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Displaying 901 - 925 of 1412

Confinement Effects on Mositure Absorption Kinetics in Polyelectrolyte Films

September 1, 2003

Author(s)

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

… of water into thin poly(4-ammonium styrenesulfonic acid) films from saturated vapor at 25 C. The effect of film …

Influence of [Ba+Ca]/[Ti+Zr] Ratio on the Interfacial Property of (Ba, Ca)(Ti, Zr)O 3 (BCTZ) Powders in an Aqueous Medium

June 3, 2003

Author(s)

James Lee, S K. Lee, Vincent A. Hackley, U Paik

… A-sites on the perovskite lattice, dissolve during acid titration resulting in surface depletion of A-site …

The Influence of the Laser Energy and Matrix of MALDI on the Molecular Mass Distribution of Poly(ethylene glycol)

March 1, 2003

Author(s)

S Wetzel, Charles M. Guttman, Kathleen M. Flynn

… matrixes were considered, dithranol, all trans-retinoic acid and DHB. Statistical analyses of the molecular mass …

The Effect of Si Dissolution on the Stability of Silica Particles and its Influence on Chemical Mechanical Polishing for Interlayer Dielectrics

December 1, 2001

Author(s)

U Paik, J P. Kim, Y S. Yung, T Katoh, Jinkyoo Park, Vincent A. Hackley

… silica layer is dissolved with the formation of silicic acid and, subsequently, ionized silicate species that results …

The Claisen Rearrangement of an Unusual Substrate in Chorismate Mutase

July 1, 2001

Author(s)

S. E. Worthington, Morris Krauss

… The possibility of ultimately obtaining an unusual amino acid by this pathway is discussed. …

'Supercritical Water' Density Effects on the Rate of Isopropanol Dehydration

January 1, 2001

Author(s)

V I. Anikeev, Jeffrey A. Manion, A Ermakova

… from that observed in the presence of a homogeneous acid catalyst and, secondly, the rate of the reaction …

Assignment of Enzyme Substrate Specificity by Principal Component Analysis of Aligned Protein Sequences: An Experimental Test Using DNA Glycosylase Homologues

January 1, 2000

Author(s)

A Gogos, D Jantz, K. J. Tuerk, D Richardson, M. Dizdaroglu, N D. Clarke

… We have studied the relationship between amino acid sequence and substrate specificity in a DNA glycosylase …

Characterizing and Fractionating Native Cellulose Nanofibers

Author(s)

Iulia A. Sacui, Jeffrey W. Gilman

… imaging shows that cellulose nanofibers obtained through acid hydrolysis are short rigid rods, while nanofibers …

Improvements in the Winkler Titration for Iodide in Iodized Salt

Author(s)

Kenneth W. Pratt, Karen E. Murphy

… based on bleach, potassium bromide and dilute hydrochloric acid, replaces hazardous pure bromine used in the classical …

NIST Special Publication 260 NIST.SP.260-256 Certification of Standard Reference Material(R)s 3672a & 3673a: Organic Contaminants in Smokers' Urine (Frozen) & Organic Contaminants in Non-Smokers' Urine (Frozen)

May 14, 2025

Author(s)

Ashley Russell, Carolyn Burdette, Johanna Camara, Nathanael Heckert, Jennifer Hoguet, Kevin Huncik, Jared Ragland, Elena Wood

Standard Reference Material (SRM) 3672a Organic Contaminants in Smokers' Urine (Frozen) and SRM 3673a Organic Contaminants in Non-Smokers' Urine (Frozen) are intended for use in evaluating analytical methods for the determination of selected naturally

Variable Gain DNA Nanostructure Charge Amplifiers for Biosensing

December 7, 2024

Author(s)

Jacob Majikes, Seulki Cho, Thomas Cleveland, James Liddle, Arvind Balijepalli

… alter their conformation upon binding a nucleic acid analyte to drastically, and reversibly, amplify the …

Divalent ions as mediators of carbonylation in cardiac myosin binding protein C

November 1, 2023

Author(s)

Christina Bergonzo, Baikuntha Aryal, Ashutosh Rao

… are colocalized with protein carbonylation-prone amino acid residues and that carbonylation of these residues can …

Structural Origin of Recovered Ferroelectricity in BaTiO3 Nanoparticles

August 24, 2023

Author(s)

Bruce D. Ravel, Trevor Tyson, Han Zhang, Sizhan Liu, SANJIT GHOSE, U.J. Idehenre, Yury Barnakov, S.A. Basun, D.R. Evans

