Chemistry
Yeast and human beings
The Nobel Prize in Chemistry 2006 10.000 litres of yeast culture – which corresponds to 150 kg of yeast – was used to finally produce 2 g of pure RNA-polymerase. Eukaryotes are organisms whose cells have well-defined nuclei. All green plants, fungi and mammals belong to this group. Roger Kornberg has developed a system of…
moreDoping raises molecule performance
By analogy with semiconductor technology one speaks of doping the polymer when it is subjected to oxidation with iodine vapour. The more electrons are removed, the higher the degree of doping and the greater the conductivity. While polyacetylene can be persuaded to conduct current as well as many metals do, this material is unfortunately…
moreThe Nobel Prize in Chemistry 2001
The Nobel Prize in Chemistry 2001 The prize is being awarded to William S. Knowles Ryoji Noyori K. Barry Sharpless Photos: PRB This year’s Nobel Prize in Chemistry is about molecules that exist in two forms that are mirror images of each other. Often it is important to…
moreLars Onsager – Biographical
Biographical
Lars Onsager was born in Oslo, Norway, November 27, 1903 to parents Erling Onsager, Barrister of the Supreme Court of Norway, and Ingrid, née Kirkeby. In 1933 he married Margarethe Arledter, daughter of a well-known pioneer in the art of paper making, in Cologne, Germany. They have sons Erling Frederick, Hans Tanberg, and Christian Carl,…
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Ada E. Yonath – Biographical
Biographical
I was born in Jerusalem in 1939 to a poor family that shared a rented fourroom apartment with two additional families and their children. My memories from my childhood are centered on my father’s medical conditions alongside my constant desire to understand the principles of the nature around me. The hard conditions didn’t dampen my…
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