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Journal of Research (NIST JRES)

Dataset from HDX-MS Studies of IgG1 Glycoforms and Their Interactions with the FcγR1a (CD64) Receptor

June 17, 2021

Author(s)

Kyle Anderson, Kerry Scott, Ioannis Karageorgos, Elyssia Gallagher, Venkata Tayi, Michael Butler, Jeffrey W. Hudgens

This database gives hydrogen-deuterium exchange mass spectrometry (HDX-MS) data from measurements of three purified IgG1 glycoform samples, predominantly G0F...

Exact Tile-Based Segmentation Inference for Images Larger than GPU Memory

June 3, 2021

Author(s)

Michael P. Majurski, Peter Bajcsy

We address the problem of performing exact (tiling-error free) out-of-core semantic segmentation inference of arbitrarily large images using fully convolutional...

Decision Tree for Key Comparisons

April 27, 2021

Author(s)

Antonio Possolo, Amanda Koepke, David Newton, Michael R. Winchester

This contribution describes a Decision Tree intended to guide the selection of statistical models and data reduction procedures in key comparisons (KCs). The...

Generative Adversarial Network Performance in Low-Dimensional Settings

April 20, 2021

Author(s)

Felix M. Jimenez, Amanda Koepke, Mary Gregg, Michael R. Frey

A generative adversarial network (GAN) is an artificial neural network with a distinctive training architecture, designed to create examples that faithfully...

Evaluations of a Detector-Limited Digital Impedance Bridge

April 6, 2021

Author(s)

Mona Feige, Stephan Schlamminger, Yicheng Wang

We tested a simple digital impedance bridge using two nominally equal resistors to form a 1:1 ratio. We focused on resolution and stability of the detectors...

Encounter Metrics and Exposure Notification

March 28, 2021

Author(s)

Rene Peralta, Angela Robinson

We discuss the measurement of aggregate levels of encounters in a population, a concept we call encounter metrics. Encounter metrics are designed so that they...

In Situ Thermography During Laser Powder Bed Fusion of a Nickel Superalloy 625 Artifact with Various Overhangs and Supports

March 12, 2021

Author(s)

Benjamin A. Molnar, Jarred C. Heigel, Eric P. Whitenton

This document provides details on the experiment and associated measurement files available for download in the dataset "In Situ Thermography During Laser...

DNA Origami Design: A How-To Tutorial

January 8, 2021

Author(s)

Jacob Majikes, James Alexander Liddle

While the design and assembly of DNA origami are straightforward, its relative novelty as a nanofabrication technique means that the tools and methods for...

Fast Methods for Finding Multiple Effective Influencers in Real Networks

December 31, 2020

Author(s)

Fern Y. Hunt, Roldan Pozo

We present scalable first hitting time methods for finding a collection of nodes that enables the fastest time for the spread of consensus in a network. That is...

Fused Filament Fabrication Printer Modified to Dispense Cement Paste for Concrete Additive Manufacturing Studies

November 24, 2020

Author(s)

Scott Z. Jones

Additive manufacturing (AM) with cement-based materials is an emerging technology that has the potential to revolutionize concrete construction. The placement...

An Initial Look at Federal Offices of Research and Technology Applications

November 19, 2020

Author(s)

Nicole K. Gingrich, Michael J. Hall, Isaac Patterson

In Science—the Endless Frontier, Vannevar Bush wrote that reaping the potential benefits of science conducted at federal laboratories requires the discoveries...

Parallel Generalized Real Symmetric-Definite Eigenvalue Problem

November 6, 2020

Author(s)

James S. Sims, Maria B. Ruiz

A computationally fast Fortran 90+ quadruple precision portable parallel GRS- DEP (generalized real symmetric-definite eigenvalue problem) package suitable for...

X-ray Computed Tomography Data of Additive Manufacturing Metrology Testbed (AMMT) Parts: "Overhang Part X4"

October 1, 2020

Author(s)

Maxwell Praniewicz, Brandon Lane, Felix Kim, Christopher Saldana

This document provides details on the data and files generated from post-build X-ray computed tomography (XCT) measurements of the four parts built as part of...

On The Quotient of Centralized and Non-Centralized Complex Gaussian Random Variables

September 23, 2020

Author(s)

Dazhen Gu

A detailed investigation of the quotient of two independent complex random variables is presented. The numerator has a zero mean, and the denominator has a non...

Characterization of 3-Dimensional Printing and Casting Materials for use in Magnetic Resonance Imaging Phantoms at 3 T

September 15, 2020

Author(s)

Bryan E. Yunker, Karl Stupic, J. L. Wagner, S Huddle, R Shandas, R. F. Weir, Stephen E. Russek, Katy Keenan

Imaging phantoms are used to calibrate and validate the performance of magnetic resonance imaging (MRI) systems. Many new materials have been developed for...

