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Mostafa El-Sayed

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Mahmoud A Mahmoud; Mostafa A El-Sayed
Substrate effect on the plasmonic sensing ability of hollow nanoparticles of different shapes.
Sajanlal R Panikkanvalappil; Megan A Mackey; Mostafa A El-Sayed
Probing the unique dehydration-induced structural modifications in cancer cell DNA using surface enhanced Raman spectroscopy.
Lauren A Austin; Bin Kang; Mostafa A El-Sayed
A new nanotechnology technique for determining drug efficacy using targeted plasmonically enhanced single cell imaging spectroscopy.

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All Publications

2013: Mahmoud A Mahmoud; Mostafa A El-Sayed
Substrate effect on the plasmonic sensing ability of hollow nanoparticles of different shapes.
The journal of physical chemistry. B 2013;117(16):4468-77.
2013: Sajanlal R Panikkanvalappil; Megan A Mackey; Mostafa A El-Sayed
Probing the unique dehydration-induced structural modifications in cancer cell DNA using surface enhanced Raman spectroscopy.
Journal of the American Chemical Society 2013;135(12):4815-21.
2013: Lauren A Austin; Bin Kang; Mostafa A El-Sayed
A new nanotechnology technique for determining drug efficacy using targeted plasmonically enhanced single cell imaging spectroscopy.
Journal of the American Chemical Society 2013;135(12):4688-91.
2012: Erik C Dreaden; Mostafa A El-Sayed
Detecting and destroying cancer cells in more than one way with noble metals and different confinement properties on the nanoscale.
Accounts of chemical research 2012;45(11):1854-65.
2012: Bin Kang; Lauren A Austin; Mostafa A El-Sayed
Real-time molecular imaging throughout the entire cell cycle by targeted plasmonic-enhanced Rayleigh/Raman spectroscopy.
Nano letters 2012;12(10):5369-75.
2012: Erik C Dreaden; Matthew J Kieffer; Sandra C Mwakwari; Adegboyega K Oyelere; Lauren A Austin; Mostafa A El-Sayed
Small molecule-gold nanorod conjugates selectively target and induce macrophage cytotoxicity towards breast cancer cells.
Small (Weinheim an der Bergstrasse, Germany) 2012;8(18):2819-22.
2012: Erik C Dreaden; Lauren A Austin; Berkley E Gryder; Steven C Hayden; Adegboyega K Oyelere; Min Pi; L Darryl Quarles; Brice A Tene Defo; Mostafa A El-Sayed
Antiandrogen gold nanoparticles dual-target and overcome treatment resistance in hormone-insensitive prostate cancer cells.
Bioconjugate chemistry 2012;23(8):1507-12.
2012: Moustafa R K Ali; Brian Snyder; Mostafa A El-Sayed
Synthesis and optical properties of small Au nanorods using a seedless growth technique.
Langmuir : the ACS journal of surfaces and colloids 2012;28(25):9807-15.
2012: Xiaxi Li; Mingfei Liu; Mahmoud A Mahmoud; Kevin Blinn; Lawrence A Bottomley; Shuang Cheng; Mostafa A El-Sayed; Yingcui Fang; Meilin Liu
Application of surface enhanced Raman spectroscopy to the study of SOFC electrode surfaces.
Physical chemistry chemical physics : PCCP 2012;14(17):5919-23.
2012: Steven C Hayden; Xiaoning Li; Oscar R Miranda; Ronnie L Phillips; Vincent M Rotello; Krishnendu Saha; Ingeborg Schmidt-Krey; Gengxiang Zhao; Mostafa A El-Sayed; Uwe H F Bunz
Aggregation and interaction of cationic nanoparticles on bacterial surfaces.
Journal of the American Chemical Society 2012;134(16):6920-3.
2012: Rachel Near; Ruth Pachter; Christopher Tabor; Jinsong Duan; Mostafa A El-Sayed
Pronounced effects of anisotropy on plasmonic properties of nanorings fabricated by electron beam lithography.
Nano letters 2012;12(4):2158-64.
2012: Mahmoud A Mahmoud; Ali Adibi; Maysamreza Chamanzar; Mostafa A El-Sayed
Effect of the dielectric constant of the surrounding medium and the substrate on the surface plasmon resonance spectrum and sensitivity factors of highly symmetric systems: silver nanocubes.
Journal of the American Chemical Society 2012;134(14):6434-42.
2012: Erik C Dreaden; Xiaohua Huang; Catherine J Murphy; Alaaldin M Alkilany; Mostafa A El-Sayed
The golden age: gold nanoparticles for biomedicine.
Chemical Society reviews 2012;41(7):2740-79.
2012: Erik C Dreaden; Lauren A Austin; Megan A Mackey; Mostafa A El-Sayed
Size matters: gold nanoparticles in targeted cancer drug delivery.
Therapeutic delivery 2012;3(4):457-78.
2012: M A Mahmoud; Mostafa A El-Sayed
Metallic double shell hollow nanocages: the challenges of their synthetic techniques.
Langmuir : the ACS journal of surfaces and colloids 2012;28(9):4051-9.
2011: Lauren A Austin; Bin Kang; Chun-Wan Yen; Mostafa A El-Sayed
Nuclear targeted silver nanospheres perturb the cancer cell cycle differently than those of nanogold.
