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kqy920(金币+5,VIP+0):感谢提供！ 2-17 09:54
看来这么多还是没看到El-sayed，这位前JPCB副主编，Gold NPs的开创性人物。他的工作虽然不是science，nature什么的，但是都很细腻，很实用，也很有创新。另外我不太喜欢他儿子Najib M. El-Sayed，虽然他也做了一些不错的工作，但是总体感觉还是太嫰了。
【姓 名】：MA。El-sayed
【研究方向】：纳米材料、医学
Mostafa A. El-Sayed
Julius Brown Chair and Regents Professor; Director, Laser Dynamics Laboratory
Office: 104-B (LDL)
Phone: 404-894-0292
Fax: 404-894-7452
E-mail Mostafa A. El-Sayed
Research Group Web site
B.Sc., Ain Shams U. Cairo, Egypt; Ph.D., Florida State University
The ACS Langmuir National Award in Chemical Physics - 2001; the ACS Local Section Awards: the Northeast Richards Medal; the ACS Florida Section Award, the ACS California Section Award; the Southern California Section (Tolman) Award and the Eastern Tennessee Linde Award. The 1990 King Faisal International Prize in Sciences. Dr. El-Sayed is an elected member of the U.S. National Academy of Sciences; an elected fellow of the American Academy of Arts and Science, the AAAS , and the American Physical Society. He is an associate member of the Third World Academy of Sciences.
Professor El-Sayed's research group is housed in the Laser Dynamics Laboratory (LDL). LDL (http://ldl.gatech.edu) houses the most recent lasers and laser spectroscopic equipment for time-resolved studies in the femto-to-millisecond time scale. The LDL site has a more expanded description of the research, the group and a full list of publications.
A. Nanoscience:
Synthesis and Study of the Properties of Nanomaterial of Different Shapes: The type of electronic motion in matter determines its property and applications. This motion is determined by the forces acting on the electrons, which determines the space in which they are allowed to move. One expects that if we reduce the size of material to below its naturally allowed characteristic length scale, new properties should be observed which changes by changing size or shape of the material. These new properties are different from that of the macroscopic material as well as of their building blocks (atoms or molecules). This occurs on the nanometer length scale. Our group is making and studying the properties of these nanometer materials. The properties examined are:
" Ultrafast electron-hole dynamics in semiconductor nanoparticles
" Shape control synthesis and stability of metallic nanoparticles
" The enhanced absorption and scattering processes, the electronic relaxation and photothermal properties of gold and silver nanocrystals of different shapes.
B. Nanotechnology: Potential Use of Nanoparticles in:
a) Nanomedicine: Diagnostics and Selective Photothermal Therapy of Cancer: When gold or silver nanoparticles are conjugated to cancer antibodies, the cancer cells are decorated with those nanoparticles and every cell can be detected under a simple microscope due to their "strongly" enhanced scattering properties. Furthermore, the fact that these nanoparticles absorb light strongly and this light is converted rapidly into heat allows for the destruction of cancer cells selectively at such very low laser energies not sufficient to harm the surrounding healthy cells.
b) Nano Catalysis: Shape Dependent Catalysis: Due to their large surface to volume ratio, nanoparticles are expected to be good catalysts. Since different shapes of nanoparticles made of the same material have their surface atoms arranged differently, one expects them to have different catalytic properties. In our group, we are examining the shape dependence of the catalytic properties of transition metal nanocrystals. We are also examining the shape stability of these nanoparticles in the harsh chemical environment of the catalytic reactions in colloidal solution.
c) NanoPhotonics: Modulating the Optical Properties of Gold and Silver (Plasmonic) Nanoparticles by their Coherent Lattice Motion: The strong surface plasmon absorption frequency of gold and silver nanoparticles depends on their electron density (as well as on their dielectric constant and that of its environment; their shape, size). As their lattice oscillates, the electron density changes and thus their absorption frequency (i.e., their color). Using femtosecond lasers, the electrons in these nanoparticles can be excited which rapidly heats the lattice leading to its coherent oscillations (vibrations). These can be detected by monitoring the surface plasmon absorption of the nanoparticles as a function of time after the electronic excitation.
