University at Buffalo Logo random header image 1 random header image 2 Department of Chemistry Logo College of Arts and Sciences Logo

Publications of Dr. Paras N. Prasad

  1. “Shape and Structure Control of PbSe Nanocrystals Using Noble Metal Seed Particles,” K-T. Yong, Y. Sahoo, K.R. Choudhury, M.T. Swihart, J.R. Minter, and P.N. Prasad, Nano Lett. 6(4), 709-714 (2006).
  2. “Polyelectrolyte Stabilized Nanowires From Fe3O4 Nanoparticles via Magnetic Field Induced Self Assembly,” R. Sheparovych, Y. Sahoo, M. Motornov, S. Wang, H. Luo, P.N. Prasad, I. Sokolov, and S. Minko, Chem. Mater. (Communication) 18(3), 591-593 (2006).
  3. “Colorimetric Porous Photonic Bandgap Sensors with Integrated CMOS Color Detectors,” X.Y. Fang, V.K.S. Hsaio, V.P. Chodavarapu, A.H. Titus, A.N. Cartwright, P.N. Prasad, and F.V. Bright, IEEE, Sensors Journal, Vol. 6, Iss. 3, 661-667 (2006).
  4. “Experimental Verification of the Applicability of the Homogenization Approximation to Rough One-Dimensional Photonic Crystals Using a Holographically Fabricated Reflection Grating,” K.R. Maskaly, V.K.S. Hsiao, A.N. Cartwright, P.N. Prasad, P.F. Lloyd, T.J. Bunning, and W.C. Carter, J. Appl. Phys. 100, 066103 (2006).
  5. “Laser-Driven Synthesis and Magnetic Properties of Iron Nanoparticles,” Y. He, Y. Sahoo, S. Wang, H. Luo, P.N. Prasad, and M.T. Swihart, J. Nanopart. Res. 8, 335-342 (2006).
  6. “Asymmetric Properties Between the Forward and Backward Stimulated Emission Generated by Ultrafast Three- and Four-photon Excitation,” G.S. He, C. Lu, Q. Zheng, A. Baev, M. Samoc, and P.N. Prasad, Phys. Rev. A 033815/1-033815/10 (2006).
  7. “Synthesis of C60-Diphenylaminofluorene Dyads with Two-Photon Absorbing Characteristics,” P.A. Padmawar, T. Canteenwala, S. Verma, L.-S. Tan, G.S. He, P.N. Prasad, and L.Y. Chiang, Chem. Mater. 18(17), 4065-4074 (2006).
  8. “Infrared Two-Photon Excited Visible Lasing from a DNA-Surfactant-Chromophore Complex,” G.S. He, Q. Zheng, P.N. Prasad, J. Grote, and F. Hopkins, Opt. Lett. 31(3), 359-361 (2006).
  9. “Aggregation-Enhanced Fluorescence and Two-Photon Absorption in Nanoaggregates of a 9,10-Bis[4'-(4''-aminostyryl)styryl]anthracene Derivative,” S. Kim, Q. Zheng, G.S. He, D.J. Bharali, H.E. Pudavar, A. Baev, and P.N. Prasad, Adv. Funct. Mater. 16, 2317 (2006).
  10. “Solution-Processed Pentacene Quantum-Dot Polymeric Nanocomposite for Infrared Photodetection,” K.R. Choudhury, W.J. Kim, Y. Sahoo, K.-S. Lee, and P.N. Prasad, Appl. Phys. Lett. 89, 051109 (2006).
  11. “DNA-Ormocer Nanocomposite - A New Biocomposite for Fabrication of Photonic Structures,” P. Gupta, P.P. Markowicz, K. Baba, J. O'Reilly, M. Samoc, and P.N. Prasad, Appl. Phys. Lett. 88, 213109 (2006).
  12. “Dacyllipid Micelles-Based Nanocarrier for Magnetically Guided Delivery of Drugs in Photodynamic Therapy,” L.O. Cinteza, T.Y. Ohulchanskyy, Y. Sahoo, E.J. Bergey, and P.N. Prasad, Mol. Pharm. 3(4), 415-423 (2006).
