【博士奖学金】最新PhD招生和奖学金信息（207）
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Highly Electrophilic Nitrenium Radicals: Synthesis, Characterization and Catalytic Applications
The University of Manchester：Chemistry
Supervisor：Dr M Mehta, Dr Alice Bowen
Application Deadline ：Friday, March 04, 2022
Funded PhD Project (Students Worldwide)
About the Project
A fully funded EPSRC studentship is available for a highly motivated outstanding chemist to undertake in the field of main group synthesis, frustrated Lewis pair catalysis, and EPR spectroscopy. Our research team is interested in developing catalysts based on environment-friendly sustainable elements, such as boron, aluminium, phosphorus and nitrogen; designed to replace catalysis based on heavy metals that can be polluting and are a finite resource.
Molecular compounds featuring nitrogen atoms are typically regarded as Lewis bases and have been extensively studied as donor ligands in coordination chemistry or as nucleophiles in organic chemistry. Nitrenium cations turn this reactivity on their head and are nitrogen‐based Lewis acids. Previously, our group has found that nitrenium cations can be applied as Lewis acid catalysts to affect a number of key industrially relevant transformations. More efficient nitrenium catalysts can be built by increasing the Lewis acidity at the reactive nitrogen centre. During this project, the student will synthesize and fully characterize highly electrophilic nitrenium cations. We aim to understand the structure and reactivity of these molecules using a range of analytical techniques. Next the nitrenium compounds will be investigated as components in radical frustrated Lewis pair catalysis, and the knowledge gained used to optimise the catalytic properties.
The student will receive training in: Schlenk line chemistry, catalysis chemistry, analytical techniques including multi-nuclear NMR and EPR spectroscopy, cyclic voltammetry, XRD diffraction, and computational chemistry.
The University of Manchester also provides training opportunities for PhD students in scientific writing, business engagement and other scientific skills.
Applicants are expected to hold, or about to obtain, a minimum upper second class undergraduate degree (or overseas equivalent) in Chemistry. A Masters degree in a relevant subject and/or experience in Schlenk handling of air sensitive materials, inorganic chemistry, organic chemistry, or EPR spectroscopy is desirable, although training will also be provided.
Dr Meera Mehta:
Meera.mehta@manchester.ac.uk
Dr Alice Bowen:
Alice.bowen@manchester.ac.uk
Equality, diversity and inclusion is fundamental to the success of The University of Manchester, and is at the heart of all of our activities. We know that diversity strengthens our research community, leading to enhanced research creativity, productivity and quality, and societal and economic impact. We actively encourage applicants from diverse career paths and backgrounds and from all sections of the community, regardless of age, disability, ethnicity, gender, gender expression, sexual orientation and transgender status.
We also support applications from those returning from a career break or other roles. We consider offering flexible study arrangements (including part-time: 50%, 60% or 80%, depending on the project/funder).
All appointments are made on merit.
Funding Notes
This is a 3.5 year EPSRC DTG studentship. Funding will cover UK tuition fee and stipend only. The University of Manchester aims to support the most outstanding applicants from outside the UK. We are able to offer a limited number of scholarships that will enable full studentships to be awarded to international applicants. These full studentships will only be awarded to exceptional quality candidates, due to the competitive nature of this scheme.
Deciphering translation of the ‘untranslated’ regions of messenger RNAs
University of Otago：Biochemistry
Supervisor：Dr Chris Brown, Dr Chun Shen Lim
Application Deadline：Applications accepted all year round
Competition Funded PhD Project (Students Worldwide)
About the Project
We are seeking a highly motivated PhD candidate to join an interdisciplinary research team at the University of Otago, investigating a new mechanism in regulating gene expression. Scholarships are available through the University of Otago.
The regulation of gene expression is critical for the normal cellular function and the development of multicellular eukaryotes. We have recently found an undescribed mechanism that regulates gene expression, through splicing and translation that occur at the 5′ untranslated regions of messenger RNAs. This links splicing and translation, key sequential cellular processes that occur in two separate cellular compartments. We estimate that about 30 per cent of messenger RNAs are regulated by this new mechanism. We propose that such messenger RNAs can be translated to build two or more different peptides or proteins, due to an alternative type of translation on the 5′ ‘untranslated’ regions.
This research will use a combination of new computational and laboratory techniques to understand how this new regulatory mechanism works using human and plant systems. The expenses for this project are supported by a Marsden Fast-Start grant (2022-2024) and a University of Otago Research Grant (2022) with Dr Chun Shen Lim as Principal Investigator.
The successful applicant will have a BSc(Hons) degree or an MSc degree in fields including, but not limited to, Biochemistry, Biotechnology, Genetics or Bioinformatics. The applicants must meet the criteria for enrolment in the PhD programme at the University of Otago.
It is expected the project will start in 2022, the date depending on when NZ borders open. NZ applicants could start as soon as possible.
Include in your application:
(i) a copy of your CV,
(ii) a copy of your academic transcript,
(iii) a short motivation statement (~500 words), and
(iv) a pdf copy of your research thesis.
The ability to communicate proficiently in English is essential.
Funding Notes
Scholarship details
The successful applicant will apply for and if successful receive a stipend of NZ$28,600 per annum, in addition to tuition fees. The tenure of the PhD scholarship is 3 years.
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