Recent and Representative Publications
"Plasmon coupling and its universal size scaling in nanostructures of complex geometry: Elongated particle pairs and nanosphere trimers," Prashant K. Jain, Mostafa A. El-Sayed, Journal of Physical Chemistry C, 112(13), 4954-4960, (2008).
“Review of some surface plasmon resonance-enhanced properties of noble metal nanoparticles and their applications to biosystems,” Prashant K. Jain, Xiaohua Huang, Ivan H. El-Sayed, Mostafa A. El-Sayed, Invited review, Plasmonics Special Issue on Advances in Metal-Molecular interactions, 2(3), 107-118, (2007).
“Gold nanoparticles and nanorods in medicine: From cancer diagnostics to photothermal therapy,” Xiaohua Huang, Prashant K. Jain, Ivan H. El-Sayed, Mostafa A. El-Sayed, Invited Review, Nanomedicine, 2(5), 681-693, (2007).
“Reaction of Platinum Nanocatalyst with the Ferricyanide Reactant to Produce Prussian Blue Analogue Complexes,” M. A. Mahmoud, M. A. El-Sayed, Journal of Physical Chemistry C, 111(46), 17180-17183, (2007).
“Surface Plasmon Resonance Sensitivity of Metal Nanostructures: Physical Basis and Universal Scaling in Metal Nanoshells,” Prashant K. Jain and Mostafa A. El-Sayed, Journal of Physical Chemistry C, 111(47), 17451-17454, (2007).
"The effect of plasmon field on the coherent lattice phonon oscillation in electron-beam nanofabricated gold particle pairs," Wenyu Huang, Wei Qian, Prashant K. Jain, Mostafa A. El-Sayed, Nano Letters, 2007, 7(10), 3227-3234.
"Universal scaling of plasmon coupling in metal nanostructures: Extension from particle-pairs to nanoshells," Prashant K. Jain and Mostafa A. El-Sayed, Nano Letters, 7(9), 2854-2858 (2007).
"On the universal scaling behavior of the distance decay of plasmon coupling in metal nanoparticle pairs: A plasmon ruler equation," Prashant K. Jain, Wenyu Huang, and Mostafa A. El-Sayed, Nano Letters, 7(7), 2080-2088, (2007).
"Calculated absorption and scattering properties of gold nanoparticles of different size, shape, and composition: applications in biological imaging and biomedicine," Jain, Prashant K.; Lee, Kyeong Seok; El-Sayed, Ivan H.; El-Sayed, Mostafa A., J. Phys. Chem. B, 110(14), 7238-7248, (2006).
"Why gold nanoparticles are more precious than pretty gold: noble metal surface plasmon resonance and its enhancement of the radiative and nonradiative properties of nanocrystals of different shapes," Susie Eustis and Mostafa A. El-Sayed; Chem. Society Review, 35(3), 209-217, (2006).
"Ultrafast cooling of photoexcited electrons in gold nanoparticle-thiolated DNA conjugates involves the dissociation of the gold-thiol bond," Jain, Prashant K.; Qian, Wei; El-Sayed, Mostafa A., J. Am. Chem. Soc., 128(7), 2426-2433 (2006).
"Ultrafast electron relaxation dynamics in coupled metal nanoparticles in aggregates," Prashant K. Jain; Wei Qian and Mostafa A. El-Sayed, J. Phys. Chem. B, 110(1), 136-142, (2006).
"Determination of the minimum temperature required for selective photothermal destruction of cancer cells with the use of immunotargeted gold nanoparticles," Huang Xiaohua; Jain Prashant K; El-Sayed Ivan H; El-Sayed Mostafa A., Photochemistry and Photobiology, 82(2), 412-417, (2006).