  13. “Synthesis and Plasmonic Properties of Silver and Gold Nanoshells on Polystyrene Cores of Different Size and of Gold-Silver Core-Shell Nanostructures,” K-T. Yong, Y. Sahoo, M.T. Swihart, and P.N. Prasad, Colloids Surfaces A: Physicochemical and Engineering Aspects, Vol. 290, pp. 89-105 (2006).
  14. “Factors Controlling Fibroblast Growth Factor Receptors - 1'8 Cytoplasmic Mobility Revealed by FRAP Analysis,” S.M. Dunham-Ems, H.E. Pudavar, J. Myers, P.N. Prasad, and M.K. Stachowiak, Molecular Biology of the Cell 17, 2223 (2006).
  15. “Experimental and Quantum Chemical Studies of Cooperative Enhancement of Three-Photon Absorption, Optical Limiting, and Stabilization Behaviors in Multibranched and Dendritic Structures,” Q. Zheng, G.S. He, A. Baev, and P.N. Prasad, J. Phys. Chem. B 110(30), 14604-14610 (2006).
  16. “Dye-Concentrated Organically Modified Silica Nanoparticles as a Ratiometric Fluorescent pH Probe by One- and Two-Photon Excitation,” S. Kim, H.E. Pudavar, and P.N. Prasad, Chem. Commun. 2071 (2006).
  17. “Structure-Activity Relationship Among Purpurinimides and Bacteriopurpurinimides: Trifluoromethyl Substituent Enhanced the PDT Efficacy,” A. Gryshuk, Y. Chen, L.N. Goswami, S. Pandey, J.R. Missert, T. Ohulchanskyy, W. Potter, P.N. Prasad, A. Oseroff, and R.K. Pandey, J. Med. Chem. 50(8), 1754-1767 (2007).
  18. “Growth of CdSe Quantum Rods and Multipods Seeded by Noble Metal Nanoparticles,” K.-T. Yong, Y. Sahoo, M.T. Swihart, and P.N. Prasad, Adv. Mater. 18, 1978-1982 (2006).
  19. “Control of the Morphology and Size of PbS Nanowires Using Gold Nanoparticles,” K.-T. Yong, Y. Sahoo, K.R. Choudhury, M.T. Swihart, J.R. Minter, and P.N. Prasad, Chem. Mater. 18, 5965-5972 (2006).
  20. “Light-Harvesting Chromophores with Metallated Porphyrin Cores for Tuned Photosensitization of Singlet Oxygen via Two-Photon Excited FRET,” M.A. Oar, W.R. Dichtel, J.M. Serin, J.M.J. Fréchet, J.E. Rogers, J.E. Slagle, P.A. Fleitz, L.-S. Tan, T.Y. Ohulchanskyy, and P.N. Prasad, Chem. Mater. 18(16), 3682-3692 (2006).
  21. “Photosensitizers Derived From 132-Oxo-Methyl Pyropheophorbide-a,” A. Rosenfeld, J. Morgan, L.N. Goswami, T. Ohulchanskyy, X. Zheng, P.N. Prasad, A. Oseroff, and R.K. Pandey, Photochem. Photobiol. 82(3), 626-634 (2006).
  22. In Vivo Stability and Photodynamic Efficacy of Fluorinated Bacteriopurpurinimides Derived from Bacteriochlorophyll-a,” A.L. Gryshuk, Y. Chen, W. Potter, T. Ohulchanskyy, A. Oseroff, K. Ravindar, and P.N. Prasad, J. Med. Chem. 49(6), 1874-1881 (2006).
  23. “Anisotropic Growth of PbSe Nanocrystals on Au-Fe3O4 Hybrid Nanoparticles,” W. Shi, Y. Sahoo, H. Zeng, Y. Ding, M.T. Swihart, and P.N. Prasad, Adv. Mater. 18, 1889-1894 (2006). Inside front cover. Selected in the category “Advances in Advance”.
  24. “A General Approach to Binary and Ternay Hybrid Nanocrystals,” W. Shi, H. Zeng, Y. Sahoo, T.Y. Ohulchanskyy, Y. Ding, Z.L. Wang, M.T. Swihart, and P.N. Prasad, Nano Lett. 6, 875-881 (2006). Highlighted in Science, Editor’s Choice column, Vol. 311, p. 1675.
