Success in mass production technology for ultra-high-purity 2-inch diamond wafer; expected to spur realization of quantum computing
SILVER SPRING, Md., April 14, 2022 /PRNewswire/ -- Today, the U.S. Food and Drug Administration issued an emergency use authorization (EUA) for the first COVID-19 diagnostic test that detects chemical compounds in breath samples associated with a SARS-CoV-2 infection.
TOKYO--Japanese pharmaceutical firm Shionogi & Co. is considering not recommending the use of its oral COVID-19 drug for pregnant women due to animal testing finding fetal abnormalities after it was administered, a source familiar with the matter told Kyodo News on Tuesday.
Including 5 Chinese companies，35 pharmaceutical enterprises were allowed to produce Nirmatrelvir, one of the ingredients of Pfizer COVID-19 oral medicine, for free.
Here are the most expensive drugs available in the market
The list prices of some prescription drugs seem almost unattainable, with the cost of some medications surpassing the $1 million mark. Costs of prescriptions in the U.S., including those filled at a pharmacy, as well as hospital-administered drugs, have been a political football.
We are familiar with the quantitative H-NMR in the synthesis work, and it is widely used. However, as a quantitative method, H-NMR has many disadvantages: 1) the chemical shift bandwidth of H-NMR is very narrow, most of which are concentrated in the range of 0-10 ppm or 0-12 ppm
Welcome to inquire about thousands of fluorine compounds of ChemFish!
Using GC-MS with X-ray fluorescence spectrometry, X-ray diffraction spectrometry and polarising microscopy, scientists from the School of Cultural Heritage (Northwest University, Xi'an, China) and Emperor Qin Shihuang’s Mausoleum Site Museum (Xi’an, China) determined the composition of a multifunctional material used as a kind of glue and filler in the construction of the Terracotta Army.
CHEMFISH has many kinds of this kind of organic binders.such as CAS:119313-12-1 CAS:474510-57-1 CAS:947-19-3 CAS:474510-57-1 CAS:82799-44-8 ect.
In the Yangtze River Delta, natural lacquer has been used as coating and adhesive since the Neolithic. At Jingtoushan Neolithic site, the earliest, deepest-buried prehistoric shell mound site discovered in China’s coastal areas.
CHEMFISH has many coatings and paint materials.Used for industrial and ancient building protection and so on.
Under the new development stage and the goal of "Carbon Peaking and Carbon Neutrality", As a traditional industry, how should the chemical industry proceed in the future. At the seminar on "Coordinated Development of the Yangtze River Economic Belt and Transformation and Upgrading of Jiangsu Chemical Industry" held in Nanjing on the 8th this month, the experts attending the seminar believed that during “the 14th Five-Year Plan” period