Explanipedia

P17.35.B SAFETY AND FEASIBILITY OF YTTRIUM-90 GLASS MICROSPHERES IN RECURRENT GLIOBLASTOMA: RESULTS FROM THE FIRST 12 PATIENTS TREATED IN THE FRONTIER TRIAL Open

Roger Stupp, S Ansari, Mary Tate, Nicholas Butowski, Kazim Narsinh , et al. · 2025

BACKGROUND Glioblastoma (GBM) is highly aggressive with poor prognosis, especially in recurrent cases where treatments are limited. Intra-arterial (IA) Yttrium-90 (Y90) microsphere therapy, CE-marked for hepatic neoplasia, offers the poten…

Quantum sensing in the presence of pulse errors and qubit leakage Open

David M. Lancaster, Muhammad Shahbaz, Hamed Goli Yousefabad, Sangam Chatterjee, Eegan Ram , et al. · 2025

Using both simulation and experiment, we investigate the robustness of dynamical decoupling sequences to pulse errors: rotation errors and detuning errors. Whereas prior work examined the effect of errors on coherence times, here we show t…

Optical spin readout of single rubidium atoms trapped in solid neon Open

David M. Lancaster, Ugne Dargyte, Jonathan D. Weinstein · 2024

In this work, we optically resolve and detect individual rubidium atoms trapped in solid neon. Additionally, we optically pump the rubidium's spin state using polarized light and measure the spin state via laser-induced fluorescence. When …

Pathogenesis to management of hepatocellular carcinoma Open

Ben L. Da, Aiwu Ruth He, Kirti Shetty, Kelly Suchman, Herbert Yu , et al. · 2022

Hepatocellular carcinoma (HCC) is the most common primary liver cancer whose incidence continues to rise in many parts of the world due to a concomitant rise in many associated risk factors, such as alcohol use and obesity. Although early-…

Posttreatment Exposure Rates for<sup>90</sup>Y-Microsphere Patients: A Comparison of Products Open

Steven I. Blum, Eugenio Silvestrini, Jonathan D. Weinstein, Craig Greben · 2022

There has been a significant increase in the use of ⁹⁰Y-microspheres in treating liver malignancies. This increase could be seen over the last 30 y, and Food and Drug Administration approval of 2 products-Sirtex SIR-Spheres and …

The Impact of Community-Based Testing Sites and Gift Incentives on COVID-19 Testing Uptake in Maryland, April 29 – May 9, 2021 Open

Caitlin Turbyfill, Isabel Thomas, Namita Agravat, Joanna M. Prasher, Randall J. Nett , et al. · 2022

Purpose Information on incentives for COVID-19 testing is needed to understand effective practices that encourage testing uptake. We describe characteristics of those who received an incentive after performing a rapid antigen test. Design …

Optical and spin-coherence properties of rubidium atoms trapped in solid neon Open

Ugne Dargyte, David M. Lancaster, Jonathan D. Weinstein · 2021

In this work, we measure the properties of ensembles of rubidium atoms\ntrapped in solid neon that are relevant for use as quantum sensors of magnetic\nfields: the spin coherence of the trapped atoms and the ability to optically\ncontrol a…

Radiative properties of rubidium atoms trapped in solid neon and parahydrogen Open

David M. Lancaster, Ugne Dargyte, Sunil Upadhyay, Jonathan D. Weinstein · 2021

It is known from ensemble measurements that rubidium atoms trapped in solid parahydrogen have favorable properties for quantum sensing of magnetic fields. To use a single rubidium atom as a quantum sensor requires a technique capable of ef…

Ultralong Spin-Coherence Times for Rubidium Atoms in Solid Parahydrogen via Dynamical Decoupling Open

Sunil Upadhyay, Ugne Dargyte, David Patterson, Jonathan D. Weinstein · 2020

Coherence time is an essential parameter for quantum sensing, quantum information, and quantum computation. In this work, we demonstrate electron spin coherence times as long as 0.1 s for an ensemble of rubidium atoms trapped in a solid pa…

