Department of Chemistry – University of Copenhagen

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  • Ink from ancient Egyptian papyri contains copper

    2017.11.10

    Until recently, it was assumed that the ink used for writing was primarily carbon-based at least until the fourth and fifth centuries AD. But in a new University of Copenhagen study, analyses of 2,000-year-old papyri fragments with X-ray microscopy show that black ink used by Egyptian scribes also contained copper – an element previously not identified in ancient ink.  »

  • Attacking different biomass components

    2017.10.31

    Biomass from non-edible crops could be a good source of glucose and other small sugars that can in turn be converted into bioethanol. But these sugars are hard to convert as they are embedded in difficult to digest crystalline molecules, like cellulose. Lytic polysaccharide monooxygenases (LPMOs) are copper enzymes, which oxidatively cleave polysaccharides like cellulose, thus helping other enzymes access these hard to break materials and convert them to glucose. Because of this, LPMOs have received a lot of attention, as they may be key to complex plant biomass degradation in industry and in nature. »

  • Culture (Night) is (also) art

    2017.10.17

    More than 3,500 people visited ARTiS: ART in SCIENCE exhibition on Culture Night 14 October. The event took place in the Ceremonial Hall in Frue Plads and exceeded all expectations. »

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