Igor Yu. Sokolov

 

Professor Physics 204 Science Center Clarkson University PO Box 5820 Potsdam, NY 13699-5820 Phone: 315-268-2375 Fax: 315-268-6610 E-mail: isokolov@clarkson.edu Research Website

Educational Background:
Ph.D., Physics, D.I. Mendeleev Institute of Metrology, St.Petersburg, Russia, 1991
M.Sc., Physics with honor, St.Petersburg State University, Russia, 1984

Related Facilities:

• Atomic Force and Scanning Tunneling Microscopy
• Lab: Multimode and Dimension 3100 NanoScopes IIIa from Digital Instruments (Santa Barbara, CA) with a fluid cell tip holder, phase extender, low current STM extension, etc.
• Polarm-L 213-TR a state-of-the-art polarizing optical microscope with working magnification up to 1600x, super-bright illumination system, capable of both orthoscopic and conoscopic studies of transparent birefringent samples. Has ability to image with phase contrast, dark-field, brightfield, and dispersion staining (central and angular).
  
  

Conducted Research:

• A new experimental method of attaining true atomic resolution in the AFM (EDL technique)
• Study of crystals with true atomic resolution by AFM
• Discovery of the contrast mechanism of AFM while imaging with atomic resolution in UHV
• Highest resolution on bio-surfaces in situ by AFM method, bio-tribology
• First "nano-surgery" of a bacterium with Atomic Force Microscope
• Liquid crystal stage in the formation of mesoporous shapes
• Explanation of creation of mesoporous helicoids
• A new method of calculation of van der Waals forces between nano-clusters
• New restrictions on the hypothetical "fifth" force from force measurement data
• A special numerical method for theoretical simulation of AFM images
• Direct AFM observation of growth of self-organized (liquid crystal) micellar film in real time
• Study of charges on surface of Gram-negative bacteria in-vivo.
• Prediction and theoretical proof of a spectroscopic mode in force microscopy
  
  

Memberships:

• American Physical Society; Chapter Adviser of local SPS and Sigma Pi Sigma
• American Chemical Society
• American Vacuum Society
  
  

Honors:

• Awards of D.I. Mendeleev Institute for the best young researcher of year, 1985,1986, 1987
• E.L.Ginzton International Fellowship Award from Stanford University, 1992-1994 n German Science Foundation Award, 1991
• INFN (Italian Science Foundation) Award 1992 Erice Workshop
• Award from National Institute of Metals, Tsukuba, Japan, 1996
  
  

Patents:
A. Semenov, I. Sokolov, and L. E. Marin “Title of the Invention: Sol-gel coating of precoated and non-precoated fibers, ” pending 2006.

I. Sokolov, “A novel method of studying fast dynamical mechanical response of soft materials with the atomic force microscopy method,” pending 2006.

I. Sokolov, A. Semenov, and L. E. Marin, “Sol-gel coating of precoated and non-precoated fibers, ” pending 2006.

I. Sokolov, S. Iyer, and Craig Woodworth, “Use of fluorescent silica beads to identify cervical tumor cells,” approved as pending in June 2005.

I. Sokolov and Ya. Kievsky, “Self-Assembly of Nanoporous Silica Fibers of Uniform Shape,” approved as pending in Dec.2004 US60/631,224 (Full patent filed in Nov.2005).

I. Sokolov and Craig Woodworth, “Novel use of cytotoxic drugs for treatment and prophylaxis of aging diseases by reversing the loss of elasticity of epithelial cells due to aging,” approved as pending in Aug.2004 us60/579,165 (full patent filed in Aug.2005)

Selected Publications:
2006
S.Iyer, Ya. Kievesky, and I. Sokolov, "Fluorescent Silica Colloids for Study and Visualization of Skin Care Products” Skin Research and Technology, in press.

Igor Sokolov, Swaminathan Iyer, and Craig D. Woodworth, “Recover of Elasticity of Aged Human Epithelial Cells In-Vitro”, Nanomedicine:Nanotechnology, Biology, and Medicine ( May 2006).

Igor Sokolov, Venkatesh Subba-Rao, and Linda A. Luck, “Change in Rigidity in the Activated Form of the Glucose/ Galactose Receptor from E-coli: A Phenomenon That Will Be Key to the Development of Biosensors,” Biophysical Journal (Feb. 2006).

R.Sheparovych, Y.Sahoo, M. Motornov, Shumin Wang, H. Luo, P.N. Prasad, I. Sokolov, and S.Minko, “Polyelectrolyte stabilized nanowires from Fe3O4 nanoparticles via magnetic field induced self-assembly,” Chemistry ofMaterials, in press.

I. Sokolov, “ A self-assembled nanoporous magnetic sensor,” HAIT Journalof Science and Engineering, Volume 2, Issue 3, in press.

2005
Sokolov, I. and Y. Kievsky, “3D Design of Self-Assembled Nanoporous Colloids,” Studies in Surface Science and Catalysis, v. 156, 433-443 (2005).

Sokolov, I., “Copper CMP Mimicked with Atomic Force Microscopy,” ASME Proceedings World Tribology Congress III, WTC2005-64018 (2005).

Sokolov, I., Q.K. Ong, N. Chechik, and D. James, “On Direct Measurement of Forces Between CMP Polishing Pads and Abrasive Nanoparticles,” ASME ProceedingsWorld Tribology Congress III, WTC2005-64160 (2005).

Ya. Kievsky and I. Sokolov, “Self-Assembly of Uniform Nanoporous Silica Fibers,” IEEE Transactions on Nanotechnology, v.4 (5), 490-494 (2005).

Berdyyeva, T., C.D. Woodworth, and I. Sokolov, “Visualization of cytoskeletal elements by the atomic force microscope,”Ultramicroscopy,102(3), 189-198 (2005).

Berdyyeva, T.K., C.D. Woodworth, and I. Sokolov, “Human epithelial cells increase their rigidity with ageing in vitro: direct measurements,” Physics inMedicine and Biology, 50(1), 81-92 (2005).

S. Iyer, Y. Kievesky, C. Woodworth and I. Sokolov, “Fluorescent Silica Beads for Detection of Cervical Cancer,” Proceedings of the 2005 Nanotechnology Conference Nanotech 2005, Volume 1, 210-213 (2005).

I. Sokolov and C.D. Woodworth, “Loss of Elasticity of Ageing Epithelial Cells, and Its Possible Reversal,” Proceedings of the 2005 NanotechnologyConference Nanotech 2005, Volume 1, 63-66 (2005).

Y. Kievesky and I. Sokolov, “Self-Assembly of Fluorescent Silica (glass) Beads,” Proceedings of the 2005 Nanotechnology Conference, Nanotech 2005, Volume 1, 214-215 (2005).

Q.K. Ong, I. Sokolov, N. Chechik, and D. James, “AFM Study of Forces between Polyurethane Pads and Ceria Nanoparticles,” Pol. Mater.: Sci. & Eng., 92, 100-101 (2005).