Publicaciones Recientes

DEPARTMENT OF PHYSICS AND ELECTRONICS

JOURNAL ARTICLE

2011

M. Abreu, S. Montañez and N. J. Pinto. “Electrospun composite nanofibers of poly(vinylidene fluoride-trifluoroethylene)/polyaniline-polystyrene sulfonic acid.” J. Appl. Sci. 119, 3640-3644 (2011).

Natalya A. Zimbovskaya. Invited Review: “Local geometry of the Fermi surface and its eect on the observable electron characteristics of normal metals”, accepted in Physics-Uspekhi, 52, xxx (2011).

Natalya A. Zimbovskaya.  Invited Review: “Inelastic effects in the electron transport through molecular junctions: a brief overview”, accepted in J. Comput. Theor. Nanosci. 8, xxx (2011).

 

 BOOK CHAPTER

2010

Natalya A. Zimbovskaya.  “Inelastic Effects In The Electron Transport Through Molecular Junctions, Handbook of Nanophysics”, (Vol. VI, Nanoelectronics and Nanophotonics). Ed. by K. Sattler, (Taylor and Francis, New York, 2010) Chapter 10, pp. 1-19.

 

Natalya A. Zimbovskaya. “On the Electron Transport in Conducting Polymer Nanofibers”,  Nanofibers, Ed. by Ashok Kumar. (InTech, Vienna, 2010) Chapter 17, pp. 329-348. 

 

N.J. Pinto. “Integration of nanoscience into the undergraduate curriculum via simple experiments based on electrospun polymer nanofibers”, (ACS Books 2010).


 

JOURNAL ARTICLES

 2010

F.A. Miranda, M.A. Meador, O. Theofylaktos, N.J. Pinto, C.H. Muller and J. Santos-Perez  2010. “Graphene-based reversible nano-switch/senor Schottky diode”, NASA Tech Briefs, 34, 24 (2010).

Jie Xiao, Zhengzheng Zhang, Dong Wu, Lucie Routaboul, Pierre Braunstein, Bernard Doudin, Ya.B. Losovyj, Orhan Kizilkaya, Luis G. Rosa, Camelia N. Borca, Alexi Gruverman and Peter A. Dowben.  “Interface Interactions Between Quinonoid Zwitterion and Conducting or Insulating Surfaces”, Physical Chemistry Chemical Physics, 12, 10329 (2010).

L. A. Somers, Natalya A. Zimbovskaya, Alan T. Johnson, and Eugene J. Mele. “Nanoparticle shape  selection by repulsive interactions: metal islands on few layer graphenes”, Phys. Rev. B. 82, 115430 (2010).

Luis G. Rosa, Jinyue Jiang, Freddy Wong Li, Jie Xiao, Emmanuel Utreras, Ocelio V. Lima, Jose Alvira, Ya. B. Losovyj and Li Tan. Franck-Condon Coupling in Anthracene Isomers Self-assembled Layers and Symmetry Effects on the High Resolution Ultraviolet Photoemission Spectra (HRUPS)”, Journal of Physical Chemistry C, 114, 1015 (2010).

R. Rojas, A. Meléndez, I. Ramos, J.J. Santiago-Avilés and  N.J. Pinto “Field Effect Devices and Sensors Based on Electrospun Polymer Assisted Tin Oxide Nanoribbons”, J. Nanoscience and Nanotechnology 10, 2811-2815 (2010). 

R.J. Muller, J.C. Cersosimo, D. Centeno, L. Rivera-Rivera, E. Franco, V. Maldonado, K. Morales, M. de Jesus, R.A. Rodriguez, A.J. Sosa, M. Rosario, “Observation  Report 2008”, Humacao  University  Observatory, , JDSO (WWW.jdso.org) , Vol. 6, No 4, 274-279, (2010).

