Sample preparation and 4D-STEM A high-purity (99.999%), undoped, commercially available Si single crystal (Crystal Base Co., Ltd.) was mechanically crushed in a mortar and the resulting fragments dispersed onto a molybdenum TEM grid with a carbon support film and the grid was immediately transferred into the microscope to avoid surface oxidation. To remove hydrocarbon contamination,
Pandhurnekar, C. P., Pandhurnekar, H. C., Mungole, A. J., Butoliya, S. S. & Yadao, B. G. A review of recent synthetic strategies and biological activities of isoxazole. J. Heterocycl. Chem. 60, 537–565 (2023). Article CAS Google Scholar Ganesh, B. H. et al. Pyrrole: a decisive scaffold for the development of therapeutic agents and structure–activity relationship.
Weeping willow trees are found in many cities globally.Credit: avada/Alamy Across Beijing, millions of weeping willows and poplar trees turn the megacity into a green metropolis. But compounds released by these trees are becoming a major contributor to air pollution1, finds a study. Beijing is not alone. Many trees planted in urban areas — species
A cleaning drone was hovering outside the office window when I sat down, its soft bristles tracing the glass in patient rows. I leaned sideways to see past it and pulled up the morning docket. The court order was unambiguous: freeze all fiat assets tied to Yanxi Logistics Technology. It was a routine debt recovery:
Laboratory meetings are part and parcel of the research experience. Regularly meeting with your colleagues can foster collaborations, build a sense of community and help with problem-solving. Every group does things in its own way, but meetings usually involve presentations from one or more team members, discussions of relevant papers and updates from the institution.
The South African parliament has yet to debate the proposed natural-sciences bill. Credit: Franz Aberham/Getty Natural scientists in South Africa could be imprisoned for up to a year for failing to register with a government-backed regulatory body, according to proposed legislation that is to go before South Africa’s parliament. Under the terms of the proposed