Journals

Dynamics of Proton Transfer in Bacteriorhodopsin

February 25, 2004

Author(s)

Y. S. Lee, Morris Krauss

Proton transfer from the cyctoplasm to the extracellular side is initiated from protonated asp96 in the cytoplasmic region towards the deprotonated Schiff base...

Photon antibunching at high temperature from a single InGaAs/GaAs quantum dot

February 23, 2004

Author(s)

Richard P. Mirin

We report the observation of photon antibunching from a single, self-assembled InGaAs/GaAs quantum dot at temperatures up to 135 K. The second order intensity...

Current quantization due to single-electron transfer in Si-wire charge-coupled devices

February 23, 2004

Author(s)

Akira Fujiwara, Neil M. Zimmerman, Yukinori Ono, Yasuo Takahashi

We observe a quantized current due to single-electron transfer in a small charge-coupled device, which consists of a narrow Si-wire channel with fine gates; the...

Crystal Structure and Properties of Ba₁₁FeTi₂₇O_66.5

February 18, 2004

Author(s)

Terrell A. Vanderah, T Siegrist, Robert S. Roth, A P. Ramirez, Richard G. Geyer

The crystal structure

Segmentation for Robust Tracking in the Presence of Severe Occlusion

February 18, 2004

Author(s)

Camillo A. Gentile, M Sznaier, O Camps

Tracking an object in a sequence of images can fail due to partial occlusion or clutter. Robustness to occlusion can be increased by tracking the object as a...

Isostructural Self-Assembled Monolayers, Part 2. Methyl-1-(3-Mercaptopropyl)-Oligo(Ethylene Oxide)s

February 17, 2004

Author(s)

David J. Vanderah, T Parr, Vitalii I. Silin, Curtis W. Meuse, Richard S. Gates, H La, Gintaras Valincius

The structural order and, for some, the ordering conditions of the self-assembled monolayers (SAMs) of HSCH2CH2CH2O(EO)xCH3, where EO = CH2CH2O, and x = 3 to 9...

Broadband phase-coherent optical frequency synthesis with actively linked Ti:sapphire and Cr:forsterite femtosecond lasers

February 15, 2004

Author(s)

A Bartels, Nathan R. Newbury, I Thomann, Leo W. Hollberg, Scott A. Diddams

Absolute frequency measurements with a stabilized near-infrared optical frequency comb from a Cr:forsterite laser

February 15, 2004

Author(s)

Kristan L. Corwin, I Thomann, A Bartels, Tasshi Dennis, W. Fox, William C. Swann, E. A. Curtis, C. W. Oates, G Wilpers, Sarah L. Gilbert, Leo W. Hollberg, Nathan R. Newbury, Scott A. Diddams, Jeffrey W. Nicholson, M. Yan

A frequency comb is generated with a chromium-doped forsterite femtosecond laser, spectrally broadened in dispersion-shifted highly nonlinear fiber, and...

Broadband Phase-Coherent Optical Frequency Synthesis with Actively Linked Ti:Sapphire and Cr:Forsterite Femtosecond Lasers

February 15, 2004

Author(s)

A Bartels, Nathan R. Newbury, I Thomann, Leo W. Hollberg, Scott Diddams

We link the output spectra of a Ti:Sapphire and a Cr:forsterite femtosecond laser phase coherently to form a continuous frequency comb with a wavelength...

Absolute-frequency measurements with a stabilized near-infrared optical frequency comb from a Cr:forsterite laser

February 15, 2004

Author(s)

K L. Corwin, I Thomann, A Bartels, T Dennis, Richard W. Fox, W C. Swann, E A. Curtis, Christopher W. Oates, G Wilpers, S L. Gilbert, Leo W. Hollberg, Nathan R. Newbury, Scott Diddams, J Nicholson, M. F. Yan

Phenomenological Theory of Current-Induced Magnetization Precession

February 13, 2004

Author(s)

Mark D. Stiles, J Xiao, A Zangwill

We solve appropriate drift-diffusion and Landau-Lifshitz-Gilbert equations to demonstrate that unpolarized current flow from a non-magnet into a ferromagnet can...

Nonequilibrium Quasiparticles and Periodicity in Single-Cooper-Pair Transistors

February 13, 2004

Author(s)

Joe Aumentado, Mark W. Keller, John M. Martinis, Michel H. Devoret

We have made single-Cooper-pair transistors in which we control the spatial profile of the superconducting gap energy by oxygen doping. The profile dramatically...

High-Resolution Cavity Ring-Down Spectroscopy of H216O at 10687.36 cm-1

February 11, 2004

Author(s)

Joseph T. Hodges

We describe a frequency-stabilized cavity ring-down spectroscopy apparatus enabling high-resolution line shape measurements of water vapor. The measured line...

Studies on the Effect of Movement During the Cure on the Mechanical Properties of Sealand

February 8, 2004

Author(s)

Christopher C. White, Donald L. Hunston, R S. Williams

A novel sealant-testing device was used to con-tinuously monitor the mechanical properties of a one part silicone sealant for movement cycles initiated from 10...

