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Dr Rafa Castrejón


Research Funding

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Current Funded Research Projects

EC Jetting: Towards the Next Generation of Printing Technologies

Funding source: EPSRC Engineering and Physical Sciences Research Council
Start: 15-01-2022  /  End: 14-01-2024
Amount: £296,834

Small nozzles, which are used to deposit small volume of liquids, are more prone to clogging and breaking and more difficult to manufacture. This project aims to develop a novel technique to produce jets that are 100 times smaller than the nozzle in size (no need for small nozzles) and printing frequency that is one order of magnitude higher than the natural electrojetting pulsation technique (fast printing).

The Jetting of Complex Inks for Industrial Inkjet Technologies - KTP

Funding source: Innovate UK
Start: 01-10-2021  /  End: 30-09-2023
Amount: £180,000

Previous Funded Research Projects

An advanced Skin Care Test Platform

Funding source: Innovate UK
Start: 02-03-2020  /  End: 31-10-2020


Solar steam industrial project - Larkfleet

Funding source: Larkfleet Limited
Start: 01-09-2018  /  End: 30-11-2019

This project is to further develop our solar technologies to the production of steam.

Solar-Fresnel-Lens Concentrator Prototype

Funding source: Technology Strategy Board
Start: 01-01-2017  /  End: 31-03-2019

The sustainable generation of industrial and commercial process heat steam is critical to reduce greenhouse emissions and build up a Green economy. This is only possible by reducing the use of diesel and natural gas, which are currently widely used in Mexico. Solar technologies systems can meet this demand but they are currently either expensive or difficult to integrate in industrial and commercial environments. The SolFreSS project aims to develop an innovative solar collector for applications in medium temperature industrial heating processes; to deliver a subsystem for the management and delivery of steam; to determine the best strategies for the protection of industrial property and consequent commercialization; and to identify the required public policy changes needed to overcome the current market barriers for the exploitation of solar technologies in the Mexican industrial sector. SolFreSS uses Fresnel lenses instead of conventional reflectors.

Super-Resolution Light-Addressable Potentiometric Sensors (LAPS)

Funding source: B.B.S.R.C.
Start: 20-07-2017  /  End: 19-07-2018

  Super-resolution electrochemical imaging will be developed in this project for the investigation of cell signalling and cell metabolic processes in the cell-surface attachment area of living cells.


Funding source: Zyxogen LLC
Start: 01-06-2016  /  End: 31-07-2017

The collaboration is centered around the continued development and commercialization of Intellectual Property (IP) assets in the field of microfluidics. Full news:

Visualisation for Inket Printing

Funding source: Inca Digital Printing Ltd
Start: 01-01-2017  /  End: 31-05-2017


Drop your Thesis Programme

Funding source: ESA/ESTEC
Start: 01-07-2016  /  End: 30-11-2016

This project experimentally studied the thinning and break-up of liquids containing particles, defined as colloids in micro-gravity conditions. These studies are important because they can model a variety of complex fluids found in practical applications. The objective was to design and build a portable experimental rig that can be carried into the Micro-Gravity Drop Capsule in the ZARM tower.