I.                   Research, Scholarly and Creative Activities (total 95)

 

a.         Recent Publications (last four years)

 

1.                  Highly Selective detection of Hg2+ ion using NLO properties of gold nanomaterial, Darbha, G. K., Rai, U. S., Singh, A. K., H. Yu, Ray, P. C., J. Am. Chem. Soc., 2008,130, 8038-8042.

 

2.                  Gold Nanorod Based Sensing of Sequence Specific HIV-1 Virus DNA using Hyper Rayleigh Scattering Spectroscopy, Darbha, G. K., Rai, U. S., Singh, A. K., Ray, P. C., Chem. Eur. J., 2008, 14, 3896-3903.

 

3.                  Gold Nanoparticle Based NSET For Monitoring Mg2+ Dependent RNA Folding Griffin, J.; Ray, P. C., J. Phys. Chem. B.; (Letter); 2008; 112, 11198-11201.

4.                  Miniaturized NSET Sensor for Microbial Pathogens DNA and Chemical Toxins, Darbha, G K, LE, Glenn, E, Anderson, Y R, Preston F, Mitchell K, Ray P. C., IEEE Sensor Journal, 2008, 8, 693-701.

5.                  Gold Nanomaterial Based Surface-Enhanced Fluorescence Assay For Detection of Organophosphorus Agents, Samuel S. R. Dasary, Uma S. Rai, Hongtao Yu, Yerramilli Anjaneyulu, Madan Dubey1 and Paresh Chandra Ray, Chem. Phys. Lett. 2008, 460, 187-190.

6.                  Challenge in Understanding Size and Shape Dependent Toxicity of Gold Nanomaterials in Human Skin Keratinocytes, Shuguang Wang, Wentong Lu, Oleg Tovmachenko, Uma Shanker Rai, Hongtao Yu and Paresh Chandra Ray, Chem. Phys. Lett. 2008, 463, 145.

7.                  Influence of Central Metal Ions on Nonlinear Optical and Two-Photon Absorption Properties of Push-Pull Transition Metal Porphyrins, Paresh C Ray and P. Bonafasi, J. Phys. Chem. A., 2008, 112; 2870-2879.

8.                  Understanding the High Energetic Behavior of Nano-Energetic Porous Silicon, Wayne Churaman, Luke Currano, Anant Kumar Singh , Uma Shankar Rai , Madan Dubey , Paul Amirtharaj  and Paresh Chandra Ray, Chem. Phys. Lett. 2008 (ASAP Article).

9.                  Gold-nanoparticle-based miniaturized FRET Probe for rapid and ultra-sensitive detection of mercury in soil, water and fish, G. K. Darbha, A. Ray and P. C. Ray, ACS Nano, 2007, 3, 208-214. http://www.acsnanotation.org/Multimedia/NanoTube/tabid/119/Default.aspx

10.  Non-resonance SERS effects of silver colloids with different shapes, Vidhu S. Tiwari, Tovmachenko Oleg, Gopala K. Darbha, William Hardy, Jagdish. P. Singh and Ray, Paresh, C., Chemical Physics Letters, 2007, 446, 77-82.

11.  Gold Nanoparticle Based FRET for DNA Detection, Ray, Paresh, C., Gopala, K. Darbha, Ray, Anandhi, Walker, Joshua, Hardy, William and Alfred Perryman, Plasmonics, 2007, 2, 173.

12. Gold Nanoparticle Based FRET Probe for Multiplexed Hybridization Detection: Accurate identification of Bio-agents DNA, Ray, Paresh, C., Gopala K. Darbha, Anandhi Ray, William Hardy and Joshua Walker, Nanotechnology, 2007, 18, 375504, this article has been highlighted in nanotech web, http://nanotechweb.org/articles/journal/6/8/6/1

13.  Near Infrared Photo-Induced DNA Damage in the Presence of Copper-dppz Complex: Evidence for the Involvement of Singlet Oxygen, Angela Fortner, Shuguang Wang, Gopala Krishna Darbha, Anandhi Ray, Hongtao Yu and Ray, Paresh, C., Rajamohan R. Kalluru, Chan Kyu Kim, Vinita Rai and Jagdish P. Singh, Chem. Phys. Lett.  2007, 434, 12.

14. Label-Free Diagnostics of single base-mismatch DNA hybridization on Gold Nano-particles using hyper-Rayleigh scattering technique, Ray, Paresh, C., Angew. Chem. Int. Ed. 2006, 45,1151.

15. Gold Nanoparticle Based FRET Asssay for the Detection of DNA Cleavage, Ray, Paresh, C., Angela Fortner and Gopala K. Darbha, J. Phys. Chem. B, 2006, 110, 20745. this article has been highlighted in National Science Foundation (NSF) Web Page., http://www.mrsec.org/prem/highlights/2007/03/gold_nanoparticle_based_fret_a.html

16.  Very Large Infrared two Photon Absorption Cross Section of Asymmetric Zinc Porphyrin Aggregates: Role of Intermolecular Interaction and Donor-Acceptor Strengths, Ray, Paresh, C., Zuhail Sainudeen, J. Phys. Chem. A, 2006, 110, 12342. this article has been highlighted in National Science Foundation (NSF) Web Page., http://www.mrsec.org/prem/highlights/2007/03/very_large_infrared_twophoton.html

17.  Gold Nanoparticle Based Miniaturized Laser Induced Fluorescence Probe for Specific DNA Hybridization Detection: Studies on Size Dependent Optical Properties, Chan Kyu Kim, Rajamohan R. Kalluru, Jagdish P. Singh, Angela Fortner, Jelani Griffin, Gopala K. Darbha, Ray, Paresh, C., Nanotechnology. 2006, 17, 3085.( this article has been highlighted in nanotech web., http://nanotechweb.org/articles/journal/5/6/1/1

18. Role of Inert Gas in Low-Temperature Nano-diamond Chemical Vapor Deposition Process, Ray, Paresh, C., and Jelani Griffin, Nanotechnology, 2006, 17, 1225.

