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Search Publications

NIST Authors in Bold

Displaying 26 - 50 of 73802

Evaluation of sources of variability in a nitric oxide screening assay for engineered nanomaterials

November 18, 2025
Author(s)
Tariq Fahmi, Robert Gutierrez, Ana Barrios, Tae Joon Cho, John Elliott, Sanghamitra Majumdar, Bryant Nelson, Aaron Johnston-Peck, Alessandro Tona, Anil Patri, Elijah Petersen
Assays to detect potential biocompatibility issues can play a key role in supporting the development of new technologies such as medical products containing engineered nanomaterials (ENMs). In this paper, we describe an evaluation of sources of uncertainty

Compatibility of trapped ions and dielectrics at cryogenic temperatures

November 17, 2025
Author(s)
Margaret Bruff, Lindsay Sonderhouse, Kaitlyn David, Daniel Slichter, Dietrich Leibfried, Jules Stuart
We study the impact of an unshielded dielectric\textemdash here, a bare optical fiber\textemdash on a $^40}$Ca$^+}$ ion held several hundred $\mu$m away in a cryogenic surface electrode trap. We observe distance-dependent stray electric fields of up to a

Charge-state dependent ion condensation near conjugated polymer backbones

November 15, 2025
Author(s)
Dilara Meli, Quentin Thomas, Guillaume Freychet, Lucas Flagg, Iain McCulloch, David Beljonne, Lee Richter, Jonathan Rivnay
Despite the technological appeal of organic mixed ionic/electronic conductors (OMIECs) for a range of applications, a deep understanding of the fundamentals of mixed charge transport in these materials, especially regarding the ionic component, is lacking

Single-photon time-of-flight measurements for benchmarking time transfer in quantum networks

November 14, 2025
Author(s)
Dongxing He, Paulina Kuo, YaShian Li-Baboud, Anouar Rahmouni, Matthew Shaw, Boris Korzh, Thomas Gerrits
We propose a single-photon time-of-flight (ToF) measurement method to benchmark fiber-path delay estimation in optical two-way time and frequency transfer (OTWTFT) protocols. The single-photon ToF measurement yields uncertainties better than 2 ps (0.5 mm

AI and Flow Cytometry

November 10, 2025
Author(s)
Dawei Lin, Anupama Gururaj, Sheng Lin-Gibson, Lili Wang
Artificial intelligence (AI) and machine learning (ML) are transforming biotechnology and playing a key role in bioeconomy. One of the most important measurement capabilities at the forefront of biotechnology innovations is flow cytometry (FCM), a high

Multi-timescale Frequency-Phase Matching for High-Yield Nonlinear Photonics

November 6, 2025
Author(s)
Mahmoud Jalali Mehrabad, Lida Xu, Gregory Moille, Christopher Flower, Supratik Sarkar, Apurva Padhye, Shao-Chien Ou, Daniel Suarez-Ferero, Mahdi Ghafariasl, Yanne K. Chembo, Kartik Srinivasan, Mohammad Hafezi
Integrated nonlinear photonics struggles to deliver wafer-scale functional device yields: Nanometer-level fabrication variations compromise the strict frequency-phase matching mandated by energy- and momentum-conserving nonlinear processes. We introduce

The structure and morphology of single-component oligomeric RNA delivery vectors derived from amphiphilic Charge-Altering Releasable Transporters

November 6, 2025
Author(s)
Paul Hurst, Yuan Jia, Summer Ramsay-Burrough, Rebecca McClellan, Joshua Arens, Samuel Khasnavis, Trevor del Castillo, Mahmoud AbdElwakil, Michael Lueckheide, Vivek Prabhu, Robert Waymouth
Recent advances in nucleic acid delivery have been inspired by efforts to mimic the function of natural viruses through the development of self-assemblies capable of transporting oligonucleotides across the cell and endosomal membranes. Lipid nanoparticles

AI-Powered ParaView for NIST: Enabling Accessible Scientific Visualization

November 3, 2025
Author(s)
Simon Su, William Sherman, Judith Terrill
This position paper outlines the research agenda for National Institute of Standards and Technology (NIST)'s AI-Powered ParaView effort and how the research directly addresses and supports multiple action items within the America's AI Action Plan. How this

Would Human-Robot Interaction Conferences Benefit From More Formal Reporting?

