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Displaying 476 - 500 of 1412

Visualization of phase evolution in model organic photovoltaic structures via energy-filtered transmission electron microscopy

August 9, 2013

Author(s)

Andrew A. Herzing, Hyun W. Ro, Christopher L. Soles, Dean M. DeLongchamp

… poly(3-hexylthiophene) and [6,6]-phenyl-C61-butyric acid methyl ester. By utilizing a combination of focused ion-beam milling …

Ultrafast Terahertz Spectroscopy for Measuring Carrier Dynamics in Nanoscale Photovoltaic Materials

February 15, 2010

Author(s)

Okan Esenturk, Paul A. Lane, Joseph S. Melinger, Edwin J. Heilweil

Femtosecond pump-probe methods are useful tools for investigating transient electronic and vibrational states of conducting materials and molecular photochemistry. Ultraviolet and visible excitation pulses (

Dynamics of Residential Indoor Gas- and Particle-Phase Water-Soluble Organic Carbon: Measurements During the CASA Experiment

October 4, 2024

Author(s)

Marc Webb, Glenn Morrison, Karsten Baumann, Jienan Li, Jenna Ditto, Han Huynh, Jie Yu, Kathryn Mayer, Marina Vance, Delphine Farmer, Jonathan Abbatt, Dustin Poppendieck, Barbara Turpin

… Acid, Base, Indoor Air …

The Microwave Spectrum of a Two-top Peptide Mimetic: The N-Acetyl Alanine Methyl Ester Molecule

January 1, 2006

Author(s)

David F. Plusquellic, I Kleiner, J Demaison, R D. Suenram, R J. Lavrich, Francis J. Lovas, Gerald T. Fraser, Vadim V. Ilyushin

… of a Two-top Peptide Mimetic: The N-Acetyl Alanine Methyl Ester Molecule …

The microwave spectrum of a two-top peptide mimetic: The N-acetyl alanine methyl ester molecule

January 1, 2006

Author(s)

J Demaison, David F. Plusquellic, I Kleiner, R D. Suenram, R J. Lavrich, Francis J. Lovas, Gerald T. Fraser, Vadim V. Ilyushin

… of a two-top peptide mimetic: The N-acetyl alanine methyl ester molecule …

Perfluorinated Alkyl Acids in Wildlife

April 21, 2015

Author(s)

Jessica L. Reiner, Benjamin J. Place

… Perfluorinated Alkyl Acids in Wildlife …

Transport of acetic acid in polyethylene:

January 1, 1983

Author(s)

Joseph C Phillips

… Transport of acetic acid in polyethylene: …

Global metabolomic responses in urine from Atm deficient mice in response to LD50/30 gamma irradiation doses

August 9, 2018

Author(s)

Evagelia C. Laiakis, Tytus Mak, Steven J. Strawn, Yi-Wen Wang, Bo-Hyun Moon, Pelagie Ake, Albert J. Fornace

… tandem mass spectrometry and included riboflavin, uric acid, D-ribose, D-glucose, pantothenic acid, taurine, kynurenic acid, xanthurenic acid, 2-oxoadipic acid, glutaric acid, …

Optical Coherence Tomography of Glass Reinforced Polymer Composites

January 1, 1999

Author(s)

Joy Dunkers, Richard~undefined~undefined~undefined~undefined~undefined Parnas, C G. Zimba, R C. Peterson, Kathleen M. Flynn, J G. Fujimoto, B E. Bouma

… to image fiber tows and voids in an epoxy and in a vinyl ester E-glass reinforced composite. Features detected using …

Upward Flame Spread on Composite Materials

January 1, 1999

Author(s)

Thomas J. Ohlemiller, Thomas G. Cleary

… tested against intermediate-scale experiments on a vinyl-ester/glass composite. Characterization of rate of heat …

Upward Flame Spread on Composite Materials

January 1, 1995

Author(s)

Thomas J. Ohlemiller, Thomas G. Cleary

… tested against intermediate-scale experiments on a vinyl-ester/glass composite. Characterization of rate of heat …

Effect of Block Thickness on Solvent Response of Block Copolymer Brushes: A Combinatorial Study With Block Copolymer Brush Gradients

March 1, 2006

Author(s)

Chang Xu, Tao Wu, Charles M. Drain, J Batteas, Michael J. Fasolka, Kathryn L. Beers

… of n-butyl methacrylate (BMA) and 2-(N,N-dimethylamino)ethyl methacrylate (DMAEMA) were synthesized via … AC, AFM, AFM, ANOVA, ATRP, Absorption, Absorption, Acid, Adhesion, Adhesive, Adhesive, Adhesives, Adhesives, …

Spatial variation in perfluoroalkyl acids in a population of wild American alligators (Alligator mississippiensis) at Merritt Island National Wildlife Refuge (MINWR) surrounding the Kennedy Space Center (KSC)

January 26, 2017

Author(s)

John Bowden, Jacqueline T. Bangma, Martin Jones, Russell H. Lowers, Frances Nilsen, Jessica L. Reiner, Thomas R. Rainwater, Stephen E. Somerville, Louis J. Guillette Jr.