 

Rogerio Furlan, Stefanie Vargas Arroyo, Ramon Orlando Fabery Torres, Joel A. Morales Rosado, and Ana Neilde Rodrigues da Silva. “Study of nanofiber formation by injecting polymeric solutions inside intense electric fields using different electrode configurations”, Journal of Integrated Circuits and Systems, Vol. 5, No. 2, 2010, pp.101-106 (2010).

Wang Y., I. Ramos, and J. Santiago. “Electrical characterization of a single electrospun porous nanostructured tin oxide ribbon”, J. Nanosci. Nanotechnol. 10, 1884-1890, (2010).

Zhengzheng Zhang, Jose Alvira, Xenia Barbosa, Luis G. Rosa, Lucie Routaboul, Pierre Braunstein, Bernard Doudin, and Peter A. Dowben. "Lock and Key Adsorption Chemistry: Preferential Absorption of an Isomer of Di-iodobenzene on Molecular Films of Quinonoid Zwitterions", Journal of Physical Chemistry C, (accepted). (2010).

 

JOURNAL ARTICLES

2009

J.C. Cersosimo, S. Mader, N. Santiago Figueroa,  S. Figueroa Vélez, C. Lozada Soto and D. Azcárate.  “ Warped Ionized Hydrogen in the Galaxy”, The Astrophysical Journal, 699:469-477, July (2009).

J.C. Cersosimo, R.J. Muller, N. Santiago Figueroa .  “The Ionized Structure of the Local Spur” , The Astrophysical Journal, Vol.699, p716-721,(2009).

 

J.A. Gonzalez and P. Serrano Ojeda.  “Longitudinal study using diode phantom for helical tomotherapy IMRT QA, M. Geurts”, Medical Physicist Journal 36 (11), pp 4977-4983, November ( 2009).

Luis G. Rosa and Jian Liang. “Topical Review: Atomic force microscope nanolithography: dip-pen, nanoshaving, Nanografting, tapping mode, electrochemical and thermal nanolithography”, Journal of Condensed Matter Physics, 21, 483001 (18p) (2009).

Luis G. Rosa, Jinyue Jiang, Ocelio Velima, Jie Xiao, Emmanuel Utreras, Peter A. Dowben and Li Tan, "Selective Nanoshaving of Self-Assembled Monolayer of 2-(4-Pyridylethyl)triethoxysilane", Materials Letters, 63, 961-964, (2009).

 

Natalya A. Zimbovskaya. “Electron transport through asymmetric ferroelectric tunnel junctions: current-voltage characteristics”, J. Appl. Phys. 106, 124101 (2009).

Natalya A. Zimbovskaya and Maija M. Kuklja. “Vibration-induced inelastic effects in the electron transport through multisite molecular bridges”, J. Chem. Phys. 131, 114703 (2009).

 Natalya A. Zimbovskaya and Godfrey Gumbs. “Quantum oscillations in the high frequency magnetoacoustic response of a quasi-two-dimensional metal”, J. Phys: Condens. Matter, 21, 415703 (2009).

Natalya A. Zimbovskaya, Mark R. Pederson, Amy S. Blum, Bahanalli R. Ratna, and Reshimah Allen. “Nanoparticle networks as chemoselective sensing devices”, J. Chem. Phys. 130, 094702 (2009).                                                                                                          

 

N.J. Pinto, K.V. Carrasquillo, C.M. Rodd and R. Agarwal. “Rectifying junctions of tin oxide and poly(3-hexylthiophene) nanofibers fabricated via electrospinning”,  Appl. Phys. Lett. 94, 083504 (2009).

 

O. Martínez, A.G. Bravo and N.J. Pinto. “Fabrication of poly(vinylidene fluoride-trifluoroethylene)-poly(3,4-ethylenedioxythiophene) polystyrene sulfonate composite nanofibers via electrospinning”,  Macromolecules 42, 7924-7929 (2009).

