Results 141 to 150 of about 81,496 (301)

Beam collimation and filtration optimization for a novel orthovoltage radiotherapy system

open access: yesMedical Physics, EarlyView.
Abstract Background The inaccessibility of clinical linear accelerators in low‐ and middle‐income countries creates a need for low‐cost alternatives. Kilovoltage (kV) x‐ray tubes have shown promise as a source that could meet this need. However, performing radiotherapy with a kV x‐ray tube has numerous difficulties, including high skin dose, rapid dose
Nathan Clements   +4 more
wiley   +1 more source

Sepsis and survival in critically ill calves: Risk factors and antimicrobial use

open access: yesJournal of Veterinary Internal Medicine, Volume 37, Issue 1, Page 374-389, January/February 2023., 2023
Abstract Background Sepsis is a life‐threatening disease for which critically important antimicrobials (CIA) frequently are used. Diagnostic and therapeutic guidelines for sepsis and critically ill calves are largely lacking. Objectives Identify factors associated with mortality in critically ill calves and describe bacteria obtained from blood ...
Mathilde L. Pas   +4 more
wiley   +1 more source

Assessing Histotaphonomy: A Pilot Study Using Image Analysis for Quantitative Scoring of Bone Diagenesis

open access: yesInternational Journal of Osteoarchaeology, EarlyView.
ABSTRACT This pilot study focusses on improving the methodological approach of histotaphonomy by integrating image analysis software for assessing bone diagenesis in both bone histological sections and microcomputed tomography (μ‐CT) scans of the same bone slice. Femurs and ribs from six individuals buried at the churchyard of St.
Lolita Trenchat   +6 more
wiley   +1 more source

Comet ATLAS (C/2024 S1) -- Second Ground-Based Discovery of a Kreutz Sungrazer in Thirteen Years [PDF]

open access: yesarXiv
Comet ATLAS (C/2024 S1) is a bright dwarf sungrazer, the second Kreutz comet discovery from the ground this century, 13 years after comet Lovejoy (C/2011 W3). The Population II membership of comet ATLAS sets it apart from the overwhelming majority of other bright dwarf sungrazers, most of them classified as members of Populations I, Pe, or Pre-I in the
arxiv  

Clinical modeling of motor function to predict treatment efficacy and enable in silico treatment comparisons in infantile‐onset Pompe disease

open access: yesCPT: Pharmacometrics &Systems Pharmacology, EarlyView.
Abstract Infantile‐onset Pompe disease (IOPD) is a rare, deadly, quickly‐progressing degenerative disease. Even with life‐sustaining treatment (e.g., alglucosidase alfa [ALGLU]), many patients experience continued motor impairment. The Mini‐COMET trial evaluated avalglucosidase alfa (AVAL) versus ALGLU on motor and other outcomes in IOPD.
Fatiha Rachedi   +6 more
wiley   +1 more source

Cortactin: A universal host cytoskeletal target of Gram‐negative and Gram‐positive bacterial pathogens

open access: yesMolecular Microbiology, Volume 118, Issue 6, Page 623-636, December 2022., 2022
In host‐pathogen interactions, actin‐cytoskeletal dynamics play a crucial role in successful adherence, invasion, and intracellular motility by many intruding microbes. To achieve this goal, bacterial pathogens target major host regulators, one of which is the key actin‐binding protein and class‐II actin nucleation‐promoting factor cortactin.
Irshad Sharafutdinov   +4 more
wiley   +1 more source

“Green” Aqueous Synthesis, Structural, and Optical Properties of Quaternary Cu2ZnSnS4 and Cu2NiSnS4 Nanocrystals

open access: yesphysica status solidi (b), EarlyView.
Novel Cu–Ni–Sn–S nanocrystals (NCs) stabilized with thioglycolic acid are synthesized in aqueous solutions. The structural and optical properties of Cu–Ni–Sn–S NCs are examined in colloidal solutions and thin films and compared to those of Cu–Zn–Sn–S NCs. The absorption coefficient is α > 104 cm−1 at 400 nm with an estimated Eg≈2.2 eV.
Oleksandra Ivakhno‐Tsehelnyk   +4 more
wiley   +1 more source

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