Applications are invited for three 3.5 year PhD studentships with the Marine Instituteat the University of Plymouth. The studentships are due to start on 1 October 2026.
This project is one of eight topics being considered for an anticipated three studentships. Six topics are inviting candidates from open recruitment, with the remaining two following a different route to interview. The studentships will be allocated to the best combinations of candidate and project as they emerge from the interviews across all topics. Browse all available topics.
Plymouth has been at the forefront of global marine research for more than a century, and today it is home to the largest concentration of marine researchers in the UK. Come and join our vibrant community of marine PhD students.
Project description
The UK’s coastal waters are increasingly affected by invasive seaweed species such as Sargassum muticum (wireweed), which disrupts marine habitats and threatens biodiversity. Yet these fast-growing, nutrient-rich organisms represent a vast, renewable feedstock for sustainable chemical and fuel production. Converting this underused biomass into valuable products could simultaneously protect ecosystems and advance the UK’s transition to a low-carbon, circular economy. However, current methods for processing seaweed carbohydrates are inefficient, relying on separate enzymatic and chemical steps that lack integration, selectivity, and process control.
This project will pioneer a biomimetic hybrid catalytic platform that unites the precision of enzymes with the robustness of hierarchically structured heterogeneous catalysts. By mimicking natural compartmentalisation and metabolic pathways, the approach will enable efficient, selective conversion of invasive seaweed into renewable platform chemicals and low-emission marine fuels. The work directly supports UK priorities in bioscience discovery, sustainable manufacturing, and biodiversity restoration, transforming an environmental challenge into a valuable green opportunity.
The student will design and synthesise hierarchically porous nanomaterials with spatially controlled active sites, integrating them with tailored enzymes that target seaweed-derived carbohydrates (derived from Ulva Lactuca). Experimental work will involve material synthesis, enzyme immobilisation, and advanced characterisation (XRD/XPS/FT-IR/N2 porosimetry/TEM/TGA), followed by catalytic testing to evaluate product selectivity, yield, and reusability. Collaboration with the University of York’s Centre for Novel Agricultural Products (CNAP) will provide expertise in seaweed composition and enzymatic processing, while Professor Wilson at Griffith University will support enzyme-nanomaterial interaction studies.
Based within the University of Plymouth’s Sustainable Chemistry and Catalysis Group, the student will receive interdisciplinary training in catalysis, enzyme science, materials synthesis, and analytical characterisation. Research visits to York and Griffith University will enhance bioscience and biocatalysis skills. Broader training will include transferable skills, conference participation, and engagement with UKRI and industry partners developing marine biorefineries.
Eligibility
We seek a motivated candidate with at least an upper second-class degree (or equivalent) in Chemistry, Chemical Engineering, Materials Science, or Biotechnology. A strong interest in catalysis, enzyme science, or materials chemistry is desired.
If your first language is not English, you will need to meet the minimum English requirements for the programme, IELTS Academic score of 6.5 (with no less than 5.5 in each component test area) or equivalent.
Deadline: 2 February 2026
For more information and to apply visit https://www.plymouth.ac.uk/study/research-degrees/postgraduate-research-studentships/ocean-biomass-catalysis-enzyme-catalyst-hybrids-for-renewable-chemical-production-from-invasive-seaweed-species