Spin coherence and optical properties of alkali-metal atoms in solid parahydrogen Open

Sunil Upadhyay, Ugne Dargyte, Vsevolod D. Dergachev, Robert Prater, Sergey A. Varganov , et al. · 2019

We present a joint experimental and theoretical study of spin coherence\nproperties of 39K, 85Rb, 87Rb, and 133Cs atoms trapped in a solid parahydrogen\nmatrix. We use optical pumping to prepare the spin states of the implanted\natoms and …

Searching for Ultralight Dark Matter with Optical Cavities Open

Andrew Geraci, Colin Bradley, D. Gao, Jonathan D. Weinstein, Andrei Derevianko · 2019

We discuss the use of optical cavities as tools to search for dark matter (DM) composed of virialized ultralight fields (VULFs). Such fields could lead to oscillating fundamental constants, resulting in oscillations of the length of rigid …

Enhanced spin coherence of rubidium atoms in solid parahydrogen Open

Sunil Upadhyay, Ugne Dargyte, Robert Prater, Vsevolod D. Dergachev, Sergey A. Varganov , et al. · 2019

We measure the transverse relaxation of the spin state of an ensemble of\nground-state rubidium atoms trapped in solid parahydrogen at cryogenic\ntemperatures. We find the spin dephasing time of the ensemble (T$_2^*$) is\nlimited by inhomo…

Shaped nozzles for cryogenic buffer-gas beam sources Open

Di Xiao, David M. Lancaster, Cameron H. Allen, Mckenzie J. Taylor, Thomas A. Lancaster , et al. · 2019

Cryogenic buffer-gas beams are important sources of cold molecules. In this work we explore the use of a converging-diverging nozzle with a buffer-gas beam. We find that, under appropriate circumstances, the use of a nozzle can produce a b…

Enhanced spin coherence of rubidium atoms in solid parahydrogen Open

Sunil Upadhyay, Ugne Dargyte, Robert Prater, Vsevolod D. Dergachev, Sergey A. Varganov , et al. · 2018

We measure the transverse relaxation of the spin state of an ensemble of ground-state rubidium atoms trapped in solid parahydrogen at cryogenic temperatures. We find the spin dephasing time of the ensemble (T$_2^*$) is limited by inhomogen…

Broadband search for ultra-light dark matter with optical cavities Open

Andrew Geraci, Colin Bradley, D. Gao, Jonathan D. Weinstein, Andrei Derevianko · 2018

We discuss the use of optical cavities as tools to search for dark matter (DM) composed of virialized ultra-light fields (VULFs). Such fields could lead to oscillating fundamental constants, resulting in oscillations of the length of rigid…

Cold Anisotropically Interacting van der Waals Molecule: TiHe Open

N. Quirós, Naima Tariq, Timur V. Tscherbul, Jacek Kłos, Jonathan D. Weinstein · 2017

We have used laser ablation and helium buffer-gas cooling to produce titanium-helium van der Waals molecules at cryogenic temperatures. The molecules were detected through laser-induced fluorescence spectroscopy. Ground-state Ti(a^{3}F_{2}…

Stimulated deceleration of diatomic molecules on multiple rovibrational transitions with coherent pulse trains Open

Ekaterina Ilinova, Jonathan D. Weinstein, Andrei Derevianko · 2015

We propose a method of stimulated laser decelerating of diatomic molecules by counter-propagating π -trains of ultrashort laser pulses. The decelerating cycles occur on the rovibrational transitions inside the same ground electronic manifo…

Observation of a classical Cheshire cat in an optical interferometer Open

David P. Atherton, Gambhir Ranjit, Andrew Geraci, Jonathan D. Weinstein · 2015

A recent neutron interferometry experiment claims to demonstrate a paradoxical phenomenon dubbed the "quantum Cheshire cat" [Nat. Commun.5, 4492 (2014)]. We have reproduced and extended these results with an equivalent optical interferomet…

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