Publications by authors named "J A Roebuck"
Article Synopsis
- Increasing wildfire severity in the western U.S. affects the production and composition of dissolved organic matter (DOM), which is crucial for understanding its impact on ecosystems.
- Current research on wildfire-affected DOM focuses on temperature, but this doesn't capture the full complexity of post-fire conditions characterized by burn severity.
- This study used simulated burns to analyze DOM from various land cover types, revealing that burn severity alters DOM composition, leading to an increase in aromatic and nitrogen-containing compounds as severity rises, enhancing our understanding of DOM in real-world scenarios.
Article Synopsis
- This qualitative study examined the experiences and attitudes towards exercise in adults with class III obesity, revealing unique challenges they face in participating in physical activity.
- Participants identified significant barriers to exercise, including perceived judgment, low physical function, pain during daily tasks, and past weight loss failures, leading to exercise avoidance.
- The study emphasizes the need for personalized, weight-neutral exercise programs that cater to the specific physical and psychological needs of individuals with class III obesity, rather than generic prescriptions focused solely on increasing energy expenditure.
Wildfires produce solid residuals that have unique chemical and physical properties compared to unburned materials, which influence their cycling and fate in the natural environment. Visual burn severity assessment is used to evaluate post-fire alterations to the landscape in field-based studies, yet muffle furnace methods are commonly used in laboratory studies to assess molecular scale alterations along a temperature continuum. Here, we examined solid and leachable organic matter characteristics from chars visually characterized as low burn severity that were created either on an open air burn table or from low-temperature muffle furnace burns.
View Article and Find Full Text PDFMolecular subtypes of Small Cell Lung Cancer (SCLC) have been described based on differential expression of transcription factors (TFs) , and immune-related genes. We previously reported an additional subtype based on expression of the neurogenic TF within our SCLC Circulating tumour cell-Derived eXplant (CDX) model biobank. Here we show that ATOH1 protein was detected in 7/81 preclinical models and 16/102 clinical samples of SCLC.
View Article and Find Full Text PDFArticle Synopsis
- Understanding cross-scale interactions is crucial for predicting coastal system responses to global change, necessitating cohesive and transferable datasets.
- The EXCHANGE Consortium, a collaborative network of researchers, collected data from 52 coastal terrestrial-aquatic interfaces (TAIs) in Fall 2021 to analyze ecosystem control points.
- Samples included soils, surface waters, and sediments from various coastal regions, with initial measurements focusing on water quality, geochemical properties, and physicochemical characteristics.