Search Publications

NIST Authors in Bold

Displaying 1776 - 1800 of 1910

Measurement of a CD and Sidewall Angle Artifact with Two Dimensional CD AFM Metrology

May 1, 1996

Author(s)

Ronald G. Dixson, N. Sullivan, J Schneir, T Mcwaid, V W. Tsai, J Prochazka, M. Young

… describe. We found good agreement with uncertainties below 30 nm (2 sigma) for the CD measurement and 1.0 degrees (2 …

Analysis of Carboxyhemoglobin and Cyanide in Blood From Victims of the Dupont Plaza Hotel Fire in Puerto Rico

January 1, 1990

Author(s)

Barbara C. Levin, P R. Rechani, F Landron, J R. Rodriguez, L Droz, F M. deCabrera, S Kaye, J L. Gurman, H M. Clark, M F. Yoklavich

… casino (where most of the casualties were found) in 20 to 30 seconds. Both exits from the casino became blocked when …

Speed of Sound Measurements of Select Ternary Refrigerant Mixtures and Predictions Using Constituent Binary Interaction Parameters

September 18, 2025

Author(s)

Karim Al-Barghouti, Katrina Avery, Ian Bell, Aaron Rowane

… between 230 K and 345 K and pressures between 0.14 MPa and 30 MPa. The standard uncertainties in temperature and …

Morphology of Thin-Film Nafion on Carbon as an Analogue of Fuel Cell Catalyst Layers

January 11, 2024

Author(s)

Corey Randall, Lianfeng Zou, Howard Wang, Jingshu Hui, Joaquin Rodriguez-Lopez, Melodie Chen-Glasser, Joseph A. Dura, Steven DeCaluwe

… taken in humidified environments for Nafion thin films (≈30–80 nm) on four different carbon substrates. Results show a …

Time-dependent diffusivity and kurtosis in phantoms and head and neck cancer patients

October 11, 2022

Author(s)

Eddy Soloman, Stephen Russek, Sungheon Gene Kim

Purpose: To assess the reliability of measuring diffusivity, diffusional kurtosis and cellular-interstitial water exchange time with long diffusion times (100-800 ms) using stimulated-echo diffusion-weighted imaging. Methods: Time-dependent diffusion MRI (

NIST 2022 Language Recognition Evaluation Plan

August 31, 2022

Author(s)

Yooyoung Lee, Craig Greenberg, Lisa Mason, Elliot Singer

… specified amount of speech, randomly sampled between 3 and 30 seconds. NIST will distribute to participants a small …

Shrinks When It's Colder

August 1, 2022

Author(s)

Patrick Egan

… known fixed-points of water and gallium, near 0 ℃ and 30 ℃, respectively. The cell is made from fused quartz glass, …

Non-fullerene acceptors with direct and indirect hexa-fluorination afford > 17% efficiency in polymer solar cells

December 22, 2021

Author(s)

Subhrangsu Mukherjee, Guoping Li, Liang-Wen Feng, Leighton Jones, Robert Jacobberger, Wei Huang, Ryan Young, Robert Pankow, Weigang Zhu, Norman Lu, Kevin Kohlstedt, Vinod Sangwan, Michael Wasielewski, Mark Hersam, George Schatz, Dean DeLongchamp, Antonio Facchetti, Tobin Marks

… 1-chloronaphthalene, affording high PCE values of 17.30% (BTF + additive) and 17.10% (BTFM, no-additive). The BTF …

Fluoroscent Probe for Cure Monitoring of Hydrosilation-Curable Silicone

October 12, 2021

Author(s)

Y Hotta, K Komatsu, Francis W. Wang

This study aimed to evaluate a fluorescent probe, 9,10-bis-(phenylethynyl) anthracene (BPEA), for cure monitoring of hydrosilation-curable silicone (HCS). The HCS consisted of 74.9 % mass fraction of vinyl terminated polydimethylsiloxane (DV-PDMS)

Fire Resilience of a Steel-Concrete Composite Floor System: Full-Scale Experimental Evaluation for U.S. Prescriptive Approach with a 2-Hour Fire-Resistance Rating (Test #1)

October 5, 2021

Author(s)

Lisa Choe, Selvarajah Ramesh, Xu Dai, Matthew Hoehler, Matthew Bundy, Rodney A. Bryant, Brian Story, Anthony R. Chakalis, Artur A. Chernovsky

… around the interior edges of the test bay less than 30 min into heating, followed by slab breach in the middle of …

The 2019 NIST Speaker Recognition Evaluation CTS Challenge

May 18, 2020

Author(s)

Seyed Omid Sadjadi, Craig S. Greenberg, Elliot Singer, Douglas Reynolds, Lisa Mason, Jaime Hernandez-Cordero

… subset, and a test subset. The progress subset comprised 30% of the trials and was used to monitor progress on the …

Spatial Distribution of PEO-PPO-PEO Block copolymer and PEO Homopolymer in Lipid Bilayers

April 7, 2020

Author(s)

Mihee Kim, Frank Heinrich, Greg Haugstad, Guichuan Yu, Guangcui Yuan, Sushil K. Satija, Wenjia Zhang, Hannah S. Seo, Joseph M. Metzger, Samira M. Azarin, Timothy P Lodge, Benjamin J. Hackel, Frank S. Bates

… of the lipid bilayer as revealed by NR, with approximately 30 % by volume occupancy across the membrane without loss of …