FT IR Studies of C₃₀ Self-Assembled Monolayers on Silica, Titania, and Zirconia

February 4, 2004

Author(s)

G Srinivasan, M. Pursch, Lane C. Sander, K Muller

Membrane Surface Dynamics of DNA-Threaded Nanopores Revealed by Simultaneous Single-Molecule Optical and Ensemble Electrical Recording

February 3, 2004

Author(s)

E L. Chandler, A L. Smith, Lisa K. Burden, John J. Kasianowicz, D L. Burden

We demonstrate a method for simultaneous real-time electrical and single-molecule optical recordings of the interactions between single-stranded DNA and...

Three-Dimensional Green's Functions in Multilayered Anisotropic Piezoelectric Materials

February 2, 2004

Author(s)

B Yang, E Pan, Vinod Tewary

Three-dimensional Green's functions due to a point force and a point charge in multilayered anisotropic piezoelectric materials have been derived within the...

Preparation and Uncertainty Calculations for the Molality-Based Primary Standards for Electrolytic Conductivity

February 1, 2004

Author(s)

R H. Shreiner

Reduction in dentin permeability using mildly supersaturated calcium phosphate solutions

February 1, 2004

Author(s)

Ai-Shuan(Maria) Cherng, Laurence C. Chow, Shozo Takagi

Treatments that obdurate dentin tubules have been used for reducing dentin hypersensitivity. The objective of this study was to determine the effects of...

XML Schema Development Guidelines. Version 1.0

February 1, 2004

Author(s)

Mark E. Palmer, M Burns, T L. Teague

These guidelines summarize the background, rationale and guiding principles that the FIATECH program is using to produce XML domain schemas for automating...

Sampling Errors in the Estimation of Peak Wind-Induced Internal Forces in Low-Rise Structures

February 1, 2004

Author(s)

Fahim Sadek, S M. Diniz, M Kasperski, M Gioffre, Emil Simiu

Peak values in time histories of wind effects may be obtained by using the entire information inherent in the time series of the wind effect, a method entailing...

Endogenous Lithium and Boron Red Cell-Plasma Ratios: Normal Subjects versus Bipolar Patients Not on Lithium Therapy

February 1, 2004

Author(s)

W B. Clarke, R Guscott, Robert G. Downing, Richard M. Lindstrom

Flame Retardant Mechanism of Polyamid 6 - Clay Nanocompsoites

February 1, 2004

Author(s)

Takashi Kashiwagi, Richard H. Harris Jr., X H. Zhang, R M. Briber, Srinivasa R. Raghavan, W H. Awad, John R. Shields

The thermal and flammability properties of polyamide 6/clay (2 % and 5 % by mass) nanocomposites were measured to determine their flame retardant performance...

Solid-Phase Extraction Electrospray Ionization Mass Spectrometry for the Quantification of Folate in Human Plasma or Serum

February 1, 2004

Author(s)

Bryant C. Nelson, Christine M. Pfeiffer, S A. Margolis, C Nelson

Electrostatics for Exploring the Nature of the Hydrogen Bonding in Poly-ethylene Oxide Hydration

February 1, 2004

Author(s)

Y Aray, M Marquez, J Rodriguez, D Vega, Y Simon-Manso, S Coll, Carlos A. Gonzalez, D A. Weitz

Poly-ethylene oxide (PEO) is a nonionic surfactant of great scientific and technological interest for a wide variety of applications, many of which depend upon...

Moisture Absorption and Absorption Kinetics in Polyelectrolyte Films: Influence of Film Thickness

February 1, 2004

Author(s)

B D. Vogt, Christopher L. Soles, Hae-Jeong Lee, Eric K. Lin, Wen-Li Wu

Specular x-ray reflectivity (XR) and quartz crystal microbalance (QCM) measurements were used to determine the absorption of water into thin poly(4-ammonium...

Phase Field Modeling of Electrochemistry. II. Kinetics

February 1, 2004

Author(s)

Jonathan E. Guyer, William J. Boettinger, James A. Warren, Geoffrey B. McFadden

The kinetic behavior of the phase field model described in (J.E. Guyer, W.J. Boettinger, J.A. Warren and G. B. McFadden, Phase field modeling of...

Phase Field Modeling of Electrochemistry. I. Equilibrium

February 1, 2004

Author(s)

Jonathan E. Guyer, William J. Boettinger, James A. Warren, Geoffrey B. McFadden

A diffuse interface (phase field) model for an electrochemical system is developed. We describe the minimal set of components needed to model an electrochemical...

Techniques for Measurements in Concentrated Systems

February 1, 2004

Author(s)

Vincent A. Hackley

Concentrated suspensions present a number of technical challenges for characterization and monitoring of the solid phase. Recent developments have provided the...

Long-Range Strains and the Effects of Applied Field at 180 Ferroelectric Domain Walls in Lithium Niobate

February 1, 2004

Author(s)

Terrence J. Jach, S. Kim, J. A. Aust, S M. Durbin, David S. Bright

rroelectric domains with antiparallel polarization are readily induced in congruent LiNbO3 with electric fields above 240 kV/cm at room temperature. Even in the...