Journals

Investigation of the State of Water in Hydrating Layered and Amorphous Sodium Disilicate (Alkali-Silica Reactants) by Quasi-Elastic Neutron Scattering

October 12, 2021

Author(s)

J W. Phair, Richard A. Livingston, Craig Brown

The structure and state of water within hydrating layered and amorphous sodiumdisilicate were monitored for the first time using quasi-elastic neutron...

Possible Precursors and Products of Deep Hydrodesulfurization of Gasoline and DistillateFules III. The Thermodynamic Properties of 1,2,3,4-tetrahydrodibenzothiphene

October 12, 2021

Author(s)

W V. Steele, Robert D. Chirico, A B. Cowell, Anh D. Nguyen, S E. Knipmeyer

Measurements leading to the calculation of the standard thermydynamic properties for gaseous 1,2,3,4-tetrahydrodibenzothiophene (Chemical Sbstracts registry...

Direct Observation of Room Temperature Propylene Adsorption and Rehybridization on Supported Silver Using Synchrotron Radiation

October 12, 2021

Author(s)

J T. Ranney, Daniel A. Fischer, D H. Parker, R G. Bowman, G E. Hartwell, J L. Gland

The room-temperature chemisorption and rehybridization of propylene on dispersed silver supported on TiO 2 [anatase] has been observed for the first time...

Precise Dependence of the Triple-Point Temperature of Hydrogen on the Deuterium Content at Low Concentrations

October 12, 2021

Author(s)

B Fellmuth, Weston L. Tew

Unusual DNA Conformations From Intron 21 of the PKD1 Gene Cause Mutagenesis

October 12, 2021

Author(s)

A Bacolla, A Jaworski, A Larson, J P. Jakupciak, C D. O'Connell, R D. Wells

Intron 21 of the polycystic kidney disease 1 (PKD1) gene contains a 2.5 kbp of purine-pyrimidine asymmetry [poly(R-Y)] predicted to adopt unusual DNA structures...

Consensus Characterization of 16 FMR1 Reference Materials: A Consortium Study by the Fragile Xperts

October 12, 2021

Author(s)

Jean A. Wilson, Victoria M. Pratt, Amit Phansalkar, Kasinathan Muralidharan, W E. Highsmith, J C. Beck, Scott Bridgeman, Ebony M. Courtney, Lidia Epp, Andrea Ferreira-Gonzalez, Nick L. Hjelm, Leonard Holtegaard, Mohamed A. Jama, J P. Jakupciak, Monique A. Johnson, Paul Labrousse, Elaine Lyon, Thomas W. Prior, C D. Richards, Kristy L. Richie, Benjamin B. Roa, Elizabeth M. Rohlfs, Tina Sellers, Stephanie Sherman, Karen M. Siegrist, Lawrence M. Silverman, Joanna Wiszniewska, Lisa Kalman

Fragile X (FX) syndrome is caused by expansion of a (CGG)n repeat in the FMR1 gene, occurs in approximately 1:3500 males and causes mental retardation...

A Comparative AFM Study of the Compressibility and Friction of Unmodified and Oligo(ethylene oxide)-Modified Alkane Thiol SAMs on Au(111) Using Nanografting

October 12, 2021

Author(s)

Ying Hu, David J. Vanderah, Guangyao Liu, William J. Price, Milan Mrksich, G Scoles

Self-assembled monolayers (SAMs) terminated with oligo(ethylene glycol) (OEG) segments are known to resist non-specific protein adsorption and are used in...

Universal RNA Reference Materials for Gene Expression

October 12, 2021

Author(s)

M Cronin, K Ghosh, F Sistare, J Quackenbush, V L. Vilker, C D. O'Connell

A NIST sponsored workshop entitled Metrology and Standards Needs for Gene Expression Technologies: Universal RNA Standards was held on March 28-29, 2003 to...

Amino Acid Exchangeability from Experimental Data

October 12, 2021

Author(s)

L Y. Yampolsky, Arlin Stoltzfus

Amino acid sequence differences between proteins are often interpreted by reference to a pairwise measure of amino acid similarity, based either on observed...

