通过NMR光谱技术(包括HMBC和DIS方法)重新解析了从金银花(Lonicera japonica)叶中分离的双黄酮化合物,发现此前报道的loniflavone和methylloniflavone实为ochnaflavone和methylochnaflavone的异构体,纠正了文献中的结构错误。
Kepler-452b, a super-Earth orbiting a sun-like star just 1,400 light-years away, has emerged as a prime candidate for ...
Lyme disease is primarily transmitted through tick bites and can lead to severe complications affecting various systems in the body, including the immune, circulatory, and central nervous systems.
Lunar rocks brought back by China’s Chang’e-6 mission contain the first clear physical evidence of hematite and maghemite ...
When deprived of manganese, B. burgdorferi becomes susceptible to the immune response, making it easier for the body to eliminate the infection. Overload of Manganese: Conversely, an excess of ...
Archaeology often speaks to us through stones, bones, and ceramics. Rarely does it return the intimate voice of everyday acts, such as the stroke of writing. An exceptional discovery in the Roman city ...
Avi Loeb says 3I/Atlas is gaining speed as new images show unusual tail changes. We unpack the data, comet physics, and whether it poses any risk.
The Webb Telescope has issued a weather for a rogue planet named SIMP 0136. The forecast is auroras, sand clouds, and ...