… This study aimed to quantify fourteen perfluoroalkyl acids (PFAAs) in the plasma of a population of alligators … Spatial variation in perfluoroalkyl acids in a population of wild American alligators (Alligator …

In-Line Monitoring of Dielectric and Fluorescence Spectroscopy During Polymer/Filler Compounding

January 1, 2004

Author(s)

Anthony J. Bur, S C. Roth, Y E. Lee, N Noda, M M. McBrearty

… needed. The results of real-time monotoring of nylon 6 and ethyl vinyl acetate copolymer (EVA) compounded with organo …

Digital PCR for the Characterization of Reference Materials

February 14, 2024

Author(s)

Megan Cleveland, Hua-Jun He, Mojca Milavec, Young-Kyung Bae, Peter Vallone, Jim Huggett

… to ensuring the harmonization and accuracy of nucleic acid-based tests (such as qPCR); digital PCR (dPCR) can … measure the absolute concentration of a specific nucleic acid sequence in a background of non-target sequences, making it ideal for the characterization of nucleic acid-based reference materials. National Metrology Institutes …

Effects of Dentin Conditioning on Bond Strengths and Interfacial Morphology

October 16, 2008

Author(s)

Sabine H. Dickens

… with a polymerizable acidic conditioner that contains both acid and methacrylate functionalities. In this presentation, … of the tooth structure caused by the various acid and nonacid surface treatments and their effect on shear …

Collision-Induced Dissociation of Deprotonated Peptides. Relative Abundance of Side-Chain Neutral Losses, Residue-Specific Product Ions, and Comparison with Protonated Peptides

November 14, 2017

Author(s)

Yuxue Liang, Pedatsur Neta, Xiaoyu (Sara) Yang, Stephen E. Stein

… 137 peptides with 3 to 6 residues are studied. Many amino acid residues undergo neutral losses from their side chains. … arginine. In addition to the neutral losses, many amino acid residues in deprotonated peptides produce specific …

Small Angle Neutron Scattering Measurements of Snythetic Polymer Dispersions in Matrix-Assisted Laser Desorption/Ionization Matrixes

January 1, 2002

Author(s)

Barry J. Bauer, H M. Byrd, Kathleen M. Flynn

… 1 % DPS (6,050 g mol -1 ) in 2,5-dihydroxy benzoic acid, all-trans retinoic acid, and sinapinic acid also have large zero angle scattering characteristic of …

Conversion of 7-ketocholesterol to oxysterol metabolites by recombinant CYP27A1 and retinal pigment epithelial cells

June 1, 2011

Author(s)

Illarion V. Turko, Gun-Young Heo, Ilya Bederman, Natalia Mast, Wei-Li Liao, Irina A. Pikuleva

… and 3β-hydroxy-5-cholesten-7-one-26-oic acid, were detected in the RPE but not in the neural retina. … 3β-hydroxy-5-cholesten-7-one-26-oic acid, isotope dilution gas chromatography-mass spectrometry, …

Electrochemical Characterization and Immersion Corrosion of a Consolidated Silver Dental Biomaterial

October 1, 2001

Author(s)

H J. Mueller, R W. Hirthe

… Precipitated silver particles acid activated and consolidated with pressure to a final … acid activation, artifical saliva, cold welding …

Thermochemistry of Imidazolium-Based Ionic Liquids:Experiment and First-Principles Calculations

September 16, 2010

Author(s)

Chris D. Muzny, Sergey P. Verevkin, Vladimir N. Emel'yanenko, Dzmitry H. Zaitsau, Andreas Heintz, Michael D. Frenkel

… work the molar enthalpy of formation of the ionic liquid ethyl-methylimidazolium dicyanoamide in the gaseous phase …

Solution and Surface Composition Gradients via Microfluidic Confinement: Fabrication of a Statistical-Copolymer-Brush Composition Gradient

June 6, 2006

Author(s)

Chang Xu, Susan E. Barnes, Tao Wu, Daniel A. Fischer, Dean M. DeLongchamp, J Batteas, Kathryn L. Beers

… of n-butyl methacrylate (BMA) and 2-(dimethylamino)ethyl methacrylate (DMAEMA) via surface-initiated atom …

Surface-Grafted Block Copolymer Gradients: Effect of Block Length on Solvent Response

September 1, 2005

Author(s)

Chang Xu, Tao Wu, J Batteas, Charles M. Drain, Kathryn L. Beers, Michael J. Fasolka

… length over the library (here, poly[2-(N,N -dimethylamino)ethyl methacrylate], PDMAEMA). Our demonstration study maps …

Development of an Improved Standard Reference Material for Folate Vitamers in Human Serum

December 12, 2022

Author(s)

Johanna Camara, Jeanita Pritchett, Yasmine Daniels, Mary Bedner, Michael Nelson, Mark Lowenthal, Zia Fazili, Christine Pfeiffer, Karen W. Phinney, Katherine E. Sharpless, Lane C. Sander, Katrice Lippa, James H. Yen, Adam Kuszak, Stephen Wise

… The presence of increased endogenous levels of folic acid and 5-methyltetrahydrofolate (5mTHF) in SRM 3949, enhanced folate stability via addition of ascorbic acid, and inclusion of values for additional minor folates … 15 individual donors, 5 of whom were given a 400-µg folic acid supplement 1 h prior to blood draw to increase serum …

Effects of Ultraviolet Radiation Exposure on Vinyl Ester Resins: Characterization of Chemical, Physical and Mechanical Damage.

December 1, 2002

Author(s)

A Signor, M R. Vanlandingham, Joannie W. Chin

… Effects of Ultraviolet Radiation Exposure on Vinyl Ester Resins: Characterization of Chemical, Physical and …

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