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Displaying 1151 - 1175 of 4039

Mid-infrared molecular spectroscopy in the quantum noise limit

March 31, 2016
Author(s)
David A. Long, Adam J. Fleisher, Qingnan Liu, Joseph T. Hodges
A cavity ring-down spectrometer was used to reach the quantum noise limit in the mid-infrared spectral region. Quantum noise was observed not only in the individual ring-down decay events but also in the corresponding ensemble statistics with a magnitude

Behavior of molecules and molecular ions near a field emitter

March 18, 2016
Author(s)
Ann C. Chiaramonti Debay, Baptiste Gault, Michael Ashton, Susan B. Sinnott, Michael P. Moody, David W. Saxey, D. K. Schreiber
The cold emission of particles from surfaces under intense electric fields is a process which underpins a variety of applications including atom probe tomography (APT), an analytical microscopy technique with near-atomic spatial resolution. Increasingly

The I/O transform of a chemical sensor

March 14, 2016
Author(s)
Nalin Katta, Douglas C. Meier, Kurt D. Benkstein, Stephen Semancik, Baranidharan Raman
A number of sensing technologies using a variety of transduction principles have been proposed for the purpose of non-invasive chemical sensing. A fundamental problem common to all sensing technologies is determining what features of the transducer's

Identification and Quantification of Seven Fused Aromatic Rings C26H14 Peri-Condensed Benzenoid Polycyclic Aromatic Hydrocarbons in a Complex Mixture of Polycyclic Aromatic Hydrocarbons from Coal Tar

March 2, 2016
Author(s)
Jorge O. Ona Ruales, Ruiz-Morales Yosadara, Stephen A. Wise
A methodology for the characterization of groups of PAHs using a combination of Normal Phase Liquid Chromatography with Ultraviolet-Visible Spectroscopy (NPLC/UV-vis) and Gas Chromatography with Mass Spectrometry (GC/MS) was used for the identification and

The Structural Origin of Electron Injection Enhancements with Fulleropyrrolidine Interlayers

February 25, 2016
Author(s)
Lee J. Richter, Hyunbok Lee, Christopher McNeil, Eliot Gann, Lars Thomsen, S. Park, J. Jeong, Z. A. Page, Egle Puodziukynaite, Todd Emrick, Alejandro Briseno, John C. Stephenson, Dean M. DeLongchamp
Market demand for ubiquitous, increased functionality products at low cost (the internet of things) is spurring development in additive, solution processing of electronic devices. Performance in thin-film functional devices, be they transistors, diodes, or

Uranium Ion Yields from Monodisperse Uranium Oxide Particles

February 24, 2016
Author(s)
Nicholas E. Sharp, John D. Fassett, David S. Simons
Secondary ion mass spectrometry (SIMS) plays an important role in nuclear forensics through its ability to identify isotopic ratios of particles accurately and precisely from samples obtained by inspectors [1]. As the particle mass can be on the order of

Gas Sensing with Bare and Graphene-covered Optical Nano Antenna Structures

February 17, 2016
Author(s)
Bhaven Mehta, Kurt D. Benkstein, Stephen Semancik, Mona E. Zaghloul
The motivation behind this work is to study the gas phase chemical sensing characteristics of optical (plasmonic) nano antennas (ONA) and graphene/graphene oxide-covered versions of these structures. ONA are devices that have their resonating frequency in

A Description of the Clinical Proteomics Tumor Analysis Consortium (CPTAC) Common Data Analysis Pipeline

February 10, 2016
Author(s)
Jeri S. Roth, Paul A. Rudnick, Sanford Markey, Yuri Mirokhin, Xinjian Yan, Dmitrii Tchekhovskoi, Stephen Stein, Nathan J. Edwards, Ratna R. Thangudu, Karen A. Ketchum, Christopher R. Kinsinger, Mehdi Mesri, Henry Rodriguez
The Clinical Proteomic Tumor Analysis Consortium (CPTAC) has produced large proteomics datasets from the mass spectrometric interrogation of tumor samples previously studied by The Cancer Genome Atlas (TCGA) program. The availability of the genomic and
Displaying 1151 - 1175 of 4039
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