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Displaying 2951 - 2975 of 73783

Production, purification and characterization of 15N5-labeled cis- and trans-aflatoxin B1-formamidopyrimidines, and aflatoxin B1-N7-guanine as internal standards for mass spectrometric measurements

April 11, 2023
Author(s)
Pawel Jaruga, Melis Kant, Miral M. Dizdar, Rachana Tomar, Vladimir Vartanian, Benjamin Sexton, Carmelo Rizzo, Robert Turesky, Michael Stone, R. Stephen Lloyd
Exposure to aflatoxin B1 (AFB1) through contaminated food is a primary contributor to the occurrence of hepatocellular carcinogenesis worldwide. Hepatitis B viral infections in livers dramatically increase the carcinogenic potency of AFB1 exposures. Liver

Scalable Multi-Agent Lab Framework for Lab Optimization

April 11, 2023
Author(s)
A. Gilad Kusne, Austin McDannald
Autonomous materials research systems allow scientists to fail smarter, learn faster, and spend less resources in their studies. As these systems grow in number, capability, and complexity, a new challenge arises – how will they work together across large

The emerging landscape of single-molecule protein sequencing technologies

April 11, 2023
Author(s)
Zvi Kelman, John Marino
Single-cell profiling methods have had a profound impact on the understanding of cellular heterogeneity. While genomes and transcriptomes can be explored at the single-cell level, single-cell profiling of proteomes is not yet established. Here we describe

A Critical Review on the Factors that Influence Water Quality: From the Water Source to the Fixtures in Residential Buildings

April 10, 2023
Author(s)
Alshae Logan, Marylia Duarte Batista, William M. Healy, Tania Ullah, Andrew Whelton, Timothy Bartrand, Caitlin Proctor, Jennifer Dootz, Visesh Uppoor
Residential buildings provide more opportunities for opportunistic premise plumbing pathogens (OPPPs) exposure via aerosolized water droplets compared to commercial buildings. As such, there needs to be preventative measures in place to reduce these types

Constraints on Gaussian Error Channels and Measurements for Quantum Communication

April 10, 2023
Author(s)
Alexander T. Kwiatkowski, Ezad Shojaee, Sristy Agrawal, Akira Kyle, Curtis Rau, Scott Glancy, Emanuel Knill
Joint Gaussian measurements of two quantum systems are important for quantum communication between remote parties and are often used in continuous-variable teleportation or entanglement-swapping protocols. Many of the errors in real-world implementations

Quantum back-action limits in dispersively measured Bose-Einstein condensates

April 8, 2023
Author(s)
Ian Spielman, Emine Altuntas
A fundamental tenet of quantum mechanics is that measurements change a system's wavefunction to that most consistent with the measurement outcome, even if no observer is present. Weak measurements produce only limited information about the system, and as a

The optical and magnetic properties of Ru-doped hybrid improper perovskite Ca3Mn2O7 via experimental and first-principles calculations

April 7, 2023
Author(s)
Kejia Yuan, Hanwen Zhang, Tianqi Xiao, Zhiyan Li, Winnie Wong-Ng, Wei Zhou, Chao Wang, Shouyu Wang, Weifang Liu
The quasi-2D Ruddlesden-Popper layered perovskites with single-phase multiferroicity have attracted much attention in recent magnetoelectric memory applications. We have systematically investigated the optical and magnetic properties of Ru-doped hybrid

Berlin Statement on Legacy and Emerging Contaminants in Polar Regions

April 6, 2023
Author(s)
Rebecca Pugh, Ralf Ebinghaus, Elena Barbaro, Susan Bengtson Nash, Cristina de Avila, Cynthia de Wit, Valeria Dulio, Janine Felden, Antonio Franco, Juergen Gandrass, Marco Grotti, Heike Herata, Kevin Hughes, Morten Jartun, Hanna Joerss, Roland Kallenborn, Jan Koschorreck, Anette Kuster, Rainer Lohmann, Zhanyun Wang, Matthew MacLeod, Caren Rauert, Jaroslav Slobodnik, Roxana Suhring, Katrin Vorkamp, Zhiyong Xie
Polar regions should be given greater consideration with respect to chemical monitoring, chemicals risk assessment, and management, consistent with requirements of the precautionary principle. Protecting the vulnerable polar environments requires (i)

Security Segmentation in a Small Manufacturing Environment

April 6, 2023
Author(s)
Michael Powell, John Hoyt, Aslam Sherule, Lynette Wilcox
Manufacturers are increasingly targeted in cyber-attacks. Small manufacturers are particularly vulnerable due to limitations in staff and resources to operate facilities and manage cybersecurity. Security segmentation is a cost-effective and efficient

Lower Bounds on Quantum Annealing Times

April 5, 2023
Author(s)
Luis Pedro Garcia-Pintos, Lucas Brady, Jacob Bringewatt, Yi-Kai Liu
The adiabatic theorem provides sufficient conditions for the time needed to prepare a target ground state. While it is possible to prepare a target state much faster with more general quantum annealing protocols, rigorous results beyond the adiabatic

Towards Global Parameter Estimation Exploiting Reduced Data Sets

April 5, 2023
Author(s)
Susanne Sass, Angelos Tsoukalas, Ian Bell, Dominik Bongartz, Jaromil Najman, Alexander Mitsos
We focus on deterministic global optimization (DGO) methods for solving nonconvex parameter estimation problems. In estimation problems, realistic and accurate solutions require a fitting against huge measurement data sets often. However, many of the
Displaying 2951 - 2975 of 73783
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