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Search Publications

NIST Authors in Bold

Displaying 1026 - 1050 of 4633

Ion transport across solid-state ion channels perturbed by directed strain

April 28, 2020
Author(s)
Alexander Smolyanitsky, Alta Y. Fang, Andrei Kazakov, Eugene Paulechka
… and molecular dynamics simulations to consider aqueous ion flow across non-axisymmetric nanopores in monolayer … relationship in solid-state and biological ion channels. Specifically, the observed anisotropic effects … Ion transport across solid-state ion channels perturbed by …

Enhancing molecular flux through nanopores via attractive interactions

November 1, 2006
Author(s)
John J. Kasianowicz, Tam Nguyen, Vincent M. Stanford
… has a low dielectric constant (' ~ 2), it was shown that ion-selective transporters, now known as protein ion channels, are water-filled pores (5). The ability to … the means to probe the structure-function relationship of ion channels. Channels, and channel-like entities also …

Detecting ion pairing in sodium halide solutions with dielectric spectroscopy

July 1, 2025
Author(s)
Michael Woodcox, Sarah Evans, Rebecca Bone, Spencer Mattes, Avik Mahata, Aaron Hagerstrom, Chris Muzny, Ravishankar Sundararaman, Kathleen Schwarz, Angela Stelson
… in the dielectric spectra, the contributions of the ion-ion and ion-water interactions can be difficult to measure and … Detecting ion pairing in sodium halide solutions with dielectric …

CURVED-WIDE PLATE TESTING OF X100 GIRTH WELDS

September 29, 2014
Author(s)
Timothy S. Weeks, Joseph D. McColskey, Mark D. Richards, Yong-Yi Wang, Marie A. Quintana
… The curved-wide plate (CWP) tests are frequently used for assessing the … CURVED-WIDE PLATE TESTING OF X100 GIRTH WELDS …

Optical probing of cold trapped atoms

January 1, 1993
Author(s)
W. Fox, Sarah L. Gilbert, Leo W. Hollberg, J. H. Marquardt, Hugh Robinson
… between excited states of laser-cooled and laser-trapped rubidium and cesium atoms are probed by use of fiber … Optical probing of cold trapped atoms …

Assessing the Measurement Uncertainty of Thermophysical Properties

September 2, 2009
Author(s)
Robert R. Zarr
A generalized approach for the expression of measurement uncertainty consistent with current international practice is presented. The approach is applicable to all kinds of quantitative measurements including measurements of thermophysical properties. A

Efficient production of sodium Bose-Einstein condensates in a hybrid trap

September 10, 2025
Author(s)
Ian Spielman, Stephen Eckel, Gretchen Campbell, Yanda Geng, Shouvikl Mukherjee, Swarnav Banik, Monica Gutierrez~Galan, Hector Sosa-Martinez, Madison Anderson
… $^23}$Na Bose-Einstein condensates (BECs) in a hybrid trap that combines a quadrupole magnetic field with a far-detuned optical dipole trap. Using a Bayesian optimization framework, we … production of sodium Bose-Einstein condensates in a hybrid trap …

Development of Multiple Beam Optical Tweezers

June 1, 2005
Author(s)
Dongjin Lee, Thomas W. LeBrun, Arvind Balijepalli, Jason J. Gorman, Cedric V. Gagnon, Daehie Hong, Esther H. Chang
… aperture of microscope objective, which gives a stable trap. By rotating the laser beam with the scanning mirror, … to manipulate cells and liposomes simultaneously and to trap multiple nano-wires. The experiments prove that the … optical tweezers, optical trap, multiple optical traps, micro/nano manipulation, nano …

Automated Analysis of Organic Particles Using Cluster SIMS

June 1, 2004
Author(s)
John G. Gillen, Cynthia J. Zeissler, Christine M. Mahoney, Abigail P. Lindstrom, Robert A. Fletcher, P Chi, Jennifer R. Verkouteren, David S. Bright, R Lareau, M Boldman
… Cluster primary ion bombardment combined with secondary ion imaging is used in an ion microscope secondary ion mass spectrometer for the … SIMS, explosives, inkjet, particle searching, polyatomic ion …

Non-solvating, side-chain polymer electrolytes as lithium single-ion conductors: synthesis and ion transport characterization

October 3, 2019
Author(s)
Jiacheng Liu, Phillip D. Pickett, Bumjun Park, Sunil Upadhyay, Sara Orski, Jennifer Schaefer
… Solid-state single-ion conducting polyelectrolytes have drawn considerable … interest for secondary lithium batteries due to their high ion conductivities under solvent-free conditions. … materials; however, their potential is limited due to the ion transport mechanism being coupled to segmental …

Application of Microcalorimeter Energy Measurement to Biopolymer Mass Spectrometry

March 1, 2001
Author(s)
B. Neuhauser, Gene C. Hilton, John M. Martinis
… microcalorimeter detector. We emphasize the measurement of ion-impact energy as a way to obtain extra information that … measurements are used to discriminate against erroneous ion-strikes, to resolve ambiguities that connot be resolved … ion energy, microcalorimeter, mixture analysis …

Linear Spin Waves in a Trapped Bose Gas

October 1, 2002
Author(s)
T Nikuni, J E. Williams, Charles W. Clark
… spin wave collective modes based on the moment method for trapped gases. In the collisionless and hydrodynamic limits, … Linear Spin Waves in a Trapped Bose Gas …

Quantitative Depth Profiling of an Alternating Pt/Co Multilayer and a Pt Co Alloy multilayer by SIMS using a Buckminsterfullerene (C60) Source

May 15, 2007
Author(s)
K.J. Kim, David S. Simons, J Greg Gillen
… Buckmins erfullerene ion beam has been applied o he dep h profiling of an al erna … Quan i a ive dep h profiling was performed by secondary ion mass spec rome ry (SIMS) wi h C60 ions using P Co alloy … were used o conver an original dep h profile o a composi ion dep h profile. A severe in erface ar ifac observed in he …

Alterations in Water Structure Induced by Guanidinium and Sodium Ions

November 1, 2004
Author(s)
Raymond D. Mountain, D Thirumalai
… as the concentration of ion is varied. We consider two ions, namely, sodium chloride and guanadinium chloride. As the concentration of sodium ions, Na^+, is increased the water structure is greatly … The differences in the interaction of these two ions with water as their concentration is varied are used to …

Trapped Atomic Ions and Quantum Information Processing

January 1, 2006
Author(s)
David J. Wineland, Dietrich G. Leibfried, James C. Bergquist, R B. Blakestad, John J. Bollinger, Joseph W. Britton, J Chiaverini, Ryan Epstein, David Hume, Wayne M. Itano, John D. Jost, E Knill, Jeroen Koelemeij, Christopher Langer, R Ozeri, Rainer Reichle, Till P. Rosenband, T Schaetz, Piet Schmidt, Signe Seidelin, Nobuyasu Shiga, Janus Wesenberg
… Trapped Atomic Ions and Quantum Information Processing …

Laser-cooled ion plasmas in Penning Traps

January 23, 2003
Author(s)
John J. Bollinger, J M. Kriesel, T B. Mitchell, L B. King, M J. Jensen, Wayne M. Itano, D H. Dubin
… Laser-cooled ion plasmas in Penning Traps …
Displaying 1026 - 1050 of 4633
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