U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Search Publications

NIST Authors in Bold

Displaying 151 - 175 of 1412

Industrial Sludge Reference Material for the Analysis of Acid-Extractable Metals

August 1, 1999
Author(s)
Stuart J. Nagourney, N J. Tummillo, J Birri, K Peist, Bruce S. MacDonald, J S. Kane
… andanalysis methodologies. Reference values for the acid-extractable concentrations of more than fifteen metals … emission spectrometry, Acid-extractable, flame atomic absorption spectrometry, … Industrial Sludge Reference Material for the Analysis of Acid-Extractable Metals …

Characterization of AlgMsp, an Alginate Lyase from Microbulbifer sp. 6532A

November 19, 2014
Author(s)
Jeffrey W. Hudgens, Steven M. Swift, Ryan D. Heselpoth, Patrick M. Bales, Daniel C. Nelson
… certain seaweeds and bacteria that consists of mannuronic acid and guluronic acid residues. Seaweed alginate is used in food and … Comparing activity of the lyase against polymannuronic acid and polyguluronic acid substrates showed higher specific … alginate, lyase, polysaccharide degradation, polymannuronic acid, polyguluronic acid, oligo-uronates, Microbulbifer …

Antibacterial amorphous calcium phosphate nanocomposite with quaternary ammonium salt and silver nanoparticles

February 2, 2012
Author(s)
Nancy Lin, Lei Cheng, Michael D. Weir, Hockin H. Xu, Joseph M. Antonucci, Alison M. Kraigsley, Sheng Lin-Gibson, Xuedong Zhou
… antibacterial activity. Methods. Bis(2-methacryloyloxy-ethyl) dimethyl-ammonium bromide, the QADM, was synthesized … mutans) and the CFU counts, metabolic activity, and lactic acid production of the biofilms were measured. Results. The … commercial composites. The metabolic activity and lactic acid production of the biofilms were also greatly reduced on …

Effect of Powder Grinding on Hydroxyapatite Formation in a Polymeric Calcium Phosphate Cement Prepared from Tetracalcium Phosphate and Poly[Methyl Vinyl Ether-Maleic Acid]

November 1, 1998
Author(s)
Y Matsuya, S Matsuya, Joseph M. Antonucci, S. Takagi, Laurence C. Chow, A Akamine
… if cement based on poly(methyl vinyl ether-maleic acid) (PMVE-Ma) and tetracalcium phosphate (TTCP) resulted in … acid-base reaction, hydroxyapatite, particle size, poly (vinyleter-maleic acid), tetracalcium phosphate, x-ray analysis, Dentistry … Tetracalcium Phosphate and Poly[Methyl Vinyl Ether-Maleic Acid] …

Determination of Perfluorinated Alkyl Acid Concentrations in Biological Standard Reference Materials

April 4, 2012
Author(s)
Jessica L. Reiner, Jennifer M. Lynch, Michele M. Schantz, Steven O'Connell, Craig M. Butt, Scott Mabury, Jeff Small, Amila De Silva, Derek Muir, Amy D. Delinsky, Mark J. Strynar, Andrew B. Lindstrom, William K. Reagen, Michelle Malinsky, Sandra Schafer, Christiaan Kwadijk
… Determination of Perfluorinated Alkyl Acid Concentrations in Biological Standard Reference Materials …

A Thermodynamic Investigation of Some Reactions Involving Prephenic Acid

February 1, 1999
Author(s)
N Kishore, Marcia J. Holden, Yadu D. Tewari, Robert N. Goldberg
… 4-hydroxyphenylpyruvic acid, enthalpy, phenylpyruvic acid, prephenate dehydratase, prephenate dehydrogenase, prephenic acid, Β-nicotinamide-adenine dinucleotide … Investigation of Some Reactions Involving Prephenic Acid …

Manganese(III) Biliverdin IX Dimethyl Ester: A Powerful Catalytic Scavenger of Superoxide Employing the Mn(III)/Mn(IV) Redox Couple

February 1, 2001
Author(s)
I Spasojevic, I Batinic-Haberle, R D. Stevens, P Hambright, A N. Thorpe, J Grodkowski, Pedatsur Neta, I Fridovich
… A manganese(III) complex of biliverdin IX dimethyl ester, Mn III BVDME} 2 was prepared and characterized by … and to the enolic oxygen of another biliverdin dimethyl ester molecule. This type of coordination stabilizes the + 4 … Manganese(III) Biliverdin IX Dimethyl Ester: A Powerful Catalytic Scavenger of Superoxide Employing …

Vitamin E does not Disturb Polyunsaturated Fatty Acid Lipid Domains

November 1, 2022
Author(s)
Mitchell DiPasquale, Michael H. Nguyen, Stuart R. Castillo, Isabelle J. Dib, Elizabeth Kelley, Drew Marquardt
… research has connected vitamin E to polyunsaturated fatty acid (PUFA) lipids. Here, we use contrast-matched small angle … vitamin E, tocopherol, polyunsaturated fatty acid (PUFA), domains, phase separation, small angle neutron … Vitamin E does not Disturb Polyunsaturated Fatty Acid Lipid Domains …

Effects of Water, Salt Solution and Simulated Concrete Pore Solution on the Properties of Composite Matrix Resins Used in Civil Engineering Applications

April 1, 2001
Author(s)
Joannie W. Chin, K Aouadi, M R. Haight, W Hughes, Tinh Nguyen
… to these environments. Resin systems studied were vinyl ester and isophthalic polyester, both of which are proposed … to and following exposure revealed varying degrees of ester hydrolysis. … polyester, polymer composites, salt solution, vinyl ester, water …

Dental Adhesion With Self-Etching, Polymerization-Initiating Primers

October 16, 2008
Author(s)
Joseph M. Antonucci, C A. Khatri, Gary E. Schumacher, J E. Code, T Nikaido
… it was shown that the application of N-phenyliminodiacetic acid (PIDAA) both etches and activates dentinal surfaces for … two aliphatic iminodiacetic acids, N-methyliminodiacetic acid (MIDAA) and N-2-hydroxyethyliminodiacetic acid (HEIDAA), where compared with three aryliminodiacetic …

NIST Micronutrients Measurement Quality Assurance Program Winter 2015 Comparability Studies: Results for Round Robin LXXVII Fat-Soluble Vitamins and Carotenoids in Human Serum and Round Robin 42 Ascorbic Acid in Human Serum

July 28, 2016
Author(s)
Jeanice M. Brown Thomas, David L. Duewer
… in Human Serum and 2) Round Robin 42 Total Ascorbic Acid in Human Serum. The materials for both studies were … in Human Serum and Round Robin 43 Total Ascorbic Acid in Human Serum were also shipped in the same shipping … Total and Trans-beta-Carotene, Total Ascorbic Acid …

NIST Micronutrients Measurement Quality Assurance Program (Winter 2014 Comparability Studies): Results for Round Robin LXXV Fat-Soluble Vitamins and Carotenoids in Human Serum and Round Robin 40 Ascorbic Acid in Human Serum

September 29, 2015
Author(s)
Jeanice M. Brown Thomas, David L. Duewer
… in Human Serum and 2) Round Robin 40 Total Ascorbic Acid in Human Serum. The materials for both studies were … in Human Serum and Round Robin 41 Total Ascorbic Acid in Human Serum were also shipped in the same shipping … Total and Trans-beta-Carotene Total Ascorbic Acid …
Displaying 151 - 175 of 1412
Was this page helpful?