 

Peter A. Dowben, Luis G. Rosa, Carolina Ilie and Jie Xiao. "Adsorbate/Absorbate Interactions with Organic Ferroelectric Polymers", Journal of Electron Spectroscopy and Related Phenomena, 174, 10-21, (2009).

 

R.J. Muller, J.C.Cersosimo, V. Miranda, D. Centeno, L. Rivera-Rivera, E. Franco, K. Ramos, K. Morales, V. Maldonado .  “Observation  Report 2007”, Humacao University Observatory, , JDSO (WWW.JDSO.org) Vol. 5, No4,217-223, (2009).

 

R. Rivera and N.J. Pinto. “Schottky diodes based on electrospun polyaniline nanofibers: Effects of varying fiber diameter and doping level on device performance”, Physica E 41, 423-426 (2009).

 

Roberto Jacobe Rodrigues and Rogerio Furlan. “Time-of-flight flow microsensor using free-standing microfilaments”, Journal of Integrated Circuits and Systems, Vol. 4, No. 2,  pp. 84-88. (2009).

 

BOOK

J A. González  C. Guerra,  N. J. Pinto, “Manual de Laboratorio para Física Universitaria”,,  John Wiley & Sons 2008 ISBN: 978-0-470-17664-1.

 

JOURNAL ARTICLES

2008

Natalya A. Zimbovskaya and Mark R. Pederson.  “Negative differential resistance in molecular junctions:Effect of the electronic structure of the electrodes,” Phys. Rev. B 78, 153105 (2008).                                  

 Natalya A. Zimbovskaya. “Inelastic electron transport in polymer nanofibers”,J. Chem. Phys. 129, 114705 (2008). 

 Natalya A. Zimbovskaya. “The electron transport through a quantum dot in the Coulomb blockade regime: Non-equilibrium Green's functions based model”, Phys. Rev. B 78, 120827  (2008).                       

Natalya A. Zimbovskaya. “Effect of Fermi-liquid interactions on the de Haas-van Alphen oscillations in metals”, J. Physics: Condens. Matter 20, 155105 (2008).                                                                              

Natalya A. Zimbovskaya and Godfrey Gumbs. “On the low frequency electromagnetic waves in quasi-two-dimensional metals”, Solid State Comm. 146, 88-91 (2008).

N.J. Pinto, I. Ramos, R. Rojas, P-C. Wang, A.T. Johnson, Jr. “Electric response of isolated electrospun polyaniline nanofibers to vapors of aliphatic alcohols”, Sens. Actuators B 129, 621-627 (2008).

                                                     

R.J. Muller,  J.C. Cersosimo, V. Miranda, C. Martinez, D. Centeno, L. Rivera-Rivera, E. Franco, K.Ramos, K. Morales .  “Observation Report 2006”, Humacao University Observatory, JDSO (www.jdso.org) Vol.4, No.4,170-174, (2008).

 

R.J. Muller,  J.C. Cersosimo, D. Centeno, V. Miranda, L. Rivera-Rivera, E. Franco, K. Morales. “Using the Separation of Double Stars to Obtain the Plate scale of a Telescope with a CCD Camera Attached”, Journal of Double Star Observations (www.jdso.org), Vol. 4, No3 pp 100-102, (2008).

 

Peter A. Dowben, Luis G. Rosa and Carolina C.Ilie. "Water Interactions with Crystalline Polymers with Large Dipole", Zeitschrift fur Physikalische Chemie-International Journal of Research in Physical Chemistry & Chemical Physics, 222, 755-778 (2008).

 

 

BOOK CHAPTER

2007

Jose Sotero-Esteva, Rogerio Furlan, Jorge J. Santiago. “On the relation between geometric and flow properties of a miniaturized fluidic oscillator”, in Section 3 (Fluid Flow), of “Computational Methods and Experimental Measurements XIII”, Edited by C. A. Brebbia & G. M. Carlomagno, WITPRESS, ISBN: 978-1-84564-084-2,  pp. 297-306. (2007).

