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UID:0-911@lptms.universite-paris-saclay.fr
DTSTART;TZID=Europe/Paris:20231124T110000
DTEND;TZID=Europe/Paris:20231124T120000
DTSTAMP:20231115T162124Z
URL:http://www.lptms.universite-paris-saclay.fr/seminars/physics-biology-i
 nterface-seminar-alexandre-ciaccafava/
SUMMARY:Physics-biology interface seminar: Alexandre Ciaccafava - Moyen Amp
 hi\, Building 510\, Université Paris-Saclay Orsay - 24 Nov 23 11:00
DESCRIPTION:Taming gas-converting metalloenzymes: (spectro)electrochemical 
 insights\nJoint seminar with the Soft Matter group at LPS\nAlexandre Ciacc
 afava (Marseille Molecular Science Institute\, France)\nMetalloenzymes are
  at the heart of a wide range of bioenergetic processes essential to all l
 iving organisms. They are responsible for the exchange and conversion of e
 nergy by making or breaking chemical bonds with the concomitant exchange o
 f electrons (e–) and protons (H+). They are extremely efficient biocatal
 ysts that convert with high efficiency and affinity a multitude of substra
 tes\, from the simplest molecule such as hydrogen (H2) to much larger poly
 meric entities (cellulose)\, opening the way to high-impact biotechnologic
 al applications. Because of the biodiversity of the microorganisms from wh
 ich they are derived (notably extremophiles adapted to various unusual bio
 topes)\, redox metalloenzymes can operate under a wide range of experiment
 al conditions. Most redox enzymes contain non-noble metals (Ni\, Fe\, Cu\,
  Mo\,… )\, assembled in a more or less complex way in the active center 
 where their catalytic activity is located or in electronic relays that tra
 nsfer electrons to other physiological partners\, constituting a larger se
 t of multi-partner electron transfer chains. As a result\, redox metalloen
 zymes can advantageously replace chemical catalysts based on noble metals\
 , whose scarcity generates a consequent cost\, limiting their large-scale 
 development. This set of remarkable properties shared by redox metalloenzy
 mes has fuelled both the desire to control their reactivity and the attent
 ion of chemists to create bio-inspired catalysts. However\, a thorough und
 erstanding of the functioning of redox metalloenzymes is a prerequisite fo
 r taming their exceptional properties and ultimately for their integration
  into biotechnological processes.
CATEGORIES:physbio,seminars
LOCATION:Moyen Amphi\, Building 510\, Université Paris-Saclay Orsay\, 15 R
 ue Georges Clemenceau\, orsay\, France
GEO:48.698187;2.181768
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=15 Rue Georges Clemenceau\,
  orsay\, France;X-APPLE-RADIUS=100;X-TITLE=Moyen Amphi\, Building 510\, Un
 iversité Paris-Saclay Orsay:geo:48.698187,2.181768
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