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學(xué)術(shù)動(dòng)態(tài)

第24期糧院講堂預(yù)告:<新自然>化學(xué),當(dāng)化學(xué)與金屬酶結(jié)合

來(lái)源:糧油食品學(xué)院 2018-07-13 11:30 瀏覽:次

報(bào)告題目:<新自然>化學(xué),當(dāng)化學(xué)與金屬酶結(jié)合

New-to-Nature Chemistry: When Chemistry marries Metalloenzyme

時(shí)間:2018年7月16日(周一)上午9:00

點(diǎn):糧油食品學(xué)院8527會(huì)議室

人:郭諍博士

簡(jiǎn)介:郭諍博士,曾任丹麥工業(yè)大學(xué)助理教授,現(xiàn)任丹麥奧胡斯大學(xué)副教授(終身職位),美國(guó)加州理工大學(xué)訪(fǎng)問(wèn)教授,脂質(zhì)材料與生物催化領(lǐng)域?qū)<?,他領(lǐng)導(dǎo)的農(nóng)業(yè)生物技術(shù)科學(xué)團(tuán)隊(duì)(Agro-Biotechnology ScienceGroup)參與和領(lǐng)導(dǎo)丹麥獨(dú)立研究基金,高科技基金多項(xiàng)(過(guò)去5年項(xiàng)目共享總額達(dá)一千一百萬(wàn)歐元),并與諾維信,葛蘭素史克,杜邦等國(guó)際大公司合作承擔(dān)多個(gè)大型研究項(xiàng)目,在國(guó)際化工和生物催化領(lǐng)域權(quán)威期刊上發(fā)表研究論文逾100篇,現(xiàn)為2個(gè)國(guó)際期刊編委,Elsevier出版專(zhuān)著一部,獲美國(guó)和世界專(zhuān)利授權(quán)4項(xiàng)。

Professor of Agro-Biotechnology Science, Aarhus University, Denmark

Visiting Professor at California Institute Of Technology, California the USA

要:以鐵基催化劑為基礎(chǔ)的哈伯-博世工藝(Haber-Bosch process)固定無(wú)機(jī)氮成氨,進(jìn)而轉(zhuǎn)化成化學(xué)肥料。這項(xiàng)技術(shù)已經(jīng)毫無(wú)爭(zhēng)議地改變了世界,它實(shí)際支撐了人類(lèi)人口的持續(xù)增長(zhǎng)。再一次,鐵(與銣,銠等),與蛋白框架結(jié)合,震驚了化學(xué)界,令人吃驚地促成了“新自然”化學(xué)的誕生。在這當(dāng)中,由金屬酶碳烯為主要推動(dòng)力的插入反應(yīng)向人們展示了酶作為一種生物催化劑如何驅(qū)動(dòng)令人癡迷的有機(jī)合成化學(xué)(催化形成C-C, C-S, C-Si, C-N和C-B鍵)。

Iron-catalyst based Haber?Bosch process to convert molecular nitrogen into ammonia for fertilizer, has arguably changed the world, which actually supports the Earth′s ever-growing population (least extra 3 billion people benefit for survival from this N-fixing technique). Once again Fe (Ru, Rh etc), by teaming up with protein scaffold, is shaking chemistry community, surprisingly bringing new-to-nature chemistry to life; where metalloenzyme carbenoids driven insertion reactions demonstrated how can enzymes do an amazing chemistry (forge C-C, C-S, C-Si, C-N and C-B etc bonds).

在過(guò)去的幾十年,應(yīng)用于合成轉(zhuǎn)化的酶技術(shù)進(jìn)展相對(duì)緩慢(主要集中在水解酶系列),特別在有機(jī)合成領(lǐng)域酶技術(shù)的應(yīng)用十分有限。直到2013年弗朗西斯.阿諾德(“定向進(jìn)化”之母)的實(shí)驗(yàn)室,首次證明通過(guò)工程進(jìn)化的P450細(xì)胞色素氧化酶能夠催化完成全新的非自然化學(xué)反應(yīng)(New-to-Nature chemistry),即雙鍵的還烷基化。正是由于阿諾德的實(shí)驗(yàn)室的劃時(shí)代貢獻(xiàn),引起了學(xué)術(shù)界廣泛關(guān)注。

For decades the enzyme technology for synthetic biotransformation does not really progress (swimming around hydrolases), particularly in underpinning organic synthesis that chemical catalysts created, until recently FH Arnold′s lab demonstrated engineered P450 is able to perform New-to-Nature chemistry; which initiate a flourishing interest after their seminal contribution.

郭諍博士將介紹在世界酶學(xué)最新最令人振奮的研究進(jìn)展,重點(diǎn)介紹阿諾德教授的研究理念和研究思路。特別是在“師法自然”到“教自然非自然”,以及“新自然”化學(xué)是如何在酶學(xué)和有機(jī)化學(xué)的界面上誕生的。

In this talk,Dr. Guowill introduce latest and most exciting progress in enzyme technology area in the world leading lab in Caltech, Prof. Frances H Arnold’s research philosophy and ideas, Particularly in ”Learning from Nature” to “Teaching nature unnatural”;and how New-to-Nature Chemistry is created at the interface of enzyme technology andand organic chemistry.

歡迎廣大師生參加!

糧油食品學(xué)院
2018年7月13日

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