 

 

 

JOURNAL ARTICLES

2007

Carolina C. Ilie, P.A. Jacobson, I.N. Yakovkin, Luis G. Rosa, Matt Poulsen, D. Sahadeva Reddy, James M. Takacs, and P. A. Dowben. "Activated Water Desorption from Poly(methylvinylidene cyanide)", Journal of Physics Chemistry B, 111, 7742-7746, (2007).

 

Demetrius Saraiva Gomes, Luiz Tadeu Freire Mendes, Ana Neilde Rodrigues da Silva, Nilton Itiro Morimoto, Rogerio Furlan, Idalia Ramos. “Electrospinning Process Characterization using Different PAN/DMF Concentrations”, Polimeros: Ciencia e Tecnologia (ISSN 0104-1428, Brazil), Vol. XVII, No.°3, pp. 206-211, July/September, (2007).

Furlan R., E.W. Simoes, M.L.P. da Silva, I. Ramos, E. Fachini.  “Modeling of composite fiber production with silica nanoparticles dispersed in polyethylene oxide”, Polymer 48: 5107-5115, (2007).

J.C. Cersosimo, R.J. Muller, S. Figueroa-Velez, N Santiago Figueroa, P. Baez. “ On the Distance and structure of W80”, The Astrophysical Journal, Vol. 656, Issue1, pp248-254, (2007).

                                                                                                                                                 Jian Liang, Luis G. Rosa, and Giacinto Scoles. "Nanostructuring, Imaging and Molecular Manipulation of Dithiol Monolayers on Au(111) Surfaces by Atomic Force Microscopy",Journal of Physical Chemistry C. (Journal cover for volume 111, , Issue: 46). 17275-17284, November 22, (2007).

 

Jose Alberto Fracassi da Silva, Claudimir Lucio do Lago, Rogerio Furlan. “Retention of copper(II) metal ions in a silicon-glass microfluidic device”, Journal of the Brazilian Chemical Society, Vol. 18, No.8,  pp. 1531-1536, (2007).

León-Brito N., A. Meléndez, Y. Wang, I. Ramos, N. Pinto, J. J. Santiago-Avilés. “Electrical properties of Sb-doped tin oxide nanofibers”, J. Phys. Confer. Ser. 61: 683-687, (2007).

Meléndez A., Y. Wang, I. Ramos, N. Pinto, J. J. Santiago-Avilés. “Electronic properties of electrospun tin oxide nanofibers”, J. Phys.Confer. Ser. 61: 688-692, (2007).

Natalya A. Zimbovskaya. “Fermi-liquid  and Fermi surface geometry effects in propagation of low frequency electromagnetic waves through thin metal films”, Phys. Rev. B 76, 131727 (2007).

Natalya A. Zimbovskaya. “On the dissipative effects in the electron transport through conducting polymer nanofibers”,  J. Chem. Phys.  126, 184901 (2007).

 Natalya A. Zimbovskaya. “On the de Haas-van Alphen oscillations in quasi-two-dimensional metals: effect of the Fermi surface curvature”, J. Phys: Condens. Matter 19, 176227 (2007).    

P.A. Jacobson, Luis G. Rosa, Kristin Kraemer, Stephen Ducharme, and P.A. Dowben. "Polyvinylidene fluoride-trifluoroethylene as a reservoir for absorbed water", Materials Letters,61, 1137-1141, (2007).

Ramos I. and S. Benítez. “Advancing Women Science Faculty in a Small Hispanic Undergraduate Institution, Ch. 8, p. 243-261; in Transforming Science and Engineering Advancing Academic Women”, A. J. Stewart, J. E. Malley, and D. LaVaque-Manty, Eds., Univ. of Michigan Press (2007).

