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Displaying 251 - 275 of 1412

NIST Micronutrients Measurement Quality Assurance Program Summer 2015 Comparability Studies: Results for Round Robin LXXVIII Fat-Soluble Vitamins and Carotenoids in Human Serum and Round Robin 43 Ascorbic Acid in Human Serum

July 28, 2016
Author(s)
Jeanice M. Brown Thomas, David L. Duewer
… in Human Serum and 2) Round Robin 43 Total Ascorbic Acid in Human Serum. To avoid increasing participation fees, … Total and Trans-beta-Carotene, Total Ascorbic Acid … and Carotenoids in Human Serum and Round Robin 43 Ascorbic Acid in Human Serum …

NIST Micronutrients Measurement Quality Assurance Program (Summer 2014 Comparability Studies): Results for Round Robin LXXVI Fat-Soluble Vitamins and Carotenoids in Human Serum and Round Robin 41 Ascorbic Acid in Human Serum

September 29, 2015
Author(s)
Jeanice M. Brown Thomas, David L. Duewer
… in Human Serum and 2) Round Robin 41 Total Ascorbic Acid in Human Serum. To avoid increasing participation fees, … Total and Trans-beta-Carotene Total Ascorbic Acid … and Carotenoids in Human Serum and Round Robin 41 Ascorbic Acid in Human Serum …

Perfluorinated Alkyl Acids and Fecundity Assessment in Striped mullet (Mugil cephalus) at Merritt Island National Wildlife Refuge

April 1, 2018
Author(s)
John Bowden, Jacqueline T. Bangma, Jessica L. Reiner, Russell H. Lowers, Theresa M. Cantu, Jacob Scott, Jeffery Korte, Douglas M. Scheidt, Chris McDonough, Jonathan Tucker, Eric Reyier, Douglas H. Adams, Bonnie Ahr, Brenton Back
… Wildlife Refuge (MINWR) for levels of 15 perfluoroalkyl acids (PFAAs) in tandem with fecundity measurements (n = 42) … changes by sub-stage of oocyte development, the carboxylic acids (perfluorooctanoic acid, perfluorononanoic acid, and … Perfluorinated Alkyl Acids and Fecundity Assessment in Striped mullet (Mugil …

Acid-induced and pH-controlled Reversible Switching of Broad-Spectrum Antibacterial Activity

February 13, 2018
Author(s)
Yin Y. Nelson, Vytautas Reipa, Xiaohong Wang, Kenneth Mineart, Vivek M. Prabhu, Nancy J. Lin, Jirun Sun
… the antibacterial efficacy is boosted by adding acid and controlled by pH between 4 to 8 through reversible … its physicochemical properties also shift accordingly. The acid-induced, pH-controlled antibacterial activity results … bacterial growth in response to the metabolic activity of acid-producing bacteria and biofilms. …

NIST Micronutrients Measurement Quality Assurance Program Winter, Spring, and Fall 1996 Comparability Studies: Results for Round Robin XXXVI, XXXVII, and XXXVIII Fat-Soluble Vitamins and Carotenoids in Human Serum and Round Robin 9 Ascorbic Acid in Human

August 7, 2013
Author(s)
David L. Duewer, Margaret C. Kline, Katherine E. Sharpless, Jeanice M. Brown Thomas, Sam A. Margolis
… Carotenoids in Human Serum, and 4) Round Robin 9 Ascorbic Acid in Human Serum. The materials for Round Robin XXXVI were … γ-Tocopherol, Total and Trans-beta-Carotene, Ascorbic Acid … and Carotenoids in Human Serum and Round Robin 9 Ascorbic Acid in Human …

Repair of oxidative DNA damage in Drosophila melanogaster: identification and characterization of dOgg1, a second DNA glycosylase activity for 8-hydroxyguanine and formamidopyrimidines

December 1, 2000
Author(s)
C. Dherin, M. Dizdaroglu, H. Doerflinger, S. Boiteux, J. P. Radicella
In Drosophila, the S3 ribosomal protein has been shown to act as a DNA glycosylase/AP lyase capable of releasing 8-hydroxyguanine (8-OH-Gua) in damaged DNA. Here we describe a second Drosophila protein (dOggl) with 8-OH-Gua and abasic (AP) site DNA repair

Form of Deprotection in Chemically Amplified Resists

September 1, 2003
Author(s)
Ronald L. Jones, T J. Hu, Vivek M. Prabhu, Christopher L. Soles, Eric K. Lin, Wen-Li Wu, D L. Goldfarb, M Angelopoulos
… of the form of the deprotection path created by individual acid molecules common to chemically amplified resists. The … acid diffusion, neutron scattering, Photolithography, …

Effect of Moisture on Copolymer Fibers based on 5-amino-2-(p-aminophenyl)-benzimidazole

October 4, 2011
Author(s)
Guillaume Messin, Stephanie S. Watson, Amanda L. Forster, John R. Sieber
… can release hydrochloric acid, which could potentially be detrimental to other fibers … a study was designed to investigate the generation of acid in different environments from these fibers. During the … the fiber samples studied released a sufficient amount of acid to drop the pH of the solution from approximately pH 6.0 …

Effect of Moisture on Copolymer Fibers based on 5-amino-2-(p-aminophenyl)-benzimidazole.