Bioconjugate chemistry 2011;22(11):2324-31.
2011: Lauren A Austin; Bin Kang; Chun-Wan Yen; Mostafa A El-Sayed
Plasmonic imaging of human oral cancer cell communities during programmed cell death by nuclear-targeting silver nanoparticles.
Journal of the American Chemical Society 2011;133(44):17594-7.
2011: Chun-Wan Yen; Erik C Dreaden; Steven C Hayden; Paul Szymanski; Mostafa A El-Sayed
Tailoring plasmonic and electrostatic field effects to maximize solar energy conversion by bacteriorhodopsin, the other natural photosynthetic system.
Nano letters 2011;11(9):3821-6.
2011: Mahmoud A Mahmoud; Wei Qian; Mostafa A El-Sayed
Following charge separation on the nanoscale in Cu₂O-Au nanoframe hollow nanoparticles.
Nano letters 2011;11(8):3285-9.
2011: Erik C Dreaden; Xiaohua Huang; Bin Kang; Megan A Mackey; Mostafa A El-Sayed
Beating cancer in multiple ways using nanogold.
Chemical Society reviews 2011;40(7):3391-404.
2011: Abhiruchi Agarwal; Mostafa A El-Sayed; Megan A Mackey; Ravi V Bellamkonda
Remote triggered release of doxorubicin in tumors by synergistic application of thermosensitive liposomes and gold nanorods.
ACS nano 2011;5(6):4919-26.
2011: Nageh K Allam; Adam J Poncheri; Mostafa A El-Sayed
Vertically oriented Ti-Pd mixed oxynitride nanotube arrays for enhanced photoelectrochemical water splitting.
ACS nano 2011;5(6):5056-66.
2011: M A Mahmoud; Mostafa A El-Sayed
Time dependence and signs of the shift of the surface plasmon resonance frequency in nanocages elucidate the nanocatalysis mechanism in hollow nanoparticles.
Nano letters 2011;11(3):946-53.
2010: Xiaohua Huang; Xianghong Peng; Yiqing Wang; Yuxiang Wang; Dong M Shin; Mostafa A El-Sayed; Shuming Nie
A reexamination of active and passive tumor targeting by using rod-shaped gold nanocrystals and covalently conjugated peptide ligands.
ACS nano 2010;4(10):5887-96.
2010: Nageh K Allam; Faisal Alamgir; Mostafa A El-Sayed
Enhanced photoassisted water electrolysis using vertically oriented anodically fabricated Ti-Nb-Zr-O mixed oxide nanotube arrays.
ACS nano 2010;4(10):5819-26.
2010: Steven C Hayden; Nageh K Allam; Mostafa A El-Sayed
TiO2 nanotube/CdS hybrid electrodes: extraordinary enhancement in the inactivation of Escherichia coli.
Journal of the American Chemical Society 2010;132(41):14406-8.
2010: Li-Kang Chu; Chun-Wan Yen; Mostafa A El-Sayed
Bacteriorhodopsin-based photo-electrochemical cell.
Biosensors & bioelectronics 2010;26(2):620-6.
2010: Mahmoud A Mahmoud; Mostafa A El-Sayed
Gold nanoframes: very high surface plasmon fields and excellent near-infrared sensors.
Journal of the American Chemical Society 2010;132(36):12704-10.
2010: M A Mahmoud; F Saira; Mostafa A El-Sayed
Experimental evidence for the nanocage effect in catalysis with hollow nanoparticles.
Nano letters 2010;10(9):3764-9.
2010: Xiaohua Huang; Bin Kang; Wei Qian; Megan A Mackey; Po-Chih Chen; Adegboyega K Oyelere; Ivan H El-Sayed; Mostafa A El-Sayed
Comparative study of photothermolysis of cancer cells with nuclear-targeted or cytoplasm-targeted gold nanospheres: continuous wave or pulsed lasers.
Journal of biomedical optics 2010;15(5):058002.
2010: Prerona Chakravarty; Wei Qian; Mostafa A El-Sayed; Mark R Prausnitz
Delivery of molecules into cells using carbon nanoparticles activated by femtosecond laser pulses.
Nature nanotechnology 2010;5(8):607-11.
2010: Wei Qian; Xiaohua Huang; Bin Kang; Mostafa A El-Sayed
Dark-field light scattering imaging of living cancer cell component from birth through division using bioconjugated gold nanoprobes.
Journal of biomedical optics 2010;15(4):046025.
2010: Chun-Wan Yen; Li-Kang Chu; Mostafa A El-Sayed
Plasmonic field enhancement of the bacteriorhodopsin photocurrent during its proton pump photocycle.
Journal of the American Chemical Society 2010;132(21):7250-1.
2010: Mahmoud A Mahmoud; Adam J Poncheri; Ronnie L Phillips; Mostafa A El-Sayed
Plasmonic field enhancement of the exciton-exciton annihilation process in a poly(p-phenyleneethynylene) fluorescent polymer by Ag nanocubes.
Journal of the American Chemical Society 2010;132(8):2633-41.
2010: Li-Kang Chu; Mostafa A El-Sayed
Kinetics of the M-intermediate in the photocycle of bacteriorhodopsin upon chemical modification with surfactants.
Photochemistry and photobiology 2010;86(2):316-23.
