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Developing predictive models for assessing LC of organic contaminants in Gammarus species using interpretable structural parameters.
Aquat Toxicol
January 2025
Department of Chemistry, Semnan University, Iran.
Gammarus species are crucial indicators of environmental health, making them important for ecological studies and water quality assessments. They offer a wide range of specific responses regarding the median lethal concentration (LC) of organic compounds. This research presents four predictive models to determine the LC of chemicals impacting selected gammarid amphipods: Gammarus lacustris, Gammarus fasciatus, Gammarus pulex, and Gammarus pseudolimnaeus.
View Article and Find Full Text PDFFrequency of low ImPACT scores among adolescent and young adult student-athletes with attention-deficit/hyperactivity disorder and/or learning disorder.
Front Neurol
November 2024
Department of Physical Medicine and Rehabilitation, Harvard Medical School, Boston, MA, United States.
Article Synopsis
- * A study analyzed 174,878 student-athletes to assess the frequency of low scores on a concussion management test (ImPACT) for those with self-reported ADHD and/or LD, comparing them to a control group without these disorders.
- * Results indicated that student-athletes with LD frequently scored low on the ImPACT (30-37%) and those with both ADHD and LD also showed significant low scoring rates (24-31%), highlighting the need for better understanding of these conditions in concussion assessments.
Reconstructing Terrestrial Paleoclimate and Paleoecology with Fossil Leaves Using Digital Leaf Physiognomy and Leaf Mass Per Area.
J Vis Exp
October 2024
Department of Geosciences, Baylor University;
Climate and environment strongly influence the size, shape, and toothiness (physiognomy) of plants' leaves. These relationships, particularly in woody non-monocotyledonous angiosperms, have been used to develop leaf-based proxies for paleoclimate and paleoecology that have been applied to reconstruct ancient terrestrial ecosystems for the last ~120 million years of Earth's history. Additionally, given that these relationships have been documented in living plants, they are important for understanding aspects of plant evolution and how plants respond to climatic and environmental changes.
View Article and Find Full Text PDFProcessing Next-Generation Mass Spectrometry Imaging Data: Principal Component Analysis at Scale.
J Am Soc Mass Spectrom
December 2024
The Maastricht MultiModal Molecular Imaging Institute (M4i), Division of Imaging Mass Spectrometry, Maastricht University, Maastricht 6229 ER, The Netherlands.
Mass spectrometry imaging (MSI) is constantly improving in spatial resolving power, throughput and mass resolution. Although beneficial, these improvements increase data set size and content. The larger data requires correspondingly fast computer-based analyses.
View Article and Find Full Text PDFPrevalence and associated factors of ECG abnormality patterns indicative of cardiac channelopathies among adult general population of Tehran, Iran: a report from the Tehran Cohort Study (TeCS).
BMC Cardiovasc Disord
October 2024
Cardiac Primary Prevention Research Center, Cardiovascular Diseases Research Institute, Tehran University of Medical Sciences, Tehran, Iran.
Article Synopsis
- The study investigated ECG abnormalities related to cardiac channelopathies linked to sudden cardiac death among adults in Tehran, Iran, highlighting their under-recognition in the region.
- Out of 7,350 analyzed ECGs, long QT intervals were the most common abnormality found at 3.08%, with several factors influencing their prevalence, such as age and lifestyle choices.
- Overall, those with abnormal ECG patterns had a significantly higher all-cause mortality rate (6.3%) compared to those without such patterns (2.96%), indicating potential health risks.
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