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Displaying 176 - 200 of 1412

Value Assignment of Standard Reference Material(R) 1849b Infant/Adult Nutritional Formula I

August 26, 2024
Author(s)
Melissa M. Phillips, Bruce Scruggs, Elena Wood, Lee L. Yu, James H. Yen, Charles Barber, John Sieber, Laura Wood
The National Institute of Standards and Technology (NIST) Standard Reference Material® (SRM®) 1849b Infant/Adult Nutritional Formula I delivers certified or non-certified values for over 100 analytes. This material is intended to be used for the evaluation

Value Assignment of Standard Reference Material(R) 1849b Infant/Adult Nutritional Formula I

January 6, 2023
Author(s)
Melissa M. Phillips, Laura Wood, Charles Barber, Bruce Scruggs, John Sieber, James H. Yen, Lee L. Yu
The National Institute of Standards and Technology (NIST) Standard Reference Material® (SRM®) 1849b Infant/Adult Nutritional Formula I delivers certified or non-certified values for over 100 analytes. This material is intended to be used for the evaluation

Kinematics of the Sagittarius B2(N-LMH) Molecular Core

October 1, 2003
Author(s)
J M. Hollis, J A. Pedelty, D A. Boboltz, S Y. Liu, Lewis E. Snyder, Patrick Palmer, Francis J. Lovas, P R. Jewell
… Ethyl cyanide (CH3CH2CN) emission and absorption have been … mm). The 1.5 x 1.4 VLA beam shows two principal sources of ethyl cyanide emission: an unresolved source similar to5 … for the 7(07) - 6(06) rotational transition of the amino acid glycine (NH2CH2COOH) at 43.7 GHz toward Sgr B2(N-LMH) …

Changes in the Chemical Composition of Polyethylene Terephthalate Under UV Radiation in Various Environmental Conditions

August 8, 2024
Author(s)
Li Piin Sung, Rachel Cook, Chunlei Fan, YueJin Li, Sara Rostampour
… exposure time. The results showed that the cleavage of the ester bond at peak 1713 cm−1 and the formation of the carboxylic acid at peak 1685 cm−1 were significantly influenced by UV radiation. Furthermore, the formation of carboxylic acid was considerably higher at saturated humidity and 50 ◦C …

NIST Micronutrients Measurement Quality Assurance Program Winter, Spring, and Fall 1995 Comparability Studies: Results for Round Robins XXXIII, XXXIV, and XXXV Fat-Soluble Vitamins and Carotenoids in Human Serum and Round Robins 7 and 8 Ascorbic Acid in H

April 25, 2014
Author(s)
David L. Duewer, Margaret C. Kline, Katherine E. Sharpless, Jeanice M. Brown Thomas, Sam A. Margolis
… and Carotenoids in Human Serum, 4) Round Robin 7 Ascorbic Acid in Human Serum, and 5) Round Robin 8 Ascorbic Acid in Human Serum. The materials for Round Robin XXXIII … γ-Tocopherol, Total and Trans-beta-Carotene, Ascorbic Acid … in Human Serum and Round Robins 7 and 8 Ascorbic Acid in H …

Blends of Fatty-Acid-Modified Dendrimers With Polyolefins

January 1, 2000
Author(s)
Barry J. Bauer, A Ramzi, D W. Liu, R L. Scherrenberg, P Froehling, J Joosten
… Blends were made by solution and melt mixing fatty acid modified dendrimers with various polyolefins. Small … 2 ) y ) with y = 4, 16, and 64, were reacted with stearic acid or stearic acid-d 35 forming amide bonds. The modified dendrimers were … Blends of Fatty-Acid-Modified Dendrimers With Polyolefins …

Gas-Foamed Scaffold Gradients for Combinatorial Screening in 3D

May 1, 2012
Author(s)
Carl G. Simon Jr., Kaushik Chatterjee, Alison M. Kraigsley, Joachim Kohn, Durgadas Bolikal
… polycarbonates: poly(desaminotyrosyl-tyrosine ethyl ester carbonate) (pDTEc) and poly(desaminotyrosyl-tyrosine octyl ester carbonate) (pDTOc). The composition of the libraries …