"Size-dependent ultrafast electronic energy relaxation and enhanced fluorescence of copper nanoparticles," Darugar, Qusai; Qian, Wei; El-Sayed, Mostafa A.; Pileni, Marie-Paule, J. Phys. Chem. B, 110(1), 143-149, (2006).
"Cancer cell imaging and photothermal therapy in near-infrared region by using gold nanorods," Xiaohua Huang; Ivan H. El-Sayed; Wei Qian and Mostafa A. El-Sayed, J. Am. Chem. Soc.., 128, 2115-2120, (2006).
"Using silica films and powders modified with benzophenone to photoreduce silver nanoparticles," Susie Eustis, Galina Krylova, Natalie Smirnova, Anna Eremenko, Christopher Tabor, Wenyu Huang and Mostafa A. El-Sayed; Journal of Photochemistry & Photobiology, A: Chemistry, 181, 385-393, (2006).
"Catalysis with transition metal nanoparticles of different shapes," Narayanan, R.; El-Sayed, M. A., Mater. Res. Soc. Proc., Vol. 900E, 0900-010-02.1, (2006).
"Observation of optical gain in solutions of CdS quantum dots at room temperature in the blue region," Qusai Darugar, Wei Qian, and Mostafa A. El-Sayed, Applied Physics Letters, 88, 261108, (2006).
"Determination of the aspect ratio statistical distribution of gold nanorods in solution from a theoretical fit of the observed inhomogeneously broadened longitudinal plasmon resonance absorption spectrum," Susie Eustis, Mostafa A. El-Sayed, Journal of Applied Physics, 100(4), 044324/1-044324/7, (2006).
"Molecular mechanism of the photochemical generation of gold nanoparticles in ethylene glycol: support for the disproportionation mechanism," Susie Eustis and Mostafa A. El-Sayed, J. Phys. Chem. B Letters; 110, 14014-14019, (2006).
"Plasmon coupling in nanorod assemblies: optical absorption, discrete dipole approximation simulation, and exciton-coupling model," Prashant K. Jain, Susie Eustis, and Mostafa A. El-Sayed, J. Phys. Chem B 110, 18243-18253, (2006).
"Gold and silver nanoparticles in sensing and imaging: sensitivity of plasmon response to size, shape, and metal composition," Kyeong-Seok Lee and Mostafa A. El-Sayed, J. Phys. Chem. B, 110(39), 19220-19225, (2006).
"Gold nanoparticles propulsion from surface fueled by absorption of femtosecond laser pulse at their surface plasmon resonance," Wenyu Huang, Wei Qian and Mostafa A. El-Sayed, J. Am. Chem. Soc., 128(41), 13330-13331, (2006).
"Selective laser photo-thermal therapy of epithelial carcinoma using anti-egfr antibody conjugated gold nanoparticles," El-Sayed, Ivan; Huang, Xiaohua; El-Sayed, Mostafa A., , Cancer Letters, 2005 (available online Sept 28).
"Surface plasmon resonance scattering and absorptin of anti-EGFR antibody conjugated gold nanoparticles in cancer diagnostics: applications in oral cancer," I.H. El-Sayed; X.H Huang; M.A. El-Sayed, Nano Letts, 5 (5), 829-834, (2005).
"Simulation of the optical absorption spectra of gold nanorods as a function of their aspect ratio and the effect of the medium dielectric constant," (vol 103B, pg 3073, 1999), S. Link; M.A. El-Sayed; M.B. Mohamed, J. Phys. Chem. B, 109, (20), 10531-10532, (2005).
"The chemistry and properties of nanocrystals of different shapes," Burda, C.; Chen, X.; Narayanan, R.; El-Sayed, M.A., Chem. Rev. 105, (4), 1025-1102, (2005). Invited Review Article.
