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Search Publications

NIST Authors in Bold

Displaying 12826 - 12850 of 13226

Towards Adversary-Resilient Interference Management in O-RAN: Requirements and Gap Analysis

January 27, 2025
Author(s)
Sneihil Gopal, Wesley Garey, Richard Rouil, Sridhar Kowdley
… address complex challenges like interference management in 4GLong Term Evolution (LTE) and 5GNew Radio (NR), with … promises more granular control and real-time optimization in coordinated environments. However, public safety entities … state-of-the-art interference management techniques in cellular networks and explores whether O-RAN's current …

BIT-FL: Blockchain-Enabled Incentivized And Secure Federated Learning Framework

October 14, 2024
Author(s)
Tao Zhang, Chenhao Ying, Fuyuan Xia, Haiming Jin, Yuan Luo, David Wei, Xinchun Yu, Yibin Xu, Xikun Jiang, Weiting Zhang, Dacheng Tao
… fourth challenge is ensuring the privacy of local models in FL, as private information may be divulged during model … Learning (BIT-FL) framework. BIT-FL leverages blockchain technology, Byzantine fault-tolerant (BFT) consensus, … and nmin represents the size of the smallest dataset. In addition, we address the crucial issue of the tradeoff …

Precise and Scalable Depletion-Based Length Separation of Carbon and Boron Nitride Nanotubes

August 28, 2024
Author(s)
Pavel Shapturenka, Benjamin Barnes, Matthew Noor, Jeffrey Fagan, Elisabeth Mansfield
… synthesis methods, and progressively fractionated in a "reverse sequential" precipitation scheme by addition of … Strong fractionation by length was achieved in all populations, with obtained mass-weighted average … especially for reducing contamination of longer nanotubes in shorter populations. For BNNT materials, the precipitation …

The Block Copolymer Phase Behavior Database

August 10, 2024
Author(s)
Nathan Rebello, Akash Arora, Hidenobu Mochigase, Tzyy-Shyang Lin, Debra Audus, Bradley Olsen
… can be accessed via the Community Resource for Innovation in Polymer Technology (CRIPT) web application and the Materials Data … Facility. The chemical structure of the polymer is encoded in BigSMILES, an extension of the Simplified Molecular-Input …

Functional Recovery of Lifeline Infrastructure System Services

June 30, 2024
Author(s)
Craig Davis, Andrew Herseth, Katherine Johnson, Ayse Hortacsu
… practical objectives to ensure societal needs can be met in a post-earthquake environment, and (2) the systems to be … have their basic services restored. Two Federal agencies in the United States, the Federal Emergency Management Agency (FEMA) and National Institute of Standards and Technology (NIST) are developing frameworks to design new or …

Research on Fixture-Level Peak Probability of Water Use in Commercial Buildings

June 5, 2024
Author(s)
Tao Li, Steven Buchberger, Toritseju Omaghomi, Gary Klein, William M. Healy
… demonstrated for monitoring indoor fixture level water use in buildings. The new technology consists of a low-cost, battery-powered, miniature … detection of flow through pipes. When deployed in a typical commercial, industrial, or residential building, … Research on Fixture-Level Peak Probability of Water Use in Commercial Buildings …

An Infrastructure for Secure Data Sharing: A Clinical Data Implementation

May 15, 2024
Author(s)
Joanna DeFranco, Joshua Roberts, David Ferraiolo, Daniel Compton
Objective: To address database interoperability challenges to improve collaboration among disparate organizations. Materials and Methods: We developed a lightweight system to allow broad but well-controlled data sharing while preserving local data

Evaluating the security of CRYSTALS-Dilithium in the quantum random oracle model

April 29, 2024
Author(s)
Kelsey Jackson, Carl A. Miller, Daochen Wang
… In the wake of recent progress on quantum computing hardware, the National Institute of Standards and Technology (NIST) is standardizing cryptographic protocols … as hard as MSIS, its quantum hardness is unclear. In this paper, we provide the first proof of the hardness of …

Bottom-up Au Filling of Trenches in Curved Wafers

March 4, 2024
Author(s)
Daniel Josell, Thomas P. Moffat, Thomas Gnaupel-Herold, David Raciti, Martin Stauber, Yu Q, Liyang Chen, M Rawlik, Marco Stampanoni, Lucia Romano
… A 〖Bi〗^(3+)-stimulated Au electrodeposition process in slightly alkaline 〖Na〗_3 Au(〖SO〗_3 )_2+〖Na〗_2 〖SO〗_3 … of trenches with aspect ratios (height/width) exceeding 60 in gratings that are key to advanced X-ray imaging … X-rays. This work demonstrates bottom-up Au filling in gratings of aspect ratio 40 that are attached to curved …

Morphological Characterization of Self-Amplifying mRNA Lipid Nanoparticles

January 16, 2024
Author(s)
Jacob Thelen, Wellington Leite, Volker Urban, Hugh O'Neill, Alexander Grieshaev, Joseph E. Curtis, Susan N. Krueger, Maria M. Castellanos
… The mRNA technology has emerged as a rapid modality to develop … to protect against endemic diseases. The success of mRNA in producing an antigen is dependent on the ability to … includes the replication machinery for mRNA amplification in the cells. Thus, SAM can generate many antigen encoding …

The Magnetic Suspension Balance - 40 Years of Advancing Densimetry and Sorption Science Xiaoxian Yang1, Reiner Kleinrahm2, Mark O. McLinden3, Markus Richter1,

November 7, 2023
Author(s)
Xiaoxian Yang, Reiner Kleinrahm, Mark O. McLinden, Markus Richter
… analytical balance. With a MSC, an object can be weighed in a different environment than the balance itself, making it … Over the past 40 years, the MSB has been commonly used in research areas requiring accurate sample weighings, … around MSB is threatened by the proprietary nature of MSB technology, the development is still ongoing, for example, …