2010: Bin Kang; Megan A Mackey; Mostafa A El-Sayed
Nuclear targeting of gold nanoparticles in cancer cells induces DNA damage, causing cytokinesis arrest and apoptosis.
Journal of the American Chemical Society 2010;132(5):1517-9.
2010: Xiaohua Huang; Ivan H El-Sayed; Mostafa A El-Sayed
Applications of gold nanorods for cancer imaging and photothermal therapy.
Methods in molecular biology (Clifton, N.J.) 2010;624():343-57.
2010: Li-Kang Chu; Mostafa A El-Sayed
Bacteriorhodopsin O-state photocycle kinetics: a surfactant study.
Photochemistry and photobiology 2010;86(1):70-6.
2009: Erik C Dreaden; Sandra C Mwakwari; Quaovi H Sodji; Adegboyega K Oyelere; Mostafa A El-Sayed
Tamoxifen-poly(ethylene glycol)-thiol gold nanoparticle conjugates: enhanced potency and selective delivery for breast cancer treatment.
Bioconjugate chemistry 2009;20(12):2247-53.
2009: Christopher Tabor; Desiree Van Haute; Mostafa A El-Sayed
Effect of orientation on plasmonic coupling between gold nanorods.
ACS nano 2009;3(11):3670-8.
2009: Svetlana Neretina; Erik C Dreaden; Wei Qian; Mostafa A El-Sayed; Robert A Hughes; John S Preston; Peter Mascher
The dependence of the plasmon field induced nonradiative electronic relaxation mechanisms on the gold shell thickness in vertically aligned CdTe-Au core-shell nanorods.
Nano letters 2009;9(11):3772-9.
2009: M A Mahmoud; Mostafa A El-Sayed
Aggregation of gold nanoframes reduces, rather than enhances, SERS efficiency due to the trade-off of the inter- and intraparticle plasmonic fields.
Nano letters 2009;9(8):3025-31.
2009: C W Yen; M A Mahmoud; Mostafa A El-Sayed
Photocatalysis in gold nanocage nanoreactors.
The journal of physical chemistry. A 2009;113(16):4340-5.
2009: Jianping Wang; Mostafa A El-Sayed
Rapid thermal tuning of chromophore structure in membrane protein.
The journal of physical chemistry. B 2009;113(13):4184-6.
2009: Christopher Tabor; Raghunath Murali; Mahmoud Mahmoud; Mostafa A El-Sayed
On the use of plasmonic nanoparticle pairs as a plasmon ruler: the dependence of the near-field dipole plasmon coupling on nanoparticle size and shape.
The journal of physical chemistry. A 2009;113(10):1946-53.
2009: Svetlana Neretina; Wei Qian; Erik C Dreaden; Mostafa A El-Sayed; Robert A Hughes; John S Preston; Peter Mascher
Exciton lifetime tuning by changing the plasmon field orientation with respect to the exciton transition moment direction: CdTe-Au core-shell nanorods.
Nano letters 2009;9(3):1242-8.
2009: Arianna Biesso; Wei Qian; Xiaohua Huang; Mostafa A El-Sayed
Gold nanoparticles surface plasmon field effects on the proton pump process of the bacteriorhodopsin photosynthesis.
Journal of the American Chemical Society 2009;131(7):2442-3.
2008: Prashant K Jain; Mostafa A El-Sayed
Noble metal nanoparticle pairs: effect of medium for enhanced nanosensing.
Nano letters 2008;8(12):4347-52.
2008: Prashant K Jain; Xiaohua Huang; Ivan H El-Sayed; Mostafa A El-Sayed
Noble metals on the nanoscale: optical and photothermal properties and some applications in imaging, sensing, biology, and medicine.
Accounts of chemical research 2008;41(12):1578-86.
2008: Erin B Dickerson; Erik C Dreaden; Xiaohua Huang; Ivan H El-Sayed; Hunghao Chu; Sujatha Pushpanketh; John F McDonald; Mostafa A El-Sayed
Gold nanorod assisted near-infrared plasmonic photothermal therapy (PPTT) of squamous cell carcinoma in mice.
Cancer letters 2008;269(1):57-66.
2008: Svetlana Neretina; Wei Qian; Erik Dreaden; Mostafa A El-Sayed; Robert A Hughes; John S Preston; Peter Mascher
Plasmon field effects on the nonradiative relaxation of hot electrons in an electronically quantized system: CdTe-Au core-shell nanowires.
Nano letters 2008;8(8):2410-8.
2008: Xiaohua Huang; Prashant K Jain; Ivan H El-Sayed; Mostafa A El-Sayed
Plasmonic photothermal therapy (PPTT) using gold nanoparticles.
Lasers in medical science 2008;23(3):217-28.
2008: Mahmoud A Mahmoud; Christopher E Tabor; Mostafa A El-Sayed; Yong Ding; Zhong Lin Wang
A new catalytically active colloidal platinum nanocatalyst: the multiarmed nanostar single crystal.
Journal of the American Chemical Society 2008;130(14):4590-1.
2008: Arianna Biesso; Wei Qian; Mostafa A El-Sayed
Gold nanoparticle plasmonic field effect on the primary step of the other photosynthetic system in nature, bacteriorhodopsin.
Journal of the American Chemical Society 2008;130(11):3258-9.
