Lista de Publicaciones del Departamento de Química

 Dr. Antonio Alegría

  1. Alegría, A. E. and Stevenson, G. R., Equilibrium Studies by Electron Spin Resonance. IV. The Benzoquinone Free Ion-Ion Pair Equilibrium”. , J. Phys. Chem., 77, 3100 (1973).
  2. Stevenson, G. R. and Alegria, A. E., Equilibrium Studies by Electron Spin Resonance. VIII The Use of Time Averaged Coupling Constants to Determine Free Ion-Ion Pair Equilibrium Constants. J. Phys. Chem., 78, 1771 (1974).
  3. Stevenson, G. R. and Alegría, A. E., Equilibrium Studies by Electron Spin Resonance, X. Thermodynamics of Ion-Pair Dissociation by the Use of Time-Average Coupling Constants. J. Phys. Chem., 79,1942 (1975).
  4. Stevenson, G. R. and Alegría, A. E., Equilibrium Studies by Electron Spin Resonance. XII The Relationship Between Charge Density and Ion Pair Dissociation constants. J. Phys. Chem., 79, 361 (1975).
  5. Stevenson, G. R., Block, A. McB. and Alegría, A. E., Equilibrium Studies by Electron Spin Resonance. XII. The Relationship Between Charge Density and Ion Pair dissociation Determined by the Use of g Values. J. Am. Chem. Soc., 97 4859 (1975).
  6. Stevenson, G. R. and Alegría, A. E., Rates of Ion Pair Formation and Dissociation and of Electron Exchange Between Free Ion and Neutral Molecule in Hexame¬thylphosphoramide. J. Phys. Chem., 80, 69 (1976).
  7. Stevenson, G. R. and Alegría, A. E., Equilibrium Studies by Electron Spin Resonance. XIII. Determination of Ion Association Constants for Diamagnetic Salts by the Use of Electron Spin Resonance. J. Am. Chem. Soc., 97, 3869 (1975).
  8. Stevenson, G. R., Fontánez, F. and Alegría, A. E., Equilibrium Studies by Electron Spin Resonance. XV. The Effect of Solvent Polarity changes by the Addition of Secondary Solvents Upon Ion Pair Dissociation. J. Phys. Chem., 80, 113 (1976).
  9. Stevenson, G. R., Martir, W. and Alegría, A. E., The Use of Gas Solubilities for the Determination of Solvation Numbers and to Detect Ion Pairing Involving Alkali Metal Cations. J. Am. Chem. Soc., 98, 7955 (1976).
  10. Stevenson, G. R., Valentín, J., Williams, E., Caldwell, G. and Alegría, A. E., The Role of Solvation and Choice of Anion in Controlling the Thermodynamic Stability of Cyclooctatetraene and Anthracene Dianions. J. Am. Chem. Soc., 101, 515 (1979).
  11. Kochi, J. K., Alegría, A. E., Perkings, C. V., Martin, J. C., Arduengo, A. J. and Lau W., An Electrically Neutral σ-Sulfuranyl from the Homolysis of a Perester with Neighboring Sulfenyl Sulfur; 9.s.3 Species. J. Am. Chem. Soc., 102, 7752 (1980).
  12. Alegría, A. E., Díaz, N., Echegoyen, L., Mal¬donado, R. and Colón J. T., Anion and Trianion Radicals of Aryl Substituted Cy¬clooctatetraenes. J. Org. Chem., 47, 5386 (1982).
  13. Alegría, A. E., Lozada, O., Rivera, H. and Sánchez,J., Solution Thermodynamic Studies of Transition Metal Organometallic Anion Radicals .l. The anion Radicals of 2,2′-Bipyridyl-tetra-carbonyl Complexes of Group VIB Metals vs. the 2,2’Bipyridine Anion Radical, J. Organomet. Chem., 281, 229 (l985).
  14. Alegría, A. E., Medina, A. N., Tirado, R. and Soto, F., Heats of Solvation of Semiquinone-Sodium Ion Pairs in Hexamethyl¬phosphoram¬ide, J. Phys. Chem., 90, 5333 (l986).
  15. Alegría, A. E., Medina*, A. N., Tirado*, R. and Soto*, F. Heats of Solvation of Semiquinone-Sodium Ion Pairs in Hexamethyl¬phosphoram¬ide. J. Phys.Chem., 90, 5333 (l986).
  16. Alegría, A. E. and Riesz, P., Photochemistry of Aqueous Adriamycin and Daunomycin. A Spin Trapping Study with 17O Enriched Oxygen and Water. Photochem. Photobiol.,48, 147-152 (l988).
  17. Alegría, A. E., Cox, O., Dumas, J. A., Rivera, L. A. and Riesz, P., Photochemistry of Aqueous Solutions of Benzazolo [3,2-a] quinoli¬nium salts. A Spin Trapping Study using 17O-Enriched Water and Oxygen. Biochem. Biophys. Acta, 967, 1-10 (l988).
  18. Alegría, A. E., Krishna, M., Elespuru, R. K. and Riesz, P. An ESR Study of The Visible Light Photochemistry of Gilvocarcin V. Photochem. Photobiol., 49, 257-265 (l989).
  19. Alegría, A. E., Lion, Y., Kondo, T. and Riesz, P. Sonolysis of Aqueous Surfactant Solutions. Probing the Interfa¬cial Region of Cavitation Bubbles by Spin Trapping. J. Phys. Chem.,93, 4909-4913 (1989).
  20. Alegría, A. E., Samuni, A., Russo, A., Mitchell, J. and Riesz, P. Free Radicals Induced by Adriamycin-Sensitive and Resistant Tumor Cells: A Spin-Trapping Study”. Biochemistry, 28, 8653-8658 (1989).
  21. Alegría, A. E., Muñoz*, C. and Rodríguez*, M. S. Thermodynamics of Disproportionation and Heats of Hydration of 1,4-Benzosemiquinone and 1,4-Naphtosemiquinone at pH 7.4. J. Phys. Chem., 94, 930-934 (1990).
  22. Alegria, A. E., Rodriguez*, M. S. and Hernandez*, J. Semiquinones Derived from Anthraquinone-Containing Antitumor Drugs Can Partition Into Lecithin Bilayers Biochim. Biophys. Acta, 1035, 51-55 (1990).
  23. Alegría, A. E., Cox, O. Zayas, L., Rivera, L. A. and Dumas J. Reductive Activation of Benzazolo (3,2-a)quinolinium Salts. Free Rad. Biol. Med., 15, 49-56 (1993).
  24. Alegria, A. E., Rivera*, S., Hernandez*, M., Ufret*, R. and Morales, M. Membrane-buffer Partition Coefficients of Semiquinones using the Spin-broadening Technique., J. Chem. Soc., Faraday Trans., 89, 3773-3777 (1993).
  25. Alegria, A. E., Zayas*, L. and Guevara*, N. A Comparative Study of the Visible Light Photochemistry of Gilvocarcins V and M. Photochem. Photobiol., 62, 400-415 (1995).
  26. Alegria, A. E., Lopez*, M. and Guevara*, N. Thermodynamics of Semiquinone Disproportionation in Aqueous Buffer. J. Chem.Soc., Faraday Trans., 92, 4965-4968 (1996).
  27. Oyola*, R., Arce, R., Garcia, C. and Alegria, A. E. Photophysical Properties of Gilvocarcins V and M and Their Binding Constant to Calf Thymus DNA. Photochem. Photobiol., 65, 802-810 (1997).
  28. Alegria, A.E. and Santiago*, G. Adriamycin and Daunomycin Semiquinones Membrane/buffer Partition Constants Using the Spin-Broadening Technique. Arch. Biochem. Biophys.,346, 91-95 (1997).
  29. Alegria, A. E., Ferrer*, A. and Sepulveda*, E. Photochemistry of Water-soluble Quinones. Production of a Water-derived Spin Adduct. Photochem. Photobiol.,66, 436-442 (1997).
  30. Oyola, R, Arce, R. and Alegria, A. E. The Photobiological Differences of Gilvocarcins V and M are Not Related to their Transient Intermediates and Triplet Yields. Photochem. Photobiol., 68, 25-31 (1998).
  31. Lawson, R. C., Ferrer*, A., Flores*, W. and Alegría, A. E., Sonochemistry of Quinones in Argon-Saturated Aqueous Solutions: Enhanced Cytochrome c Reduction. Chem. Res. Toxicol., 12, 850-854 (1999).