  25. “Laser Trapping in Anisotropic Fluids and Polarization-Controlled Particle Dynamics,” I.I. Smalyukh, A.V. Kachynski, A.N. Kuzmin, and P.N. Prasad, Proc. Natl. Acad. Sci. 103, 18048-18053 (2006).
  26. “Optical Trapping, Manipulation, and 3D Imaging of Disclinations in Liquid Crystals and Measurement of their Line Tension,” I.I. Smalyukh, B.I. Senyuk, S.V. Shiyanovskii, O.D. Lavrentovich, A.N. Kuzmin, A.V. Kachynski, and P.N. Prasad, Mol. Cryst. Liq. Cryst. 450, 79/[279]-95/[295] (2006).
  27. “Degenerate Two-/Three-Photon Absorption and Optical Power-Limiting Properties in Femtosecond Regime of a Multi-Branched Chromophore,” T.-C. Lin, G.S. He, Q. Zheng, and P.N. Prasad, J. Mater. Chem. 16, 2490-2498 (2006).
  28. “Shape Control of CdS Nanocrystals in One Pot Synthesis,” K.-T. Yong, Y. Sahoo, M.T. Swihart, and P.N. Prasad, J. Phys. Chem. C 111(6), 2447-2458 (2007).
  29. “Organically Modified Silica Nanoparticles Co-Encapsulating Photosensitizing Drug and Aggregation-Enhanced Two-Photon Absorbing Fluorescent Dye Aggregates for Two-Photon Photodynamic Therapy,” S. Kim, T.Y. Ohulchanskyy, H.E. Pudavar, R.K. Pandey, and P.N. Prasad, J. Am. Chem. Soc. 129(9), 2669-2675 (2007).
  30. “A Quantum Chemical Approach to the Design of Chiral Negative Index Materials,” A. Baev, M. Samoc, P.N. Prasad, M. Krykunov, and J. Autschbach, Optics Express 15(9), 5730-5741 (2007).
  31. “Quantum Rod Bioconjugates as Targeted Probes for Confocal and Two-Photon Fluorescence Imaging of Cancer Cells,” K.-T. Yong, J. Qian, I. Roy, H.H. Lee, E.J. Bergey, K.M. Tramposch, S. He, M.T. Swihart, A. Maitra, and P.N. Prasad, Nano Lett. 7(3), 761-765 (2007).
  32. “Aggregation-Enhanced Fluorescence in Organically Modified Silica Nanoparticles: A Novel Approach toward High-Signal-Output Nanoprobes for Two-Photon Fluorescence Bioimaging,” S. Kim, H.E. Pudavar, A. Bonoiu, and P.N. Prasad, Adv. Mater. 19, 3791 (2007).
  33. “Formation of ZnTe Nanowires by Oriented Attachment,” K.-T. Yong, Y. Sahoo, Z. Hao, M.T. Swihart, J.R. Minter, and P.N. Prasad, Chem. Mater. (Commun.) 91, 4108-4110 (2007).
  34. “Optical Trapping of Director Structures and Defects in Liquid Crystals using Laser Tweezers,” I.I. Smalyukh, D. Kaputa, A.V. Kachynski, A.N. Kuzmin, and P.N. Prasad, Opt. Express 15, 4359-4371 (2007).
  35. “Phase-Sensitive Time-Modulated Surface Plasmon Resonance Polarimetry for Wide Dynamic Range Biosensing,” P.P. Markowicz, W.C. Law, A. Baev, P.N. Prasad, S. Patskovsky, and A.V. Kabashin, Opt. Express 15(4), 1745-1754 (2007).
  36. “Stimulated Rayleigh-Bragg Scattering in a Three-Photon Absorbing Medium and Its Phase-Conjugation Property,” G.S. He, Q. Zheng, and P.N. Prasad, J. Opt. Soc. Amer. 24, 1166-1177 (2007).
