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Displaying 1 - 25 of 75786

Detection limits of AI-based SEM dimensional metrology

March 14, 2025
Author(s)
Peter Bajcsy, Brycie Wiseman, Michael Paul Majurski, Andras Vladar
The speed of in-line scanning electron microscope (SEM) measurements of linewidth, contact hole, and overlay is critically important for identifying the measurement area and generating indispensable process control information. Sample charging and damage

Certification of Standard Reference Material(R) 965c Glucose in Frozen Human Serum

March 13, 2025
Author(s)
Amanda Bayless, William Davis, Elena Wood, Abraham Kuri Cruz, Johanna Camara, Blaza Toman, Komal Dahya, Katherine Earl, Chui Tse, Uliana Danilenko, Hubert Vesper
Standard Reference Material (SRM) 965c Glucose in Frozen Human Serum is intended for use in validating methods for the determination of glucose in human serum and plasma. A unit of SRM 965c consists of three ampoules each of four materials: Level 1, Level

Development of Publicly Available Forensic DNA Sequence Mixture Data

March 12, 2025
Author(s)
Erica Romsos, Kevin Kiesler, Carolyn Steffen, Lisa Borsuk, Sarah Riman, Lauren Mullen, Jodi Irwin, Peter Vallone, Katherine Gettings
Background: In 2018, the Next-Generation Sequencing Committee of SWGDAM queried bioinformatic and statistical interpretation method developers regarding data needs for the development of sequence-based probabilistic genotyping software. Methods: Based on

A low-cost ultrasonic absorption spectrometer mainly using off-the-shelf parts

March 11, 2025
Author(s)
Michelle Crouse, Malgorzata Musial, Jason Widegren, Jacob Pawlik, Bryan Bosworth, Nathan Orloff, Aaron Hagerstrom, Angela Stelson, Robert Lirette
Ultrasonic absorption spectroscopy can probe intermolecular interactions that inform research into chemical engineering and pharmaceutical manufacturing processes. The only commercial ultrasonic spectrometer costs over one hundred thousand dollars, putting

A QoE-Based Method for Quantifying and Comparing LTE Coverage

March 11, 2025
Author(s)
Wesley Garey, Yishen Sun, Richard Rouil
To determine the coverage of an LTE system, measurements such as the Reference Signal Received Power (RSRP), Reference Signal Received Quality (RSRQ), and Signal to Interfer-ence and Noise Ratio (SINR) are often used. However, RSRP and RSRQ are only

Status Report on the Fourth Round of the NIST Post-Quantum Cryptography Standardization Process

March 11, 2025
Author(s)
Gorjan Alagic, Maxime Bros, Pierre Ciadoux, David Cooper, Quynh Dang, Thinh Dang, John Kelsey, Jacob Lichtinger, Yi-Kai Liu, Carl Miller, Dustin Moody, Rene Peralta, Ray Perlner, Angela Robinson, Hamilton Silberg, Daniel Smith-Tone, Noah Waller
The National Institute of Standards and Technology is selecting public-key cryptographic algorithms through a public, competition-like process. The new public-key cryptography standards will specify additional digital signatures, public-key encryption, and

Fire Data Generator (FD-Gen) v1.0.0

March 6, 2025
Author(s)
Hongqiang Fang, Wai Cheong Tam
This document serves as the documentation for the Fire Data Generator (FD-Gen), an automated tool designed to streamline the creation of multiple Fire Dynamics Simulator (FDS) input files. By employing Monte Carlo methods to sample relevant fire parameters

Guidelines for Evaluating Differential Privacy Guarantees

March 6, 2025
Author(s)
Joseph Near, David Darais, Naomi Lefkovitz
This publication describes differential-privacy -- a mathematical framework that quantifies privacy loss to entities when their data appears in a dataset. It serves to fulfill one of the assignments to the National Institute of Standards and Technology

Novel probabilistic similarity scores for sets of replicate EI mass spectra

March 5, 2025
Author(s)
Amudhan Krishnaswamy Usha, Briana Capistran, Anthony Kearsley
Abstract: Background: Mass spectra are common signatures used to discriminate between compounds. This often involves the use of a similarity score to classify and distinguish between spectra of different compounds. To separate spectra of structurally