  32. Alegría, A. E., Ferrer*, A., Santiago*, G., Sepúlveda*, E. and Flores*, W. Photochemistry of Water-soluble Quinones. Production of Hydroxyl Radical, Singlet Oxygen and the Superoxide Ion. J. Photochem. Photobiol. A-Chemistry, 127, 57-65 (1999).
  33. Alegria, A. E., Garcia, C., Santiago*, G., Collazo*, G. and Morant*, J. Intramolecular Hydrogen Bonding in Hydroxylated Semiquinones Inhibits Semiquinone-Mg2+ Complex Formation. J. Chem. Soc., Perkin Trans. 2, 1569-1573 (2000).
  34. Alegria, A. E., Santiago*, G., Lopes*, M., Rosario*, B. and Cordones*, E. Role of Membrane Charge and Semiquinone Structure on Naphthosemiquinone Derivatives and 1,4-Bezosemiquinone Disproportionation and Membrane-buffer Distribution Coefficients. Free Radical Research, 35, 529-541 (2001).
  35. Alegria, A. E., Cordones*, E., Santiago*, G., Marcano*, Y., Sanchez*, S., Gordaliza, M., Martin-Martin, M. L. Reductive activation of terpenylnaphthoquinones. Toxicology, 175, 167-175 (2002).
  36. Alegría, A. E., Rivera*, L., Cordones*, E., Castro*, V. and Sanchez*, P. Role of membrane charge and semiquinone structure on oxygen consumption rates, J. Chem. Soc. Perkin Trans. 2,11,1823 – 1828 (2002).
  37. Alegria, A. E., Sanchez*, S. and Quintana, I. Quinone-enhanced ascorbate reduction of nitric oxide: role of quinone redox potential. Free Radic. Res., 38,1107-1112 (2004).
  38. Alegria, A. E., Sanchez-Cruz and P., Rivas*, L. Alkaline-earth cations enhance ortho-quinone-catalyzed ascorbate oxidation., Free Radic. Biol. Med., 37, 1631-1639 (2004).
  39. Lopez-Colon*, D. and Alegria, A. E., Sonochemistry of antitumor quinones in argon-saturated aqueous solutions: enhanced ferricytochrome c reduction. Ultrason. Sonochem., 11, 311-316 (2004).
  40. Alegria, A. E., Flores*, W., Cordones*, E., Rivera*, L., Sanchez-Cruz, P., Cordero, M. and Cox, O. Reductive activation and thiol reactivity of benzazolo[3,2-a]quinolinium salts., Toxicology, 199, 87-96 (2004).
  41. Roginsky, V. and Alegria, A. E. Oxidation of tea extracts and tea catechins by molecular oxygen. J. Agric. Food Chem., 53, 4529-4535 (2005).
  42. Alegria, A. E., Sanchez-Cruz, P. and Lopez-Colon*, D. Sonochemically induced covalent binding of calf thymus DNA by aziridinylquinones. Radiat. Res.,164; 446-452 (2005).
  43. Alegria, A. E., Cruz-Martinez, N., Ghosh, S. K., Garcia, C. Arce, R., Photosensitized reduction and DNA covalent binding of aziridinylquinones, J. Photochem. Photobiol. A: Chem. 185, 206-213 (2007).
  44. Zayas, B., Beyley, J.,Terron, M., Cordero, M., Hernandez, W., Alegria, A. E., Cox, O. Comparison of the nucleic acid covalent binding capacity of two nitro-substituted benzazolo[3,2-a]quinolinium salts upon enzymatic reduction. Toxicol. In Vitro 21,1155-1164 (2007).
  45. Alegria, A. E., Sanchez-Cruz, P., Orthoquinone-enhanced ascorbate oxidation. Combined roles of lipid charge and the magnesium cation. Toxicol. Environ. Chem. 90, 327-340 (2008).
  46. Alegria, A. E., Sanchez-Cruz, P., Kumar, A., Garcia, C., Zayas, B., Gonzalez, F. A., Orellano, A., Gordaliza, M. Thiols oxidation and covalent binding of BSA by cyclolignanic quinones are enhanced by the magnesium cation. Free Rad. Res. 42, 70-81 (2008).
  47. Alegria, A. E., Inostroza, Y, Kumar, A. Photosensitized oxidation of hypoxanthine and xanthine by aluminum phthalocyanine tetrasulfonate. Role of the alkylating quinone 2,5-dichloro-diaziridinyl-1,4-benzoquinone. Photochem. Photobiol. 84, 1583-1588 (2008).
  48. Colon, I. G., Gonzalez, F. A., Cordero, M., Zayas, B., Velez, C., Cox, O., Kumar, A., Alegria, A. E. Role of the ntro fnctionality in the DNA bnding of 3-nitro-10-methylbenzothiazolo[3,2-a]quinolinium cloride. Chem. Res. Toxicol. 21, 1706–1715 (2008)
  49. Alegria, A. E., Dejesus-Andino, F., Sanchez-Cruz, P. Quinone-enhanced sonochemical production of nitric oxide from s-nitrosoglutathione. Ultrason. Sonochem., 16,190–196 (2009).
  50. Sanchez-Cruz, P. Alegria, A. E., Quinone-Enhanced Reduction of Nitric Oxide by Xanthine/Xanthine Oxidase. Chem. Res. Toxicol. 22, 818-823 (2009).
  51. Kumar, A., Alegria, A. E., Synthesis of novel functionalized 4-aza-2,3-didehydropodophyllotoxin derivatives with potential anti-tumor activity. J. Het. Chem. 47, 1275–1282 (2010).
  52. Kumar, A., Alegria, A. E., Synthesis of novel functionalized 4-aza-2,3-didehydropodophyllotoxin derivatives with potential anti-tumor activity. J. Het. Chem. 47, 1275–1282 (2010).
  53. Sanchez-Cruz, P., Garcia, C., Alegria, A. E. Role of quinones in the ascorbate reduction rates of S-nitrosoglutathione. Free Radic. Biol. Med. 49, 1387-1394 (2010).
  54. Díaz-Espinosa, Y., Crespo-Hernández, C. E., Alegria, A. E., Garcia, C., Arce, R. Quenching enhancement of the singlet excited state of pheophorbide-a by DNA in the presence of the quinone carboquone. Photochem. Photobiol. 87, 275-283 (2011).
  55. Kumar, A., Kumar, V., Alegria, A. E., Malhotra, S. V. N-Hydroxyethyl-4-aza-didehyropodophyllotoxin derivatives as potential antitumor agents. Eur. J. Pharm. Sci. 44, 21-26 (2011).
  56. Kumar, A., Kumar, V., Alegria, A. E., Malhotra, S. V. Synthetic and Application Perspectives of Azapodophyllotoxins: Alternative Scaffolds of Podophyllotoxin. Curr. Med. Chem. 18, 3853-3870 (2011).
  57. Sanchez-Cruz, P., Dejesus-Andino, F., Alegria, A. E. Roles of hydrophilicities and hydrophobicities of dye and sacrificial electron donor on the photochemical pathway. J. Photochem. Photobiol. A: Chem. 236, 54-70 (2012).
  58. Sanchez-Cruz, P., Santos, A., Diaz, S., Alegria, A. E. Metal-independent reduction of hydrogen peroxide  by     semiquinones. Chem. Res. Toxicol.,  27, 1380–1386 (2014).
  59. Andreoli, Mirko; Persico, Marco; Kumar, Ajay; Orteca, Nausicaa; Kumar, Vineet; Pepe, Antonella;  Mahalingam,              Sakkarapalayam; Alegria, Antonio; Petrella, Lella; Sevciunaite, Laima; Camperchioli, Alessia; Mariani, Marisa; Di Dato, Antonio; Novellino, Ettore; Scambia, Giovanni; Malhotra, Sanjay; Ferlini, Cristiano; Fattorusso, Caterina. Identification of the first inhibitor of the GBP1:PIM1 interaction. Implications for the development of a new class of anticancer agents against paclitaxel resistant cancer cells. J. Med Chem. 2014 Oct 9;57(19):7916-32.
  60. Sanchez-Cruz, P. and A. E. Alegria (2016) Photosensitized production of nitric oxide and peroxynitrite from a carbon-bound diazenium diolate and 2-methyl-2-nitrosopropane. J. Photochem. Photobiol. A 330, 79-85.
  61. Kumar A, Chelvam V, Sakkarapalayam M, Li G, Sanchez-Cruz P, Piñero NS, Low PS, Alegria A.E. (2016), Synthesis and Evaluation of Folate-Conjugated Phenanthraquinones for Tumor-Targeted Oxidative Chemotherapy, Open journal of medicinal chemistry; 6(1):1-17