Competition Between Intra-and Inter-Molecular Hydrogen Bonding: Effect on Para/Ortho Adsorptive Selectivity for Substituted Phenols

February 1, 2000
Author(s)
A J. Glemza, K L. Mardis, A A. Chaudhry, M K. Gilson, G F. Payne
… phenol derivatives from a nonpolar solvent onto an acrylic ester sorbent. Experimental results show that p-methyl … and ab initio calculations using the small molecule ethyl propionate (EP) as an analogue of the hydrogen bond accepting site of the acrylic ester sorbent. Free energy calculations show that p-MHB and …

Cross Sectional Determination of Perfluorinated Compounds in the Upper Mississippi River Basin

May 4, 2010
Author(s)
Jessica L. Reiner, Shoji F. Nakayma, Mark J. Strynar, Amy D. Delinsky, Andrew B. Lindstrom
… as perfluorooctane sulfonate (PFOS) and perfluorooctanoic acid (PFOA) in surface water, little has been published on … 10 ng/L. The most abundant PFCs were perfluorobutanoic acid (C4; 77% > LOQ), perfluorooctanoic acid (C8; 73%), perfluorooctane sulfonate (PFOS; 71%), …

NIST Micronutrients Measurement Quality Assurance Program Summer 2001 Comparability Studies: Results for Round Robin L Fat-Soluble Vitamins and Carotenoids in Human Serum and Round Robin 15 Ascorbic Acid in Human Serum

June 27, 2013
Author(s)
David L. Duewer, Katherine E. Sharpless, Jeanice M. Brown Thomas, Sam A. Margolis
… in Human Serum and 2) Round Robin 15 Total Ascorbic Acid in Human Serum. The materials for both studies were … Total and Trans-beta-Carotene, Total Ascorbic Acid … and Carotenoids in Human Serum and Round Robin 15 Ascorbic Acid in Human Serum …

NIST Micronutrients Measurement Quality Assurance Program Summer 2007 Comparability Studies: Results for Round Robin LXII Fat-Soluble Vitamins and Carotenoids in Human Serum and Round Robin 27 Ascorbic Acid in Human Serum

August 5, 2013
Author(s)
David L. Duewer, Jeanice M. Brown Thomas
… in Human Serum and 2) Round Robin 27 Total Ascorbic Acid in Human Serum. The materials for both studies were … Total and Trans-beta-Carotene, Total Ascorbic Acid … and Carotenoids in Human Serum and Round Robin 27 Ascorbic Acid in Human Serum …

NIST Micronutrients Measurement Quality Assurance Program Summer 2008 Comparability Studies: Results for Round Robin LXIV Fat-Soluble Vitamins and Carotenoids in Human Serum and Round Robin 29 Ascorbic Acid in Human Serum

August 5, 2013
Author(s)
David L. Duewer, Jeanice M. Brown Thomas
… in Human Serum and 2) Round Robin 29 Total Ascorbic Acid in Human Serum. The materials for both studies were … γ-Tocopherol, Total and Trans-ß-Carotene, Total Ascorbic Acid … and Carotenoids in Human Serum and Round Robin 29 Ascorbic Acid in Human Serum …

NIST Micronutrients Measurement Quality Assurance Program Summer 2009 Comparability Studies: Results for Round Robin LXVI Fat-Soluble Vitamins and Carotenoids in Human Serum and Round Robin 31 Ascorbic Acid in Human Serum

August 5, 2013
Author(s)
David L. Duewer, Jeanice M. Brown Thomas
… in Human Serum and 2) Round Robin 31 Total Ascorbic Acid in Human Serum. The materials for both studies were … γ-Tocopherol, Total and Trans-ß-Carotene, Total Ascorbic Acid … and Carotenoids in Human Serum and Round Robin 31 Ascorbic Acid in Human Serum …

