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Nationwide Trends in Hospitalizations for Sudden Cardiac Arrest Before and During the COVID Outbreak Open

Sarah Daoudi, Ariel Furer, Kevin D. John, Fadi Chalhoub, Jennifer Chee , et al. · 2025

Background/Objectives: Sudden cardiac arrest (SCA) accounts for ~50% of cardiovascular mortality in the U.S. Cardiovascular complications are common in acute and post-acute COVID-19 infection. We aimed to examine nationwide trends in SCA-r…

Impact of comorbidity burden on outcome in patients with cardiogenic shock: A Cardiogenic Shock Working Group analysis Open

Jonas Sundermeyer, Song Li, Van‐Khue Ton, Rachna Kataria, Elric Zweck , et al. · 2025

Aims Comorbidity burden is a major determinant of outcomes. Its prognostic impact on cardiogenic shock (CS) across CS subtypes remains insufficiently characterized. We aimed to characterize the prevalence and distribution of comorbidities …

Acute Effects of Caffeine and Taurine Co‐Ingestion on Time to Exhaustion and Thermoregulatory Responses to Cycling in the Heat Open

James N Aggett, Joe Page, Jenny Peel, Kevin D. John, Guilherme Matta , et al. · 2025

Caffeine and taurine are commonly co‐ingested pre‐exercise but elicit different thermoregulatory responses; however, their combined effect on thermoregulation is unknown. Therefore, we evaluated the effects of oral caffeine and taurine co‐…

Interatrial Block in the Presence of Lipomatous Atrial Septal Hypertrophy Open

Abdulaziz Malik, Kevin D. John, Mohamad Wahoud, Basel Humos, Guy Rozen , et al. · 2024

Nationwide Trends in Hospitalizations for Atrial Fibrillation and Flutter in the United States before and during the Outbreak of the COVID-19 Pandemic Open

Sarah Daoudi, Kevin D. John, Fadi Chalhoub, Jennifer Chee, Margaret Infeld , et al. · 2024

Background/Objectives: Atrial fibrillation (AF) and flutter (AFL) are the most common cardiac arrhythmias worldwide. Cardiovascular complications are a common manifestation of acute and post-acute COVID-19 infection. We aimed to analyze th…

The effect of a 4-week, remotely administered, post-exercise passive leg heating intervention on determinants of endurance performance Open

Kevin D. John, Joe Page, Shane M. Heffernan, Gillian E. Conway, Neil E. Bezodis , et al. · 2024

Caffeine ingestion compromises thermoregulation and does not improve cycling time to exhaustion in the heat amongst males Open

Kevin D. John, Sayyam Kathuria, Jenny Peel, Joe Page, Robyn Aitkenhead , et al. · 2024

Accelerator-based production of the therapy isotope 225Ac Open

John W. Weidner, F.M. Nortier, H. Bach, Kevin D. John, A. Couture , et al. · 2024

Production of 72Se for use in a 72Se/72As generator for PET imaging Open

B. Ballard, Eva R. Birnbaum, Kevin D. John, Michael E. Fassbender, W. A. Taylor , et al. · 2024

Exploring the energy/beam current parameter space for the isotope production facility (IPF) at LANSCE Open

M. S. Gulley, H. Bach, F.M. Nortier, C. Pillai, Leo Bitteker , et al. · 2024

IPF has recently investigated isotope production with proton beams at energies other than the 100-MeV currently available to the IPF beam line. To maximize the yield of a particular isotope, it is necessary to measure the production rate a…

Production of High Specific Activity 186Re for Cancer Therapy Using a WO3 Target in a Proton Beam Open

Michael E. Fassbender, B. Ballard, Eva R. Birnbaum, F.M. Nortier, Jonathan W. Engle , et al. · 2024

Upgrading of biorenewables to high energy density fuels Open

John C. Gordon, Enrique R. Batista, Weizhong Chen, Robert P. Currier, Matthew Dirmyer , et al. · 2024

According to a recent report, lignocellulose is the most abundant renewable biological resource on earth, with an annual production of {approx} 200 x 10{sup 9} tons. Conversion of lignocellulosics derived from wood, agricultural wastes, an…

Near real-time fluorescence detection of beryllium Open

T. Mark McCleskey, DS Ehler, Edel M. Minogue, Gavin E. Collis, T.S. Keizer , et al. · 2024

We report on a fluorescent test for beryllium designed for analyzing swipes. The detection is rapid, quantitative and deployable in the field with $5,000 portable fluorimeter. Swipes are placed in a vial and a dilution solution is added. T…

Electronic structures of ytterbocene-imine complexes Open

R.E. Da Re, Chris J. Kuehl, Kevin D. John, David E. Morris · 2024

The electronic structures of complexes of the form [(C{sub 5}Me{sub 5}){sub 2}Yb(L)]{sup +/0} (L = bipyridine, phenanthroline, terpyridine) have been probed using cyclic voltammetry and electronic spectroscopy. Remarkably, the voltammetric…

Nitrogen-rich macrocyclic ligands, chelation complexes thereof, and process for selective chelation of radioactive bismuth ions with the ligands Open

Justin J. Wilson, Eva R. Birnbaum, Kevin D. John, F.M. Nortier, Michael E. Fassbender , et al. · 2023

Selective chelation of bismuth radionuclide ions from a mixture including actinium radionuclide ions involves exposing a ligand to an aqueous solution that includes bismuth radionuclide ions and actinium radionuclide ions under conditions …