Patente:

US Patent Office Application: # 61/222,368: UPR-9121 – “Functionalized 4-aza-2,3-didehydropodophyllotoxin Derivatives” (iEdison Invention Report Number: 0578705-10-0002).

 

Dr. Gabriel Barletta

  1. Gabriel Barletta, Alex C. Chung, Carlos B. Rios, Frank Jordan, and James M. Schlegel. “Electrochemical Oxidation of Enamines Related to the Key Intermediate on Thiamin Diphosphate Dependent Enzymatic Pathways: Evidence for One Electron Oxidation via a Thiazolium Cation Radical” J. Am. Chem. Soc. 1990, 112, 8144-8149.
  2. Jordan, F., Zeng, X. -P., Menon-Rudolph, S., Annan, N., Barletta, G., Chung, A. C. and Rios, C. B. “Observation and Properties of the 2-α-carbanion (enamine) Intermediate on Pyruvate Decarboxylase and in Chemical Models” Biochemistry and Physiology of Thiamin Diphosphate Enzymes. 1991, H. Bisswanger and J. Ullrich, Ed. VCH Publishers, pp 34-49.
  3. Gabriel Barletta, W. Phillip Huskey, and Frank Jordan. “Observation of a 2-α-Enamine from a 2-(Methoxyphenylmethyl)-3, 4-dimethylthiazolium Salt in Water: Implications for Catalysis by Thiamin Diphosphate-Dependent α-Keto Acid Decarboxylases” J. Am. Chem. Soc. 1992, 114, 7607-7608.
  4. Gabriel L. Barletta and Frank Jordan, “Spectroscopic Observation of the Kinetic Fate of a Thiamin-Bound Enamine Intermediate in Water” Biochemistry. 1992, 31, 2201.
  5. Yao-Tsung Chen, Gabriel Barletta, Khadijah Haghjoo, Jung Tsang Cheng and Frank Jordan. “Reactions of Benzaldehyde with Thiazolium Salts in Me2SO: Evidence for Initial Formation of 2-α-(Hydroxybenzyl)thiazolium by Nucleophilic Addition, and for Dramatic Solvent Effects on Benzoin Formation” Journal of Organic Chemistry. 1994, 59, 7714-7722.
  6. Hidetaka Noritomi, Orn Almarsson, Gabriel L. Barletta and Alexander M. Klibanov. “The Influence of The Mode of Enzyme Preparation on Enzymatic Enantioselectivity in Organic Solvents and Its Temperature Dependence” Biotechnol. and Bioeng. 1996, 51, 95-99.
  7. Chingfan C. Chiu, Alex Chung, Gabriel Barletta and Frank Jordan. “Intramolecular Model for the Reductive Acyl Transfer Catalyzed by α-Keto Acid Dehydrogenases” J. Am. Chem. Soc. 1996,118, 11026-11029.
  8. Gabriel L. Barletta, Yu Zou, W. Phillip Huskey, and Frank Jordan. “Kinetics of C(2-α)-Proton Abstraction from 2-Benzylthiazolium Salts Leading to Enamines Relevant to Catalysis by Thiamin-dependent Enzymes” J. Am. Chem. Soc. 1997, 119, 2356-2362.
  9. Kai Griebenow, Yanira Diaz Laureano, Angelica M. Santos, Ileana Montañez Clemente, Luiz Rodriguez, Michael W. Vidal, and Gabriel Barletta. “Improved Enzyme Activity and Enantioselectivity in Organic Solvents by Methyl-β-Cyclodextrin” J. Am. Chem. Soc. 1999, 121, 8157-8163.
  10. Angelica Santos, Ileana Montañez Clemente, Gabriel Barletta and Kai Griebenow. “Activation of Serine Protease subtilisin Carlsberg in Organic Solvents: Combined effects of Methyl-β-cyclodextrin and Water” Biotechnology Letters. 1999, 21, 1113-1118.
  11. Angélica M. Santos, Michael Vidal, Yamaris Pacheco, Joel Frontera, Carlos Baez, Gabriel Barletta, and Kai Griebenow. “Effect of Crown Ethers on the Structure, Stability,Activity, and Enantioselectivity of subtilisin Carlsberg in Organic Solvents” Biotechnol. and Bioeng.,2001,74, 295-308.
  12. Kai Griebenow, Michael Vidal, Carlos Baez, Angélica M. Santos and Gabriel Barletta. “Native-like enzyme properties are important for optimum activity in neat organic solvents” J. Am. Chem. Soc.,2001, 123, 5380-5381.
  13. Ileana Montañez-Clemente, Edgardo Alvira, Minedys Macias, Amaris Ferrer, Maricely Fonceca, Jessica Rodriguez, Anicelle Gonzalez and Gabriel Barletta. “Enzyme Activation in Organic Solvents: Co-lyophilization of subtilisin Carlsberg with Methyl-β-Cyclodextrin Renders an Enzyme Catalyst More Active than the Cross-Linked Enzyme Crystals” Biotechnol. and Bioeng. 2002, 78, 53-59.
  14. Susimar González Martínez, Edgardo Alvira, Liz Vergara Cordero, Amaris Ferrer, Ileana Montañés-Clemente and Gabriel Barletta. “High initial activity but low catalytic stability observed for several preparations of subtilisin Carslberg suspended in two organic solvents” Biotechnology Progress, 2002, 18, 1462-1466.
  15. Betzaida Castillo, Yamaris Pacheco, Wasfi Al-Azzam, Kai Griebenow, Manjula Devi, Amaris Ferrer and Gabriel Barletta. “On the activity loss of hydrolases in organic solvents: I. Rapid loss of activity of a variety of enzymes and formulations in a range of organic solvents” Journal of Molecular Catalysis B: Enzymatic, 2005, 35, 147-153.
  16. Castillo B, Mendez J, Al-Azzam W, Barletta G, Griebenow K. “On the relationship between the activity and structure of PEG-alpha-chymotrypsin conjugates in organic solvents”. Biotechnol. and Bioeng.,2006, 94, 565-574.
  17. Ezio Fasoli, Betzaida Castillo, Angelica Santos, Elsa Silva, Amaris Ferrer, Eduardo Rosario, Kai Griebenow, Francesco Secundo, and Gabriel L. Barletta. “Activation of subtilisin Carlsberg in organic solvents by methyl-β-cyclodextrin Lyoprotection versus substrate and product-complex effect” Journal of Molecular Catalysis B: Enzymatic, 2006, 42, 20-26.
  18. Betzaida Castillo, Vibha Bansal, Ashok Ganesan, Peter Halling, Francesco Secundo, Amaris Ferrer, Kai Griebenow, Barletta G: “On the activity loss of hydrolases in organic solvents: II. A mechanistic study of subtilisin Carlsberg” BMC Biotechnology, 2006, 6, 51.
  19. Francesco Secundo, Gabriel Barletta, Emil Dumitriu, Giacomo Carrea. “How an inactivating agent as crown ethers can increase enzyme activity in organic solvent? 18-Crown-6 effects on the activity, enantioselectivity and conformation of lipase from Burkholderia cepacia and lipase B from Candida Antarctica” Biotechnol. and Bioeng. 2007, 97, 12-18.
  20. Betzaida Castillo, Ricardo J. Solá1, Amaris Ferrer, Gabriel Barletta, and Kai Griebenow. “Effect of PEG modification on subtilisin Carlsberg activity, enantioselectivity, and structural dynamics in 1,4-dioxane” Biotechnol. and Bioeng. 2008, 99, 9-17.
  21. Secundo F, Barletta G, Mazzola G. “Role of methoxypolyethylene glycol on the hydration, activity, conformation and dynamic properties of a lipase in a dry film” Biotechnol Bioeng. 2008, 101(2):255-62.
  22. Fasoli E, Ferrer A, Barletta GL. “Hydrogen/deuterium exchange study of subtilisin Carlsberg during prolonged exposure to organic solvents” Biotechnol Bioeng. 2009, 102(4):1025-32.
  23. Rodríguez-Martínez JA, Solá RJ, Castillo B, Cintrón-Colón HR, Rivera-Rivera I, Barletta G, Griebenow K. “Stabilization of alpha-chymotrypsin upon PEGylation correlates with reduced structural dynamics” Biotechnol Bioeng. 2008, 101(6), 1142-9.
  24. Anthony Cruz, Eunice Ramirez, Alberto Santana, Gabriel Barletta and Gustavo E. Lopez. “Molecular dynamic study of subtilisin Carlsberg in aqueous and nonaqueous solvents” Molecular Simulations, 2009, 1-8.
  25. Book Chapter: Kai Griebenow and Gabriel Barletta. “Lyophilization of Biopharmaceuticals” [Henry R. Costantino, Ph.D. (Nastech Pharmaceutical), Michael J. Pikal, Ph.D. (University of Connecticut)] Chapter 16. Dehydrated Protein Powders as Biocatalysts in Nonaqueous Solvents. 2004.
  26. Anthony Cruz, Eunice Ramirez, Alberto Santana, Gabriel Barletta and Gustavo E. Lopez. “Molecular dynamic study of subtilisin Carlsberg in aqueous and nonaqueous solvents” Molecular Simulations, 2009, 1-8.
  27. Betzaida Castillo, Yamitza Delgado Gabriel Barletta and Kai Griebenow* “Enantioselective Transesterification Catalysis by Nanosized Serine Protease Subtilisin Carlsberg Particles in Tetrahydrofuran” Tetrahedron, 2010, 66 (12), 2175-2180.
  28. Vibha Bansal, Yamixa Delgado, Ezio Fasoli, Amaris Ferrer, Kai Griebenow, Francesco Secundo and Gabriel L Barletta* “Effect of prolonged exposure to organic solvents on the active site environment of subtilisin Carlsberg” Journal of Molecular Catalysis B: Enzymatic, 2010, 64 (1-2), 38-44. PMCID: PMC2856654.
  29. Lev Bromberg, Ezio Fasoli, Michael Alvarez, T. Alan Hatton,* and Gabriel L. Barletta* “Biguanide-, imine-, and guanidine-based networks as catalysts for transesterification of vegetable oil” Reactive & Functional Polymers 2010, 70: 433-441. PMID: 20495678 PMCID: PMC2873605
  30. Michela Vittorini, Emil Dumitriu, Gabriel Barletta and Francesco Secundo “Immobilization of Thermoanaerobium brockii alcohol dehydrogenase on SBA-15” Bioprocess and Biosystems Engineering, 2011, 34, 2, 247-251.
  31. Vibha Bansal, Yamixa Delgado, Marc D. Legault and Gabriel Barletta “Low Operational Stability of Enzymes in Dry Organic Solvents: Changes in the Active Site Might Affect Catalysis” Molecules, 2012, 17, 2, 1870-1882.
  32. Betzaida Castillo, Lev Bromberg, Xaira López, Valerie Badillo, Jose A. González Feliciano, Carlos I. González, T. Alan Hatton and Gabriel Barletta “Intracellular delivery of siRNA by polycationic superparamagnetic nanoparticles” Journal of Drug Delivery, 2012, 12 pages.
  33. Xueqiang Zha, Ricardo Diaz, Jose Javier Rosado Franco, Veronica Forbes Sanchez, Ezio Fasoli, Gabriel Barletta, Augusto Carvajal and Vibha Bansal “Inhibitors of Urokinase Type Plasminogen Activator and Cytostatic Activity from Crude Plants Extracts” Molecules 2013, 18, 8945-8958.

 

Prof. Jorge Castillo Ramírez

  1. Thesis, Base- Induced Migrations of Oligosilyl, Germyl and Stannyl groups to the Indenyl Ring System (h5-C9H7)Fe(CO)2R, 1992.
  2. Pannell, K. H.; Castillo-Ramirez, J.; Cervantes-Lee, F. “ Base- Induced Migrations from Iron     to the System (h5-C9H7)Fe(CO)2R (R=Silyl, Oligosilyl)”, Organometallics 1992, 11, 3139.
  3. Diaz- Ortiz, T.L.; Malavé-León, M; Rivera-Claudio, M.; Castillo-Ramirez, J; Cabrera-Martínez, C.R.; Brito-Gómez, R.; Tremont, R. J. “Modification of Au surfaces using new  Ferrocene Derivatives” Applied Surface Sciences”, 2008, 254, 1587.
  4. Castillo-Ramirez,J.; Echevarría I.; Santiago, J.; Pérez-Torres, M.; Rivera-Claudio, M. 2013.  “Synthesis and Characterization of Ferrocene Acetals and   Evaluation of their Antineoplastic Properties by Using Breast Cancer Cell Lines In Vitro” Jorge Castillo-Ramirez, Ileabett Echevarria, Janice Santiago, Marianela Pérez-Torres, Mirna Rivera-Claudio.Synthesis 2013, 45, 1853-1856.
  5. Jorge Castillo-Ramírez, August 2012  “Electrochemistry, General Concepts and Techniques”. Modulos Educativos de Ciencia para Estudiantes de Escuela Superior. Manual employed at the STEM Institute (USDE Grant: PR/AWARD P120A110068 (2011-2014). UPRH, 2012, 97-128.

