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Details of Grant 

EPSRC Reference: EP/V008498/1
Title: Manufacturing the future: Manufacture of Shaped MOF-Polymer Products for Healthcare Applications
Principal Investigator: Morris, Professor RE
Other Investigators:
Menary, Professor G Buchanan, Professor FJ Megson, Professor I
Researcher Co-Investigators:
Project Partners:
Lubrizol LifeSciences
Department: Chemistry
Organisation: University of St Andrews
Scheme: Standard Research
Starts: 15 March 2021 Ends: 14 March 2023 Value (£): 967,008
EPSRC Research Topic Classifications:
Design of Process systems Manufacturing Machine & Plant
Materials Characterisation Materials Processing
Med.Instrument.Device& Equip.
EPSRC Industrial Sector Classifications:
Manufacturing
Related Grants:
Panel History:
Panel DatePanel NameOutcome
06 Oct 2020 Engineering Prioritisation Panel Meeting 6 and 7 October 2020 Announced
Summary on Grant Application Form
This project will investigate and develop routes to the manufacture and post-processing of extruded polymer-based articles containing porous materials called metal organic frameworks (MOFs). The project will have widespread applicability to the development of many high value and transformative products. Focus will be placed on the manufacture of components for multifunctional medical devices (particularly catheters) that will enable enhanced well-being. The project seeks to establish the pertinent fundamental contributing factors and how these can be controlled, arriving at a set of guidelines for effective manufacture. It will also develop, design and build a prototype process that achieves, for the first time, necessary post-manufacture processing at scale. These dual components will permit the remarkable properties of MOFs to be harnessed to alleviate some of the most pressing challenges of modern society - healthcare associated infections, antimicrobial resistance and heart disease. As such, this project fits within the 21st Century Products Research Vision category.

MOFs are one of the most significant classes of materials to be developed in recent times. They are nanoporous solids formed by connecting metal ions or clusters with organic linking molecules to form extended networks. Their huge porosity and accessible surface area (up to 5-6,000m2g-1) makes them absolutely ideal for storage and delivery uses. As a result, there is significant academic activity developing and studying these materials for a diverse range of applications such as gas handling (including carbon capture, hydrogen and methane storage, gas separation, toxic gas capture), environmental remediation and pollution prevention, catalysis, energy applications and drug delivery.

To realise the full innovative potential of applying MOFs to polymer-based products, suitable methods for their incorporation and processing must be developed. Many polymer-based articles, including catheter tubing, are manufactured by extrusion. To date, however, there is a lack of studies reported in the literature regarding MOF processing into shaped polymer-based product components using this technique. In addition, there are no studies into the large scale post-processing of such extruded articles to enable MOF activation and subsequent gas loading, which are essential steps for any application requiring gas adsorption/release. This project will address this lack of information on the manufacturing of MOF-based polymer articles and will develop the utilisation of MOFs as delivery agents for the medically useful gas nitric oxide (NO) as a model application.

NO is a biological signalling molecule that has antimicrobial, vasodilatory, antithrombotic and wound healing properties. Exogenous delivery of NO has the potential to offer advanced therapies that mimic natural processes and address pressing societal challenges. Currently, only systemic NO delivery is possible using pro-drugs (e.g. glyceryl trinitrate) or, direct inhalation of the gas. However, these approaches can lead to unwanted side-effects. Localised and controlled delivery of NO (e.g. from implantable devices) has long been sought by clinicians but is yet to be realised. NO-releasing MOFs (developed by the applicants) have the potential to achieve this goal if they can be processed successfully into the appropriate devices. Successful incorporation into, for example, urinary, cardiovascular and haemodialysis catheters will reduce healthcare associated infections, alleviate procedural complication during the treatment of heart disease, and reduce the risk of thrombosis during haemodialysis. As is currently the case in many areas of MOF application research, realisation of the potential benefits offered by MOFs is reliant on the successful development and understanding of their processing into end-product form.

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Organisation Website: http://www.st-and.ac.uk