R.J. Muller, J.C. Cersosimo, V. Miranda, C. Martinez, D. Cotto, I. deJesus, D. Centeno, L. Rivera-Rivera .  “Observation Report 2005”, Journal of Double Star Observations (www.jdso.org), Vol.3, No2, pp77- 81, (2007).

 

R.J. Muller, J.C. Cersosimo, V. Miranda, C. Martinez, P. Carrion, D. Cotto, I. deJesus, D. Centeno, L. Rivera-Rivera .  “Observation report 2003-2004”, Humcao University Observatory,  Journal of Double Star Observations (www.jdso.org), Vol. 3, No1, pp11-16, (2007).

Wang Y., I. Ramos, J. J. Santiago-Avilés. “Optical Bandgap and Photoconductance of Electrospun Tin Oxide Nanofibers”, J. Appl. Phys. 102, 093517, (2007).

Wang Y., I. Ramos, J. J. Santiago-Avilés. “Detection of Moisture and Methanol Gas Using a Single Electrospun Tin Oxide Nanofiber”, IEEE Sensors J., 7(9): 1347-1348, (2007).

Wang Y., I. Ramos, J. J. Santiago-Avilés.  “Electrical characterization of a single electrospun porous SnO2 nanoribbon in ambient air, Nanotechnol” 18:435704, (2007).

Wang Y., I. Ramos, J. J. Santiago-Avilés. “Synthesis of ultra-fine porous tin oxide fibres and its process characterization Nanotechnol.” 18:295601, (2007).

 Yaroslav Losovyj, Kevin Morris, Luis G. Rosa, John D. Scott and Peter A. Dowben. "High Resolution Photoemission Study of Organic Systems at the CAMD 3m NIM Beamline",Nuclear Instruments and Methods in Physics Research Section A-Accelerators Spectrometer Detectors and Associated Equipment, 582258-260, (2007).

 


 

PROCEEDINGS

2010

 

Campo  E., A. Meléndez, K. Morales, J. Poplawsky, J. Santiago and I. Ramos. “Electron Microscopy and Cathodoluminescence in Electrospun Nanodimensional Structures: Challenges and Opportunities”, , Proc. SPIE 7729: 77290T, May 17, (2010).

Rafael J Muller, J.C. Cersosimo, D.C. Centeno, L.A. Rivera-Rivera, E.  Franco, V. Maldonado, M. de Jesus Sosa, V. Miranda, K. Morales.  “Binary Star Systems with ambiguous  Position  Angle/separation Results”,  Bulletin of the American Astronomical Society Vol. 42, No 1,  P 39, (2010).

Rogerio Furlan, Joel A. Morales Rosado, Ana Neilde Rodrigues da Silva. “Study of Formation of Oriented Fibers Using Injection of Polymeric Solutions Inside Electric Fields Defined by Two Parallel Suspended Electrodes”, in 25th Symposium on Microelectronics Technology and Devices”,  Sao Paulo, SP, Brazil, September 6 to 9, Electrochemical Society Transactions, Vol. 31 (1), pp. 251-257, SBMicro (2010).

 

2009

 

 

Meléndez A., K. Morales, I. Ramos, E. Campo and J. J. Santiago-Avilés. “Preparation and Properties of Electrospun Gallium Nitride Nanofibers”, Proc. IEEE Nano  , Genoa, Italy. Jul 26-30,(2009).

 

Meléndez A., K. Morales, I. Ramos, E. Campo and J. J. Santiago-Avilés. “Synthesis and Characterization of Electrospun Gallium Nitride Nanofibers”, SPIE Nanosci. Eng., Aug 2-6, San Diego, California. (2009).

Rafael J Muller, D.C. Centeno, L. Rivera-Rivera, J.C. Cersosimo, K. Morales, K. Ramos, E. Franco, V. Miranda, V. Maldonado.   “Data on Separation and Position Angle of Binary Star Systems”, Bulletin of the American Astronomical Society Vol.41 No 1, p 20, (2009).