  37. “Saturation of Multiphoton Absorption Upon Strong and Ultrafast Infrared Laser Excitation,” G.S. He, Q. Zheng, A. Baev, and P.N. Prasad, J. Appl. Phys. 101, 083108 (2007).
  38. “Two-Photon Absorption Based Optical Limiting and Stabilization by Using a CdTe Quantum Dot Solution Excited at Optical Communication Wavelength of 1300 nm,” G.S. He, Q. Zheng, K.-T. Yong, A.I. Ryasnyanskiy, and P.N. Prasad, Appl. Phys. Lett. 90, 181108 (2007).
  39. “New Method for Delivering a Hydrophobic Drug for Photodynamic Therapy Using Pure Nanocrystal Form of the Drug,” K. Baba, H.E. Pudavar, I. Roy, T.Y. Ohulchanskyy, Y. Chen, R.K. Pandey, and P.N. Prasad, Mol. Pharm. 4(2), 289-297 (2007).
  40. “Flexible Thiopyrylium and Selenopyrilium Photosensitizers for Purging Blood-borne Pathogens and Producing Photoinitiated DNA Cleavage,” T.Y. Ohulchanskyy, M.K. Gannon, M. Ye, A. Skripchenko, S.J. Wagner, P.N. Prasad, and M.R. Detty, J. Phys. Chem. B 111(32), 9686-9692 (2007).
  41. “Imaging Pancreatic Cancer Using Surface-functionalized Quantum Dots,” J. Qian, K.-T. Yong, I. Roy, T.Y. Ohulchanskyy, E.J. Bergey, H.H. Lee, K.M. Tramposch, S. He, A. Maitra, and P.N. Prasad, J. Phys. Chem. B 111(25), 6969-6972 (2007).
  42. “Structure-Activity Relationship Among Purpurinimides and Bacteriopurpurinimides: Trifluoromethyl Substituent Enhanced the Photosensitizing Efficacy,” A. Gryshuk, Y. Chen, L. Goswami, S. Pandey, J.R. Missert, T. Ohulchanskyy, W. Potter, P.N. Prasad, A. Oseroff, and R.K. Pandey, J. Med. Chem. 50(8), 1754-1767 (2007).
  43. “Efficient Photodetection at IR Wavelengths by Incorporation of PbSe-Carbon-Nanotube Conjugates in a Polymeric Nanocomposite,” N. Cho, K.R. Choudhury, R.B. Thapa, Y. Sahoo, T. Ohulchanskyy, A. Cartwright, K.-S. Lee, and P.N. Prasad, Adv. Mater. 19(2), 232-236 (2007).
  44. “Shape Control of CdS Nanocrystals in One-Pot Synthesis,” K.-T. Yong, Y. Sahoo, M.T. Swihart, and P.N. Prasad, J. Phys. Chem. C 111(6), 2447-2458 (2007).
  45. “Gold Nanorods Coated with Multilayer Polyelectrolyte as Contrast Agents for Multimodal Imaging,” H. Ding, K.-T. Yong, I. Roy, H.E. Pudavar, W.C. Law, E.J. Bergey, and P.N. Prasad, J. Phys. Chem. C 111, 12552-12557 (2007).
  46. “Negative Refractivity Assisted Optical Power Limiting,” A. Baev, E.P. Furlani, M. Samoc, and P.N. Prasad, J. Appl. Phys. 102, 043101 (2007).
  47. “Multi-Photon Excitation Properties of CdSe Quantum Dots Solutions and Optical Limiting Behavior in Infrared Range,” G.S. He, K.-T. Yong, Q. Zheng, Y. Sahoo, A.I. Ryasnyanskiy, A. Baev, and P.N. Prasad, Optics Letters Express 15, 12818-12833 (2007).
  48. “Wide Dynamic Range Phase-Sensitive Surface Plasmon Resonance Biosensor Based on Measuring the Modulation Harmonics,” W.C. Law, P. Markowicz, K.T. Yong, I. Roy, A. Baev, S. Patskovsky, A.V. Kabashin, H.P. Ho, and P.N. Prasad, Biosensors and Bioelectronics, Vol. 23, Iss 5/15, pp. 627-632 (2007).