2007: Xiaohua Huang; Prashant K Jain; Ivan H El-Sayed; Mostafa A El-Sayed
Gold nanoparticles: interesting optical properties and recent applications in cancer diagnostics and therapy.
Nanomedicine (London, England) 2007;2(5):681-93.
2007: Xiaohua Huang; Wei Qian; Ivan H El-Sayed; Mostafa A El-Sayed
The potential use of the enhanced nonlinear properties of gold nanospheres in photothermal cancer therapy.
Lasers in surgery and medicine 2007;39(9):747-53.
2007: Ivan El-Sayed; Xiaohua Huang; Fima Macheret; Joseph Oren Humstoe; Randall Kramer; Mostafa A El-Sayed
Effect of plasmonic gold nanoparticles on benign and malignant cellular autofluorescence: a novel probe for fluorescence based detection of cancer.
Technology in cancer research & treatment 2007;6(5):403-12.
2007: Wenyu Huang; Wei Qian; Prashant K Jain; Mostafa A El-Sayed
The effect of plasmon field on the coherent lattice phonon oscillation in electron-beam fabricated gold nanoparticle pairs.
Nano letters 2007;7(10):3227-34.
2007: Prashant K Jain; Mostafa A El-Sayed
Universal scaling of plasmon coupling in metal nanostructures: extension from particle pairs to nanoshells.
Nano letters 2007;7(9):2854-8.
2007: Adegboyega K Oyelere; Po-Chih Chen; Xiaohua Huang; Ivan H El-Sayed; Mostafa A El-Sayed
Peptide-conjugated gold nanorods for nuclear targeting.
Bioconjugate chemistry 2007;18(5):1490-7.
2007: Xiaohua Huang; Ivan H El-Sayed; Wei Qian; Mostafa A El-Sayed
Cancer cells assemble and align gold nanorods conjugated to antibodies to produce highly enhanced, sharp, and polarized surface Raman spectra: a potential cancer diagnostic marker.
Nano letters 2007;7(6):1591-7.
2006: Wenyu Huang; Wei Qian; Mostafa A El-Sayed
Gold nanoparticles propulsion from surface fueled by absorption of femtosecond laser pulse at their surface plasmon resonance.
Journal of the American Chemical Society 2006;128(41):13330-1.
2006: Kyeong-Seok Lee; Mostafa A El-Sayed
Gold and silver nanoparticles in sensing and imaging: sensitivity of plasmon response to size, shape, and metal composition.
The journal of physical chemistry. B 2006;110(39):19220-5.
2006: Prashant K Jain; Susie Eustis; Mostafa A El-Sayed
Plasmon coupling in nanorod assemblies: optical absorption, discrete dipole approximation simulation, and exciton-coupling model.
The journal of physical chemistry. B 2006;110(37):18243-53.
2006: Alexander W Schill; Christopher S Gaddis; Wei Qian; Mostafa A El-Sayed; Ye Cai; Valeria T Milam; Kenneth Sandhage
Ultrafast electronic relaxation and charge-carrier localization in CdS/CdSe/CdS quantum-dot quantum-well heterostructures.
Nano letters 2006;6(9):1940-9.
2006: Ivan H El-Sayed; Xiaohua Huang; Mostafa A El-Sayed
Selective laser photo-thermal therapy of epithelial carcinoma using anti-EGFR antibody conjugated gold nanoparticles.
Cancer letters 2006;239(1):129-35.
2006: Susie Eustis; Mostafa A El-Sayed
Molecular mechanism of the photochemical generation of gold nanoparticles in ethylene glycol: support for the disproportionation mechanism.
The journal of physical chemistry. B 2006;110(29):14014-9.
2006: Prashant K Jain; Kyeong-Seok Lee; Ivan H El-Sayed; Mostafa A El-Sayed
Calculated absorption and scattering properties of gold nanoparticles of different size, shape, and composition: applications in biological imaging and biomedicine.
The journal of physical chemistry. B 2006;110(14):7238-48.
2006: Xiaohua Huang; Prashant K Jain; Ivan H El-Sayed; Mostafa A El-Sayed
Determination of the minimum temperature required for selective photothermal destruction of cancer cells with the use of immunotargeted gold nanoparticles.
Photochemistry and photobiology 2006;82(2):412-7.
2006: Susie Eustis; Mostafa A El-Sayed
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.
Chemical Society reviews 2006;35(3):209-17.
2006: Prashant K Jain; Wei Qian; Mostafa A El-Sayed
Ultrafast cooling of photoexcited electrons in gold nanoparticle-thiolated DNA conjugates involves the dissociation of the gold-thiol bond.
Journal of the American Chemical Society 2006;128(7):2426-33.
2006: Xiaohua Huang; Ivan H El-Sayed; Wei Qian; Mostafa A El-Sayed
Cancer cell imaging and photothermal therapy in the near-infrared region by using gold nanorods.
Journal of the American Chemical Society 2006;128(6):2115-20.
2006: Qusai Darugar; Wei Qian; Mostafa A El-Sayed; Marie-Paule Pileni
Size-dependent ultrafast electronic energy relaxation and enhanced fluorescence of copper nanoparticles.
The journal of physical chemistry. B 2006;110(1):143-9.
2006: Prashant K Jain; Wei Qian; Mostafa A El-Sayed
Ultrafast electron relaxation dynamics in coupled metal nanoparticles in aggregates.