Influence of Surface Coverage on the Conformation and Mobility of C₁₈ Modified Silica Gels

October 12, 2021

Author(s)

G Srinivasan, Lane C. Sander, K Muller

C18 modified silica gels with surface coverages of 2 mol/m2 to 8.2 mol/m2, were prepared by different synthetic pathways and characterized by Fourier Transform...

CCM Key Comparison in the Pressure Range 50 kPa to 1000 kPa (gas medium, gauge mode) - Phase A2: Pressure Measurements

October 12, 2021

Author(s)

J Jaeger, J C. Legras, G F. Molinar, James W. Schmidt

As a part of a wide CCM key comparison, this report gives the results of a comparison of pressure measurements in the range of gauge pressure 0,05 MPa to 1 MPa...

Ordered Water Monolayer on Ultra-Smooth Hydroxylated Amorphous SiO^d2

October 12, 2021

Author(s)

I M. Aarts, A C. Pipino, J P. Hoefnagels, W M. Kessels, M C. van de Sanden

Polarized near-IR evanescent wave absorption spectra reveal the structure of awater monolayer bound to an ultra-smooth hydroxylated amorphous SiO2 surfaceunder...

The Microwave Spectrum and Ground State Structure of H₂O-HI

October 12, 2021

Author(s)

A McIntosh, T Walther, R R. Lucchese, J W. Bevan, R D. Suenram, A C. Legon

The microwave spectrum and ground state structure of H^ 2O HI are reported. The fitted ground state constants include: A 0=428.9 GHz, B 0=2189.7351(10) MHz, C 0...

Recommendations for Improving Serum Creatinine Measurement: A Report From the Laboratory Working Group of the National Kidney Disease Education Program

October 12, 2021

Author(s)

Gary L. Myers, W. G. Miller, J Coresh, J Fleming, Neil Greenberg, T Greene, T Hostetter, A S. Levey, Mauro Panteghini, Michael J. Welch, John H. Eckfeldt

Background:The National Kidney Disease Education Program (NKDEP) has promulgated suggestions for diagnosing and treating chronic kidney disease (CKD). The...

Ab Initio Study of the Reactions Between a Series of Substituted Singlet Nitrenium Ions and Water

October 12, 2021

Author(s)

A A. Restrepo-Cossio, M Marquez, F Mari, Carlos A. Gonzalez

Highly correlated ab initio molecular orbital calculations have been used to study the energetics and mechanisms governing the reactions of a series of...

Recommended Practice for Calibrating Vacuum Gauges of the Thermal Conductivity Type

October 12, 2021

Author(s)

R E. Ellefson, A P. Miiller

The recommended procedures and apparatus are described for calibrating vacuum gauges of the thermal conductivity type in the pressure range 10 -1 Pa (10 -3 Torr...

Data-Driven and Peak-Based Feature Selection In Serum Protein Mass Spectrometry

October 12, 2021

Author(s)

Walter S. Liggett Jr, Peter E. Barker, O J. Semmes, L H. Cazares

Consider functional canonical correlation analysis (CCA) applied to disjoint sections of lengthy protein mass spectra for the purpose of finding long-distance...

Isothermal Kovats Retention Indices of Sulfur Compounds on Poly (5% Diphenyl/95% Dimethylsiloxane) Stationary Phase

October 12, 2021

Author(s)

K E. Miller, Thomas J. Bruno

Isothermal Kovats retention indices of 21 sulfur compounds relevant to the fuel gas and food industries are reported on a poly (5% diphenyl/95%dimethylsiloxane)...

Anthrax Toxin Functional Assay: Lethal Factor Binding to Protective Antigen Ion Channel

October 12, 2021

Author(s)

Kelly Halverson, R G. Panchal, T L. Nguyen, S Little, Martin Misakian, Sina Bavari, John J. Kasianowicz

Bacillus anthracis secretes three toxins (protective antigen, PA; lethal factor, LF; and edema factor, EF) that are the molecular basis of anthrax-induced cell...

