Figure 1: ATP concentration affects signal efficacy of CFP-YFP–based FRET sensors. It is important to note further that the ratio changes (8–45% change in YFP/CFP ratio) are within the range ...

Tda1 protein kinase, activated by Snf1 and yeast GSK3-β, fine-tunes metabolism through the phosphorylation of Hxk2, which is implicated in yeast glucose repression. Tda1 is activated by both Snf1 and ...

戊型肝炎病毒（HEV）是一种单链RNA病毒，主要通过粪-口途径传播，全球每年约2 ...

Amp (AMP) is a decentralized collateral token facilitating fast and secure payment transactions on the Flexa network. The goal of Amp is to make cryptocurrencies better equipped to be used as everyday ...

戊型肝炎病毒（hev）是一种单链rna病毒，主要通过粪-口途径传播，全球每年约2 000万人感染。尽管多数感染者表现为自限性急性肝炎，但孕妇、器官 ...

At close: April 23 at 4:00:01 PM EDT ...

Stocks: Real-time U.S. stock quotes reflect trades reported through Nasdaq only; comprehensive quotes and volume reflect trading in all markets and are delayed at least 15 minutes. International ...

Holger Rune has also surged into the top 10. Tennis world rankings are calculated by the ATP, who award points based on a player's performance at particular tournaments. The further a player ...

Karen Khachanov revealed that he and Alejandro Davidovich Fokina had "a little fight" early in their Barcelona Open match and that played a part in their confrontation. In the Barcelona ...