Analysis of a Steel Gravity Frame with Composite Floor System Subjected to Compartment Fire (Test #2)

October 23, 2023
Author(s)
Mohammed Morovat, Joseph Main, Jonathan Weigand, Malcolm Ammons, Fahim H. Sadek, Long Phan
… a composite concrete floor slab on steel decking was used in the validation process. The experiment was conducted under combined mechanical and fire loading in the National Fire Research Laboratory (NRFL) at the National Institute of Standard and Technology (NIST). The intent of the experiment was to …

Modeling of Black PMMA in the NIST Gasification Apparatus using Fire Dynamics Simulator

October 20, 2023
Author(s)
Jason Floyd, Morgan Bruns, Isaac Leventon, Kevin B. McGrattan
… 13 performed by the National Institute of Standards and Technology for MaCFP-3. 14 Five sets of simulations where … to the level of detail of 19 the applied flux included in the simulation. 20 3. Simulations of all material property sets contained in the MaCFP github repository for PMMA for a 21 single 50 …

Complex Disaster Impacts, Resilience, and Recovery among Small- and Medium- Businesses: A Federal Research Portfolio Approach

September 13, 2023
Author(s)
Ariela Zycherman, Jennifer Helgeson, Claudia Nierenberg
… (CAP) Program and the National Institute of Standards and Technology's (NIST) Community Resilience Program (CRP) … vulnerability to impacts and recovery potential over time. In this commentary, we describe the development of the … the complex event framework and cross-agency cooperation in the federal approach to understanding and addressing …

Skyrmion-Excited Spin-Wave Fractal Networks

August 18, 2023
Author(s)
Nan Tang, W. L. N. C. Liyanage, Sergio A. Montoya, Sheena Patel, Lizabeth J. Quigley, Alexander Grutter, Michael R. Fitzsimmons, Sunil Sinha, Julie A. Borchers, Eric E. Fullerton, Lisa Debeer-Schmitt, Dustin A. Gilbert
… of a choppy sea. However, since the spin waves generated in these systems have a well-defined length scale, and the … angle neutron scattering (SANS) to capture the dynamics in hybrid skyrmions and investigate the structure of the … waves. Using a static out-of-plane magnetic field and an in-plane microwave frequency excitation, driven gyration …

Comparison of U3Si2 and U-10Mo LEU-Fueled Reactor Cores for the Preconceptual NIST Neutron Source Design

May 21, 2023
Author(s)
Osman Celikten, Abdullah Weiss, Dagistan Sahin
… The National Institute of Standards and Technology (NIST) Center for Neutron Research (NCNR) is one … and unknown timeline for the certification of U-10Mo fuel in the U.S., NCNR is investigating the possibility of using … dispersion (U3Si2/Al) as alternative fuel material. In this paper, the neutronics performance of low-enriched …

Near Zero Field Magnetoresistance Spectroscopy: A New Tool in Semiconductor Reliability Physics

May 15, 2023
Author(s)
Patrick Lenahan, Elias Frantz, Sean King, Mark Anders, Stephen Moxim, James P Ashton, Kenneth Myers, Michael Flatte, Nicholas Harmon
… structure of point defects which play important roles in the electronic properties of the devices under study. This … open up the possible exploration of the kinetics involved in some reliability phenomena as well as in multiple transport mechanisms. This addition is a small (0 …

Guidance on Contactless Friction Ridge Image Compression, v1.0

May 3, 2023
Author(s)
John M. Libert, Shahram Orandi, Kenneth Ko, Bruce Bandini, John Grantham, Craig I. Watson
… Nascent technologies show promise in collecting 500 ppi fingerprints in a contactless fashion while yielding various improvements in the collection process over legacy contact collection …

Effect of Alkali-Silica Reaction on the Flexural Behavior of Beams with Tensile Lap Splices

March 31, 2023
Author(s)
Long Phan, Jonathan Weigand, Fahim H. Sadek, Adam L. Pintar, Sorin Marcu, Travis Thonstad, Timothy Barrett
… were tested at the National Institute of Standards and Technology (NIST) under four-point loading to investigate the … The beams contained highly reactive aggregates, were cured in an environmental chamber at high relative humidity and temperature, and were tested in batches at regular intervals in time. The development of …

High-performance Kerr microresonator optical parametric oscillator on a silicon chip

January 16, 2023
Author(s)
Edgar Perez, Gregory Moille, Xiyuan Lu, Jordan Stone, Feng Zhou, Kartik Srinivasan
… that are dramatically different from the pump laser, and in principle bounded solely by energy conservation between … As integrated photonics advances towards many applications in quantum information science, metrology, and sensing, … are of particular interest, as Χ(3) is naturally available in silicon photonics. Apart from wavelength access, …

NIST Micronutrients Measurement Quality Assurance Program: Performance History of the Fat-Soluble Vitamin-Related Studies

September 21, 2022
Author(s)
David L. Duewer, Jeanice "Brown Thomas ", Margaret Kline, Willie May, Katherine E. Sharpless
… From 1984 to 2017, the National Institute of Standards and Technology (NIST) Micronutrients Measurement Quality … measuring fat soluble vitamins and carotenoids in human serum and plasma. There were 22 participants in the initial study; participation increased to 58 in 1997 …

Advancing Discovery with Artificial Intelligence and Machine Learning at NSLS-II

September 16, 2022
Author(s)
Bruce D. Ravel
… Synchrotron Light Source II (NSLS-II) coming online in 2015 as the brightest source in the world, the imminent upgrades at the Advanced Photon … and Linear Coherent Light Source, and advances in detector technology, the data generation rates at the U.S. Department …
Displaying 12826 - 12850 of 13226
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