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The diatom test in the field of forensic medicine: a review of a long-standing question.
Int J Legal Med
November 2024
Université de Paris, CNRS, BABEL, Paris, F-75012, France.
This article evaluates the criteria for diatom testing in forensic investigations, focusing on drowning cases. Diatoms, unicellular algae found in aquatic environments, are critical to the determination of drowning because water containing diatoms is inhaled during submersion. The primary objectives include defining the exact amount and type of tissue to be analyzed, expressed in terms of diatom concentration relative to tissue weight, and detailing the conditions under which water samples are collected to study the diatom flora at the site.
View Article and Find Full Text PDFInflationary Butterfly Effect: Nonperturbative Dynamics from Small-Scale Features.
Phys Rev Lett
October 2024
Institut d'Astrophysique de Paris, UMR 7095 du CNRS et de Sorbonne Université, 98 bis bd Arago, 75014 Paris, France.
For the first time, we investigate the nonperturbative dynamics of single field inflation with a departure from slow roll. Using simulations, we find that oscillatory features in the potential can drastically alter the course of inflation, with major phenomenological implications. In certain cases, the entire Universe gets trapped in a forever inflating de Sitter state.
View Article and Find Full Text PDFRole of ultrasound-guided vacuum-assisted breast biopsy in the management of radiologic-pathologic discordance: a retrospective single-centre study.
Radiol Med
October 2024
Department of Biomedical Sciences, Humanitas University, Via R. Levi Montalcini 4, 20072, Pieve Emanuele, Milan, Italy.
Purpose: To evaluate the efficacy of US-guided vacuum-assisted biopsy (US-VAB) in radiologic-pathologic (rad-path) discordance in women with suspicious breast lesions.
Methods: Two thousand three hundred and sixty patients with 2385 BI-RADS category 4 and 5 lesions underwent percutaneous US-guided CNB. Thirty-six lesions were classified as discordant benign and underwent second-line US-VAB.
Ising meson spectroscopy on a noisy digital quantum simulator.
Nat Commun
July 2024
Department of Physics and Astronomy, Rutgers University, Piscataway, NJ, USA.
Quantum simulation has the potential to be an indispensable technique for the investigation of non-perturbative phenomena in strongly-interacting quantum field theories (QFTs). In the modern quantum era, with Noisy Intermediate Scale Quantum (NISQ) simulators widely available and larger-scale quantum machines on the horizon, it is natural to ask: what non-perturbative QFT problems can be solved with the existing quantum hardware? We show that existing noisy quantum machines can be used to analyze the energy spectrum of several strongly-interacting 1+1D QFTs, which exhibit non-perturbative effects like 'quark confinement' and 'false vacuum decay'. We perform quench experiments on IBM's quantum simulators to compute the energy spectrum of 1+1D quantum Ising model with a longitudinal field.
View Article and Find Full Text PDF-mediated transient expression methods are widely used to study gene function in both model and non-model plants. Using a dual-luciferase assay, we quantified the effect of -infiltration parameters on the transient transformation efficiency of seedlings. We showed that transformation efficiency is highly sensitive to seedling developmental state and a pre- and post-infiltration dark incubation and is less sensitive to the growth stage.
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