Immunomodulatory Effects of Macrolide Antibiotics in Sulfur Mustard Exposed Airway Epithelial Cells: Quantum Dots-Mediated Immunocytochemical Analysis of iNOS and Diaminofluorescein-Mediated Flow Cytometric Analysis of Intracellular Nitric Oxide

October 12, 2021

Author(s)

X P. Gao, Radharaman Ray, Yan Xiao, Peter E. Barker, Prabhati Ray

Exposure of airway epithelial cells to 100 uM sulfur mustard significantly upregulated induced nitric oxide (iNOS) in cells. This response, quantitated by both...

Comparison of Extraction Methods for the Analysis of Ginkgo biloba Leaves and Ginkgo-Containing Tablets

October 12, 2021

Author(s)

S. Howerton, Kate Rimmer, Lane C. Sander

In preparation for the certification of three Standard Reference Materials containing Ginkgo biloba, three extraction techniques are compared. For the three...

A Loop in the N-terminal Region of MCM Mediates Communication With the Catalytic Domain

October 12, 2021

Author(s)

Nozomi Sakakibara, Rajesh Kasiviswanathan, E Melamud, Frederick P. Schwarz, Z Kelman

Minichromosome maintenance helicases are the presumptive replicative helicases, thought to separate the two strands of chromosomal DNA during replication. In...

Studies of Natural Organic Matter (NOM) Rejection by Membrane Filtration: Part 1

October 12, 2021

Author(s)

J Cho, G Amy, J J. Pellegrino

Abstract not provided.

Crystal Structure of the Escherichia Coli CobW Protein Suggests a GTP-Dependent Regulatory Function in the Cobalamin Synthesis Pathway

October 12, 2021

Author(s)

P P. Khil, R D. Camerini-Otero, A Teplyakov, G Obmolova, A J. Howard, G L. Gilliland

The crystal structure determination of E. coli CobW was undertaken as part of a structural genomics effort (http://s2f.carb.nist.gov) in order to assist with...

Development and Validation of a Spectral Library Searching Method for Peptide Identification from Tandem Mass Spectrometry

October 12, 2021

Author(s)

Henry Lam, Eric Deutsch, James E. Eddes, Jimmy K. Eng, Nichole King, Stephen Stein, H. Ueda

A notable inefficiency of shotgun proteomics experiments lie in the repeated rediscovery of the same identifiable peptides by sequence database searching...

Structure and Reactivity of the Hydrated Hematite (0001) Surface

October 12, 2021

Author(s)

T P. Trainor, Anne M. Chaka, P J. Eng, M Newville, G A. Waychunas, J G. Catalano, G E. Brown

Hematite (alpha-Fe 2 O 3 ) is significantly more reactive to water and metal ions than its isostructure corundum (alpha-Al 2 O 3u) under environmental...

A Predictive Formula for the Electron Stopping Power

October 12, 2021

Author(s)

Aleksander Jablonski, S Tanuma, Cedric J. Powell

We describe the development of a new analytical formula for the electron stopping power (SP) for electron energies between 200 eV and 30 keV. This formula...

Solution Analysis by Threading Single Molecules Through a Self-Assembled Nanometer-Scale Pore

October 12, 2021

Author(s)

John J. Kasianowicz, S. E. Henrickson, B Robertson, H H. Weetall

We show here the principles for using a single nanometer-scale pore to detect a wide variety of analytes (e.g. small ions, proteins, antigens, antibodies, DNA...

3.4 kb Mitochondrial Genome Deletion Serves as a Surrogate Predictive Biomarker for Prostate Cancer in Histopathologically Benign Biopsy Cores

October 12, 2021

Author(s)

Ryan L. Parr, Rajiv Dhir, J P. Jakupciak, Brian Reguly, William Montelpare, Gabriel D. Dakubo

Recently, we described a 3.4kb mitochondrial genome deletion having significance for identifying both malignant and benign prostate tissues (p

Arsenic and Antimony Implantations in SiC

October 12, 2021

Author(s)

J R. Tucker, M Rao, O W. Holland, P Chi, N A. Papanicolaou, J A. Freitas

Single and multiple energy As and Sb implantations were performed into p-type 6H-SiC epitaxial layers at room temperature (RT) and 800 degrees C. Secondary ion...