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<p class="MsoNormal"><span lang="EN-GB">Dear all,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">We have a PhD position open for applications (deadline
<span style="color:black">30<sup>th</sup> of June).</span><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><a href="https://tinyurl.com/UGOT-PhD3">https://tinyurl.com/UGOT-PhD3</a><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">Topic: <span style="color:#484848;background:white">
Atmospheric Chemistry (more info below and in the website: </span><a href="https://tinyurl.com/UGOT-PhD3">https://tinyurl.com/UGOT-PhD3</a> )<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">Please forward to any potential applicants!<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">Best regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">Cheng Wu (main supervisor) and Mattias Hallquist (co-supervisor)<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span lang="EN-GB" style="color:black;mso-fareast-language:SV">----------------------------------------------------------------<br>
Dr Cheng Wu and Professor Mattias Hallquist<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span lang="EN-GB" style="color:black;mso-fareast-language:SV">Atmospheric Science, Department of Chemistry and Molecular Biology<br>
University of Gothenburg<br>
412 96 Gothenburg<br>
Sweden</span><span lang="EN-GB" style="color:#212121;mso-fareast-language:SV"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="DE" style="color:#1F497D;mso-fareast-language:EN-GB"> </span><span style="mso-fareast-language:SV"><o:p></o:p></span></p>
<p style="margin:0in;text-align:justify;text-justify:inter-ideograph;background:white">
<b><span lang="EN-GB" style="color:black">Description:</span></b><span lang="EN-GB" style="color:black"> The PhD position will have a research focus on developing a molecular-level understanding of key processes that are of importance for the occurrence and
properties of secondary organic aerosol and organic nitrates (ON). This project includes both fieldwork and laboratory experiments using high-resolution mass spectrometry, and to some extent chemical modelling. Specifically, the candidate will<o:p></o:p></span></p>
<p style="margin:0in;text-align:justify;text-justify:inter-ideograph;background:white">
<span lang="EN-GB" style="color:black"><o:p> </o:p></span></p>
<ul style="margin-top:0in" type="disc">
<li class="MsoNormal" style="color:black;text-align:justify;text-justify:inter-ideograph;mso-list:l0 level1 lfo1;background:white">
<span lang="EN-GB" style="mso-fareast-language:EN-GB">perform both ground-based and airborne observation with an unmanned aerial vehicle (UAV)-based sampling platform to detect chemicals for both urban and rural environments.<o:p></o:p></span></li><li class="MsoNormal" style="color:black;text-align:justify;text-justify:inter-ideograph;mso-list:l0 level1 lfo1;background:white">
<span lang="EN-GB" style="mso-fareast-language:EN-GB">perform laboratory experiments to constrain physiochemical processes responsible for the SOA and ONs’ formation and evolution<o:p></o:p></span></li></ul>
<p class="MsoNormal" style="margin-left:35.7pt;text-align:justify;text-justify:inter-ideograph;text-indent:-17.85pt;mso-list:l0 level1 lfo1;background:white">
<![if !supportLists]><span lang="EN-GB" style="font-size:10.0pt;font-family:Symbol;color:black;mso-fareast-language:EN-GB"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-GB" style="color:black;mso-fareast-language:EN-GB">use the obtained knowledge from field observation and lab experiments in models to better assess how ONs influence regional air quality.<o:p></o:p></span></p>
<p class="MsoNormal" style="text-align:justify;text-justify:inter-ideograph;background:white">
<span lang="EN-GB" style="color:black;mso-fareast-language:EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-align:justify;text-justify:inter-ideograph;background:white">
<span lang="EN-GB" style="color:black;mso-fareast-language:EN-GB">The PhD education includes the development of skills and knowledge in general tools applicable to the research. E.g. one will achieve detailed knowledge within advanced mass spectrometry and
data analysis using programming software such as of Python, MatLab, or similar. For mechanistic evaluation the candidate will use kinetic modelling for use in chemical transport models. Any pre-knowledge using these tools are beneficial but not a requirement.