Characterization of 3-Dimensional Printing and Casting Materials for use in Computed Tomography and X-ray Imaging Phantoms

September 15, 2020

Author(s)

Bryan E. Yunker, Andrew Holmgren, Karl Stupic, J. L. Wagner, S Huddle, R Shandas, R. F. Weir, Katy Keenan, Edward Garboczi, Stephen E. Russek

Imaging phantoms are used to calibrate and validate the performance of medical computed tomography (CT) systems. Many new materials developed for three...

Process Monitoring Dataset from the Additive Manufacturing Metrology Testbed (AMMT): "Overhang Part X4"

September 3, 2020

Author(s)

Brandon M. Lane, Ho Yeung

Linking Theory to Practice: Predicting Ballistic Performance from Mechanical Properties of Aged Body Armor

August 24, 2020

Author(s)

Amanda L. Forster, Dennis D. Leber, Amy E. Engelbrecht-Wiggans, Virginie A. Landais, Allen Chang, Emilien J. Guigues, Guillaume Messin, Michael A. Riley

It has long been a goal of the body armor testing community to establish an individualized, scientific-based protocol for predicting end-of-life of fielded body...

A Toolbox for Isophase-Curvature Guided Computation of Metrology Holograms

August 13, 2020

Author(s)

Ulf Griesmann, Johannes A. Soons, Gufran S. Khan

We describe the algorithmic foundations of an open-source numerical toolbox, written in the Octave language, for the creation of computer-generated binary and...

Construction of a Dual Protease Column, Subzero (-30 °C) Chromatography System and Multi-channel Precision Temperature Controller for Hydrogen-Deuterium Exchange Mass Spectrometry

August 12, 2020

Author(s)

Jeffrey Hudgens

This tutorial provides mechanical drawings, electrical schematics, parts lists, stereolithography (STL) files for producing three-dimensional (3D)-printed parts...

Path-Integral Calculation of the Second Dielectric and Refractivity Virial Coefficients of Helium, Neon, and Argon

August 6, 2020

Author(s)

Giovanni Garberoglio, Allan H. Harvey

We present a method to calculate dielectric and refractivity virial coefficients using the path-integral Monte Carlo formulation of quantum statistical...

The Certification of Standard Reference Material 1979: Powder Diffraction Line Profile Standard for Crystallite Size Analysis

July 31, 2020

Author(s)

James Cline, Marcus Mendenhall, Joseph J. Ritter, David R. Black, Albert Henins, John E. Bonevich, Pamela S. Whitfield, James J. Filliben

This rather long-standing project has resulted in a National Institute of Standards and Technology (NIST) Standard Reference Material (SRM) for the analysis of...

Thrombin: An Approach to Developing a Higher-Order Reference Material and Reference Measurement Procedure for Substance Identity, Amount, and Biological Activities

July 29, 2020

Author(s)

Craig M. Jackson, M. P. Esnouf, David L. Duewer

Thrombin, the proteolytic enzyme that catalyzes the transformation of soluble fibrinogen to the polymerized fibrin clot, participates in multiple reactions in...

SysML Models for Discrete Event Logistics Systems

July 29, 2020

Author(s)

Timothy A. Sprock, Conrad E. Bock

System models and model-based engineering methods have the promise of transforming the way that industrial engineers interact with production and logistics...

Erratum: Improved First-Principles Calculation of the Third Virial Coefficient of Helium

June 6, 2020

Author(s)

Giovanni Garberoglio, Michael R. Moldover, Allan H. Harvey

Erratum to paper published in 2011

Improvised Long Test Lengths via Stitching Scale Bar Method: Performance Evaluation of Terrestrial Laser Scanners per ASTM E3125-17

May 28, 2020

Author(s)

Shendong Shi, Balasubramanian Muralikrishnan, Vincent Lee, Daniel S. Sawyer, Octavio Icasio-Hern?ndez

Periodic performance evaluation is a critical issue for ensuring the reliability of data from terrestrial laser scanners (TLSs). With the recent introduction of...

Improvised Long Test Lengths via Stitching Scale Bar Method: Interim Testing of Laser Trackers

May 28, 2020

Author(s)

Vincent Lee, Daniel S. Sawyer, Balasubramanian Muralikrishnan

Performance verifications of laser tracker systems (LTSs) often rely on calibrated length artifacts that are 2.3 m in length or more, as specified in...

Influence of Machine Anvil Wear on Charpy Test Results

May 12, 2020

Author(s)

Enrico Lucon, Raymond L. Santoyo

We investigated the influence of the state of wear of Charpy machine anvils on test results by performing impact tests on NIST specimens of three energy levels...

Microscale Mapping of Structure and Stress in Barium Titanate

April 19, 2020

Author(s)

Jane A. Howell, Mark D. Vaudin, Lawrence Henry Friedman, Robert F. Cook

Cross-correlation of electron backscatter diffraction (EBSD) patterns was used to generate rotation, strain, and stress maps of single-crystal tetragonal barium...

Advanced Temperature-Control Chamber for Resistance Standards

April 10, 2020

Author(s)

Shamith Payagala, Alireza Panna, Albert Rigosi, Dean G. Jarrett

Calibration services for resistance metrology have continued to advance their capabilities and establish new and improved methods for maintaining standard...

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