Researchers developed a rapid mixing reaction method to synthesize trifluoromethyl intermediate from fluoroform, taking less than a second. The new technique allows for improved yield of fluoride-based compounds and introduces a robust synthesis method for fluorine-based drugs.
SourcePohang University of Science & Technology (POSTECH)·JournalNature Communications·DateMay 21, 2023
The Zhurong rover has provided direct in-situ evidence of ancient oceans in the northern plains of Mars, with sedimentary structures forming during the regression of a paleo-ocean. The discovery sheds new light on the early history of Mars and its habitability.
SourceScience China Press·JournalNational Science Review·DateMay 21, 2023
The PARAGLIDE-HF trial found that sacubitril/valsartan significantly reduces plasma NT-proBNP levels compared to valsartan alone in patients with an ejection fraction above 40%. The study also showed a larger treatment effect in those with EF ≤60%, suggesting potential benefits for this population.
SourceEuropean Society of Cardiology·JournalJournal of the American College of Cardiology·DateMay 21, 2023
A deep learning-based Transformer model, Bloomformer-1, has been developed to identify the driving factors of algal growth in the Middle Route of the South-to-North Water Diversion Project. The results reveal that total phosphorus is the most significant factor affecting algal growth, especially in the Henan section, while total nitrog...
SourceKeAi Communications Co., Ltd.·JournalWater Biology and Security·TypeComputational simulation/modeling·DateMay 21, 2023
Sky-Watcher EQ6-R Pro Equatorial Mount
Sky-Watcher EQ6-R Pro Equatorial Mount provides precise tracking capacity for deep-sky imaging rigs during long astrophotography sessions.
A new AI-enabled forecasting model can predict ENSO events for up to 22 months, overcoming the limitations of previous models. The Spatio-Temporal Information Extraction and Fusion (STIEF) model uses deep learning to extract space and time features and fuse them together, providing a more accurate prediction length.
SourceOcean-Land-Atmosphere Research (OLAR)·JournalOcean-Land-Atmosphere Research·TypeData/statistical analysis·DateMay 21, 2023
A retrospective analysis of patient data suggests that targeting mucus plugs in the lungs may help prevent deaths from COPD. The study found that patients with mucus plugs had a higher mortality rate compared to those without, with significant associations across different disease phases.
SourceBrigham and Women's Hospital·JournalJAMA·TypeObservational study·DateMay 21, 2023
Researchers fabricated 2D perovskite solar cells based on molecular ferroelectrics, achieving the highest open circuit voltage and best efficiency among 2D Ruddlesden-Popper perovskite solar cells. The introduction of ferroelectricity improved charge transport and device performance.
SourceScience China Press·JournalNational Science Review·DateMay 21, 2023
A new hybrid operation, TEPS, has been introduced to treat gastrointestinal bleeding caused by portal vein obstruction. The procedure combines traditional surgical and interventional approaches to effectively resolve life-threatening clinical manifestations associated with cavernous transformation of the portal vein (CTPV).
SourceKeAi Communications Co., Ltd.·JournalJournal of Interventional Medicine·TypeObservational study·DateMay 21, 2023
A literature review found that dietary nitrate from vegetables may prevent cardiovascular disease, while nitrate from meat and water may pose a cancer risk. Experts emphasize the need for clarification in current guidelines and more research to distinguish fact from fiction.
SourceEdith Cowan University·JournalTrends in Food Science & Technology·TypeLiterature review·DateMay 21, 2023
Apple iPhone 17 Pro
Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.
A new supply chain model has been developed to guide the transportation of hydrogen and its embodied energy, enabling more efficient exports of renewable energy. The model suggests that methanol shows great promise as a chemical carrier for exporting renewable energy from Australia at low costs.
SourceUniversity of Technology Sydney·JournalEnergy Conversion and Management·TypeComputational simulation/modeling·DateMay 21, 2023
Researchers discovered nonlocal effects in large semiconductor nanocrystals, reducing Auger recombination rate exponentially, achieving high biexciton efficiency of up to 80% in CsPbBr3 nanocrystals. This discovery provides a guideline for fabricating advanced quantum emitters.
SourceLight Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS·JournaleLight·DateMay 21, 2023