November 3, 2025
Author(s)
Patrick Holthaus, Alessandra Rossi, Snehesh Shrestha, Wing-Yue Louie, aysegul ucar, Daniel Hernandez Garcia, Frank Forster, Antonio Andriella, Shelly Bagchi
In an interdisciplinary and evolving research field like human-robot interaction, clear and precise results reporting is essential for study comparability and replicability. To address the lack of a standard for such reporting and, at the same time

Smart City Standardization: A Global Perspective

November 1, 2025
Author(s)
William Dunaway, Cheyney O'Fallon
The Global Community Technology Challenge (GCTC) is the smart cities program of the National Institute of Standards and Technology (NIST) in the U.S. Department of Commerce. Since its formation in 2014, the GCTC has built an international partnership of

Unraveling spin entanglement using quantum gates with scanning tunneling microscopy-driven electron spin resonance

October 31, 2025
Author(s)
Eric Switzer, Jose Reina Galvez, Geza Giedke, Talat Rahman, Christoph Wolf, Deung-Jang Choi, Nicolas Lorente
Quantum entanglement is a fundamental resource for quantum information processing, and its controlled generation and detection remain key challenges in scalable quantum architectures. Here, we demonstrate the deterministic generation of entangled spin

Use Case Decomposition for multi-standard Management to Enable Flexible Supply Chain

October 27, 2025
Author(s)
Elena Jelisic, Boonserm Kulvatunyou, Salifou Sidi Mahaman Malick, Hakju Oh, Joshua Ki
Flexibility is identified as a mandatory characteristic of today's supply chains. There are a few aspects of supply chain flexibility identified in the literature, and one of them is flexible supply chain integration. The standard for exchanging supply

A formal Fe(III)/(V) redox couple in an intercalation electrode

October 15, 2025
Author(s)
Hari Ramachandran, Edward Mu, Eder Lomeli, Augustin Braun, Masato Goto, Kuan Hsu, Jue Liu, Zhelong Jiang, Kipil Lim, Grace Busse, Brian Moritz, Joshua Kas, John Vinson, John Rehr, Jungjin Park, Iwnetim Abate, Yuichi Shimakawa, Edward Solomon, Wanli Yang, William Gent, Thomas Devereaux, William Chueh
Iron redox cycling between low-valent oxidation states of FeII and FeIII drives crucial processes in nature. The FeII/III redox couple charge compensates the cycling of lithium iron phosphate, a positive electrode (cathode) for lithium-ion batteries. High

Temperature-Compensated Multi-Level CMOS Modulators Operating from 10 K to 300 K for Cryogenic Interconnects

October 14, 2025
Author(s)
Christopher Kniss, Abhishek Sharma, Ratanak Phon, Gregory Shimon, Eran Socher, Pragya Shrestha, Karthick Ramu, Jason Campbell, Amin Pourvali, Richard Al Hadi, Yanghyo Kim
This work presents temperature-compensated cryogenic CMOS modulators operating over a 10-300 K temperature range, suitable for intra- and inter-thermal cryogenic communications. Conventional metal-based coax cables suffer from a fundamental trade-off

Developing the United States GReenhouse gas And Air Pollutants Emissions System (GRA2PES)

October 11, 2025
Author(s)
Congmeng Lyu, Colin Harkins, Meng Li, Kimberly Mueller, Jack Prothero, Bert Verreyken, John Miller, Scott Lehman, Jeff Peischl, Jessica Gilman, CARSTEN WARNEKE, MATTHEW COGGON, Chelsea Stockwell, Steve Brown, Kristen Zuraski, Aaron Lamplugh, kevin gurney, Lech Gawuc, Pawlok Dass, Rachel Hoesly, Steve Smith, Tomohiro Oda, Lucy Hutyra, Conor Gately, claire granier, James Whetstone, BRIAN MCDONALD
In the U.S., emissions of greenhouse gas (GHG) and air quality (AQ) are often developed independent of one another. Here, we develop the GReenhouse gas And Air Pollutant Emissions System (GRA2PES), providing gridded emissions of fossil-fuel carbon dioxide

Wildland-Urban Interface (WUI) Smoke Yields of Non-Methane Organic Gases from Combustion of Small-Scale Residential Building Surrogates

October 9, 2025
Author(s)
Michael Link, Nathan Lima, Aika Davis, Ryan Falkenstein-Smith, Rodney Bryant, Thomas Cleary, Dustin Poppendieck
At the wildland-urban interface (WUI) structural fires can generate non-methane organic gases (NMOGs) from burning urban fuels like structural lumber, plastics, and carpet. These NMOGs can contaminate nearby homes and affect indoor air quality. NMOGs have

Scalable and fault-tolerant preparation of encoded k-uniform states

October 3, 2025
Author(s)
Shayan Majidy, Dominik Hangleiter, Michael Gullans
k-uniform states are valuable resources in quantum information, enabling tasks such as teleporta- tion, error correction, and accelerated quantum simulations. However, verifying k-uniformity is as difficult as measuring code distances, and devising fault

Best-Practice Reporting for Porous Materials Adsorption Data

October 1, 2025
Author(s)
Daniel Siderius, Louis Vanduyfhuys, Jack Evans, Paul Iacomi, Veronique Van Speybroeck, Volodymyr Bon, Stefan Kaskel
Recent decades have seen an enormous evolution of novel porous materials for catalysis, energy efficient processes, and sustainable technologies to improve life quality. Adsorption characterization is essential to provide descriptors of texture and
Displaying 26 - 50 of 73802
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