 

Dr. Ezio Fasoli

  1. Ezio Fasoli, Amaris Ferrer, and Gabriel L. Barletta Hydrogen/Deuterium exchange study of subtilisin Carlsberg during prolonged exposure to organic solvents. Biotechnology and Bioengineering. 102, 4: 1025-1032, (2009).
  2. Vibha Bansal, Yamixa Delgado, Ezio Fasoli, Amaris Ferrer, Kai Griebenow, Francesco Secundo, Gabriel L Barletta. Effect of prolonged exposure to organic solvents on the active site environment of subtilisin Carlsberg Journal of Molecular Catalysis B: Enzymatic,64(1-2):38-44, (2010).
  3. Bromberg L, Fasoli E, Alvarez M, Hatton TA, Barletta GL Biguanide-, imine-, and guanidine- based networks as catalysts for transesterification of vegetable oi React Funct Polym. Jul 1;70(7):433-441, (2010) Jul 1: 70 (7): 433-441 (2010). Jul 1;70(7):433-441, (2010) Jul 1;70(7):433-441, (2010).
  4. Xueqiang Zha, Ricardo Diaz, Jose Javier Rosado Franco, Veronica Forbes Sanchez, Ezio Fasoli, Gabriel Barletta, Augusto Carvajal and Vibha Bansal Inhibitors of Urokinase Type Plasminogen Activator and Cytostatic Activity from Crude Plants Extracts Molecules 18, 8945-8958, (2013).
  5. Fasoli E, Ruiz Reyes Y, Martinez Guzman O, Rosado A, Rodriguez Cruz V, Borges A, Martinez E, Bansal V. Para-aminobenzamidine linked regenerated cellulose membranes for plasminogen activator purification: Effect of spacer arm length and ligand density. J Chromatogr B 930(1): 13-21 (2013).
  6. Ezio Fasoli and Vibha Bansal. Targeting plasminogen activator system in cancer treatment, in Plasminogen Activator: Genetic Factors, Functions and Clinical Applications Nova Science Publisher INC. (Book chapter) (2014).

Patente:

Ezio Fasoli, Esterase from Halotolerant Microorganism with High Activity in Non     Aqueous Media. United States patent application. (2013) N 61/728,416.

 

Dr. Carmelo García

  1. Timpe H-J, García C, Fedtke M (1981) Photochemische Untersuchungen an Epoxidharz- Modellverbindungen; Z. Chem. 21, 38.
  2. Timpe H-J, García C, Kunstermann E (1983) Ein neues Darstellungsverfahren für o-Hydroxypropiophenonedurch Reaktion von o-Allyl-phenolen mit Perbensoesäure; Z. Chem. 23, 52.
  3. Timpe H-J, García C, Bögel H , Bauwe E (1983) Abhängigkeit der Quantenausbeute von molekularen Parametern bei der Photo-Claisen-Umlagerung aromatischer Ether; Z. Physik. Chem (Leipzig)264(2), 329.
  4. Timpe H-J, García C, Pappas S. P, Breskman L. R, Fischer R. M (1985) Photochemical and Photophysical Investigations on Bisphenol-A-Epichlorohydrin condensation polymers and model compounds; Polymer Photochem. 6, 41.
  5. Timpe H-J, García C, Fedtke M (1984) Photochemische Addition von Phenolen an Phenylglycid-ether; Z. Chem, 24(5), 186
  6. Timpe H-J, García C, Fedtke M (1985) Photochemische Reaktionen von Arylglycidethern; J. Prakt. Chem, 327(4), 616.
  7. Barrety R, García C (1988) Modified Breit-Pauli hamiltonian suitable for variational calculations; Int. J. Quantum Chem. 22, 425.
  8. Baretty R, García C (1989) Atomic energies calculations with a one-parameter integral method; J. Chem. Educ, 66(1), 45.
  9. García C, Smith G. A, McGymsey W. G, Redmond R, Kochevar I. E (1995) Mechanism and solvent dependence for photoionization of promazine and chlorpromazine; J. Am. Chem. Soc. 117(44), 10871-10878.
  10. Oyola R, Arce R, Alegría A E, García C (1997) Photophysical properties of gilvocarcins V and M and their binding constants to calf thymus DNA; Photochem. Photobiol. 65, 802-810.
  11. Kochevar I. E, García C, Geacintov N (1998) Photoaddition to DNA by nonintercalated chlorpromazine molecules; Photochem. Photobiol. 68 692-697 .
  12. Cox O, Dumas J A, Rivera L A, García C, Alegría A E (1999) Electrochemical and electron spin resonance studies of selected benzazolo[3,2-a]quinolinium salts; J. Heteroc. Chem 36, 943-947.
  13. Alegría A E, García C, Santiago G, Collazo G, Morant J. (2000) Intramolecular hydrogen bonding inhibits semiquinone-Mg complex formation; 2+ J. Chem. Perkin Trans. 2, 1569-1573.
  14. Garcia C, Oyola R, Piñero L E, Cruz N, Alejando F, Arce R, Nieves, I (2002); Photophysical, Electrochemical and Theoretical study of Protriptyline in several solvents; J. Phys. Chem. B; 106(38), 9794-9801.
  15. Arce R, García C, Oyola R, Piñero L E, Nieves I, Cruz, N (2003); Photophysical and photochemical properties of amitriptyline and nortriptyline hydrochloride: A 266 nm nanosecond laser flash and theoretical study; J. Photochem. Photobiol. A:Chem.; 154, 245-257.
  16. García C, Oyola R, Piñero L E, Arce R, Silva J, Sánchez V (2005) Substitution and Solvent Effect on the Photophysical Properties of Several Series of 10-alkylated Phenothiazine Derivatives; J. Phys. Chem. A 109, 3360-3371
  17. Colón L, Crespo-Hernandez C E, Oyola R, García C, Arce R (2006) The role of sequence and conformation on the photochemistry and photophysics of A-T DNA dimers: An experimental and theoretical approach; J. Phys. Chem. B 110, 15589-15596.
  18. García C, Oyola R, Piñero L E, Hernández D, Arce R (2007) Photophysics and Photochemistry of Imipramine, Desimipramine and Clomipramine in Several Solvents: a Fluorescence, 266 Nm Laser Flash and Theoretical Study; J. Phys. Chem. B 112, 168-178.
  19. Alegria A E, Sanchez-Cruz P, Kumar A, Garcia C, Gonzalez F A, Orellano A, Zayas B, Gordaliza M. (2008) Thiols oxidation and covalent binding of BSA by cyclolignanic quinones are enhanced by the magnesium cation. Free Radical Research 42(1), 70-81.
  20. Piñero L, Calderón Y, Rodríguez J, Nieves I, Arce R, García C, Oyola R (2008) Spectroscopic and electrochemical properties of 2-aminophenothiazine; J. Photochem. Photobiol. A. 198, 85-91.
  21. García C, Piñero L, Oyola R, and Arce R (2008) Photodegradation of 2-chloro Substituted Phenothiazines in Alcohols, Photochem. Photobiol. 85, 160-170.
  22. Cox O, Cordero M, Garcia C (2008) Regioselective photocyclization of (E)-2-(2,3,6-trichlorostyryl)benzothiazole and synthesis of 3,4-dichloro- and 4-chloro-benzothiazolo[3,2-a]quinolinium chlorides: a synthetic and theoretical study. Journal of Heterocyclic Chemistry 45(5), 1255-1264.
  23. Stepanenko V, Ortiz-Marciales M, Barnes C, Garcia C (2009) Novel dimethoxy(aminoalkoxy)borate derived from (S)-diphenylprolinol as highly efficient catalyst for the enantioselective boron-mediated reduction of prochiral ketones; Tetrahedron Letters 50(9), 995-998.
  24. García C, Piñero L E, Oyola R, Arce R (2009) Photodegradation of 2-chloro Substituted Phenothiazines in Alcohols; Photochem. Photobiol. 85, 160-170.
  25. Piñero L E, García C, Lhiaubet-Vallet V, Oyola R, Miranda M A (2009) Photophysical and Photochemical Properties of z-Chlorprothixene in Acetonitrile, Photochem. Photobio­l. 85, 895-900.
  26. García C, Piñero L E, Oyola R, Arce R (2009) Photodegradation of 2-chloro Substituted Phenothiazines in Alcohols; Photochem. Photobiol. 85, 160-170.
  27. Stepanenko V, Ortiz-Marciales M, Barnes C, Garcia C (2009) Novel dimethoxy(aminoalkoxy) borate derived from (S)-diphenylprolinol as highly efficient catalyst for the enantioselective boron-mediated reduction of prochiral ketones; Tetrahedron Letters 50(9), 995-998.
  28. Sánchez-Cruz P, García C, Alegría A E (2010) Role of quinones in the ascorbate reduction rates of S-nitrosoglutathione, Free Rad. Biol. Med. 49, 1387-1394.
  29. Piñero L E, García C, Lhiaubet-Vallet V, Miranda M A, Oyola R (2011) Solvent Dependence of the Photophysical Properties of 2-Chlorothioxanthone, the Principal Photoproduct of Chlorprothixene; Photochem. Photobiol. 87, 611-617.
  30. Díaz-Espinosa Y, Crespo-Hernández C E, Alegría A E, García C, Arce R (2011) Quenching Enhancement of the Singlet Excited State of Pheophorbide-a by DNA in the Presence of the Quinone Carboquone; Photochem. Photobiol. 87, 275–283.
  31. Piñero L E, Lebron I, Correa J, Diaz J, Viera L, Arce R, Garcia C, Oyola R (2012) The effect of 2-hydroxypropyl- -cyclodextrin on the excited triplet state of promazine and chlorpromazine; J. Photochem. Photobiol. A: Chemistry 228, 44-50.
  32. Stepanenko V, De Jesus M, Garcia C, Barnes C L, Ortiz-Marciales M (2012) Synthesis and stability of new spiroaminoborate esters; Tetrahedron Letters 53, 910-913.
  33. Piñero-SantiagoL, García C, Lhiaubet-Vallet V, Trzcionka J, Oyola R, Torres K, Leguillú J, Miranda MA (2013) Photooxidation Mechanism of Levomepromazine in Different Solvents; Photochem. Photobiol. 89, 1479–1489.