Rogerio Furlan, Stefanie Vargas Arroyo, Ramon Orlando Fabery Torres, Joel A. Morales Rosado, and Ana Neilde Rodrigues da Silva. “Study of variations of the electrospinning process”, “24th Symposium on Microelectronics Technology and Devices”, Natal, Brazil, August 31 to September 3, Electrochemical Society Transactions, Vol. 23 (1), pp. 53-60, SBMicro (2009) .

 

 

2008

 

Rafael J. Muller, D.C. Centeno, L.A.Rivera-Rivera, K. Morales, K. Ramos, E. Franco. “Observational  Data on Binary Stars”, Bulletin of the American Astronomical Society, Vol 40, No 1, (2008).

Ramos I., R. A. Rivera, N. J. Pinto, J. Sotero, E. Vega, N. Zimbovskaya, P. Negrón, M. Rivera, and G. Colón. “The Humacao Strange Matter Exhibition: PREM brings Materials Science and Nanotechnology to Puerto Rican Communities”, Mater. Res. Soc. Symp. Proc. 1105,(2008).

Roberto Jacobe Rodrigues and Rogerio Furlan. “Time-of-flight flow sensor microstructure using free-standing polysilicon filaments”, “23th Symposium on Microelectronics Technology and Devices”, Gramado, Brazil, September, Electrochemical Society Transactions, Vol. 14 (1), pp. 27 – 36, SBMicro (2008).

 

 

2007

 

A. Melendez, Y. Wang, I. Ramos, N. Pinto and J.J. Santiago. “Electronic properties of electrospun tin oxide nanofibers” , Journal of Physics: Conference Series 61, 688-692 (2007).                                                                                                                                          

 

J. C. Cersosimo, S.L. Mader, D.E. Ascarate, R.J. Muller, N.A. Santiago-Figueroa, C.A. Lozada-Soto, S.Figueroa-Velez.  “A New Search for Warp’s Evidence at the Southern Hemisphere”, Bulletin of the  American Astronomical Society, Vol 39, No4, (2007).

 

Jorge J. Santiago Aviles, Rogerio Furlan, Jose Sotero Esteva. “Development of LTCC based miniaturized combustors”, IMAPS New England – 34th Annual Symposium and Exihibition, Alternative Energy, Section 4,  publication in CD ROM, (May 2007).

León N., A. Meléndez, G. Figueroa, I. Ramos, N. J. Pinto. “Electrospun tin oxide nanofibers for gas sensing applications”, Proc. Nanotechnol. III-SPIE, 6591: 65910G, (2007).

N. León, A. Melendez, Y. Wang, I. Ramos, N. Pinto and J.J. Santiago. “Electrical properties of Sb-doped tin oxide nanofibers”, Journal of Physics: Conference Series 61, 683-687 (2007).

 

R.J.  Muller, J.C. Cersosimo, D.C.Centeno, L.A. Rivera-Rivera, K. Morales, K. Ramos, E. Franco.  “Observational data on Binary Stars”, Bulletin of the  American  Astronomical Society , Vol 39, No 4, 2007, p574,(2007).

Wang Y., I. Ramos, J. J. Santiago-Avilés. “Temperature dependence of electrical conductance in a single porous SnO2 nanoribbon”, Proc. Nanotechnol. III-SPIE, 6591:65910, (2007).

Y. Wang, I. Ramos, J. J. Santiago-Avilés. “Process Characterization of Ultra-Fine Tin Oxide Fibers Synthesis”, Mater. Res. Soc. Symp. Proc. Vol. 951, (2007).

 

 

 

PUBLICATIONS AT THE NATIONAL CONFERENCE FOR

UNDERGRADUATED RESEARCH

 

2010 (NCUR)

 

Joel A. Morales Rosado, Rogerio Furlan (supervisor), Carmen Hernandez (supervisor). Formation of oriented fibers by injecting polymer between two parallel electrodes”, in 24th National Conference on Undergraduate Research, Missoula, MT, (NCUR 2010).