… (10 nm) prepared by ball-milling a mixture of oleic acid and heptane have been reported to have an electric …

Characterization of the internal translation initiation region in monoclonal antibodies expressed in Escherichia coli

October 11, 2019

Author(s)

Erik M. Leith, William Brad O'Dell, Na Ke, Colleen McClung, Mehmet Berkmen, Christina Bergonzo, Robert G. Brinson, Zvi Kelman

… codon optimization for E. coli expression, and the amino acid motif from which it is derived was identified. The …

U.S. domestic cats as sentinels for perfluoroalkyl substances: Possible linkages with housing, obesity, and disease

August 2, 2016

Author(s)

Jessica L. Reiner, Andrew B. Lindstrom, Phillip C. Bost, Janice Dye, Jerry Zweigenbaum, Mark J. Strynar

… as perfluorooctane sulfonate (PFOS) and perfluorooctanoic acid (PFOA), are persistent, globally distributed, …

Anti-corrosive influence of Acetobacter biofilms on carbon steel

July 19, 2016

Author(s)

Danielle C. France

… aceti, can convert ethanol to the corrosive species acetic acid. This study presents a methodology for varying the …

Quantitative Evidence for Organic Peroxy Radical Photochemistry

December 12, 2014

Author(s)

William S. McGivern, Joseph Klems

… of secondary organic aerosol at 254 nm. Dodecanoic acid has been oxidized extensively in a flow cell by …

Polymer chain dynamics in weakly intercalated polymer/nanoplatelet mixtures

March 15, 2013

Author(s)

Kevin A. Masser, Hongyi Yuan, Chad R. Snyder, Alamgir Karim

… polymers, poly(epsilon-caprolactone) (PCL) and poly(lactic acid) (PLA) with small amounts of Cloisite 30B nanoplatelets …

Application of nanoporous silicon substrates for terahertz spectroscopy

December 20, 2012

Author(s)

Edwin J. Heilweil, Shu-Zee A. Lo, Gagan Kumar, Thomas E. Murphy

… range from 502000 cm􀀀1 (1.560 THz), for salicylic acid, dicyanobenzene, glycine, and aspertame. …

Reduced Flammability of Polyurethane Foam Using a Carbon Nanofiber-based Multilayer Nanocoating

April 10, 2011

Author(s)

Yeon S. Kim, Rick D. Davis, Jaime C. Grunlan, Amanda A. Cain

… of polyethyleneimine/CNF (cationic layer) and poly(acrylic acid) (anionic layer) contains (51 ± 1) mass fraction % CNFs. …

WATER TRANSPORT ACROSS A POLYMER ELECTROLYTE MEMBRANE UNDER THERMAL GRADIENTS

January 11, 2011

Author(s)

David L. Jacobson, Richard Fu, Takeshi Shiomi, Ugur Pasaogullari, Joshua Preston, Shinichi Miyazaki, Yuichiro Tabuchi, Daniel S. Hussey

… study of the water transport across a perfluorosulfonic acid (PFSA) membrane under a temperature gradient is …

An LC-ESI/MS Method for Determining Theanine in Green Tea Dietary Supplements

April 28, 2010

Author(s)

Mary Bedner, Lane C. Sander, Katherine E. Sharpless

… Theanine is the major amino acid present in Camellia sinensis, or green tea. A method for …

Chromatographic Separation of Single Wall Carbon Nanotubes

October 16, 2008

Author(s)

Barry J. Bauer, Vardhan Bajpai, Jeffrey Fagan, Matthew Becker, Erik K. Hobbie

… accomplished by covalent attachment of octadecyl amine to acid treated SWNT and by covalent attachment of butyl groups …

Ca Pre-Rinse Greatly Increases Plaque and Plaque Fluid F After a F Rinse

May 1, 2008

Author(s)

Gerald L. Vogel, Gary E. Schumacher, Laurence C. Chow, Shozo Takagi, Clifton M. Carey

… 5 times with pH 6.8 or pH 4.8 buffers and then by strong acid. The F in each extract after Ca rinse/F rinse greatly …

Effect of Irrigants and Cementum Injury on Diffusion of Hydroxyl Ions Through the Dentinal Tubules

January 1, 2008

Author(s)

Sherma Saif, Clifton M. Carey, Patricia Tordik

… with 3 mL and 1 mL of 17% ethylenediaminetetraacetic acid (EDTA) and 10 mL NaOCl, respectively. Groups 2, 4, 6 and …

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