vázquez-Vélez K.M., Castro-Suarez J.R., Rivera, Hernández-Rivera S.P. (2022) Trace Detection of C-4 on Aluminum Using Mid-Infrared Reflection–Absorption Quantum Cascade Laser Spectroscopy. In: Rocha Á., Fajardo-Toro C.H., Rodríguez J.M.R. (eds) Developments and Advances in Defense and Security. Smart Innovation, Systems and Technologies, vol 255. Springer, Singapore. https://doi.org/10.1007/978-981-16-4884-7_18 https://link.springer.com/chapter/10.1007/978-981-16-4884-7_18. 2. Villanueva-López, V.; Pacheco-Londoño, L. C.; Villarreal-González, R.; Castro-Suarez, J. R.; Román-Ospino, A.; Ortiz-Rivera, W.; Galán-Freyle, N. J.; Hernandez-Rivera, S. P. API Content and Blend Uniformity Using Quantum Cascade Laser Spectroscopy Coupled with Multivariate Analysis. Pharmaceutics 2021, 13 (7), 985. https://doi.org/10.3390/pharmaceutics13070985. 3. Colón-Mercado, A.M., Vázquez-Vélez, K.M., Colón-González, F.M., Castro-Suárez, J.R., Galán-Freyle, N.J., Villanueva-López, V., Caballero-Agosto, E., Pacheco-Londoño, L.C., and Hernández-Rivera, S.P., Mid Infrared Quantum Cascade Laser Reflection – Absorption Spectroscopy at the Grazing Angle Incidence, Advances in Optics: Reviews, Vol. 5, Yurish, S.Y., ed., International Frequency Sensor Association (IFSA) Publishing, S. L., 2021. 4. Colón-Mercado, A. M.; Vázquez-Vélez, K. M.; Caballero-Agosto, E.; Villanueva-López, V.; Infante-Castillo, R.; Hernández-Rivera, S. P. Detection of High Explosives Samples Deposited on Reflective and Matte Substrates Using Mid-Infrared Laser Spectroscopy at the Grazing Angle of Incidence Assisted by Multivariate Analysis. Optical Engineering 2020, 59 (09), 1. https://doi.org/10.1117/1.OE.59.9.092011. 5. Colón-González, F.M., Perez-Almodovar, L.A., Barreto-Pérez, M., Vargas-Alers, G.L., Santos-Rolón, J.M., Hernández-Rivera, S.P. “Raman Scattering Detection of High Explosives on Human Hair”. Opt. Eng., 2020, 59(10), 107103-1-15. 6. Galán-Freyle, N.J., Ospina-Castro, M.L., Medina-González, A.R., Villarreal-González, R., Hernández-Rivera, S.P., Pacheco-Londoño, L.C. “Artificial Intelligence Assisted Mid-Infrared Laser Spectroscopy In Situ Detection of Petroleum in Soils”, Appl. Sci. 2020, 10, 1319. 7. Galán-Freyle, N.J., Pacheco-Londoño, L.C., Figueroa-Navedo, A.M. Ortiz-Rivera, W., Castro-Suarez, J.R., and Hernández-Rivera, S.P. “Modulated-laser source induction system for remote detection of infrared emissions of high explosives using laser-induced thermal emission,” Opt. Eng., 2020, 59(9): 092008-1-10. 8. Pacheco-Londoño. L.C., Warren, E., Galán-Freyle, N.J., Villarreal-González, R., Aparicio-Bolaño, J.A., Ospina-Castro, M.L., Shih, W.C., Hernández-Rivera, S.P., “Mid-infrared Laser Spectroscopy Detection and Quantification of Explosives in Soils Using Multivariate Analysis and Artificial Intelligence,” 2020, App. Sci. 10(6):1319, DOI: 10.3390/app10041319. 9. Ruiz-Caballero, J. L.; Blanco-Riveiro, L. A.; Ramirez-Marrero, I. A.; Perez-Almodovar, L. A.; Colon-Mercado, A. M.; Castro-Suarez, J. R.; Pacheco-Londoño, L. C.; Hernandez-Rivera, S. P. Enhanced RDX Detection Studies on Various Types of Substrates via Tunable Quantum Cascade Laser Spectrometer Coupled with Grazing Angle Probe. IOP Conf Ser Mater Sci Eng 2019, 519 (1), 012007. https://doi.org/10.1088/1757-899X/519/1/012007. 10. Pacheco-Londoño, L. C.; Aparicio-Bolaño, J. A.; Galán-Freyle, N. J.; Román-Ospino, A. D.; Ruiz-Caballero, J. L.; Hernandez, S. P. EXPRESS: Classical Least Squares-Assisted MIR Laser Spectroscopy Detection of High Explosives on Fabrics. Appl. Spectrosc. 2018, 000370281878041. https://doi.org/10.1177/0003702818780414. Patents & Invention Disclosures: 1. Patent: U.S. 16/184,9820 8/13/2019: “Grazing Angle Probe Mount for Quantum Cascade Lasers.” Inventors: Samuel P. Hernández-Rivera and Leonardo C. Pacheco-Londoño. 2. Patent: US 10,379,033 B1 08/13/2019 “Coupling of thin layer chromatography (TLC) to quantum cascade laser spectroscopy (QCLS) for qualitative and quantitative field analyses of explosives and other pollutants.” Inventors: Samuel P. Hernández-Rivera; and John R. Castro-Suarez. 3. Patent: US 8,932,384 B1, 01/13/2015 “Surface Enhanced Raman Spectroscopy Gold Nanorods substrates for the detection of 2,4,6-trinitrotoluene 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. 4. Invention Disclosure (2022): “LabVIEW Virtual Instrument System for Spectroscopic Data Acquisition and Processing”. Inventors: Vladimir Villanueva-López, Leonardo C. Pacheco-Londoño, and Samuel P. Hernández-Rivera. 5. Invention Disclosure (2014): “Hydrogen sulfide (H2S) species as an integrated method for inhibiting amyloid fibril formation in Lysozyme and Insulin”. Inventors: Juan López-Garriga; Igor K. Lednev; Samuel P. Hernández-Rivera; Manuel F. Rosario-Alomar; Tatiana Quiñones-Ruiz. 6. Patent: Application number: 61/471,478 of April 4, 2011. “Synthesis of Ag, Cu, Pt and Au Nanostructures for Continuous Deposits on Surfaces by Micro-Patterned Laser Image Formation.” Inventors: L.C. Pacheco-Londoño, J.A. Aparicio-Bolaños; and S.P. Hernández-Rivera |