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Vegetarians have a substantially lower risk of five types of cancer, a landmark study on the role of diet has revealed.
In 2010, ONT combined two technologies addressing each of the main outstanding problems. The first was an engineered nanopore developed in collaboration with Bayley’s lab that could discriminate between individual DNA bases, solving the resolution issue. The second was a trick to slow the DNA down to detectable speeds, using the familiar DNA polymerase enzyme. Mark Akeson’s lab at UC Santa Cruz had identified a specific polymerase from the bacterial virus ɸ29 that replicated DNA at an ideal speed for detection via nanopore. Template DNA strands were replicated just before entering the nanopore, passing through slowly enough for individual bases’ effect on the electrical current to be detectable and allowing the DNA sequence to be read one base at a time.,推荐阅读91视频获取更多信息
Из Дубая в Москву вылетел первый с начала конфликта рейс Emirates02:15
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哈梅內伊:統治伊朗37年的最高領袖是誰?,详情可参考同城约会
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