Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Journals

Microplastics absent from reef fish in the Marshall Islands: Multistage screening methods reduced false positives

November 29, 2023

Author(s)

Katherine Shaw, Jonathan Whitney, Eileen Nalley, Madeline Schmidbauer, Megan Donahue, Jesse Black, Raquel Corniuk, Kellie Teague, Catherine Pirkle, Rachel Dacks, Max Sudnovsky, Jennifer Lynch

Island communities, like the Republic of the Marshall Islands (RMI), depend on marine resources for food and economics, so plastic ingestion by those resources

Branching Fractions and Transition Probabilities for UV Transitions in the Spectrum of Cr II

November 28, 2023

Author(s)

Jacob Ward, Jacqueline Li, Jared Schwartz, Gillian Nave, Ton Raassen, Peter H. M. Uylings

We present transition probabilities for 268 spectral lines of singly-ionized chromium (Cr II) in the wavelength region 208 nm to 414 nm. Branching fractions

Enhancing Divalent Optical Atomic Clocks with the 1S0-3P2 Transition

November 28, 2023

Author(s)

Matthew Bohman, Sergey Porsev, David Hume, David Leibrandt, Marianna Safronova

Ambient humidity, the overlooked influencer of radioactivity measurements

November 27, 2023

Author(s)

Stefaan Pomme, Michael P. Unterweger, Ryan P. Fitzgerald, Denis E. Bergeron, Leticia Pibida, International Collaboration

When verifying the validity of the exponential-decay law through 128 precise decay rate measurement series at various nuclear laboratories, minor violations

An Improved Sample Preparation Method for Protein and Peptide Identification from Human Hair

November 27, 2023

Author(s)

Zheng Zhang, William E. Wallace, Guanghui Wang, Meghan Burke Harris, Yi Liu, Sergey Sheetlin, Stephen E. Stein

A fast and sensitive Direct Extraction (DE) method developed in our group can efficiently extract proteins in 30 min from a 5 cm-long hair strand. Previously we

Integration of vertically-aligned carbon nanotubes with superconducting nanowire single photon detectors

November 27, 2023

Author(s)

Dana Rampini, Chris Yung, Bakhrom Oripov, Solomon I. Woods, John H. Lehman, Sae Woo Nam, Adam McCaughan

We report on initial fabrication efforts in the integration of superconducting nanowire single-photon detectors (SNSPDs) with vertically aligned carbon

An automated approach for segmenting numerical control data with controller data for machine tools

November 24, 2023

Author(s)

Laetitia Monnier, William Z. Bernstein, Sebti Foufou

Developing a more automated industrial digital thread is vital to realize the smart manufacturing and Industry 4.0 vision. The digital thread allows for

Considerations for MESF-bead based assignment of absolute fluorescence values to nanoparticles and extracellular vesicles by flow cytometry

November 23, 2023

Author(s)

Estefanis Lozano-Andres, Tina Van Den Broeck, Majid Mehrpouyan, Ye Tian, Xiaomei Yan, Marca Wauben, Ger Arkesteijn, Lili Wang

Optical n(p, T_90) measurement suite 1: He, Ar, and N_2

November 23, 2023

Author(s)

Patrick Egan, Yuanchao Yang

An n(p, T90) measurement suite is reported for the gases helium, argon, and nitrogen. The methodology is optical refractive-index gas metrology, operating at

Layered Security Guidance for Data Asset Management in Additive Manufacturing

November 23, 2023

Author(s)

Fahad Milaat, Joshua Lubell

Manufacturing industries are increasingly adopting additive manufacturing (AM) technologies to produce functional parts in critical systems. However, the

Midcircuit Operations Using the omg Architecture in Neutral Atom Arrays

November 22, 2023

Author(s)

Joanna Lis, Aruku Senoo, Will McGrew, Felix Ronchen, Alec Jenkins, Adam Kaufman

The Influence of δ-Phase on the Environmentally Assisted Cracking Resistance of an Additively Manufactured Nickel-Based Superalloy

November 22, 2023

Author(s)

Mark R. Stoudt, Richard E. Ricker

The combination of strength, corrosion resistance, and excellent weldability makes IN625 an attractive alloy for additive manufacturing (AM) applications, but

Untargeted metabolomics analyses and contaminant chemistry of Dreissenid mussels at the Maumee River Area of Concern in the Great Lakes

November 22, 2023

Author(s)

Tracey Schock, Daniel Bearden, Fabio Casu, Michael Edwards, Annie Jacob, Edward Johnson, Amanda Bayless, Elena Legrand

Bivalves stand out as an ideal ecological indicator and have been the basis of NOAA's Mussel Watch Program to monitor environmental health. In this study, we

Adaptive Resilience of Asian American Pacific Islander Businesses in the Face of COVID-19 and Complex Events

November 21, 2023

Author(s)

Jennifer Helgeson, Brianna Lin

During the COVID-19 pandemic and concurrent natural disasters, small businesses were hard hit by decreased consumer demand, supply chain interruptions, and

Understanding and Leveraging Short Range Order in Compositionally Complex Alloys

November 20, 2023

Author(s)

Mitra Taheri, Elaf Anber, Annie Barnett, Nick Birbilis, Brian DeCost, Daniel Foley, Emily Holcombe, Jonathan Hollenbach, Howie Joress, Yevgeny Rakita, James Rondinelli, Nathan Smith, Michael Waters, Chris Wolverton

In this article, we review the opportunities and challenges associated with complex concentrated materials that exhibit short-range order. Although the presence