September 6, 2010
Author(s)
Guillaume Messin, Amanda L. Forster, Kirk D. Rice, Michael A. Riley, Stephanie S. Watson
… can release hydrochloric acid, which could potentially be detrimental to other fibers … issue, a study was designed to evaluate the generation of acid in different environments from these fibers. During the … the fiber samples studied released a sufficient amount of acid to reduce the pH of the solution from approximately pH …

IUPAC/NIST Solubility Database

October 16, 2008
Author(s)
G R. Dalton, Angela Y. Lee, S L. Young
A database containing solubilities originally published in the International Union for Pure and Applied Chemistry (IUPAC)-NIST Solubility Data Series has been made available online. The data were originally published in eleven volumes of the Solubility

Acid Gas Production in Inhibited Diffusion Flames

May 3, 1994
Author(s)
Gregory T. Linteris, M D. King, A Liu, C A. Womeldorf, Y. E. Hsin
… transport-related mechanisms important in producing these acid gases, a series of inhibited flame tests have been … importance of agent transport and chemical kinetics on the acid gas production rates. These experimental results were … Acid Gas Production in Inhibited Diffusion Flames …

NIST Micronutrients Measurement Quality Assurance Program Winter, Spring, and Fall 1992 Comparability Studies: Results for Round Robins XXIV, XXV, and XXVI Fat-Soluble Vitamins and Carotenoids in Human Serum and Round Robin 3 Ascorbic Acid in Human Serum

December 19, 2014
Author(s)
Jeanice M. Brown Thomas, Neal E. Craft, David L. Duewer, Kline Margaret, Sam A. Margolis, Willie E. May, Katherine E. Sharpless
… Carotenoids in Human Serum, and 4) Round Robin 3 Ascorbic Acid in Human Serum. The materials for Round Robin XXIV were … gamma-Tocopherol, Total and Trans-beta-Carotene, Ascorbic Acid … and Carotenoids in Human Serum and Round Robin 3 Ascorbic Acid in Human Serum …

NIST Micronutrients Measurement Quality Assurance Program Winter, Spring, and Fall 1993 Comparability Studies: Results for Round Robins XXVII, XXVIII, and XXIX Fat-Soluble Vitamins and Carotenoids in Human Serum and Round Robin 4 Ascorbic Acid in Human Se

December 19, 2014
Author(s)
Jeanice M. Brown Thomas, David L. Duewer, Kline Margaret, Sam A. Margolis, Willie E. May, Katherine E. Sharpless
… Carotenoids in Human Serum, and 4) Round Robin 4 Ascorbic Acid in Human Serum. The materials for Round Robin XXVII were … gamma-Tocopherol, Total and Trans-beta-Carotene, Ascorbic Acid … and Carotenoids in Human Serum and Round Robin 4 Ascorbic Acid in Human Se …

Lessons From the NIST Micronutrients Quality Assurance Program for Vitamin C, 1993 to 2015: Sample Stability, Assay Reproducibility, and Use of Controls to Improve Comparability

November 11, 2020
Author(s)
David L. Duewer, Jeanice M. Brown Thomas, Katherine E. Sharpless, S A. Margolis
… vitamin C is most meaningfully analyzed as total ascorbic acid (TAA). From 1993 through 2015, the National Institute of … with 10 % mass concentration aqueous metaphosphoric acid (MPA) and stored at −80 °C. The between-participant … Ascorbic Acid, Interlaboratory Studies, Normalization, …

NIST Micronutrients Measurement Quality Assurance Program Winter, Spring, and Fall 1998 Comparability Studies: Results for Round Robin XLII, XLIII, and XLIV Fat-Soluble Vitamins and Carotenoids in Human Serum and Round Robin 11 Ascorbic Acid in Human Seru

August 7, 2013
Author(s)
David L. Duewer, Margaret C. Kline, Katherine E. Sharpless, Jeanice M. Brown Thomas, Sam A. Margolis
… Carotenoids in Human Serum, and 4) Round Robin 11 Ascorbic Acid in Human Serum. The materials for Round Robin XLII were … γ-Tocopherol, Total and Trans-beta-Carotene, Ascorbic Acid, SRM 970 … and Carotenoids in Human Serum and Round Robin 11 Ascorbic Acid in Human Seru …

Effect of In Vitro Acidification on Plaque Fluid Composition With and Without a NaF or a Controlled-Release Fluoride Rinse

September 1, 1999
Author(s)
Gerald L. Vogel, Z Zhang, Laurence C. Chow, Clifton M. Carey, Gary E. Schumacher, D Banting
… reservoirs in resting plaque. In this study, the in vitro acid-induced release of fluoride, and other ions, was … of fluoride deposited in the plaque. However, following acid addition, an increase in free calcium and phosphate was … acid, fluoride, ions, plaque fluid, rinses …

NEXAFS Measurements of the Surface Chemistry of Chemically Amplified Photoresists

September 1, 2003
Author(s)
E Jablonski, M Angelopoulos, H Ito, Joseph~undefined~undefined~undefined~undefined~undefined Lenhart, S Sambasivan, Daniel A. Fischer, Ronald L. Jones, Eric K. Lin, Wen-Li Wu, D L. Goldfarb, K Temple
… model chemically amplified photoresists with various photo-acid generators. These materials are prone to interfacial and … If interfacial excess or depletion of the photo-generated acid occurs, either from atmospheric contamination, … NEXAFS, photo-acid generator, photoresist, surface chemistry …
Displaying 251 - 275 of 1412
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