Recognition of DNA adducts by edited and unedited forms of DNA glycosylase NEIL1

November 2, 2019

Author(s)

Irina G. Minko, Vladimir Vartanian, Naoto Tozaki, Erdem Coskun, Sanem Hosbas Coskun, Pawel Jaruga, J Yeo, M.P. Stone, M Egli, Miral M. Dizdar, Amanda K. McCullough, R S. Lloyd

… with the unedited form, NEIL1 K242 being ≈30-fold more efficient than the edited NEIL1 K242R. In …

Proton stopping power determination with dual-energy CT in 3D-printed tissue/air cavity surrogates

July 1, 2019

Author(s)

Jerimy Polf, Matthew Mille, Sina Mossahebi, Haijian Chen, Paul Maggi, Heather H. Chen-Mayer

Purpose: To study the accuracy with which proton stopping power ratio (SPR) can be determined with dual-energy computed tomography (DECT) for small structures and bone-tissue-air interfaces like those found in the head or in the neck. Methods: Hollow

Advances in Age-Dating of Individual Uranium Particles by Large Geometry Secondary Ion Mass Spectrometry

June 10, 2019

Author(s)

Christopher Szakal, David S. Simons, John D. Fassett, Albert J. Fahey

We present the ability to conduct single micrometer-sized uranium particle age-dating measurements on particles that are younger, smaller, and less enriched in 235U content than previously thought to be possible. Specifically, we use large geometry

EQUIVALENT STATIC WIND LOADS VS. DATABASE-ASSISTED DESIGN OF TALL BUILDINGS: AN ASSESSMENT

April 1, 2019

Author(s)

Sejun Park, Emil Simiu, DongHun Yeo

… benchmark results. ESWLs yielded DCIs based on the use of 30 points-in- time significantly closer to the benchmark DAD …

Large Outdoor Fires and the Built Environment: Summary of Kick-Off Workshop

February 4, 2019

Author(s)

Samuel L. Manzello, Sara McAllister, Sayaka Suzuki, Raphaele Blanchi, Elsa Pastor, Ronchi Enrico

… Fires and the Built Environment was held from 3:00 pm to 4:30 pm on Sunday October 21, 2018. The workshop was held as a …

Validation of Single Particle ICP-MS for Routine Measurements of Nanoparticle Size and Number Size Distribution

November 25, 2018

Author(s)

Antonio R. Montoro Bustos, Premsagar P. Kavuri, Antonio M. Possolo, Natalia Farkas, Andras Vladar, Karen E. Murphy, Michael R. Winchester

… commercial AuNP suspensions of three different sizes (30 nm, 60 nm, and 100 nm) with four different coatings and …

Improvements and limitations of Mie lambda-6 potential for prediction of saturated and compressed liquid viscosity

November 2, 2018

Author(s)

Richard A. Messerly, Michelle C. Anderson, S. M. Razavi, J. R. Elliott

… to 60%. The AUA4 deviations are 10 to 20% for ethane and 30 to 60% for 2,2-dimethylpropane, the only compounds tested …

Innovative Approaches to Combat Healthcare-Associated Infections Using Efficacy Standards Developed Through Industry and Federal Collaboration

October 5, 2018

Author(s)

Dianne L. Poster, Carl C. Miller, Yaw S. Obeng, Michael T. Postek, Troy E. Cowan, Richard A. Martinello

… the cells from multiplying. Clinical case reductions of 30-70% in Clostridium difficile (C. diff.) have been reported …

Prediction of Solidification Phases in Cr-Ni Stainless Steel Alloys Manufactured by Laser Based Powder Bed Fusion Process

March 1, 2018

Author(s)

Gregor Jacob

The knowledge of material phases in chromium (Cr), nickel (Ni) stainless steel alloys is sometimes important during parts and structures fabrication processed with additive manufacturing (AM) technologies. Laser-based powder bed fusion (LPBF) is one of

Selenium protein identification and profiling by mass spectrometry: A tool to assess progression of cardiomyopathy in a whale model

December 1, 2017

Author(s)

Colleen E. Bryan Sallee, Steven J. Christopher, William C. Davis, Lisa E. Kilpatrick, Gregory D. Bossart, Wayne E. McFee, Terrance X. O'Brien

… and Se protein profiles were examined in liver (n = 30) and heart tissue (n = 5) by SEC/UV/ICP-MS detection. Data …

Colored Oxides with Hibonite Structure: A Potential Route to Non-cobalt Blue Pigments

December 1, 2016

Author(s)

Jun Li, Elena A. Medina, Judith K. Stalick, Arthur W. Sleight, M. A. Subramanian

… L*a*b* range from 64.5, -5.3, -18.5 to 57, -11.33, -30.38. Structure refinements of neutron powder diffraction …

Ground-based, integrated path differential absorption LIDAR measurement of CO2, CH4, and H2O near 1.6 mm

August 5, 2016

Author(s)

Gerd A. Wagner, David F. Plusquellic

… (ppm) for CO2 and 0.025 mmol/mol (ppm) for CH4 over 30 s measurement periods. For longer averaging times (up to …

Electrospray Differential Mobility Hyphenated with Single Particle Mass Spectrometry for Characterization of Nanoparticles and their Aggregates

August 1, 2016

Author(s)

Jiaojie Tan, Jingyu Liu, Mingdong M. Li, Hind El Hadri, Vincent A. Hackley, Michael R. Zachariah

… include gold NP mixtures with a broad size range (30 nm to 100 nm), and aggregated NPs with a primary size of …

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