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Tuesday, April 13, 2010

Scotland: PhD Studentship In Multifunctional Metallosupramolecular Assemblies, University of Edinburgh - Chemistry Department

Overview

Supervisor: Dr. Paul J. Lusby

A three year postgraduate PhD studentship is available from September 2010.

Amount Awarded

This is a tax-free stipend covering tuition fees and living expenses at the standard EPSRC rate (commencing at ca. £13,000 per year).

The advances in supramolecular chemistry in the last 20 years have seen an explosion in self-assembled cages and capsules. Nonetheless, many of these artificial systems lack the function which often defines their naturally occurring biological counterparts. One such function that many biological assemblies possess is the ability to spontaneously assemble, or disassemble, in response to a specific stimulus or a subtle change in the local environment.

We have recently discovered a reversible, acid-base switchable platinum cyclometallation reaction, which reveals / masks cis exchangeable coordination sites as a function of pH. This has been exploited to create stimuli responsive metallosupramolecular architectures that disassemble upon reaction with base and re-assemble through a proton-activated process (JACS 2009, 131, 16398). We now wish to build on these initial finding and demonstrate that we can:


a) Enantioselectively induce the formation of chiral assemblies from achiral building;

(b) Link dynamic and catalytic functions to create stimuli-responsive catalytic systems;

(c) Develop a modular approach to enantioselective catalyst design which relies on the metallosupramolecular directed assembly of multiple functional catalytic synthons, which ultimately may lead to better catalysts for known transformations and/or aid in the discovery of new catalysts for as yet unknown chemical transformations.

The project itself will involve a mixture of synthetic research, both organic and inorganic, coupled with complex structure determination, principally using NMR techniques. Applicants must have, or expect to obtain, an upper second or first class undergraduate degree in a relevant subject such as chemistry. Although no specialist training is required, experience of standard synthetic chemistry techniques and/or the manipulation of transition metal complexes would be beneficial.

How to apply

Applicants are invited to e-mail their CV and the names of two referees to Paul.Lusby@ed.ac.uk


Please kindly mention Scholarization.blogspot.com when applying for this scholarship


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Scholarship Team: Ph.D Scholar Krisstofferson Joniel Scholarship Adviser, PhD Scholar Vitom Chea Scholarship Adviser, PhD Scholar Rebecca T. Dalisay Scholarship Adviser, Ph.D Student Jiao Wang Scholarship Coordinator, MSc Student Dennise Maricel Scholarship Coordinator
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Scholarship Team: Ph.D Scholar Krisstofferson Joniel Scholarship Adviser, PhD Scholar Chea Vitom Scholarship Adviser and Senior Lecturer, PhD Scholar Rebecca T. Dalisay Scholarship Adviser, Ph.D Student Jiao Wang Scholarship Coordinator, MSc Student Dennise Maricel Scholarship Coordinator