  49. “Intraparticle Energy Transfer and Fluorescence Photoconversion in Nanoparticles: An Optical Highlighter Nanoprobe for Two-Photon Bioimaging,” S. Kim, H. Huang, H.E. Pudavar, Y. Cui, and P.N. Prasad, Chem. Mater. Vol. 19, p. 5650 (2007).
  50. “Optical Trapping of Director Structures and Defects in Liquid Crystals using Laser Tweezers,” I.I. Smalyukh, D.S. Kaputa, A.V. Kachynski, A.N. Kuzmin, and P.N. Prasad, 2 April 2007, Vol. 15, No. 7, OPTICS EXPRESS 4359 (2007).
  51. “Coherent Anti-Stokes Raman Scattering Polarized Microscopy of Three-Dimensional Director Structures in Liquid Crystals,” A.V. Kachynski, A.N. Kuzmin, and P.N. Prasad, Appl. Phys. Lett. 91, 151905 (2007).
  52. “Water Dispersible Polymeric Structure Co-Encapsulating a Novel Hexa-Peri-Hexabenzocoronene Core Containing Chromophore with Enhanced Two-Photon Absorption and Magnetic Nanoparticles for Magnetically Guided Two-Photon Cellular Imaging,” Q. Zheng, T.Y. Ohulchanskyy, Y. Sahoo, and P.N. Prasad, J. Phys. Chem. C (in press).
  53. “Polymeric Nanocomposite Infrared Photovoltaics Enhanced by Pentacene,” P.R. Thapa, K.R. Choudhury, W.J. Kim, Y. Sahoo, A.N. Cartwright, and P.N. Prasad, Appl. Phys. Lett. (in press).
  54. “Templated Synthesis of Gold Nanorods (NRs): The Effects of Cosurfactants and Electrolytes on the Shape and Optical Properties,” K.-T. Yong, Y. Sahoo, M.T. Swihart, P.M. Schneeberger, and P.N. Prasad,” "Topics in Catalysis (special issue)" (in press).
  55. “Organically Modified Silica Nanoparticles with Covalently Incorporated Photosensitizer for Photodynamic Therapy of Cancer,” T.Y. Ohulchanskyy, I. Roy, L.N. Goswami, Y. Chen, E.J. Bergey, R.K. Pandey, A.R. Oseroff, and P.N. Prasad, Nano Lett. (in press).
  56. “CARS Microscopy of Three-Dimensional Director Structures in Thermotropic Liquid Crystals,” A.V. Kachynski, A.N. Kuzmin, P.N. Prasad, and I.I. Smalyukh, Appl. Phys. Lett. (accepted).
  57. “Multi-Photon Absorbing Materials: Molecular Designs, Syntheses, Characterizations, and Applications,” G.S. He, L.-S. Tan, Q. Zheng, and P.N. Prasad, Chem. Rev. (2007), (accepted).
  58. “Size Dependent Raman and Infrared Studies of PbSe Nanoparticles,” F.S. Manciu, Y. Sahoo, F. Carreto, and P.N. Prasad, J. Raman Spectrosc. (submitted).
  59. “Three Color Reflector Fabricated with Holographic Photopolymers,” V.K.S. Hsiao, A.N. Cartwright, P.N. Prasad, K.R. Maskaly, and E.L. Thomas, (manuscript under preparation).
  60. “Controllable One-Dimensional Photonic Bandgap (PBG) Structure Based on Photopolymer Systems,” V.K.S. Hsiao, A.N. Cartwright, P.N. Prasad, P.F. Lloyd, and T.J. Bunning, (manuscript under preparation).
[ Home | Overview | Faculty | Staff | Graduate Program | Undergraduate Program | Colloquia | Research Facilities | Chemistry Courses | About UB&WNY | Contact Us | Travel Directions | Site Map ]

This web site requies the use of a recent browser (IE 6.0 or later, Mozilla 1.7 / Firefox 1.0 or later (Netscape), Opera 7.5 or later, or Safari 1.2 or later).
If you cannot view the site or use the menus, then you need to update your browser (this normally free) or use a different browser.
Recommended screen resolution is 1024 x 760 or higher.
If you have problems, contact the webmaster