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Highly effective antibacterial activity of lithium-dopedmagnesium oxide particles synthesized by the microwave-assisted hydrothermal route
MgO particles Bacterial inactivation Microwave-assisted hydrothermal route Li doping Antibacterial mechanism
2023/6/21
Nanocrystallinemagnesiumoxide with different lithiumdopingmolar contents were prepared by amicrowaveassisted hydrothermal route to improve their antibacterial activity. The as-preparedMgO and Li-doped...
Like ancient mariners, ancestors of Prochlorococcus microbes rode out to sea on exoskeleton particles（图）
原绿球菌 微生物 外骨骼颗粒 浮游植物 几丁质颗粒
2023/6/21
Throughout the ocean, billions upon billions of plant-like microbes make up an invisible floating forest. As they drift, the tiny organisms use sunlight to suck up carbon dioxide from the atmosphere. ...
A wildfire can pump smoke up into the stratosphere, where the particles drift for over a year. A new MIT study has found that while suspended there, these particles can trigger chemical reactions that...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：From Quantum Particles to Compressible Inviscid Fluid
量子粒子 可压缩 无粘性流体
2023/4/18
We derive the classical compressible Euler equation as the limit of 3D quantum N-particle dynamics as N tends to infinity and Planck's constant tends to zero. We establish strong and quantitative conv...
The international LHCb collaboration at the Large Hadron Collider (LHC) has observed three never-before-seen particles: a new kind of “pentaquark” and the first-ever pair of “tetraquarks”, which inclu...
Polaritons offer the best of two very different worlds. These hybrid particles combine light and molecules of organic material, making them ideal vessels for energy transfer in organic semiconductors....
High-energy collisions at the Large Hadron Collider (LHC) allow researchers to clearly study heavy Standard Model particles, like the Higgs boson, that decay almost immediately at the LHC collision po...
Acommon building material, asbestos is the term used to describe a range of naturally growing minerals. Serious diseases, including mesothelioma and lung cancer, can arise decades after coming into co...
Scientists make first detection of exotic “X” particles in quark-gluon plasma（图）
夸克 胶子 等离子体 “X”粒子
2023/6/9
In the first millionths of a second after the Big Bang, the universe was a roiling, trillion-degree plasma of quarks and gluons — elementary particles that briefly glommed together in countless combin...
When it comes to creating next-generation electronics, two-dimensional semiconductors have a big edge. They’re faster, more powerful and more efficient. They’re also incredibly difficult to fabricate.
The LHCb collaboration has measured a difference in mass between two particles of 0.00000000000000000000000000000000000001 grams – or, in scientific notation, 10-38 g. The result, reported in a paper ...
Scientists link star-shredding event to origins of universe's highest-energy particles（图）
Scientists star-shredding event origins universe highest-energy particles
2021/3/5
A team of scientists has detected the presence of a high-energy neutrino -- a particularly elusive particle -- in the wake of a star's destruction as it is consumed by a black hole.The discovery is a ...
Physicists count sound particles with quantum microphone（图）
Physicists count particles quantum microphone
2020/8/14
Physicists have developed a "quantum microphone" so sensitive it can measure individual particles of sound, called phonons.The device, developed through U.S. National Science Foundation-funded re...
Physicists test coronavirus particles against temperature, humidity
Physicists coronavirus particles against temperature humidity
2020/4/3
One of the biggest unknowns about the coronavirus is how changing seasons will affect its spread. Now physicists at the University of Utah have received a National Science Foundation...
Tiny magnetic particles enable new material to bend, twist and grab
Tiny magnetic particles new material bend twist grab
2019/12/20
A team of researchers from the Georgia Institute of Technology and The Ohio State University has developed a material called magnetic shape memory polymer that uses magnetic fields to transform into a...