20 GHz fiber-integrated femtosecond pulse and supercontinuum generation with a resonant electro-optic frequency comb

November 20, 2023

Author(s)

Pooja Sekhar, Connor Fredrick, David Carlson, Scott Diddams

Frequency combs with mode spacing of 10–20 GHz are critical for increasingly important applications such as astronomical spectrograph calibration, high-speed

Optimal binary gratings for multi-wavelength magneto-optical traps

November 20, 2023

Author(s)

Oliver Burrow, Robert Fasano, Michael Wright, Wesley Brand, Wenbo Li, Andrew Ludlow, Erling Riis, Paul Griffin, Aidan Arnold

Grating magneto-optical traps are an enabling quantum technology for portable metrological devices with ultracold atoms. However, beam diffraction efficiency

Scalable and robust beam shaping using apodized fish-bone grating couplers

November 20, 2023

Author(s)

Chad Ropp, Dhriti Maurya, Alexander Yulaev, Daron Westly, Gregory Simelgor, Vladimir Aksyuk

Efficient power coupling between guided and free-space optical modes requires precision spatial mode matching with apodized Bragg gratings. Yet, grating

Monitoring Spectrometer Drift with Unsupervised Machine Learning

November 20, 2023

Author(s)

Benjamin Harding, Ziling Hu, Ashley Hiett, Frank Delaglio, Katherine Henzler- Wildman, Chad Rienstra

Solid-state NMR spectroscopy (SSNMR) is a powerful technique to probe structural and dynamic properties of molecules at an atomic level. Modern SSNMR methods

Microfluidic Blood Separation: Key Technologies and Critical Figures of Merit

November 18, 2023

Author(s)

Karina Torres Castro, Katherine Acuña-Umaña, Leonardo Lesser-Rojas, Darwin Reyes-Hernandez

Blood is a complex sample comprised mostly of plasma, red blood cells (RBCs), and other cells whose concentrations correlate to physiological or pathological

Spatial attribution of aircraft mass balance experiment CO2 estimations for policy relevant boundaries: New York City

November 17, 2023

Author(s)

Jay M. Tomlin, Israel Lopez Coto, Kristian D. Hajny, Joseph R. Pitt, Robert Kaeser, Brian H. Stirm, Thilina Jayarathne, Cody R. Floerchinger, Róisín Commane, Paul B. Shepson

To effectively address the unprecedented acceleration of climate change, cities across the U.S. are leading efforts to reduce greenhouse gas emissions. Coherent

Small Corrections to 1989 NIST Constant-Volume Gas Thermometry Data

November 17, 2023

Author(s)

Allan H. Harvey

Constant-volume gas thermometry data published in 1989 for the difference between the thermodynamic temperature and the International Practical Temperature

Direct-Laser-Written Polymer Nanowire Waveguides for Broadband Single Photon Collection from Epitaxial Quantum Dots into a Gaussian-like Mode

November 16, 2023

Author(s)

Edgar Perez, Cori Haws, Marcelo Davanco, Jindong Song, Luca Sapienza, Kartik Srinivasan

Single epitaxial quantum dots (QDs) are a leading technology for quantum light generation, particularly when they are embedded in photonic geometries that

Group contribution method for the residual entropy scaling model for viscosities for branched alkanes

November 16, 2023

Author(s)

Erik Mickoleit, Andreas Jaeger, Constantino Grau Turelo, Monika Thol, Ian Bell, Cornelia Breitkopf

In this work it is shown how the entropy scaling paradigm introduced by Rosenfeld can be extended to calculate the viscosities of branched alkanes by group

EOS-CG-2021: A Mixture Model for the Calculation of Thermodynamic Properties of CCS Mixtures

November 16, 2023

Author(s)

Tobias Neumann, Stefan Herrig, Ian Bell, Robin Beckmüller, Eric W. Lemmon, Monika Thol, Roland Span

Thermodynamic properties for CCS-relevant mixtures can be calculated with the fundamental equation of state presented in this work over wide ranges of pressure

Wavelength-accurate nonlinear conversion through wavenumber selectivity in photonic crystal resonators

November 16, 2023

Author(s)

Jordan Stone, Xiyuan Lu, Gregory Moille, Daron Westly, Tahmid Rahman, Kartik Srinivasan

Photon-pair production and frequency translation using backward-wave spontaneous parametric downconversion

November 16, 2023

Author(s)

Paulina Kuo, Dileep Reddy, Varun Verma, Sae Woo Nam, Andrius Zukauskas, Carlota Canalias

Backward-wave three-wave mixing is a difficult χ(2) interaction to observe, because it requires ultrashort poling periods to achieve phasematching. Having

Semiclassical calculation of the power saturation of the Kerr effect in Rb vapor

November 16, 2023

Author(s)

Zachary H. Levine, Ziran Du

The Kerr effect in atomic vapor may be regarded as the power saturation of the susceptibility. Hence the saturable Kerr effect is intimately tied to the

Analysis of Neural Network Detectors for Network Attacks

November 15, 2023

Author(s)

Qingtian Zou, Lan Zhang, Anoop Singhal, Xiaoyan Sun, Peng Liu

While network attacks play a critical role in many advanced persistent threat (APT) campaigns, an arms race exists between the network defenders and the

Continuous Symmetry Breaking in a Trapped-Ion Spin Chain

November 15, 2023

Author(s)

Lei Feng, Or Katz, Casey Haack, Mohammad Maghrebi, Alexey Gorshkov, Zhexuan Gong, Marko Cetina, Christopher Monroe

Was this page helpful?