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Journals

Concentration Dependent Neural Differentiation and Neurite Extension from mouse ESC on Primary Amine-derivatized Surfaces

February 27, 2013

Author(s)

Laura A. Smith Callahan, Yanrui Ma, Christopher Stafford, Matthew L. Becker

We demonstrate a versatile, well controlled, and highly reproducible surface density gradient fabrication strategy that allows for precise control over surface

Modification of Tethered Bilayers by Phospholipid Exchange with Vesicles

February 27, 2013

Author(s)

Rima Budvytyte, Mindaugas Mickevicius, David J. Vanderah, Frank Heinrich, Gintaras Valincius

Advanced Calibration, Adjustment, and Operation of a Density and Sound Speed Analyzer

February 26, 2013

Author(s)

Tara J. Fortin, Arno D. Laesecke, Malte B. Freund, Stephanie L. Outcalt

Benchtop measurement systems have emerged as powerful tools in the ongoing quest for thermophysical property data. We demonstrate that these instruments can

Macroscale refrigeration by nanoscale electron transport

February 26, 2013

Author(s)

Peter J. Lowell, Galen C. O'Neil, Jason M. Underwood, Joel N. Ullom

Nano- and Micro- Electromechanical devices (NEMS & MEMS) have become ubiquitous; examples include automobile accelerometers, inkjet printer heads, infrared

Continuous-Film vs. Device-Level Ferromagnetic Resonance in Magnetic Tunnel Junction Thin Films

February 25, 2013

Author(s)

Eric R. Evarts, Matthew R. Pufall, William H. Rippard

We quantitatively compare film-level ferromagnetic resonance (FMR) measurements to device-level FMR measurements on magnetic tunnel junction (MTJ) thin films

Detecting Single Infrared Photons with 93 % System Efficiency

February 25, 2013

Author(s)

Francesco F. Marsili, Varun B. Verma, Jeffrey A. Stern, Sean D. Harrington, Adriana E. Lita, Thomas Gerrits, Igor Vayshenker, Burm Baek, Matthew D. Shaw, Richard P. Mirin, Sae Woo Nam

Single-photon detectors (SPDs) are nonlinear transducers that respond to the absorption of one or more photons with an electrical signal1. SPDs at near infrared

Modeling flat to slant fracture transition in CTOA specimens using the computational cell methodology

February 23, 2013

Author(s)

Christopher N. McCowan, Jacques Besson, Elizabeth S. Drexler

Macroscopicmode I ductile crack propagation in thin metallic sheets often starts in mode I as a flat triangle whose normal corresponds to the loading direction

Atom numbers in magneto-optic traps with millimeter scale laser beams

February 22, 2013

Author(s)

Gregory W. Hoth, Elizabeth A. Donley, John E. Kitching

We measure the number of atoms, N, that can be trapped in a conventional vapor cell MOT using beams that have a diameter d in the range 1-5 mm. We show that the

A Microporous Metal-Organic Framework of a Rare sty Topology for High CH₄ Storage at Room Temperature

February 22, 2013

Author(s)

Xing Duan, Jiancan Yu, Jianfeng Cai, Yabing He, Chuande Wu, Wei Zhou, Taner N. Yildirim, Zhangjing Zhang, Shengchang Xiang, Michael O'Keeffe, Banglin Chen, Guodong Qian

A rare sty type microporous metal-organic framework Cu 2(FDDI) (ZJU-25; H 4FDDI = tetramethyl 5,5'-(9H-fluorene-2,7-diyl)diisophthalate acid) was solvothermally

Use of the Grand Canonical Transition-Matrix Monte Carlo Method to Model Gas Adsorption in Porous Materials

February 21, 2013

Author(s)

Daniel W. Siderius, Vincent K. Shen

We present grand canonical transition-matrix Monte Carlo (GC-TMMC) as an efficient method for simulating gas adsorption processes, with particular emphasis on

Cavity-stabilized laser with acceleration sensitivity below 10^-12/g^-1

February 21, 2013

Author(s)

David R. Leibrandt, James C. Bergquist, Till P. Rosenband

We characterize the frequency-sensitivity of a cavity-stabilized laser to inertial forces and temperature fluctuations, and perform real-time feed-forward to

Discriminating the states of matter in metallic nanoparticle transformations: What are we missing?

February 20, 2013

Author(s)

John M. Pettibone, Julien C. Gigault, Vincent A. Hackley

A limiting factor in assessing the risk of current and emerging nanomaterials in biological and environmental systems is the ability to accurately detect and

Quantitative measurements of glutathione in yeast cell lysate using 1H NMR

February 20, 2013

Author(s)

Steve Y. Rhieu, Aaron A. Urbas, Katrice Lippa, Vytas Reipa

A method for quantifying the level of glutathione (GSH) in yeast cell lysate is described using 1H NMR analysis. For quantification purposes, the 1H resonances

New Version: Grasp2K Relativistic Atomic Structure Package

February 19, 2013

Author(s)

P. Jonsson, G. Gaigalas, J Bieron, Charlotte F. Fischer, I. P. Grant

A revised version of Grasp2K [P. Jonsson, X. He, C. Froese Fischer, and I.P. Grant, Comput. Phys. Commun. 177 (2007) 597] is presented. It supports earlier non

Radiation-suppressed superconducting quantum bit in a planar geometry

February 19, 2013

Author(s)

Martin O. Sandberg, Tomas A. Ohki, Jose A. Aumentado, Martin P. Weides, David P. Pappas

