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Life Cycle Economic and Environmental Assessment for Emerging Heavy-Duty Truck Powertrain Technologies in China: A Comparative Study of Battery Electric, Fuel Cell Electric, and Hydrogen Combustion Engine Trucks.
Environ Sci Technol
January 2025
Saudi Aramco, Dhahran 31311, Saudi Arabia.
Amid ambitious net-zero goals and growing demands for freight logistics, addressing the climate challenges posed by the heavy-duty truck (HDT) sector is an urgent and pivotal task. This study develops an integrated HDT model by incorporating vehicle dynamic simulation and life cycle analysis to quantify energy consumption, greenhouse gas (GHG) emissions, and total cost of ownership associated with three emerging powertrain technologies in various truck use scenarios in China, including battery electric, fuel cell electric, and hydrogen combustion engine trucks. The results reveal varying levels of economic suitability for these powertrain alternatives depending on required driving ranges and duty cycles: the battery electric for regional-haul applications, the hydrogen fuel cell for longer-haul and low-load driving conditions, and the hydrogen combustion engine to meet high power requirements.
View Article and Find Full Text PDFBackground: Dental caries remains the most prevalent chronic disease worldwide. Hence the importance of detecting and evaluating caries and combining this with additional diagnostic methods to ensure the best treatment. The main objective was to study what is the sensitivity and specificity for detecting initial and cavitated caries lesions by students in third, fourth and fifth year of the Degree in Dentistry at the University of Barcelona, analysing if there is any difference between the diagnoses and treatments among the different years and each student's clinical experience.
View Article and Find Full Text PDFPhosphoproteomics for studying signaling pathways evoked by hormones of the renin-angiotensin system: A source of untapped potential.
Acta Physiol (Oxf)
February 2025
Department of Molecular Medicine, Cardiovascular and Renal Research Unit, University of Southern Denmark, Odense M, Denmark.
The Renin-Angiotensin System (RAS) is a complex neuroendocrine system consisting of a single precursor protein, angiotensinogen (AGT), which is processed into various peptide hormones, including the angiotensins [Ang I, Ang II, Ang III, Ang IV, Ang-(1-9), Ang-(1-7), Ang-(1-5), etc] and Alamandine-related peptides [Ang A, Alamandine, Ala-(1-5)], through intricate enzymatic pathways. Functionally, the RAS is divided into two axes with opposing effects: the classical axis, primarily consisting of Ang II acting through the AT receptor (ATR), and in contrast the protective axis, which includes the receptors Mas, ATR and MrgD and their respective ligands. A key area of RAS research is to gain a better understanding how signaling cascades elicited by these receptors lead to either "classical" or "protective" effects, as imbalances between the two axes can contribute to disease.
View Article and Find Full Text PDFEvaluation of an e-self-management intervention (Happy Hands app) for hand osteoarthritis: Study protocol for a multicentre randomised controlled trial.
Rheumatol Int
January 2025
Center for Treatment of Rheumatic and Musculoskeletal Diseases (REMEDY), Health Service Research and Innovation Unit, Oslo, Norway.
Objective: This protocol paper describes the rationale and design of a randomised controlled trial (RCT) that aims to evaluate the (cost-)effectiveness of a 12 week e-self-management intervention (Happy Hands app) in people with hand osteoarthritis (HOA).
Methods: In this multicentre RCT, 376 people with HOA will be recruited from all four health regions in Norway. Consenting participants will be randomly allocated to either a control group receiving usual care or an intervention group receiving the Happy Hands app in addition to usual care.
Recent advances in rapid detection of Helicobacter pylori by lateral flow assay.
Arch Microbiol
January 2025
Department of Laboratory Medicine, Jinan Second People's Hospital of Shandong Province (Jinan Eye Hospital), No. 148, Jingyi Road, Jinan, 250022, Shandong, China.
Infection with H. pylori (Helicobacter pylori) is the most prevalent human infection worldwide and is strongly associated with many gastrointestinal disorders, including gastric cancer. Endoscopy is mainly used to diagnose H.
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