"FTIR study of the mode of binding of the reactants on the Pd nanoparticle surface during the catalysis of the suzuki reaction," Radha Narayanan; Mostafa A. El-Sayed, J. Phys. Che
"Immunotargeted nanoshells for integrated cancer imaging and therapy," Ivan H. El-Sayed, Xiaohua Huang, Mostafa A. El-Sayed, (2005) in press.
"Transition from nanoparticle to molecular behavior: a femtosecond transient absorption study of a size-selected 28 atom gold cluster," Stephan Link, Mostafa A. El-Sayed, T. Gregory Schaaff, Robert L. Whetten, Chemical Physics Letters, 356, 240-246, (2002)..
"Observation of large changes in the band gap absorption energy of small cdse nanoparticles induced by the adsorption of a strong hole acceptor," C. Landes, M. Braun, C. Burda, and M. A. El-Sayed, NanoLetters, 1 (11), 667-670, (2001).
"The relaxation dynamics of the excited electronic states of retinal in bacteriorhodopsin by two-pump-probe femtosecond studies," S. L. Logunov, V. V. Volkov, Markus Braun, and M. A. El-Sayed, Proc. Natl. Acad. Sci. USA, 98 (15), 8475 - 8479, (2001).
"Some interesting properties of metals confined in time and nanometer space of different shapes," Mostafa A. El-Sayed, Acc. Chem. Research, 34, (4), 257-264, (2001).
"How does a gold nanorod melt?," Stephan Link, Zhong L. Wang, and Mostafa A. El-Sayed, J. Phys. Chem. B, 104 (33), 7867-7870, (2000).
"Shape and size dependence of radiative, non-radiative and photothermal properties of gold nanocrystals," Stephan Link and Mostafa A. El-Sayed, Int. Reviews in Physical Chemistry, 19 (3), 409-453, (2000).
"Suzuki cross-coupling reactions catalyzed by palladium nanoparticles," Yin Li, Xiaoyong M. Hong, David M. Collard, and Mostafa A. El-Sayed, Organic Letters, 2 (15), 2385-2388, (2000).
"Laser-induced shape changes of colloidal gold nanorods using femtosecond and nanosecond laser pulses," S. Link, C. Burda, B. Nikoobakht, and M. A. El-Sayed, J. Phys. Chem. B, 104, (26), 6152-6163, (2000).
"The 'lightning' gold nanorods: fluorescence enhancement of over a million compared to the gold metal," Mona B. Mohamed, Victor Volkov, Stephan Link, Mostafa A. El-Sayed, Chem. Phys. Lett., 317, 517-523, (2000).
"How long does it take to melt a gold nanorod? A femtosecond pump-probe absorption spectroscopic study," S. Link, C. Burda, B. Nikoobakht, M. A. El-Sayed, Chemical Physics Letters, 315, 12-18, (1999).
"Spectral properties and relaxation dynamics of surface plasmon electronic oscillations in gold and silver nanodots and nanorods," Stephan Link and Mostafa A. El-Sayed, J. Phys. Chem. B, 103 (40), 8410-8426. (1999). (Feature Article)
"Electron dynamics in gold and gold-silver alloy nanoparticles: The influence of a nonequilibrium electron distribution and the size dependence of the electron-phonon relaxation," S. Link, C. Burda, Z. L. Wang, and M. A. El-Sayed, J. Chem. Physics, 111, (3) 1255-1264, (1999).
"Temperature jump induced secondary structural changes of the membrane protein Bacteriorhodopsin in the premelting temperature region: a nanosecond time-resolved FTIR study," Jianping Wang and Mostafa A. El-Sayed, Biophysical J, 76 (5), 2777-2783, (1999).
"Electron shuttling across the interface of cdse nanoparticles monitored by femtosecond laser spectroscopy," C. Burda, T. C. Green, S. Link, and M. A. El-Sayed, J. Phys. Chem. B, 103 (11), 1783-1788, (1999). |
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