 

Dra. Margarita Ortiz

  1. S. P. McManus, H. S. Bruner, H. D. Coble and M. Ortiz, “Studies of the Catalyzed Reaction between Alcohols and Alkyl Isocyanates,” J. Org. Chem., 1977, 42, 1428.
  2. A. Abramovitch, M. Ortiz and S. P. McManus, “The Cycloaddition Reaction of Sulfonyl Azides with Dienes,” J. Org. Chem., 1981, 46, 330.
  3. M. Ortiz, S. P. McManus and R. A. Abramovitch, “The Reaction of Sulfonyl Azides with Alkylidene Cycloalkanes. Steric and Electronic Effects in the Addition and Hydrolysis,” J. Org. Chem., 1981, 46, 336.
  4. G. L. Larson, M. Ortiz and M. Rodríguez de Roca, “The Reaction of Trimethylsilyl Esters with Metal Hydride Reducing Agents. Protection of Carboxylic Acid as their Trimethylsilyl Esters during Hydroboration”, Synthetic Commun., 1981, 11, 583.
  5. M. Ortiz and G. L. Larson, “The Reaction of Aromatic Sulfonyl Azides with Trialkylboranes“, Synthetic Commun., 1982, 12, 43.
  6. M. Ortiz, J. F. Cordero, S. Pinto and I. Alverio, “A Convenient Method for the Synthesis of O-tert- Butyldimethylsilyl Oximes“, Synthetic Comm, 1994, 24, 409.
  7. M. Ortiz-Marciales, E. Cruz*, I. Alverio, * D. Figueroa, J. F. Cordero, * J. Morales, * J. A. Soto, H. Dashmana and C. Burgos, * “The Reduction of O-(tert-Butyldimethylsilyl) Aldoximes and Ketoximes and Electronic Effects Studies on the Novel Rearrangement that occurs with a Borane-THF Complex”, J. Chem. Res., (S) 1998, 10; (M) 0151.
  8. M. Ortiz-Marciales, L. Piñero, * L. Ufret, * W. Algarin* and J. Morales, * “New Method for the Synthesis of Nitriles via the O-tert-Butyldimethylsilyl Aldoximes”, Synthetic Comm.1998, 28, 2807.
  9. M. Ortiz-Marciales, L. M. Tirado, * R. Colón, M. *L. Ufret, * R. Figueroa, * M. Lebrón,* M. DeJesús, J. Martínez* and T. Malavé, * “N-tert-Butyldimethylsilylimines as Intermediaries for the Synthesis of Amines and Ketones”, Synthetic Comm.1998, 21, 4067.
  10. M. Ortiz-Marciales, L. Quiñones, *   M. DeJesús, C. Burgos, * D. Figueroa, * L. Vázquez, * J. A. López* and B. Moctezuma*, “Alpha-Alkylation of (O-tert-Butyldimethylsilyl) Ketoximes” Tetrahedron 1999, 55, 12275.
  11. M. Ortiz-Marciales, D. Figueroa, * M. De Jesús, J. Frett, * R. Vega, * “Steric and Electronic Effects on the   Reduction of O Silylated Aromatic Ketoximes with Borane” Tetrahedron Lett. 2000, 41,6567.
  12. M. Ortiz-Marciales, M. De Jesús, D. Figueroa, J. Hernández, L. Vázquez, R. Vega, J. A. López, “A General Uncatalyzed Method for the Synthesis of O-Silylated Oximes”  Synthetic           Comm. 2003, 2, 309.
  13. M. Ortiz-Marciales, Eduvigis González, Ruth Fiqueroa,* Melvin DeJesús,* Johanna Martínez, * Sandraliz Espinosa* and Wildeliz Correa,“Efficient Synthesis of B-alkylated Oxazaborolidines Derived from Ephedrine and Norephedrine”, Organic Lett. 2003, 5, 3447-3449. PMCI: PMC2811074
  14. M. Ortiz-Marciales, M. De Jesús, E. González, R. G. Raptis and P. Baran, “1,3,2-Oxazaborolidine Dimer Derived from (S)-α,α-Diphenyl Prolinol”, Acta Cryst. C 2004, 60, 173-175.PMCID: PMC2814345
  15. Nicholas J. Pinto, Pedro L. Carrión,* Angel M. Ayala,* M. Ortiz-Marciales, “Temperature Dependence of the Resistance of Self Assembled Polyaniline Nanotubes doped with 2-Acrylamido-2-methyl-1-propanesulfonic acid”, Synthetic Metals 2005, 148, 271–274.
  16. Margarita Ortiz-Marciales,L. D. Rivera, * M. De Jesús, S. Espinosa, J. A. Benjamin,* O. E. Casanova,* I. G. Figueroa* and W. Correa.* “Facile Rearrangement of O-Silylated Oximes on Reduction with Borane / Boron Trifluoride”, J. Org. Chem 2005, 70, 10132-10134.
  17. V. Stepanenko, M. Ortiz-Marciales, W. Correa, M. DeJesús, S. Espinosa and L. Ortiz,* “Highly Enantioselective Carbonyl Reduction with Borane Catalyzed by Chiral Spiroborate esters Derived from Chiral 1,2-Aminoalcohols”, Tetrahedron Asymmetry 2006,17,112-115.
  18. V. Stepanenko, M. Ortiz-Marciales, C. E. Barnes and C. Garcia, “Studies on the Synthesis of Borazines from Borane and 1,2 -Aminoalcohols”, Tetrahedron Letters 2006, 47, 7603-7606.
  19. X. Huang, M. Ortiz-Marciales, V. Stepanenko, F. G. Merced,* A. M. Ayala* and M. De Jesús, Spiroborate Esters Derived from Non-racemic 1,2-Aminoalcohols as Efficient Catalysts  in the  Enantioselective Synthesis of Primary Amines via Borane Reduction of Oxime Ethers” Organic Lett. 2007, 9, 1793-1795. PMCID: PMC2571073.
  20. V. Stepanenko, M. de Jesús, W. Correa, I. Guzmán,* C. Vázquez,* W. de la Cruz*, M. Ortiz-Marciales, C. E. Barnes, “Enantioselective Reduction of Prochiral Ketones using Spiroborate Esters as Catalysts”, Tetrahedron Lett. 2007, 48, 5799-5802. PMCID: PMC2701200.
  21. V. Stepanenko, M. Ortiz-Marciales, M. De Jesús, W. Correa, C. Vázquez,* L. Ortiz,* Irisbel Guzmán* and W. de la Cruz*, “Highly Enantioselective Reduction of Acetylpyridines and other Heteroaromatic Ketones with Borane and Spiroborate Esters”, Tetrahedron Asymmetry 2007, 18, 2738-2745.
  22. K. Huang, M. Ortiz-Marciales, F. G. Merced,* H. J. Meléndez,* W. Correa, M. De Jesús, “Highly Enantioselective Borane Reduction of Heteroaryl and Heterocyclic Ketoxime Ethers Catalyzed by Novel Spiroborate Ester derived from Diphenyl Valinol: Application to the Synthesis of Nicotine Analogues”, J. Org. Chem. 2008,73,4017-4026. PMCID: PMC2701197.
  23. K. Huang, M. Ortiz-Marciales,V. Stepanenko, M. De Jesús and W. Correa, “A Practical and Efficient Route for the Highly Enantioselective Synthesis of Mexiletine Analogues and Novel β-Thiophenoxy and Pyridyl Ethers”, J. Org. Chem. 2008, 73, 6928-6931. PMCI: PMC2668572.
  24. V. Stepanenko, M. Ortiz-Marciales, C. L. Barnes and C.Garcia, “Novel Dimethoxy-(aminoalkoxy)borate derived from (S)-Diphenylprolinol as highly Efficient Catalyst for the Enantioselective Boron-mediated reduction of prochiral ketones”, Tetrahedron Letters 2009, 50, 995-998. PMCID: PMC2654321.
  25. K. Huang, M. Ortiz-Marciales, W. Correa, X. Y. López* and E. Pomales*, Spiroborate Ester-Mediated Asymmetric Synthesis of b-Hydroxy Ethers and its Conversion to            Highly Enantiopure b-Amino Ethers, J. Org. Chem. 2009, 74, 4195. PMCI: PMC2811585.
  26. K. Huang, M. Ortiz-Marciales*and V. Stepanenko, A New and Efficient Approach to the Synthesis of Nicotine and Anabasine Analogues, J. Heterocyclic Chem.2009, 46, 1252. PMCID: PMC2811074.
  27. V. Stepanenko, M. De Jesús, W. Correa, L. Bermúdez, * C. Vázquez, * I. Guzmán* and M. Ortiz-Marciales, Chiral Spiroaminoborate Ester as a Highly Enantioselective and Efficient Catalyst for the Borane Reduction of Furyl, Thiophene, Chroman and Thiochroman containing Ketones, Tetrahedron Asymmetry 2009, 20, 2659. PMCID: PMC2808030.
  28. V. Stepanenko, K. Huang and M. Ortiz-Marciales, “Synthesis of Spiroborate Esters from 1,2-Amino Alcohols, Ethylene Glycol and Triisopropylborate: Preparation of (S)- 1-(1,3,2-Dioxaborola-2-yloxy)-3-Methyl-1,1-Diphenylbutan-2-Amine”, Organic Synthesis 2010, 87, 26.
  29. K. Huang, M. Ortiz-Marciales, Catalytic Enantioselective Borane Reduction of Benzyloximes: Preparation of (S)-1-Pyridin-3-yl-ethylamine Hydrochloride, Organic Synthesis 2010, 87, 36.
  30. K. Huang, H. Wang, V. Stepanenko, M. De Jesús, C. Torruellas, W. Correa and M. Ortiz-Marciales. Highly Efficient Synthesis of Chiral Epoxides via Borane Reduction of 2-Haloketones Catalyzed By Spiroborate Ester: Application to the Synthesis of Optically Pure 1,2-Hydroxy Ethers and 1,2-Azido Alcohols. To be submitted to J. Org. Chem. 2010.
  31. K. Huang, H. Wang, V. Stepanenko, M. De Jesús, C. Torruellas, W. Correa and M. Ortiz-Marciales, Chiral Epoxides via Borane Reduction of 2-Haloketones Catalyzed By Spiroborate Ester: Application to the Synthesis of Optically Pure 1,2-Hydroxy Ethers and 1,2-Azido Alcohols, J. Org. Chem. 2011, 76, 1883. PMCID: PMC3055923.
  32. V. Stepanenko, M. de Jesús, C. Garcia, C. L. Barnes and M. Ortiz-Marciales, Synthesis and Stability of new Chiral Spiroaminoborate Esters, Tetrahedron Lett. 2012, 53, 910. PMCID: PMC3055923.
  33. W. Ou, S. Espinosa, H. J. Meléndez, S. M. Farré, J. L. Alvarez, V. Torres, I. Martínez, K. M. Santiago and M. Ortiz-Marciales, Asymmetric Synthesis of Nonracemic Primary Amines via Spiroborate Catalyzed Reduction of (E) and (Z)-O-Benzyloximes: Its Applications toward the Synthesis of Novel Calcimimetic Agents, J. Org.Chem. 2013, 78, 5314. PMCID: PMC3707500; NIHMSID: NIHMS477323.
  34. Haiyang. Wang, Kun Huang, Hai-Yang Wang, Kun Wang, Melvin de Jesús, Sandraliz, Espinosa, Rosely I. Quinones and Margarita Ortiz-Marciales, Synthesis of Nonracemic β-Azido and β-Amino Alcohols via Regio- and Stereoselective Ring Opening of Optically Pure Epoxides by Sodium Azide in Hot Water, a ser sometida en Org. Lett. 2014.
  35. Hay-Yang Wang,1 Kun Wang,1 Melvin de Jesús,1 Sandraliz Espinosa,1 Rosely I. Quinones,1 Luis E. Piñero,1 Charles Barnes2 and Margarita Ortiz-Marciales1,* “Synthesis of Nonracemic 1,2-Azido- and 1,2-Amino Alcohols via Regio- and Stereoselective Ring Opening of Optically Pure Epoxides by Sodium Azide in Hot Water”, Tetrahedron: Asymmetry 2016, 27, 91–100.
  36. Luis M. Martinez*, Cesar A. Nieves*, Idalia Ramos1, Anamaris Melendez, Natalya A. imbovskaya, Margarita Ortiz, Nicholas J. Pinto, “Temperature dependent charge transport comparison in carbon sphere/polymer composites”, AIP Advances7, 2017, 125229.
  37. N. P. López, S. Espinosa, S. Ortiz, V. M. González, A. C. González P. M. Colón, L.E. Piñero-Santiago, C. García*, and M. Ortiz-Marciales*   “Synthesis and Molecular Modeling Assessment of Novel 1-Benzazepine Analogues as Potential Multi-target drugs for the Treatment of Alzheimer’s Disease” , submitted to Tetrahedron, April 2018