The research topic is within atmospheric chemistry implying applicants would benefit from having a background in chemistry or alternatively within physics, geosciences, or environmental science.<o:p></o:p></span></p>
<p class="MsoNormal" style="text-align:justify;text-justify:inter-ideograph;background:white">
<span lang="EN-GB" style="color:black;mso-fareast-language:EN-GB"><o:p> </o:p></span></p>
<p style="margin:0in;background:white"><span lang="EN-GB" style="color:#484848">We think the right candidate will fit in to our dynamic group and the Scandinavian way of doing excellent research!<o:p></o:p></span></p>
<p style="margin:0in;background:white"><b><i><span lang="EN-GB" style="color:#484848"><o:p> </o:p></span></i></b></p>
<p style="margin:0in;background:white"><b><i><span lang="EN-GB" style="color:#484848">Selected publications from our group:<o:p></o:p></span></i></b></p>
<p class="EndNoteBibliography" style="margin-bottom:0in;text-align:justify;text-justify:inter-ideograph">
<b><span lang="EN-GB">Analysis of atmospheric particle growth based on vapor concentrations measured at the high-altitude GAW station Chacaltaya in the Bolivian Andes.</span></b><span lang="EN-GB"> Heitto, A.,
<b>Wu, C.</b>*, Aliaga, D., Blacutt, L., Chen, X., Gramlich, Y., Heikkinen, L., Huang, W., Krejci, R., Laj, P., Moreno, I., Sellegri, K., Velarde, F., Weinhold, K., Wiedensohler, A., Zha, Q., Bianchi, F., Andrade, M., Lehtinen, K. E. J., Mohr, C., and Yli-Juuti,
T.: <a href="https://doi.org/10.5194/egusphere-2023-526">https://doi.org/10.5194/egusphere-2023-526</a>, 2023.<o:p></o:p></span></p>
<p class="EndNoteBibliography" style="margin-bottom:0in;text-align:justify;text-justify:inter-ideograph">
<b><span lang="EN-GB"><o:p> </o:p></span></b></p>
<p class="EndNoteBibliography" style="margin-bottom:0in;text-align:justify;text-justify:inter-ideograph">
<b><span lang="EN-GB">A Four Carbon Organonitrate as a Significant Product of Secondary Isoprene Chemistry</span></b><span lang="EN-GB">, Tsiligiannis E., Wu R. R., Lee B., Salvador C. M., Priestley M., Carlsson P. T. M., Kang S., Novelli A., Vereecken L.,
Fuchs H., Mayhew A. W., Hamilton J. F., Edwards P. M., Fry J. L., Brownwood B., Brown S. S., Wild R. J., Bannan T. J., Coe H., Allan J., Surratt J. D., Bacak A., Artaxo P., Percival C., Guo S., Hu M., Wang T., Mentel T. F., Thornton J. A. and
<b><i>Hallquist M</i></b>., <i>Geophys. Res. Lett., </i>49 (11), 2022<o:p></o:p></span></p>
<p class="EndNoteBibliography" style="margin-bottom:0in;text-align:justify;text-justify:inter-ideograph">
<b><span lang="EN-GB"><o:p> </o:p></span></b></p>
<p class="EndNoteBibliography" style="margin-bottom:0in;text-align:justify;text-justify:inter-ideograph">
<b><span lang="EN-GB">Photolytically Induced Changes in Composition and Volatility of Biogenic Secondary Organic Aerosol from Nitrate Radical Oxidation during Night-to-day Transition.
</span></b><span lang="EN-GB">Wu, C., Bell, D., Graham, E. L., Haslett, S., Riipinen, I., Baltensperger, U., Bertrand, A., Giannoukos, S., Schoonbaert, J., El Haddad, I., Prevot, A. S. H., Huang, W., and Mohr, C., Atmos. Chem. Phys., 21, 14907–14925,
<a href="https://doi.org/10.5194/acp-21-14907-2021">https://doi.org/10.5194/acp-21-14907-2021</a>, 2021.<o:p></o:p></span></p>
<p class="EndNoteBibliography" style="margin-bottom:0in;text-align:justify;text-justify:inter-ideograph">
<b><span lang="EN-GB"><o:p> </o:p></span></b></p>
<p class="EndNoteBibliography" style="margin-bottom:0in;text-align:justify;text-justify:inter-ideograph">
<b><span lang="EN-GB">Secondary organic aerosol reduced by mixture of atmospheric vapours,
</span></b><span lang="EN-GB">McFiggans G., Mentel T. F., Wildt J., Pullinen I., Kang S., Kleist E., Schmitt S., Springer M., Tillmann R., Wu C., Zhao D., Hallquist M., Faxon C., Le Breton M., Hallquist Å. M., Simpson D., Bergström R., Jenkin M. E., Ehn M.,
Thornton J. A., Alfarra M. R., Bannan T. J., Percival C. J., Priestley M., Topping D. and Kiendler-Scharr A.,
<i>Nature, </i>565 (7741), 587-593, 2019<b> <o:p></o:p></b></span></p>
<p class="EndNoteBibliography" style="margin-bottom:0in;text-align:justify;text-justify:inter-ideograph">
<b><span lang="EN-GB"><o:p> </o:p></span></b></p>
<p class="EndNoteBibliography" style="margin-bottom:0in;text-align:justify;text-justify:inter-ideograph">
<b><span lang="EN-GB">Gas to Particle Partitioning of Organic Acids in the Boreal Atmosphere,
</span></b><span lang="EN-GB">Lutz A., Mohr C., Le Breton M., Lopez-Hilfiker F. D., Priestley M., Thornton J. A. and Hallquist M.,
<i>ACS Earth and Space Chemistry</i>, 3 (7), 1279-1287, 2019<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">-----<o:p></o:p></p>
<p class="MsoNormal">Cheng Wu<o:p></o:p></p>
<p class="MsoNormal">Researcher<o:p></o:p></p>
<p class="MsoNormal">Atmospheric Science <o:p></o:p></p>
<p class="MsoNormal">Department of Chemistry & Molecular Biology<o:p></o:p></p>
<p class="MsoNormal">University of Gothenburg<o:p></o:p></p>
<p class="MsoNormal">Sweden<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">+46 (0)730806792<o:p></o:p></p>
<p class="MsoNormal"><a href="mailto:cheng.wu@gu.se">cheng.wu@gu.se</a><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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