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Sheffield Hallam University is offering this challenging and exciting PhD project in radioactive waste immobilisation and monitoring. This project is fully-funded by the UK's Nuclear Decommissioning Authority (NDA) and is supported by the National Nuclear Laboratory (NNL). The project is also supported by a consortium of leading UK Universities and nuclear industry partners, through the EPSRC TRANSCEND consortium, and the successful applicant will form part of a strong cohort at Sheffield Hallam University and also as part of TRANSCEND.

The interests of the Polymers, Composites and Spectroscopy Group (PCAS) encompass polymers, minerals and composites

We can perform elemental analysis on a wide range of materials by using X-ray fluorescence spectrometry (XRF). We have a state-of-the-art X-ray Fluorescence spectrometer that can provide manufacturers with detailed information on the composition of solids, powders and liquids.

The degradation of polymers by UV, heat, moisture or γ-irradiation is of significant importance in many different spheres of life

Differential Scanning Calorimetry can be used to characterise and compare materials; identify and confirm purity, assess thermal stability and evaluate product-application conditions.

There are a large number of commercially available additives that enable polymers to perform important functions over a wide range of conditions

In collaboration with Prof Chris Breen and colleagues, we have been using molecular-resolution simulations of clay galleries to investigate detailed structural behaviours that underpin coating treatments used for food packaging applications.

By applying our experience and expertise in polymer analysis, we are able to obtain useful insights into polymer behaviour and suggest solutions to material or processing challenges

Hydrogels are crosslinked polymers that contain large amounts of water. We have developed a novel hydrogel loaded with Mesenchymal Stem Cells (MSCs) which can be maintained as a liquid ex vivo and be injected into the affected tissue site where body temperature triggers in situ gelation.

We have developed a novel pNIPAM-DMAc-Laponite® hydrogel loaded with hydroxyapatite nanoparticles (HAPna), which can be maintained as a liquid ex vivo and be injected into the affected bone tissue site where body temperature triggers in situ gelation