The journal of physical chemistry. B 2006;110(1):136-42.
2005: Kyeong-Seok Lee; Mostafa A El-Sayed
Dependence of the enhanced optical scattering efficiency relative to that of absorption for gold metal nanorods on aspect ratio, size, end-cap shape, and medium refractive index.
The journal of physical chemistry. B 2005;109(43):20331-8.
2005: Xiaohua Huang; Ivan H El-Sayed; Xiaobing Yi; Mostafa A El-Sayed
Gold nanoparticles: catalyst for the oxidation of NADH to NAD(+).
Journal of photochemistry and photobiology. B, Biology 2005;81(2):76-83.
2005: Laurie S Sanii; Mostafa A El-Sayed
Partial dehydration of the retinal binding pocket and proof for photochemical deprotonation of the retinal Schiff base in bicelle bacteriorhodopsin crystals.
Photochemistry and photobiology 2005;81(6):1356-60.
2005: Wenyu Huang; Wei Qian; Mostafa A El-Sayed
The optically detected coherent lattice oscillations in silver and gold monolayer periodic nanoprism arrays: the effect of interparticle coupling.
The journal of physical chemistry. B 2005;109(40):18881-8.
2005: Radha Narayanan; Mostafa A El-Sayed
Raman studies on the interaction of the reactants with the platinum nanoparticle surface during the nanocatalyzed electron transfer reaction.
The journal of physical chemistry. B 2005;109(39):18460-4.
2005: Susie Eustis; Mostafa A El-Sayed
Aspect ratio dependence of the enhanced fluorescence intensity of gold nanorods: experimental and simulation study.
The journal of physical chemistry. B 2005;109(34):16350-6.
2005: Radha Narayanan; Mostafa A El-Sayed
Catalysis with transition metal nanoparticles in colloidal solution: nanoparticle shape dependence and stability.
The journal of physical chemistry. B 2005;109(26):12663-76.
2005: Laurie S Sanii; Alexander W Schill; Cristin E Moran; Mostafa A El-Sayed
The protonation-deprotonation kinetics of the protonated Schiff base in bicelle bacteriorhodopsin crystals.
Biophysical journal 2005;89(1):444-51.
2005: Ivan H El-Sayed; Xiaohua Huang; Mostafa A El-Sayed
Surface plasmon resonance scattering and absorption of anti-EGFR antibody conjugated gold nanoparticles in cancer diagnostics: applications in oral cancer.
Nano letters 2005;5(5):829-34.
2005: Clemens Burda; Xiaobo Chen; Radha Narayanan; Mostafa A El-Sayed
Chemistry and properties of nanocrystals of different shapes.
Chemical reviews 2005;105(4):1025-102.
2005: Susie Eustis; Hsan-Yin Hsu; Mostafa A El-Sayed
Gold nanoparticle formation from photochemical reduction of Au3+ by continuous excitation in colloidal solutions. A proposed molecular mechanism.
The journal of physical chemistry. B 2005;109(11):4811-5.
2005: Radha Narayanan; Mostafa A El-Sayed
FTIR study of the mode of binding of the reactants on the Pd nanoparticle surface during the catalysis of the Suzuki reaction.
The journal of physical chemistry. B 2005;109(10):4357-60.
2005: Radha Narayanan; Mostafa A El-Sayed
Effect of colloidal nanocatalysis on the metallic nanoparticle shape: the Suzuki reaction.
Langmuir : the ACS journal of surfaces and colloids 2005;21(5):2027-33.
2005: Susie Eustis; Galina Krylova; Anna Eremenko; Natalie Smirnova; Alexander W Schill; Mostafa A El-Sayed
Growth and fragmentation of silver nanoparticles in their synthesis with a fs laser and CW light by photo-sensitization with benzophenone.
Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology 2005;4(1):154-9.
2004: Tarek Mousa; Mostafa A El-Sayed; Ahmed K Motawea; Mohsen A Salama; Abdou Elhendy
Association of blunted nighttime blood pressure dipping with coronary artery stenosis in men.
American journal of hypertension 2004;17(10):977-80.
2004: Florian Garczarek; Jianping Wang; Mostafa A El-Sayed; Klaus Gerwert
The assignment of the different infrared continuum absorbance changes observed in the 3000-1800-cm(-1) region during the bacteriorhodopsin photocycle.
Biophysical journal 2004;87(4):2676-82.
2004: Rodney M Donlan; J A Piede; Colin D Heyes; Laurie S Sanii; Ricardo Murga; P Edmonds; Ivan H El-Sayed; Mostafa A El-Sayed
Model system for growing and quantifying Streptococcus pneumoniae biofilms in situ and in real time.
Applied and environmental microbiology 2004;70(8):4980-8.
2004: Radha Narayanan; Mostafa A El-Sayed
Changing catalytic activity during colloidal platinum nanocatalysis due to shape changes: electron-transfer reaction.
Journal of the American Chemical Society 2004;126(23):7194-5.
2004: Mostafa A El-Sayed
Small is different: shape-, size-, and composition-dependent properties of some colloidal semiconductor nanocrystals.
Accounts of chemical research 2004;37(5):326-33.
2004: Colin D Heyes; Keith B Reynolds; Mostafa A El-Sayed
Eu3+ binding to europium-regenerated bacteriorhodopsin upon delipidation and monomerization.
