怎麼測試塑料助劑分散性（Modifiedenzymecan）

2023-08-12 15:22:15

怎麼測試塑料助劑分散性?Scientists from the University of Portsmouth, UK, and the US Department of Energy’s National Renewable Energy Laboratory have engineered an enzyme that can digest some of the most common and polluting plastics. ，今天小編就來說說關於怎麼測試塑料助劑分散性?下面更多詳細答案一起來看看吧!

怎麼測試塑料助劑分散性

Scientists from the University of Portsmouth, UK, and the US Department of Energy’s National Renewable Energy Laboratory have engineered an enzyme that can digest some of the most common and polluting plastics.

來自英國樸茨茅斯大學和美國能源部國家可再生能源實驗室的科學家已經設計出一種酶，可以消化一些最常見和汙染的塑料。

Since its rise in popularity in the 1950s, we have produced about 8.3 billion metric tons of plastic. Polyethene terephthalate (PET) is just one of many plastics and takes hundreds of years to degrade, meaning this enzyme could be the answer to a major environmental problem. The enzyme, known as PETase, was recently discovered to naturally digest PET. While testing and 3D modelling the enzyme, the team unintentionally engineered the PETase to break down the plastic at a much faster rate than it would naturally. 「

自從20世紀50年代流行以來，我們已經生產了大約83億公噸的塑料。聚對苯二甲酸乙二醇酯（PET）是眾多塑料中的一種，需要數百年時間才能降解，這意味著這種酶可以解決一個重大的環境問題。這種被稱為PETase的酶最近被發現可以自然消化PET。在測試和3D模型化酶的過程中，研究小組無意中製造了PETase，以比自然速度快得多的速度分解塑料。「

Serendipity often plays a significant role in fundamental scientific research, and our discovery here is no exception,」 said Professor McGeehan, director of the Institute of Biological and Biomedical Sciences at Portsmouth, in a press release.

意外收穫在基礎科學研究中常常扮演著重要的角色，我們在此的發現也不例外。「樸茨茅斯生物和生物醫學科學研究所所長麥吉漢教授在一份新聞稿中說。

Having set out to determine the structure of the enzyme, the team modified the amino acids in its active site, and this change resulted in improved PET degradation.

在確定了酶的結構之後，研究小組對其活性中心的胺基酸進行了修飾，這種變化導致了對PET的降解。

「Although the improvement is modest, this unanticipated discovery suggests that there is room to further improve these enzymes, moving us closer to a recycling solution for the ever-growing mountain of discarded plastics, 「 McGeehan concludes. The team is now working to further reduce the time taken to break down plastic for use in industry.

麥吉漢總結道：「雖然進展不大，但這個意想不到的發現表明，我們還有進一步改進這些酶的空間，使我們更接近於解決堆積如山的廢棄塑料的循環利用問題。」該小組目前正在努力進一步減少工業用的塑料分解所需的時間。