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Measurement of CP Violation Observables in D^{+}→K^{-}K^{+}π^{+} Decays.
Phys Rev Lett
December 2024
Institute of Physics, Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland.
Article Synopsis
- The study investigates CP symmetry violation in the decay of D^{+} particles into K^{-}K^{+}π^{+} using data from proton-proton collisions at a high energy of 13 TeV.
- A unique model-independent method was employed to analyze the phase-space distributions of D^{+} and D^{-} particles, correcting for any instrumental biases using D_{s}^{+} decays.
- The findings indicate no significant evidence of CP violation, with a p value of 8.1%, and measure specific CP asymmetry observables, marking this study as the most sensitive search of its kind in multibody decays.
Craniofacial Pain Locations and Outcomes After Endoscopic Sinus Surgery for Unilateral Sphenoid Sinusitis: A Multi-Institutional Study.
Laryngoscope
January 2025
Department of Otolaryngology-Head and Neck Surgery, Henry Ford Health, Detroit, Michigan, U.S.A.
Introduction: Unilateral sphenoid sinus opacification on computed tomography is caused by a variety of pathologies including inflammatory and infectious sinusitis, benign and malignant tumors, and encephaloceles. The purpose of this study was to report craniofacial pain locations and outcomes in inflammatory unilateral sphenoid sinusitis (USS) patients who underwent endoscopic sinus surgery (ESS).
Methods: A multi-institutional retrospective cohort study was conducted on all adult patients who had ESS for USS from 2015 to 2022.
Improving outcomes for very preterm babies in England: does place of birth matter? Findings from OPTI-PREM, a national cohort study.
Arch Dis Child Fetal Neonatal Ed
December 2024
Nuffield Department of Population Health, University of Oxford National Perinatal Epidemiology Unit, Oxford, UK.
Objective: Babies born between 27 and 31 weeks of gestation contribute substantially towards infant mortality and morbidity. In England, their care is delivered in maternity services colocated with highly specialised neonatal intensive care units (NICU) or less specialised local neonatal units (LNU). We investigated whether birth setting offered survival and/or morbidity advantages to inform National Health Service delivery.
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- Background: The study focused on the effectiveness of tranexamic acid in preventing bleeding and reducing the need for platelet transfusions in patients with blood cancers receiving intensive treatment.
- Methods: An international trial (TREATT) involved 616 adults under chemotherapy or stem-cell transplant, who were randomly assigned to receive either tranexamic acid or a placebo while monitored for bleeding and platelet recovery.
- Findings: Out of 1736 screened patients, 597 were included in the final analysis, revealing demographic details and outcomes related to bleeding events and mortality rates among the two groups.
Chimeras Derived from a P2Y Receptor Antagonist and UDP-Sugar Agonists for Potential Treatment of Inflammation.
ACS Pharmacol Transl Sci
October 2024
Molecular Recognition Section, Laboratory of Bioorganic Chemistry, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland 20892, United States.
Tethered glycoconjugates of a naphthalene- and piperidine-containing antagonist of the P2Y receptor (PPTN) were synthesized, and their nM receptor binding affinity was determined using a fluorescent tracer in hP2YR-expressing whole CHO cells. The rationale for preparing mono- and disaccharide conjugates of the antagonists was to explore the receptor binding site, which we know recognizes a glucose moiety on the native agonist (UDP-glucose), as well as enhance aqueous solubility and pharmacokinetics, including kidney excretion to potentially counteract sterile inflammation. Glycoconjugates with varied linker length, including PEG chains, were compared in hP2YR binding, suggesting that an optimal affinity (IC, nM) in the piperidine series was achieved for triazolyl -linked glucose conjugates having one (, MRS4872, 3.
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