                 * Undergraduate students

                 **Graduate student

Patentes

  1. Ortiz-Marciales, M. De Jesús, E. González, S. Espinosa and W. Correa, A New and Convenient Synthesis of B-alkyl Oxazaborolidines Derived from Ephedrine and Norephedrine, US Patent Office, # 10/775,011, Feb. 9, 2004.
  2. Margarita Ortiz-Marciales, Viatcheslav Stepanenko, Melvin DeJesús and Wildeliz Correa, “Highly enantioselective carbonyl reduction with borane catalyzed by chiral spiroborate esters derived from chiral 1,2-aminoalcohols”, submitted as a pending US Patent Application # 11/512,599, in Aug. 30, 2006. iEdison # 0578705-02-0001.
  3. Margarita Ortiz-Marciales, Xiaogen Huang, Viatcheslav Stepanenko, Melvin DeJesús, Wildeliz Correa, “Catalytic Asymmetric Synthesis of Primary Amines via Borane Reduction of Oxime Ethers using Spiroborate Esters”, submitted as pending # 60/841,147, in Aug. 30, 2006. iEdison # 0578705-06-0002, June 23, 2006, and filed as an International application on Aug 17, 2007: PTC application No PCT/US07/76195.
  4. Margarita Ortiz-Marciales, Kun Huang, Viatcheslav Stepanenko Melvin De Jesús and Wildeliz Correa, A Practical and Efficient Route for the Highly Enantioselective Synthesis of Mexiletine Analogues and Novel β-Thiophenoxy and Pyridyl Ethers” submitted as US Patent Application, April 15, 2009.
  5. José Lasalde, Neurobiology Department, UPR Río Piedras, Margarita Ortiz-Marciales, Chemistry Department, UPR Humacao, Daisy Espinosa, Chemistry Department, UPR Río Piedras, Allosteric Modulator of Nicotinic Receptor as a Therapeutic Drug for Alzheimer’s Disease (AD) USPO, July 2010.
  6. Margarita Ortiz-Marciales, Kun Huang, Viatcheslav Stepanenko Melvin De Jesús and Wildeliz Correa, A Practical and Efficient Route for the Highly Enantioselective Synthesis of Mexiletine Analogues and Novel β-Thiophenoxy and Pyridyl Ethers, US Patent 8,012,901, Sep. 6, 2011.

 

