Forthcoming Events

20.07.2017 - 04.08.2017, Erice, Italy
30.07.2017 - 04.08.2017, Salve Regina University Newport, RI, USA
13.08.2017 - 17.08.2017, Marriott Resort Casamagna, Cancun, Mexico

News

STC2017 - Big data in chemistry - Basel- Deadline for registration August 1
Gender and Science Meeting 2017- organised by the NCCR MUST and RESOLV
Führen in Hochschulen- new book by Springer, including an interview with Ursula Keller by Andrea Eichholzer
Special issue of Chimia - on The Lausanne Centre for Ultrafast Science (LACUS)
Weizmann Women and Science Awardto Prof. Ursula Keller
An ultrafast X-ray source in a laboratory format- New Science paper by Hans Jakob Wörner, Jean-Pierre Wolf and co-workers
A Journey into Time in Powers of Ten- exhibition in Campus Info, ETH Hönggerberg, Sept. - Dec. 2016
La lumière en lumière- received the PRIX ROBERVAL 2016
The making of a bacteriorhodopsin movie- using time-resolved serial femtosecond crystallography
Retaining Postdoc Mothers in an Academic Career- OPN column by Ursula Keller and Anna Garry
Ambizione grant awarded to Rajeswari Jayaraman- postdoc in Fabrizio Carbone’s group

ERC Starting Grant for Natalie Banerji

erc-banerji
Transducing information to and from biological environments is essential for bioresearch, neuroscience and healthcare. There has been recent focus on using organic semiconductors to interface the living world, since their structural similarity to bio-macromolecules strongly favours their biological integration. Either water-soluble conjugated polyelectrolytes are dissolved in the biological medium, or solid-state organic thin films are incorporated into bioelectronic devices. Proof-of-concept of versatile applications has been demonstrated – sensing, neural stimulation, transduction of brain activity, and photo-stimulation of cells.

However, progress in the organic biosensing and bioelectronics field is limited by poor understanding of the underlying fundamental working principles. Given the complexity of the disordered, hybrid solid-liquid systems of interest, gaining mechanistic knowledge presents a considerable scientific challenge. The objective of OSIRIS is to overcome this challenge with a high-end spectroscopic approach, at present essentially missing from the field. We will address:

1) The nature of the interface at molecular and macroscopic level (assembly of polyelectrolytes with bio-molecules, interfacial properties of immersed organic thin films).

2) How the optoelectronics of organic semiconductors are affected upon exposure to aqueous environments containing electrolytes, biomolecules and cells.

3) How information is transduced across the interface (optical signals, thermal effects, charge transfer, electric fields, interplay of electronic/ionic transport).

Via spectroscopy, we will target relevant optoelectronic processes with ultrafast time-resolution, structurally characterize the solid-liquid interface using non-linear sum-frequency generation, exploit Stark shifts related to interfacial fields, determine nanoscale charge mobility using terahertz spectroscopy in attenuated total reflection geometry, and simultaneously measure ionic transport.


Download erc 2016 stg results pe (421 KB)
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