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A different sequencing method that chemically cleaved DNA at specific bases, developed by Allan Maxam and Walter Gilbert, was the dominant technology into the 1980s. Radiolabeled DNA samples were incubated in four separate reactions, each of which contained a chemical that cleaved after a different nucleotide — either A/G, G, C, or C/T. By adding the right amount of each chemical, it was possible to produce different fragments chopped off at each individual base. The sequence could then be read using gel electrophoresis and autoradiography. Maxam–Gilbert sequencing was easier than the plus and minus method to run and interpret, but was eventually surpassed by Sanger’s chain termination method, which molecular biologists found both technically preferable and more “elegant” since it mirrored the natural copying of DNA.
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Back home, following the game on TV and broadcasting to the world, so did his dad. Lamine Yamal slapped hands with Roony Bardghji, delegate Carlos Naval and Flick, but his eyes were turned towards the stands, looking for his mum. He settled into the bench for a while, saw Robert Lewandowski add another to complete a 4-1 victory and then, when the final whistle sounded, headed back out, collected the match ball from Naval and went to find her. “This is yours,” he said, cameras catching another conversation. “I’m going to take it inside and get everyone to sign it, then bring it to you.” Sheila hugged him hard, kissed her “handsome boy”, and waited for him to return so they could go for dinner.
·研究团队邀请了99位PTSD不同程度患者分为三组，包括多种职业和经历，其中一组游玩《俄罗斯方块》，其他组采取传统音乐等疗法，进行对比试验。