Dr. Rolando Oyola

  1. García, C., L. Piñero, R. Oyola, R. Arce, I. Nieves, N. Cruz and F. Alejandro (2002) Photophysical, electrochemical, and theoretical properties of protriptyline in different solvents. J. Phys. Chem. B. Chem., 106(38), 9794-9801.
  2. García, C., L. Piñero, R. Oyola, R. Arce, I. Nieves and N. Cruz (2003) Photochemical and photophysical properties of amitriptyline and nortriptyline hydrochloride: a 266 nm laser flash and theoretical study. J. Photochem. Photobiol. A: Chem., 154(2-3), 245-257.
  3. Xao, Y., R. Oyola and F. Gai (2003) Infrared study of the stability and folding kinetics of a 15-residue â-hairpin. J. Am. Chem. Soc., 125, 15388-15394. [PMID: 14664583]
  4. Purkayastha, P., J. W. Klemke, S. Lavender, R. Oyola, B.S. Cooperman, and F. Gai (2005) Alpha 1-antitrypsin polymerization: A fluorescence correlation spectroscopy study. Biochem., 44(7), 2642-2649. [PMID: 15709777]
  5. Tucker, M. J., R. Oyola, and F. Gai (2005) Conformational distribution of a 14-residue peptide in solution: A fluorescence energy transfer study. J. Phys. Chem. B., 109(10), 4788-4795. [PMID: 16851563]
  6. García, C., R. Oyola, L. E. Piñero, R. Arce, J. Silva, and V. Sánchez (2005) Substitution and solvent effects on the photophysical properties of several series of 10-phenothiazine derivatives. J. Phys. Chem. A., 109(15), 3360-3371. [PMID: 16833671]
  7. Tucker, M. J., R. Oyola and F. Gai (2006) A novel Fluorescent probe for protein binding and folding studies: p-cyano-phenylalanine. Biopolymers, 83 (6), 571-576. [PMID: 16917881]
  8. Colón, L., C.E. Crespo-Hernández, R. Oyola, C. García and R. Arce (2006) Role of Sequence and Conformation on the Photochemistry and the Photophysics of A-T DNA Dimers: An Experimental and Computational Approach. J. Phys. Chem. B., 110, 15589-15596. [PMID: 16884283]
  9. Garcia, C., Oyola, R., Piñero, L., Hernández, Dionne, and Arce, R (2008) Photophysics and Photochemistry of Imipramine, Desimipramine and Clomipramine in Several Solvents: A Fluorescence, 266 nm Laser Flash and Theoretical Study. J. Phys. Chem. B., 112, 168-178. [PMID: 18085762]
  10. Piñero, L., Calderón, X., Rodríguez, J., Nieves, I., Arce, R., García, C., Oyola, R., (2008) Spectroscopic and electrochemical properties of 2-aminophenothiazine, J. Photochem. Photobiol. A: Chem., 198, 85 – 91. [PMID: 19582136]
  11. García, C., Piñero, L., Oyola, R., and Arce, R., (2009) Photodegradation of 2-chloro Substituted Phenothiazines in Alcohols. Photochem. Photobiol., 85, 160-170. [PMID: 18673321]
  12. Piñero, L., García, C., Lhiaubet-Vallet, Virginie, Oyola, R., Miranda, Miguel A., and Arce, R. (2009) Photophysics and photochemistry of cis-chlorprothixene in acetonitrile. Photochem. Photobiol., 85(4), 895-900. [PMID: 19708200]
  13. Oyola, R., and Arce, R. (2010) Nanosecond laser induced transient absorption flash photolysis experiment for undergraduate Physical Chemistry. The Chemical Educator, 15,      365-369.
  14. Piñero, L.E, García, C., Lhiaubet-Vallet, V., Miranda, M.A., and Oyola, R. (2011) Solvent dependence of the photophysical properties of 2-chlorothioxanthone, the principal photoproduct of chlorprothixene. Photochem. Photobiol., 87(3), 611- 617.
  15. Xu, Y., Du, D., and Oyola, R., (2011) Infrared study of the stability and folding kinetics of a series of β-Hairpin peptides with common NPDG turn. J. Phys. Chem. B. 115(51):15332-8.
  16. Piñero, L.E., Lebrón, I., Correa, J., Díaz, J., Viera, L., Arce, R., García, C., and Oyola, R. (2012) The effect of 2-hydroxypropyl-β-Cyclodextrin on the excited triplet state of promazine and chlorpromazine. J. Photochem. Photobiol. A: Chem. 228, 44-50.
  17. Piñero-Santiago, L.E., García, C., Lhiaubet-Vallet, V., Trzcionka, J., Oyola, R., Torres, K., Leguillú, J., and Miranda, M.A. (2013) Photooxidation mechanism of levomepromazine in different solvents. Photobiology, 89(6), 1479-89.
  18. Beatrice N. Markiewicz, Rolando Oyola, Deguo Du, and Feng Gai (2014) Aggregation gatekeeper and controlled assembly of trpzip β-hairpins. Biochemistry, 53 (7), 1146–1154.
  19. Jorge Castillo, Cesar D. Santiago-Huertas, and Rolando Oyola. “Determination of acetaminophen in commercial tablets by ATR-FTIR: an Instrumental Analysis Chemistry lab”. The Chemical Educator, March 2015.
  20. Haiyang Liu, Richard Lantz, Patrick Cosme, Nelson Rivera, Carlos Andino, Walter g. gonzález, Andrew C. Ter-entis, Ewa P. Wojcikiewicz, Rolando Oyola, jaroslava miksovska, and Deguo Du (2015) Site-Specific Dynamics of Aβ1-23 Amyloid Formation and Fibrillar Configuration Using an Unnatural Amino Acid. Comm.,51 , 7000-7003. DOI: 10.1039/C5CC00149H.
  21. Santiago-Huertas, Cesar D., Jorge Castillo, and Rolando Oyola (2016) Determination of acetaminophen in commercial tablets by ATR-FTIR: an Instrumental Analysis Chemistry lab. The Chemical Educator, to be submitted.
  22. Kumar A, Chelvam V, Sakkarapalayam M, Li G, Sanchez-Cruz P, Piñero NS4, Low PS, Alegria AE. Synthesis and Evaluation of Folate-Conjugated Phenanthraquinones for Tumor-Targeted Oxidative Chemotherapy. Open J Med Chem.2016 Mar;6(1):1-17. Epub 2016 Mar 11.
  23. Title: Photosensitized production of nitric oxide and peroxynitrite from a carbon-bound diazenium diolate and 2-methyl-2-nitrosopropane. Journal: Journal of Photochemistry and Photobiology A: Chemistry
  24. Liu,   Haiyang;   Lantz,   Richard;   Cosme,   Patrick;   Rivera,   Nelson; Andino,  Carlos; Gonzalez,  Walter  G.;  Terentis, Andrew;  Wojcikiewicz, Ewa;  Oyola,  Rolando;  Miksovska, Jaroslava,  and  Du,  Deguo  (2015) Site-Specific     Dynamics     of     Amyloid     Formation and  Fibrillar Configuration     of    Aβ1-23     Using     an     Unnatural    Amino    Acid. Chem.Comm., 51, 7000-7003.
  25. Hai-Yang Wang, Kun Huang a, Melvin De Jesús, Sandraliz Espinosa, Luis E. Piñero-Santiago, Charles L. Barnes, Margarita Ortiz-Marciales, (2016), Synthesis of enantiopure 1,2-azido and 1,2-amino alcohols via regio and stereoselective ring-opening of enantiopure epoxides by sodium azide in hot water, Tetrahedron: Asymmetry 27, 91–100.
  26. Christian J.Ortiz-Hernandez, Adriana N.Santiago-Ruiz, Adaliz J.Torres-Rosado, Jomarie Jiménez-Gonzalez, Sean B.Yeldell, Rolando Oyola, IvanJ.Dmochowski, Jose Sotero-Esteva,Vibha Bansal, Ezio Fasoli(2019). In situ analysis and imaging of aromatic amidine at varying ligand densities in solid phase. Analytica land Bioanalytical Chemistry, doi.org/10.1007/s00216-019-01588-6.
  27. Luis Rijos, Anamaris Melendez, Rolando Oyola, Nicholas Pinto (2019). Effect of polyethylene oxide on camphor sulfonic acid doped polyaniline thin film field effect transistor with ionic liquid gating. Synthetic Metals,257,116176. https://doi.org/10.1016/j.synthmet.2019.116176.
  28. Santiago-Huertas, Cesar, Jorge Castillo, Rolando Oyola (2020). ATR-FTIR Experiment for Instrumental Analysis Laboratory: Determination of Acetaminophenin Panadol Tablets. Chem. Educator, 25, 178–183.
  29. Kyabeth M. Torres, Ambar S. Delgado, Erika R.Serrano, Nitza V. Falcón-Cruz, Anamaris Meléndez, Idalia Ramos, Deguo Du, Rolando Oyola (2021). Gallium nanoparticles as novel inhibitors of Aβ40 aggregation. Materials Advances. https://doi.org/10.1039/D1MA00461A.
  30. NitzaV. Falcón-Cruz, NathalyVergara-Toro, AlondraBrito-Pérez, DanielRivera, Anamaris Meléndez, Idalia Ramos, Rolando Oyola (2021) Online Lab for High School Students:Calibration Curve Using Fluorescence of a Yellow Highlighter Solution. Journal of Laboratory Chemical Eductaion, 9(4), 51-56. doi:10.5923/j.jlce.20210904.01.

 

Dra. Mirna Rivera Claudio

  1. Ph D. Thesis, Preparation of some Functionalized vinylsilanes and their chemistry, July 1987 Part I b-trialkylyl a, b-unsaturated esters. Part II b-acetoxyvinylsilanes
  2. Larson, G. L., Soderquist, J. A.; Rivera-Claudio, M. (1990), “Preparation of b-Silyl a, b-unsaturated       Esters and 3-silyl allyl alcohols”, Synthetic Communications, 20 (8), 1095.
  3. Pannell, K. H.; Peña, Eduardo; Rivera-Claudio, M.; Kapoor, Ramesh N. (1993), “Organometalloidal derivatives of the transition metals 33. Reactions of ferrocenylcarboxaldehyde with base and      trimethyl silylcyanid­e.  A new high yield reaction for the formation of cyano amines or silyl      ethers” J. Organometallic Chem., 447 (2), 265.
  4. Pannell, K. H.; Rozell, J.; Rivera-Claudio, M.; Ramirez-Oliva-E., (1996), “Hydrosilylation of acetylenes using H2PtCl6 /CO catalytic system, significantly enhanced yields of a- products” J. Organometallic Chem”, 521, 267 – 270.
  5. Tanya L. Díaz, María Malavé, Mirna Rivera, Jorge Castillo, Carlos R. Cabrera, Rosa Brito, Rolando J. Tremont, 2008, Modification of Au Surfaces Using New Ferrocene Derivatives, Applied Surface Science. 254 (6), 1587-1592.
  6. Castillo-Ramirez,J.; Echevarría I.; Santiago, J.; Pérez-Torres, M.; Rivera-Claudio, M. 2013.  “Synthesis and Characterization of Ferrocene Acetals and   Evaluation of their Antineoplastic Properties by Using Breast Cancer Cell Lines In Vitro” Jorge Castillo-Ramirez, Ileabett Echevarria, Janice Santiago, Marianela Pérez-Torres, Mirna Rivera-Claudio.Synthesis, 45, 1853-1856.

 