FEBS letters 2004;562(1-3):207-10.
2003: Radha Narayanan; Mostafa A El-Sayed
Effect of catalysis on the stability of metallic nanoparticles: Suzuki reaction catalyzed by PVP-palladium nanoparticles.
Journal of the American Chemical Society 2003;125(27):8340-7.
2003: Colin D Heyes; Mostafa A El-Sayed
Proton transfer reactions in native and deionized bacteriorhodopsin upon delipidation and monomerization.
Biophysical journal 2003;85(1):426-34.
2003: Stephan Link; Mostafa A El-Sayed
Optical properties and ultrafast dynamics of metallic nanocrystals.
Annual review of physical chemistry 2003;54():331-66.
2002: Jianping Wang; Mostafa A El-Sayed
Time-resolved long-lived infrared emission from bacteriorhodopsin during its photocycle.
Biophysical journal 2002;83(3):1589-94.
2002: Jianping Wang; Stephan Link; Colin D Heyes; Mostafa A El-Sayed
Comparison of the dynamics of the primary events of bacteriorhodopsin in its trimeric and monomeric states.
Biophysical journal 2002;83(3):1557-66.
2002: Colin D Heyes; Mostafa A El-Sayed
The role of the native lipids and lattice structure in bacteriorhodopsin protein conformation and stability as studied by temperature-dependent Fourier transform-infrared spectroscopy.
The Journal of biological chemistry 2002;277(33):29437-43.
2002: Babak Nikoobakht; Clemens Burda; Markus Braun; Man Hun; Mostafa A El-Sayed
The quenching of CdSe quantum dots photoluminescence by gold nanoparticles in solution.
Photochemistry and photobiology 2002;75(6):591-7.
2002: Colin D Heyes; Jianping Wang; Laurie S Sanii; Mostafa A El-Sayed
Fourier transform infrared study of the effect of different cations on bacteriorhodopsin protein thermal stability.
Biophysical journal 2002;82(3):1598-606.
2001: J Wang; Daoji Gan; Andrew Louis Lyon; Mostafa A El-Sayed
Temperature-jump investigations of the kinetics of hydrogel nanoparticle volume phase transitions.
Journal of the American Chemical Society 2001;123(45):11284-9.
2001: Colin D Heyes; Mostafa A El-Sayed
Effect of temperature, pH, and metal ion binding on the secondary structure of bacteriorhodopsin: FT-IR study of the melting and premelting transition temperatures.
Biochemistry 2001;40(39):11819-27.
2001: S L Logunov; V V Volkov; M Braun; Mostafa A El-Sayed
The relaxation dynamics of the excited electronic states of retinal in bacteriorhodopsin by two-pump-probe femtosecond studies.
Proceedings of the National Academy of Sciences of the United States of America 2001;98(15):8475-9.
2001: Jianping Wang; Mostafa A El-Sayed
The effect of metal cation binding on the protein, lipid and retinal isomeric ratio in regenerated bacteriorhodopsin of purple membrane.
Photochemistry and photobiology 2001;73(5):564-71.
2001: Mostafa A El-Sayed
Some interesting properties of metals confined in time and nanometer space of different shapes.
Accounts of chemical research 2001;34(4):257-64.
2001: Jianping Wang; Mostafa A El-Sayed
Time-resolved Fourier transform infrared spectroscopy of the polarizable proton continua and the proton pump mechanism of bacteriorhodopsin.
Biophysical journal 2001;80(2):961-71.
2000: T Masciangioli; Savitha Devanathan; Michael A Cusanovich; Gordon Tollin; Mostafa A El-Sayed
Probing the primary event in the photocycle of photoactive yellow protein using photochemical hole-burning technique.
Photochemistry and photobiology 2000;72(5):639-44.
2000: Jianping Wang; Mostafa A El-Sayed
The effect of protein conformation change from alpha(II) to alpha(I) on the bacteriorhodopsin photocycle.
Biophysical journal 2000;78(4):2031-6.
1999: Jianping Wang; Mostafa A El-Sayed
Temperature jump-induced secondary structural change of the membrane protein bacteriorhodopsin in the premelting temperature region: a nanosecond time-resolved Fourier transform infrared study.
Biophysical journal 1999;76(5):2777-83.
1997: V Volkov; Y P Svirko; V F Kamalov; L Song; Mostafa A El-Sayed
Optical rotation of the second harmonic radiation from retinal in bacteriorhodopsin monomers in Langmuir-Blodgett film: evidence for nonplanar retinal structure.
Biophysical journal 1997;73(6):3164-70.
1997: K Zhang; L Song; J Dong; Mostafa A El-Sayed
Studies of cation binding in ZnCl2-regenerated bacteriorhodopsin by x-ray absorption fine structures: effects of removing water molecules and adding Cl- ions.
Biophysical journal 1997;73(4):2097-105.
1996: C Roselli; A Boussac; T A Mattioli; J A Griffiths; Mostafa A El-Sayed
Detection of a Yb3+ binding site in regenerated bacteriorhodopsin that is coordinated with the protein and phospholipid head groups.
Proceedings of the National Academy of Sciences of the United States of America 1996;93(25):14333-7.
1996: S L Logunov; Mostafa A El-Sayed; J K Lanyi
Catalysis of the retinal subpicosecond photoisomerization process in acid purple bacteriorhodopsin and some bacteriorhodopsin mutants by chloride ions.