NIST Micronutrients Measurement Quality Assurance Program Winter 2007 Comparability Studies: Results for Round Robin LXI Fat-Soluble Vitamins and Carotenoids in Human Serum and Round Robin 26 Ascorbic Acid in Human Serum

August 5, 2013
Author(s)
David L. Duewer, Jeanice M. Brown Thomas
… in Human Serum and 2) Round Robin 26 Total Ascorbic Acid in Human Serum. The materials for both studies were … γ-Tocopherol, Total and Trans-ß-Carotene, Total Ascorbic Acid … and Carotenoids in Human Serum and Round Robin 26 Ascorbic Acid in Human Serum …

NIST Micronutrients Measurement Quality Assurance Program Winter 2009 Comparability Studies: Results for Round Robin LXV Fat-Soluble Vitamins and Carotenoids in Human Serum and Round Robin 30 Ascorbic Acid in Human Serum

August 5, 2013
Author(s)
David L. Duewer, Jeanice M. Brown Thomas
… in Human Serum and 2) Round Robin 30 Total Ascorbic Acid in Human Serum. The materials for both studies were … γ-Tocopherol, Total and Trans-ß-Carotene, Total Ascorbic Acid … and Carotenoids in Human Serum and Round Robin 30 Ascorbic Acid in Human Serum …

NIST Micronutrients Measurement Quality Assurance Program Summer 2010 Comparability Studies: Results for Round Robin LXVIII Fat-Soluble Vitamins and Carotenoids in Human Serum and Round Robin 33 Ascorbic Acid in Human Serum

August 2, 2013
Author(s)
David L. Duewer, Jeanice M. Brown Thomas
… in Human Serum and 2) Round Robin 33 Total Ascorbic Acid in Human Serum. The materials for both studies were … γ-Tocopherol, Total and Trans-ß-Carotene, Total Ascorbic Acid … and Carotenoids in Human Serum and Round Robin 33 Ascorbic Acid in Human Serum …

NIST Micronutrients Measurement Quality Assurance Program Summer 2011 Comparability Studies Results for Round Robin LXX Fat-Soluble Vitamins and Carotenoids in Human Serum and Round Robin 35 Ascorbic Acid in Human Serum

August 2, 2013
Author(s)
David L. Duewer, Jeanice M. Brown Thomas
… in Human Serum and 2) Round Robin 35 Total Ascorbic Acid in Human Serum. The materials for both studies were … ¿-Tocopherol, Total and Trans-ß-Carotene, Total Ascorbic Acid … and Carotenoids in Human Serum and Round Robin 35 Ascorbic Acid in Human Serum …

NIST Micronutrients Measurement Quality Assurance Program Winter 2011 Comparability Studies: Results for Round Robin LXIX Fat-Soluble Vitamins and Carotenoids in Human Serum and Round Robin 34 Ascorbic Acid in Human Serum

August 2, 2013
Author(s)
David L. Duewer, Jeanice M. Brown Thomas
… in Human Serum and 2) Round Robin 34 Total Ascorbic Acid in Human Serum. The materials for both studies were … γ-Tocopherol, Total and Trans-ß-Carotene, Total Ascorbic Acid … and Carotenoids in Human Serum and Round Robin 34 Ascorbic Acid in Human Serum …

NIST Micronutrients Measurement Quality Assurance Program Summer 2002 Comparability Studies: Results for Round Robin LII Fat-Soluble Vitamins and Carotenoids in Human Serum and Round Robin 17 Ascorbic Acid in Human Serum

June 27, 2013
Author(s)
David L. Duewer, Katherine E. Sharpless, Margaret C. Kline, Jeanice M. Brown Thomas, Sam A. Margolis
… in Human Serum and 2) Round Robin 17 Total Ascorbic Acid in Human Serum. The materials for both studies were … Total and Trans-beta-Carotene, Total Ascorbic Acid … and Carotenoids in Human Serum and Round Robin 17 Ascorbic Acid in Human Serum …
Displaying 176 - 200 of 1412
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