Dra. Ileana Rodríguez

  1. Marrero, J.; Rodríguez, I. I.; Rodríguez, A. D. in Comprehensive Natural Products II Chemistry and Biology; Mander, L., Lui, H.-W., Eds.; Elsevier: Oxford, 2010; volume 2, pp.           363–428.
  2. Rodríguez, I. I.; Rodríguez, A. D.; Zhao, H. Aberranone: a Gorgonian-Derived Diterpene from Pseudopterogorgia elisabethae. Org. Chem. 2009, 74, 7581-7584.
  3. Rodríguez, I. I.; Rodríguez, A. D. Elisapterosin F: a Polycyclic Gorgonian-Derived Diterpene with a Facially Amphiphilic Structure. Tetrahedron Lett. 2009, 50, 5493-5496.
  4. Shi, Y. P.; Wei, X.; Rodríguez, I. I.; Rodríguez, A. D.; Mayer, A. M. S. New Terpenoid Constituents of the Southwestern Caribbean Sea Whip Pseudopterogorgia elisabethae (Bayer), Including a Unique Pentanorditerpene. J. Org. Chem. 2009, 493-502.
  5. Wei, X.; Rodríguez, I. I.; Rodríguez, A. D; Barnes, C. L. “Caribenols A and B, Sea Whip- Derived Norditerpenes with Novel Tricarbocyclic Skeletons”, Org. Chem. 2007, 72, 7386-          7389.
  6. Rodríguez, I. I.; Rodríguez, A. D.; Wang, Y.; Franzblau, S. G. “Ileabethoxazole: A Novel Benzoxazole Alkaloid with Antimycobacterial Activity”, Tetrahedron Lett. 2006, 47, 3229-3232.
  7. Rodríguez, I. I.; Shi, Y. P.; García, O. J.; Rodríguez, A. D.; Mayer, A. M. S.; Sánchez, J. A.; Ortega-Barria, E.; González, “New Pseudopterosin and seco-Pseudopterosin Diterpene Glycosides from Two Colombian Isolates of Pseudopterogorgia elisabethae and their Diverse Biological Activities”, J. Nat. Prod. 2004, 67, 1672-1680.
  8. Rodríguez, I. I.; Rodríguez, A. D. “Homopseudopteroxazole, a New Antimycobacterial Diterpene Alkaloid from Pseudopterogorgia elisabethae”, J. Nat. Prod. 2003, 66, 855-857.
  9. Shi, J. P.; Rodríguez, I. I.; Rodríguez, A. D. “Elisapterosins D and E: Complex Polycyclic Diterpenes of the Rare Elisapterane Class of Natural Products from the Caribbean Sea Whip Pseudopterogorgia elisabethae (Bayer)”, Tetrahedron Lett. 2003, 44, 3249-3253.
  10. Baran, P.; Raptis, R. G.; Rodríguez, A. D.; Rodríguez, I. I.; Shi, Y. P. “Structural Characterization of Elisabatins B and C”, J. Chem. Chryst. 2003, 33, 711-718.
  11. Rodríguez, A. D.; Rodríguez, I. I. “Ileabethin: Isolation and Structure of a New Class of Perhydroacenaphthene Diterpene from the Caribbean Sea Whip Pseudopterogorgia elisabethae”, Tetrahedron Lett. 2002, 43, 5601-5604.
  12. Rodríguez, A. D.; Ramírez, C.; Barnes, C. L., Rodríguez, I. I.; “Novel Terpenoids from the West Indian Sea Whip Pseudopterogorgia elisabethae (Bayer). Elisapterosins A and B: Rearranged Diterpenes Possessing an Unprecedented Cagelike Framework”, J. Org. Chem. 2000, 65, 1390-1398.
  13. Rodríguez, A. D.; Ramírez, C.; Rodríguez, I. I.; González, E. “Novel Antimycobacterial Benzoxazole Alkaloids from the West Indian Sea Whip Pseudopterogorgia elisabethae”, Organic Lett. 1999, 1, 527-530.
  14. Rodríguez, A. D.; Ramírez, C.; Rodríguez, I. I. “Elisabatins A and B: New Amphilectane Type Diterpenes from the West Indian Sea Whip Pseudopterogorgia elisabethae”, J. Nat. Prod. 1999, 62, 997-999.
  15. Rodríguez, A. D.; Ramírez, C.; Rodríguez, I. I. “Sandresolides A and B: Novel nor-diterpenes from the Sea Whip Pseudopterogorgia elisabethae”, Tetrahedron Lett. 1999, 40, 7627-7631.

 

Dr. Rolando Tremont

  1. Cabrera, C.R, Warner J.D, Mueller C.H, Van Keuls F., Miranda F.A, Tremont R.J, Blasini, D.R, and Morales A. 2001. Ferroelectric Charge Injection MOSFET Devices. Integrated Ferroelectrics. 38: 269.
  2. Cabrera, C.R., Warner, J.D., Mueller. C.H., Van Keuls, F., Miranda, F.A., Tremont, R.J., Blasini, D., and Morales, A.. 2001. Self-Assembled 3-Mercaptopropyltrimethoxysilane (MPS) on Ba0.5Sr0.5TiO3 as an Adhesion Layer for Microwave Devices. Materials Research Society (MRS) Proceedings.666, F9.1/1-F9.1/6.
  3. Tremont R.J., and Cabrera C.R. 2002. Corrosion Protection Comparison of Copper by a Self assembled Monolayer of 1-Propanethiol and Propyltrimethoxysilane: A comparison with 3 mercaptopropyltrimethoxysilane. J. of Applied Electrochemistry. 32: 783-795.
  4. Blasini D.R, Tremont R.J., and Cabrera C.R, Batina, N., and González, I. 2003. Self-Assembled (3-Mercaptopropyl)trimethoxysilane on Iodine Coated Gold Electrodes. J. Electroanalytical Chemistry. 540: 45-52.
  5. Brito, R, Tremont R.J., Feliciano, O., and Cabrera, C.R. 2003. Chemical Derivatization of Self-Assembled
  6. 3-Mercaptopropionic and 16-Mercaptodecanoic Acids at Platinum Surface with 3-Aminopropyltrimethoxysilane: A Spectroscopic and Electrochemical Study. J. Electroanalytical Chemistry. 540: 53-62.
  7. Tremont, R.J., Blasini, D., and Cabrera, C.R. 2003. Controlled Self-Assembly of Mercapto and Silane Terminated Molecules at Cu Surfaces. Journal Electroanalytical Chemistry. 556:147-158.
  8. Tremont, R.J., Cruz, G., and Cabrera, C.R. 2003. Pt nanoparticles on Cu surface modified with 3-mercaptopropyltrimethoxysilane and 1-propanethiol. J. Electroanalytical Chemistry. 558: 65-77.
  9. Bolívar, H., Izquierdo, S., Tremont, R.J., and Cabrera, C.R. 2003 Pt/MoOx/MoSe2 Electrodes Prepared from Li Intercalated-Exfoliated MoSe2: Applications in Methanol Oxidation. J. Appl. Electrochemistry. 33: 1191-1198.
  10. Sosa, E., Cabrera-Sierra, R., Oropeza, M.T, Hernández, F., Casillas, N., Tremont, R.J. Cabrera, C.R, and González, I. 2003 Chemical Characterization of Corrosion Films Electrochemically Grown on Carbon Steel in Alkaline Sour Environment. J. of The Electrochemical Society. 150 (11), B530-B535.
  11. Sosa, E., Cabrera-Sierra, R., Oropeza, M.T., Hernández, F., Casillas, N., Tremont R.J., Cabrera, C.R, and Gonzalez, I. 2003 Electrochemically grown passive films on carbon steel (SAE 1018) in alkaline sour medium. Electrochimica Acta. 48 (12), 1665-1676.
  12. Brito, R., Tremont, R.J., and Cabrera, C.R. 2004. Study of the electron transfer kinetics across a derivatized self assembled monolayer on platinum by cyclic voltammetry and electrochemical impedance spectroscopy. J. Electroanalytical Chemistry. 574: 15-22.
  13. Morales-Cruz, A.,L, Tremont, R.J., Martínez, R., Romañach, R., and Cabrera, C.R.. 2005. Atomic force measurements of 16-mercaptohexadecanoic acid and its salt with CH3, OH, and CONHCH3 functionalized self-assembled monolayers. Applied Surface Science. 241( 3-4): 371-383.
  14. Markus Frei , François Diederich, Rolando Tremont, Tanya Díaz , Luis Echegoyen, 2006, Tetrathiafulvalene- (TTF) bridged Resorcin[4]arene Cavitands: Towards New Electrochemical Molecular Switches, Helvetica Chimica Acta, 89 (9) 2040 – 2057.
  15. Tanya L. Díaz, María Malavé, Mirna Rivera, Jorge Castillo, Carlos R. Cabrera, Rosa Brito, Rolando J. Tremont, 2008, Modification of Au Surfaces Using New Ferrocene Derivatives, Applied Surface Science. 254 (6), 1587-1592.
  16. Luisa Rojas de Astudillo, Linoshka Rivera, Rosa Brito-Gómez and Rolando J. Tremont, 2010, Electrochemical Study of 1,4-benzoquinone on gold surface modified, Journal of Electroanalytical Chemistry, 640, 56-60.
  17. Book Chapter: Luisa Rojas de Astudillo, Rosa Brito Gómez, Rolando J. Tremont, 2012: Detection of Thiols Using Hydroquinone on Gold Surface, In Book: hydroquinone: Production, Uses and Health Effects, ISBN: 978-1-62100-258-1, Editors: Fritz Gokden and         André Lazzarotto, Nova Science Publishers, NY, USA.
  18. Book Chapter: Rosa D. Brito Gómez and Rolando J. Tremont (2012), Reactions for the derivatization of self-assembled monolayers after their formation on metallic surfaces, In Book: Recent Advances in Electrochemical Research: ISBN: 978-81-7895-545-2,   Transworld Research Network.
  19. Mario Ortega-Núñez, Rolando J. Tremont, Carmen A. Vega-Olivencia, Juan López-Garriga, 2012, Electrochemistry of Hemoglobin I from Lucina pectinata immobilized on a modified gold electrode with 3-mercaptopropionic acid, International Journal of Analytical and Bioanalytical Chemistry; 2(4): 218-227.
  20. Mario Ortega-Núñez, Rolando J. Tremont, Carmen A. Vega-Olivencia, Juan López-Garriga, 2012, Modification of Cysteine-Gold Modified Electrode with Hemoglobin I from Lucina pectinata: XPS study and Electrochemical Activity for Hydrogen Sulfide, International Journal of Materials and Biomaterials Applications; 2(4): 29-36.
  21. Natalia N. Olmeda-Viera, Jennifer Camacho-Lugo, Rolando J. Tremont, Rosa D. Brito-Gómez (2016), Chemical derivatization of self-assembled 3-mercapto-1-propanol at gold surfaces with acrylamide: a spectroscopic and electrochemical study, J. Natural Science, Equilibrium, 2 (67-83).
  22. Natalia N. Olmeda-Viera, Jorge M. Marcano-Bermudez, Nicole Lopez-Pena, Gina Garcia, Angelique Perez, Tamesis Serrano, Cristian Chamorro, Jonathan Pacheco, Yamil Esquilin, Rosa D. Brito-Gómez, Rolando J. Tremont (2018), Determination of heavy metals in common crabs in two regions of Puerto Rico, submitted to Chemosphere.