19. Effect of central metal ions on first hyperpolarizability of unsymmetrical metal porphyrin, Bonifassi, P.; Ray, Paresh C.; Leszczynski, Jerzy, Chem. Phys. Lett.  2006, 431, 321.

20. Nonlinear optical properties of highly conjugated push-pull porphyrin aggregates: Role of intermolecular interaction, Ray, Paresh, C., and Jerzy Leszczynski, Chem. Phys. Lett. 2006, 419, 578.

21. Effect of Conjugation Path Length on Quadratic Nonlinear Optical Properties of Monomer and Aggregates of Zwitterionic Merocyanine Dyes, Ray, Paresh, C., P. Bonifassi,  and  Jerzy Leszczynski, J. Phys. Chem. A, 2006, 110, 8963.

22. Laser Induced Fluorescence Quenching of Tagged Oligonucleotides Probes by Gold Nanoparticles, Ray, Paresh, C., Angela Fortner, Jelani Griffin, C. Kim, Jagdish P. Singh and Hongtao Yu, Chem. Phys. Lett. 2005, 414, 259.

23. Spectroscopic study of unique line broadening and inversion in low-pressure microwave generated water plasmas, Mills, R. L.; Ray, Paresh, C.,; Mayo, R. M.; Nansteel, M.; Dhandapani, B.; Phillips, J, J. Plasma Phys., 2005, 71, 877.

24. Two-Photon Absorption and First Nonlinear Optical Properties of Ionic Octupolar Molecules: Structure-Function Relationships and Solvent Effects, Ray, Paresh, C., and Jerzy Leszczynski, J. Phys. Chem. A. 2005, 109, 6689.

25. Nonlinear Optical Properties of Zwitterionic Merocyanine Aggregates: Role of Intermolecular Interaction and Solvent Polarity, Zuhail Sainudeen and Ray, Paresh, C., J Phys. Chem. A. 2005, 109, 9095.

26. Nonlinear optical properties of ionic NLO chromophores: An attempt to bridge the gap between computation and experiment. Zuhail Sainudeen, Ray, Paresh, C., Inter. J. Quant. Chem. 2005, 1054, 348.

27. Role of atomic hydrogen density and energy in low power chemical vapor deposition synthesis of diamond films, R. Mills, J. Sankar, B. Dhandapani, Ray, Paresh, C., and J. He, Thin Solid Films, 2005, 478, 77.

28. Structure and nonlinear optical properties of the HMT-CDA 1:1 adduct: Experimental and DFT approach, R. Venkatraman, Ray, Paresh, C., and Jagdish. P. Singh, F. R. Fronczek, Inter. J. Quant. Chem., 2005, 105, 446.

29. Stationary inverted Lyman population and a very stable novel hydride formed by a catalytic reaction of atomic hydrogen and certain catalysts, Mills, R.; Ray, Paresh, C., Opt. Mater. 2004, 27, 181.

30. Remarkable solvent effects on first hyperpolarizabilities of zwitterionic merocyanine dyes: ab initio TD-DFT/PCM approach, Ray, Paresh, C., Chem. Phys. Lett. 2004, 395, 269.

31. The effects of p-conjugation on first hyperpolarizability of charged NLO chromophores, Ray, Paresh, C., Chem. Phys. Lett., 2004, 394, 354.

32.First Hyperpolarizabilities of Ionic Octupolar Molecules: Structure-Functional Relationship and solvent effects, Ray, Paresh, C., and Jerzy Leszczynski, Chem. Phys. Lett. 2004, 399, 162.

33. The tetrachlorodiphenylstannate(IV) salt of protonated di-pyridyl Ketons N-Ethylthiosemicarbazone, R. Venkatraman, Ray, Paresh, C., and F. R. Fronczek, Acta Crystallographic C, E60 2004 m1035-m1037.

34. Self-assembly structure of levulinic acid-melamine lattice, R. Venkatraman, Ray, Paresh, C., and C. Soo Choi, Int. J. Quant. Chem. 2004, 100, 758.

35. Synthesis of HDLC films from solid carbon, R. Mills, Ray, Paresh, C., J. Sankar, A. Voigt, B. Dhandapani and J. He, J. Mater.  Sci.  2004, 39, 3309.

 

      b.         Peer-reviewed Review and Book Chapter publications (4)

 

1. Recent Progress in Molecular Design of Ionic Second-Order Nonlinear Optical Materials, Chapter 13th, Non-Linear Optical Properties of Matter From Molecules to Condensed Phases, Springer Netherlands, 2006.

 

2.  Gold Nanoparticle Based FRET for DNA Detection, P C Ray, G K Darbha, A. Ray, J. Walker, W. Hardy and A. Perryman, Plasmonics, 2007, 2, 173.

 

3.   “NSET sensor for biological agent detection”, Book publication based on ACS symposium series "Nanoscience and Nanotechnology for Chembio Defense”, published by ACS.
 
4. “Spherical & Anisotropic Metallic Nanomaterials-based NSET Biosensors”, published by Wiley-VCH 2008-2009. Book Title “Nanotechnology for Life Sciences”