Biophysical journal 1996;71(3):1545-53.
1996: S L Logunov; Mostafa A El-Sayed; J K Lanyi
Replacement effects of neutral amino acid residues of different molecular volumes in the retinal binding cavity of bacteriorhodopsin on the dynamics of its primary process.
Biophysical journal 1996;70(6):2875-81.
1995: D Yang; Mostafa A El-Sayed
The Ca2+ binding to deionized monomerized and to retinal removed bacteriorhodopsin.
Biophysical journal 1995;69(5):2056-9.
1995: D Yang; Dan Joshua Castro; I H el-Sayed; Mostafa A El-Sayed; Romaine E Saxton; N Y Zhang
A Fourier-transform infrared spectroscopic comparison of cultured human fibroblast and fibrosarcoma cells: a new method for detection of malignancies.
Journal of clinical laser medicine & surgery 1995;13(2):55-9.
1994: L Song; S L Logunov; D Yang; Mostafa A El-Sayed
The pH dependence of the subpicosecond retinal photoisomerization process in bacteriorhodopsin: evidence for parallel photocycles.
Biophysical journal 1994;67(5):2008-12.
1993: N Y Zhang; Mostafa A El-Sayed
The C-terminus and the Ca2+ low-affinity binding sites in bacteriorhodopsin.
Biochemistry 1993;32(51):14173-5.
1993: Y N Zhang; Mostafa A El-Sayed; Lawrence J Stern; T Marti; Tatsushi Mogi; H Gobind Khorana
Effects of mutagenetic substitution of prolines on the rate of deprotonation and reprotonation of the Schiff base during the photocycle of bacteriorhodopsin.
Photochemistry and photobiology 1993;57(6):1027-31.
1993: Y N Zhang; Mostafa A El-Sayed; M L Bonet; J K Lanyi; M Chang; B Ni; Richard Needleman
Effects of genetic replacements of charged and H-bonding residues in the retinal pocket on Ca2+ binding to deionized bacteriorhodopsin.
Proceedings of the National Academy of Sciences of the United States of America 1993;90(4):1445-9.
1992: Y N Zhang; L L Sweetman; E S Awad; Mostafa A El-Sayed
Nature of the individual Ca binding sites in Ca-regenerated bacteriorhodopsin.
Biophysical journal 1992;61(5):1201-6.
1992: S Wu; Y Chang; Mostafa A El-Sayed; T Marti; Tatsushi Mogi; H Gobind Khorana
Effects of tryptophan mutation on the deprotonation and reprotonation kinetics of the Schiff base during the photocycle of bacteriorhodopsin.
Biophysical journal 1992;61(5):1281-8.
1992: C T Lin; C J Mertz; H C Bitting; Mostafa A El-Sayed
Fluorescence anisotropy studies of dibucaine.HCl in micelles and bacteriorhodopsin.
Journal of photochemistry and photobiology. B, Biology 1992;13(2):169-85.
1991: S Wu; Mostafa A El-Sayed
CD spectrum of bacteriorhodopsin: Best evidence against exciton model.
Biophysical journal 1991;60(1):190-7.
1991: G C Lin; Mostafa A El-Sayed; T Marti; Lawrence J Stern; Tatsushi Mogi; H Gobind Khorana
Effects of individual genetic substitutions of arginine residues on the deprotonation and reprotonation kinetics of the Schiff base during the bacteriorhodopsin photocycle.
Biophysical journal 1991;60(1):172-8.
1991: S G Wu; D J Jang; Mostafa A El-Sayed; T Marti; Tatsushi Mogi; H Gobind Khorana
The use of tryptophan mutants in identifying the 296 nm transient absorbing species during the photocycle of bacteriorhodopsin.
FEBS letters 1991;284(1):9-14.
1991: L L Sweetman; Mostafa A El-Sayed
The binding site of the strongly bound Eu3+ in Eu(3+)-regenerated bacteriorhodopsin.
FEBS letters 1991;282(2):436-40.
1991: S Wu; E S Awad; Mostafa A El-Sayed
Circular dichroism and photocycle kinetics of partially detergent solubilized and partially retinal regenerated bacteriorhodopsin.
Biophysical journal 1991;59(1):70-5.
1990: R van den Berg; Mostafa A El-Sayed
Subpicosecond resonance Raman spectroscopy of carbonmonoxy- and oxyhemoglobin.
Biophysical journal 1990;58(4):931-7.
1990: R van den Berg; H C Bitting; Mostafa A El-Sayed
Subpicosecond resonance Raman spectra of the early intermediates in the photocycle of bacteriorhodopsin.
Biophysical journal 1990;58(1):135-41.
1990: D J Jang; Mostafa A El-Sayed; Lawrence J Stern; Tatsushi Mogi; H Gobind Khorana
Effect of genetic modification of tyrosine-185 on the proton pump and the blue-to-purple transition in bacteriorhodopsin.
Proceedings of the National Academy of Sciences of the United States of America 1990;87(11):4103-7.
1990: R van den Berg; D J Jang; Mostafa A El-Sayed
Decay of the tryptophan fluorescence anisotropy in bacteriorhodopsin and its modified forms.
Biophysical journal 1990;57(4):759-64.
