Ashworth, Stephen - University of East Anglia

个人简介

Dr Ashworth was awarded both his BA in Chemistry and his DPhil from Oxford University. Later postdoctoral work was with Professor D.J. Nesbitt at JILA and later with Dr K.M. Evenson at NIST, both of which are in Boulder, Colorado. He was then awarded a Royal Society European Exchange Fellowship and an Alexander von Humboldt Stiftung Fellowship to study femtosecond dynamics at the newly established Max-Born Institute in Berlin. The award of an EPSRC Advanced Fellowship in 1996 allowed him to return to England. The first part of the Fellowship was held in the School of Chemistry at Bristol University. Dr Ashworth was appointed to a post at the UEA in 1999 but chose to transfer the remainder of his Advanced Fellowship and became a Lecturer in 2001. He received the UEA Excellence in Teaching award in 2002. Although his research career has concentrated on resolution spectroscopy, and spectroscopy applied to atmospheric chemistry, using a number of laser techniques, he is now much more involved with the communication of science. Over the years has won a number of grants for his communication activities. In 2009 he was awarded a CUE East Individual Award for Engagement. He is currently on the Advisory Committee of Scifest Africa.

研究领域

Spectroscopy of gas phase metal species Although the conditions are harsh some simple molecules can exist in the atmospheres which surround stars. On earth we are able to measure the spectra of these molecules. Often the spectra are distorted by the presence of the star’s magnetic field. I am working with Dr Ross and Dr Crozet at the University of Lyon to measure these influences on the spectra of molecules such as NiH and FeH. Armed with this information astronomers will then be able to assess the strength and direction of magnetic fields in suitable stars. Photophysics of phthalocyanines Phthaolcyanines have been shown to be active against cancer cells in photodynamic therapy. Professor Mike Cook has a research group which routinely synthesises new phthalocyanine molecules. I collaborate with Prof. Cook to investigate the photophysics of his new products in order to find the best candidates for photodynamic therapy and sensor applications.

近期论文

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van Leeuwen, M., Beeby, A., Ashworth, S.(2010)The photochemistry and photophysics of a series of non-peripherally substituted zinc phthalocyaninesin Photochemical & Photobiological Sciences9.pp. 370 Full Text UEA Repository(Article)