Santa  L. and J. Robles (Mentor: I. Ramos). “Electrospun Tin Oxide Nanofibers decorated with Ag Nanoparticles”, Proc. NCUR, The University of Montana, Missoula, MT., Apr 15-17 (2010).

Reyna M. (Mentor: I. Ramos). “Characterization of Antimony-doped Tin Oxide Nanofibers”, Proc. NCUR, The University of Montana, Missoula, MT., Apr 15-17 (2010).

 

2009 (NCUR)

 

J. Rodriguez* and N.J. Pinto.  “Electrical characterization of crossed electrospun tin oxide nanoribbons in a field effect transistor configuration”, National Conference on Undergraduate Research, Conference Proceedings (2009).

 

K. Carrasquillo* and N.J. Pinto. “Electrical characterization of crossed nanofibers of polyaniline and SnO2 prepared via electrospinning”, National Conference on Undergraduate Research, Conference Proceedings (2009).

 

Ramon Orlando Fabery, Rogerio Furlan (supervisor). “Insertion of drops of polymeric solutions inside an electric field defined by nearby micro electrodes for nanofiber formation”, in 23rd National Conference on Undergraduate Research, La Crosse, WI,  publication in CD ROM, NCUR (2009).

 

Stefanie Vargas, Rogerio Furlan (supervisor). “Study of interactions of poly(ethylene oxide) aqueous solutions and electric fields”, in 23rd National Conference on Undergraduate Research, NCUR, La Crosse, WI,  publication in CD ROM (2009).

 

 

2008 (NCUR)

 

Bravo and N.J. Pinto. “Schottky diode based on a thin film of 4-polyethylenedioxythiophene-polystyrenesulfonate”, National Conference on Undergraduate Research, Conference Proceedings (2008).

 

Meléndez (Mentors: I. Ramos, N. Pinto and E. Campo). “Fabrication of Gallium Nitride Nanofibers using Electrospinning and Thermal Decomposition”, Proc. NCUR, , Salisbury University, Salisbury, MD, Apr 10-12, (2008).

 

O. Martínez, N.J. Pinto and I. Ramos.  “Aliphatic alcohol vapor sensors based on fibers of 4-polyethylenedioxythiophene-polystyrenesulfonate”, National Conference on Undergraduate Research, Conference Proceedings (2008).

 

2007 (NCUR)

 

Figueroa G.  (Mentors: I. Ramos, Y. Wang, N. Pinto and J. Santiago). “Detection of Oxygen, 2-Propanol and Methanol using Tin Oxide Nanofibers”, Proc. NCUR,  Dominican University of California, San Rafael, CA., Apr 12-14, (2007).

Juan Antonio Colon, Rogerio Furlan (supervisor). “Study of electrospinning of aqueous solutions with polyethylene oxide (PEO)”, 21st National Conference on Undergraduate Research, NCUR , San Rafael, California, publication in CD ROM, pp. 345-351, April 12 to 14 (2007).

León N. and A. Meléndez, (Mentors: I. Ramos, N. Pinto and J. Santiago. “Magnetoresistance of Electrospun Antimony-doped Tin Oxide Nanofibers”, Proc. NCUR, Dominican University of California, San Rafael, CA., Apr 12-14 (2007).

Meléndez A. and Neliza León (Mentors: I. Ramos, N. Pinto and J. Santiago). “Electronic Transport Mechanism in Tin Oxide Nanoribbons”, Proc. NCUR, Dominican University of California, San Rafael, CA., Apr 12-14 (2007).

R. Rivera, N.J. Pinto, I. Ramos and A. Melendez. “Influence of various gases on the device characteristics of regioregular poly(3-hexylthiophene) thin film field effect transistor”, National Conference on Undergraduate Research, Conference Proceedings (2007).