JBO Special Issue on Hyperspectral Imaging

March 4, 2025
Author(s)
Baowei Fei, Jeeseong Hwang, Matija Milanic
The editors introduce a Journal of Biomedical Optics (JBO) feature issue on "Hyperspectral imaging." The special issue features a number of important research and review papers on new hyperspectral imaging and detection devices and associated technologies

Autoregularized Model of the Compressive Behavior of Structural Wall Boundary Elements

March 1, 2025
Author(s)
Carlos Arteta, Jefferson Marulanda Piedrahita, Christopher Segura
The adequate seismic behavior of slender reinforced concrete (RC) structural walls relies heavily on the effectiveness of the boundary element (BE) in providing stable resistance against combined axial and flexural-shear compression demands resulting from

Modulated Laser Thermal Interrogation (MLTI): A Novel In Situ Metal Powder Evaluation Technique for Laser Powder Bed Fusion

March 1, 2025
Author(s)
Sina Ghadi, Xiaobo Chen, Nicholas Tomasello, Nicholas Derimow, Srikanth Rangarajan, Guangwen Zhou, Scott Schiffres
Assessment of metal powders in powder bed additive manufacturing is crucial, as the quality of the powders significantly impacts the final printed parts. This study introduces a novel technique to characterize metal powders by analyzing changes in their

SLowFlowS: A novel flow standard for semiconductor process gases

March 1, 2025
Author(s)
Jodie Gail Pope, Keith A. Gillis, Aaron Johnson, Joey Boyd, John Wright
Numerous process gases are used in the production of semiconductor chips. Accurate metering of these gases into process chambers is critical for maximizing device throughput and yield. A national flow standard for semiconductor process gases does not exist

Product ion distributions using H3O+ proton-transfer-reaction time-of-flight mass spectrometry (PTR-ToF-MS): mechanisms, transmission effects, and instrument-to-instrument variability

February 27, 2025
Author(s)
Michael Link, Megan Claflin, Christina Cecelski, Ayomide Akande, Delany Kilgour, Paul Heine, Matthew Coggon, Chelsea Stockwell, Andrew Jensen, Jie Yu, Han Huyhn, Jenna Ditto, Carnsten Warneke, William Dresser, Keighan Gemmell, Spiro Jorga, Rileigh Robertson, Joost de Gouw, Timothy Bertram, Jonathan Abbatt, Nadine Borduas-Dedekind, Dustin Poppendieck
Proton-transfer-reaction mass spectrometry (PTR-MS) using hydronium ion (H3O+) ionization is widely used for the measurement of volatile organic compounds (VOCs) both indoors and outdoors. H3O+ ionization, as well as the associated chemistry in an ion

Prioritizing Cybersecurity Risk for Enterprise Risk Management

February 26, 2025
Author(s)
Stephen Quinn, Nahla Ivy, Matthew Barrett, Greg Witte, Robert Gardner
This document is the second in a series that supplements NIST Interagency Report (IR) 8286, Integrating Cybersecurity and Enterprise Risk Management (ERM). This series provides additional detail regarding the enterprise application of cybersecurity risk

Using Business Impact Analysis to Inform Risk Prioritization and Response

February 26, 2025
Author(s)
Stephen Quinn, Nahla Ivy, Julie Anne Chua, Matthew Barrett, Larry Feldman, Daniel Topper, Greg Witte, Robert Gardner
While business impact analysis (BIA) has historically been used to determine availability requirements for business continuity, the process can be extended to provide a broad understanding of the potential impacts of any type of loss on the enterprise

A Security Perspective on the Web3 Paradigm

February 25, 2025
Author(s)
Dylan Yaga, Peter Mell
Web3 is a proposed vision for the future of the internet that is restructured to be more user-centric with an emphasis on decentralized data. Users would own and manage their personal data, and systems would be decentralized and distributed. Digital tokens

Kolmogorov turbulence in atomic Bose-Einstein condensates

February 25, 2025
Author(s)
Ian Spielman, Mingshu Zhao, Junheng Tao
We investigated turbulence in atomic Bose-Einstein condensates (BECs) using a minimally destructive, impurity injection technique analogous to particle image velocimetry in conventional fluids. Our approach transfers small regions of the BEC into a
Displaying 1 - 25 of 75786