A Contactless Smart WiFi-Based Application Presence or Fall Detection System: Analyzing Channel State Information (CSI) Signals Open

Murad Al-Rajab, Shadi Al Zraiqat, Kevin D. John, Moutasim Billah El Ayoubi, Mohammad Omar Qassem · 2023

Falls are considered to be the most common accident among people of determination and the elderly. Recently, many solutions have been proposed, whether wearable or noncontact, for people presence or falling detection (FD). These solutions …

Abstract Number ‐ 97: Middle meningeal artery embolization to treat chronic subdural hematomas – Retrospective study of morphological parameters Open

Shoaib Syed, Shoaib Syed, Kevin D. John, Reza Dashti, David Fiorella , et al. · 2023

Introduction Chronic subdural hematomas are a common neurovascular condition that involve the gradual and continual exudation of fluid from a compromised cell layer lining the dura [1]. Embolization of the middle meningeal artery (MMAE) re…

Quantitative method of determining beryllium or a compound thereof in a sample Open

T. Mark McCleskey, Deborah S. Ehler, Kevin D. John, Anthony K. Burrell, Gavin E. Collis , et al. · 2023

A method of determining beryllium or a beryllium compound thereof in a sample, includes providing a sample suspected of comprising beryllium or a compound thereof, extracting beryllium or a compound thereof from the sample by dissolving in…

Factors contributing to the change in thermoneutral maximal oxygen consumption after iso‐intensity heat acclimation programmes Open

Jenny Peel, Kevin D. John, Joe Page, Georgia A. Scott, Owen Jeffries , et al. · 2022

The factors explaining variance in thermoneutral maximal oxygen uptake ( O 2max ) adaptation to heat acclimation (HA) were evaluated, with consideration of HA programme parameters, biophysical variables and thermo‐physiological responses. …

CLABSI in Hemodialysis– New Face to an Old Foe; A Look at Current Trends and a Review of Literature Open

Nisha Jose, S. Manikantan, Kevin D. John, Ram Prasad, M. Jayakumar · 2022

Background: Bloodstream infections are a potentially devastating complication of hemodialysis. This study aimed to elucidate the rates of CLABSI (Central Line Associated Blood Stream Infections)in a south Indian dialysis cohort and determi…

CCDC 2112356: Experimental Crystal Structure Determination Open

Jenna K. Buchanan, Rebecca J. Severinsen, Magnus R. Buchner, Lewis R. Thomas‐Hargreaves, Nils Spang , et al. · 2021

A reverse 230U/226Th radionuclide generator for targeted alpha therapy applications Open

Tara Mastren, Andrew C. Akin, Roy Copping, Mark Brugh, D. Scott Wilbur , et al. · 2020

Novel design and diagnostics improvements for increased production capacity and improved reliability at the Los Alamos Isotope Production Facility Open

Ellen O’Brien, Supriya Baily, Eva R. Birnbaum, Catherine Chapman, Enríquez Espinoza , et al. · 2019

CCDC 1848945: Experimental Crystal Structure Determination Open

Benjamin W. Stein, Amanda Morgenstern, Enrique R. Batista, Eva R. Birnbaum, Sharon Bone , et al. · 2019

Advancing Chelation Chemistry for Actinium and Other +3 f-Elements, Am, Cm, and La Open

Benjamin W. Stein, Amanda Morgenstern, Enrique R. Batista, Eva R. Birnbaum, Sharon Bone , et al. · 2019

A major chemical challenge facing implementation of ²²⁵Ac in targeted alpha therapy-an emerging technology that has potential for treatment of disease-is identifying an ²²⁵Ac chelator that is compatible with in viv…

View article: LANSCE Pulse

LANSCE Pulse Open

G. Sinnis, Eva R. Birnbaum, Donald W. Brown, Mark Brugh, A. Couture , et al. · 2019

For more than four decades, the United States has relied on the Los Alamos Neutron Science Center (LANSCE) accelerator to deliver high-energy, high-power proton beams in support of national security science. Today the LANSCE facility is a …

View article: US DOE Tri-Lab Research and Production Effort to Provide Accelerator-Produced 225Ac for Radiotherapy: 2019 Update

US DOE Tri-Lab Research and Production Effort to Provide Accelerator-Produced 225Ac for Radiotherapy: 2019 Update Open

Kevin D. John · 2019

View article: Chemical Purification of Actinium-225 from Proton-Irradiated Thorium Targets

Chemical Purification of Actinium-225 from Proton-Irradiated Thorium Targets Open

Ashley N. Dame, Roy Copping, R. A. Boll, Daniel Stracner, Joseph Wright , et al. · 2019

View article: Coordination Chemistry of +3 Actinium

Coordination Chemistry of +3 Actinium Open

Stosh A. Kozimor, Enrique R. Batista, Kevin D. John, Eva R. Birnbaum, Veronika Mocko , et al. · 2019

View article: Separation of Protactinium Employing Sulfur-Based Extraction Chromatographic Resins

Separation of Protactinium Employing Sulfur-Based Extraction Chromatographic Resins Open

Tara Mastren, Benjamin W. Stein, T. Gannon Parker, Valery Radchenko, Roy Copping , et al. · 2018

Protactinium-230 ( t_1/2 = 17.4 d) is the parent isotope of ²³⁰U ( t_1/2 = 20.8 d), a radionuclide of interest for targeted alpha therapy (TAT). Column chromatographic methods have been developed to separate …