1990: J J Du; Mostafa A El-Sayed; Lawrence J Stern; Tatsushi Mogi; H Gobind Khorana
Sensitivity of the retinal circular dichroism of bacteriorhodopsin to the mutagenetic single substitution of amino acids: tyrosine.
FEBS letters 1990;262(2):155-8.
1989: J E Morgan; P M Li; D J Jang; Mostafa A El-Sayed; Sunney I Chan
Electron transfer between cytochrome a and copper A in cytochrome c oxidase: a perturbed equilibrium study.
Biochemistry 1989;28(17):6975-83.
1989: D J Jang; Mostafa A El-Sayed
Tryptophan fluorescence quenching as a monitor for the protein conformation changes occurring during the photocycle of bacteriorhodopsin under different perturbations.
Proceedings of the National Academy of Sciences of the United States of America 1989;86(15):5815-9.
1989: Mostafa A El-Sayed; C T Lin; W R Mason
Is there an excitonic interaction or antenna system in bacteriorhodopsin?
Proceedings of the National Academy of Sciences of the United States of America 1989;86(14):5376-9.
1989: C T Lin; Y G Chyan; G C Kresheck; H C Bitting; Mostafa A El-Sayed
Interaction of dibucaine.HCl local anesthetics with bacteriorhodopsin in purple membrane: a spectroscopic study.
Photochemistry and photobiology 1989;49(5):641-8.
1988: D J Jang; Mostafa A El-Sayed
Deprotonation of lipid-depleted bacteriorhodopsin.
Proceedings of the National Academy of Sciences of the United States of America 1988;85(16):5918-22.
1987: T C Corcoran; K Z Ismail; Mostafa A El-Sayed
Evidence for the involvement of more than one metal cation in the Schiff base deprotonation process during the photocycle of bacteriorhodopsin.
Proceedings of the National Academy of Sciences of the United States of America 1987;84(12):4094-8.
1986: E L Chronister; T C Corcoran; L Song; Mostafa A El-Sayed
On the molecular mechanisms of the Schiff base deprotonation during the bacteriorhodopsin photocycle.
Proceedings of the National Academy of Sciences of the United States of America 1986;83(22):8580-4.
1985: P Dupuis; T C Corcoran; Mostafa A El-Sayed
Importance of bound divalent cations to the tyrosine deprotonation during the photocycle of bacteriorhodopsin.
Proceedings of the National Academy of Sciences of the United States of America 1985;82(11):3662-4.
1984: J H Hanamoto; P Dupuis; Mostafa A El-Sayed
On the protein (tyrosine)-chromophore (protonated Schiff base) coupling in bacteriorhodopsin.
Proceedings of the National Academy of Sciences of the United States of America 1984;81(22):7083-7.
1981: Mostafa A El-Sayed; B Karvaly; J M Fukumoto
Primary step in the bacteriorhodopsin photocycle: photochemistry or excitation transfer?
Proceedings of the National Academy of Sciences of the United States of America 1981;78(12):7512-6.
1981: J M Fukumoto; W D Hopewell; B Karvaly; Mostafa A El-Sayed
Time-resolved protein fluorescence studies of intermediates in the photochemical cycle of bacteriorhodopsin.
Proceedings of the National Academy of Sciences of the United States of America 1981;78(1):252-5.
1979: J Terner; C L Hsieh; A R Burns; Mostafa A El-Sayed
Time-resolved resonance Raman characterization of the bO640 intermediate of bacteriorhodopsin. Reprotonation of the Schiff base.
Biochemistry 1979;18(16):3629-34.
1979: J Terner; C L Hsieh; A R Burns; Mostafa A El-Sayed
Time-resolved resonance Raman spectroscopy of intermediates of bacteriorhodopsin: The bK(590) intermediate.
Proceedings of the National Academy of Sciences of the United States of America 1979;76(7):3046-50.
1979: J Terner; C L Hsieh; Mostafa A El-Sayed
Time-resolved resonance Raman characterization of the bL550 intermediate and the two dark-adapted bRDA/560 forms of bacteriorhodopsin.
Biophysical journal 1979;26(3):527-41.
1978: J Terner; Mostafa A El-Sayed
Time-resolved resonance Raman characterization of the intermediates of bacteriorhodopsin.
Biophysical journal 1978;24(1):262-4.
1977: A Campion; Mostafa A El-Sayed; J Terner
Resonance Raman kinetic spectroscopy of bacteriorhodopsin on the microsecond time scale.
Biophysical journal 1977;20(3):369-75.
1977: J Terner; A Campion; Mostafa A El-Sayed
Time-resolved resonance Raman spectroscopy of bacteriorhodopsin on the millisecond timescale.
Proceedings of the National Academy of Sciences of the United States of America 1977;74(12):5212-6.
1977: A Campion; J Terner; Mostafa A El-Sayed
Time-resolved resonance Raman spectroscopy of bacteriorhodopsin.
Nature 1977;265(5595):659-61.
1965: N K CHAUDHURI; Mostafa A El-Sayed
CONCENTRATION DEPOLARIZATION OF THE PHOSPHORESCENCE EMISSION.
The Journal of chemical physics 1965;42():1947-53.
1963: Mostafa A El-Sayed; T Pavlopoulos
Intramolecular heavy-atom effect on the polarization of naphthalene phosphorescence.
The Journal of chemical physics 1963;39(7):1899-900.