We present a superconducting transmon qubit circuit design based on large, coplanar capacitor plates and a microstrip resonator. The microstrip geometry, with

Fast standard addition method for LA-ICPMS using a spinning platform

February 19, 2013

Author(s)

John L. Molloy, Stephen E. Long, Fanny Claverie, Julian Malherbe, Naomi Bier

A method has been developed for the fast and easy determination of Pb, Sr, Ba, Ni, Cu, and Zn, which are of geological and environmental interest, in solid

Corrections to the classical continuity boundary conditions at the interface of a composite medium

February 19, 2013

Author(s)

Christopher L. Holloway, Edward Kuester

Using the multiple-scales homogenization method, we derive generalized sheet transition conditions (GSTCs) for electromagnetic fields at the interface between

Nanoscale Infrared Spectroscopy: Improving the Spectral Range of the Photothermal Induced Resonance Technique

February 19, 2013

Author(s)

Aaron M. Katzenmeyer, Vladimir Aksyuk, Andrea Centrone

Photothermal Induced Resonance (PTIR) is a new technique which combines the chemical specificity of IR spectroscopy with the lateral resolution of Atomic Force

Polymer Membranes to Quarter-Wave Match Gaussian Optics

February 18, 2013

Author(s)

Jack T. Surek, Jason B. Coder, Joshua A. Gordon, David R. Novotny

We demonstrate that a simple quarter wave match designed for 110 GHz in WR10 waveguide reduces reflected power by a factor of ten at high density polyethylene

Phase-Coded Volume Holographic Gratings for Spatial-Spectral Imaging Filters

February 15, 2013

Author(s)

John Lu

We present a design of phase contrast filters embedded in a three-dimensional (3D) pupil to form phase-coded volume holographic gratings (VHG) for spatial

Effects of fiber gripping methods on the single fiber tensile test: I. Non parametric statistical analysis

February 15, 2013

Author(s)

Jae Hyun Kim, Nathanael A. Heckert, Stefan D. Leigh, Haruki Kobayashi, Walter G. McDonough, Kirk D. Rice, Gale A. Holmes

Single fiber tensile tests using two different gripping methods were carried out on various fiber lengths. One method (the glue-tab grip) consists of mounting a

Stable Field Emission from Nanoporous Silicon Carbide

February 15, 2013

Author(s)

Myung Gyu Kang, Henri Lezec, Fred Sharifi

A new method for fabrication of high current density field emitters based on nanoporous silicon carbide is presented. The emitters are monolithic structures

Influence of Organic Liquids on the Nanostructure of Precipitated Cellulose

February 15, 2013

Author(s)

Brian J. Watson, Boualem Hammouda, Robert M. Briber, Steven W. Hutcheson

Cellulose (β-1,4 glucose) crystallinity poses a substantial physical and economic barrier to the enzymatic digestion of biomass to its constituent sugars. The

Temperature sculpting in yoctoliter volumes

February 14, 2013

Author(s)

Joseph E. Reiner, Joseph W. Robertson, Daniel L. Burden, Lisa K. Burden, Arvind Balijepalli, John J. Kasianowicz

The ability to perturb large ensembles of molecules from equilibrium led to major advances in understanding reaction mechanisms in chemistry and biology. Here

Salt-Specific Effects in Aqueous Dispersions of Carbon Nanotubes

February 13, 2013

Author(s)

Jeffrey A. Fagan, Carlos A. Silvera Batista, Alberto Striolo, Naga Rajesh Tummala, Manaswee Suttipong

Tremendous progress has been made to stabilize carbon nanotube dispersions using surfactants, although many questions await answer to design surfactant

A Generalized Strategy for Immobilizing Uniformly Oriented Membrane Proteins at Solid Interfaces

February 13, 2013

Author(s)

Amit NMN Vaish, Vitalii I. Silin, Marlon L. Walker, Kristen L. Steffens, Susan Krueger, Alexei A. Yeliseev, Klaus Gawrisch, David J. Vanderah

We present here a generalized strategy for immobilizing uniformly oriented membrane proteins onto a functionalized surface. Using water soluble nitrilotriacetic

The CMG (CDC45/RecJ, MCM, GINS) complex is a conserved component of the DNA replication system in all archaea and eukaryotes

February 13, 2013

Author(s)

Zvi Kelman, Kira S. Makarova, Eugene V. Koonin

In eukaryotes, the CMG (Cdc45, MCM, GINS) complex functions as the replicative helicase and plays a key role in DNA replication. Archaeal homologs of the

Measurement of orbital asymmetry and strain in Co₉₀Fe₁₀/Ni multilayers and alloys: Origins of perpendicular anisotropy

February 13, 2013

Author(s)

Justin M. Shaw, Hans T. Nembach, Thomas J. Silva

We use broadband ferromagnetic resonance spectroscopy and x-ray diffraction to investigate the fundamental origin of perpendicular anisotropy in Co 90Fe 10/Ni

Characterization of high-temperature superconducting conductor on round core cables in magnetic fields up to 20 T

February 13, 2013

Author(s)

Daniel C. van der Laan, Patrick D. Noyes, Miller E. George, Hubertus W. Weijers, Willering P. Gerard

The next generation of high-field magnets that will operate at magnetic fields substantially above 20 T, or at temperatures substantially above 4.2 K, requires

Mouse Cell Line Authentication

February 13, 2013

Author(s)

Jamie L. Almeida, Carolyn R. Steffen, Kenneth D. Cole

The scientific community has responded to the misidentification of human cell lines with validated methods to authenticate these cells; however, there are few

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