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Dr Thomas Johnson
ACBE, Bernard Katz building
Torrington Place
Dr Thomas Johnson profile picture
  • Research Assistant
  • Dept of Biochemical Engineering
  • Faculty of Engineering Science

Thomas is a UKRI Research Fellow in the Department of Biochemical Engineering, having been successfully funded for an Innovation Scholars Secondment with Pall Biotech. He achieved a 1st class (Hons.) MEng degree in 2014 in Biochemical Engineering before completing his Engineering Doctorate (EngD) in 2019, supervised by Professors Daniel Bracewell and Paul Shearing at UCL and Dr. Peter Levison and Dr. John Welsh at Pall.

Thomas was the lead Post-doctoral Research Associate for the UCL-Pall Biotech Centre of Excellence (CoE) from 2018 to 2021. He holds positions within the Pall-UCL CoE management and Pall Academic Liaison Committees, responsible for the running and future vision of the extensive collaboration.  Thomas is an active associate of the Electrochemical Innovation Laboratory based in Chemical Engineering, UCL. Thomas is involved in the mentoring of seven doctorate candidates within the CoE. He is the co-supervisor on an EngD project that commenced in 2020.

In his role as a Research Fellow, Thomas is responsible for interfacing between UCL and Pall to promote CoE collaboration and integrate his academic research within an industry leading vendor. His interest in tomography and material characterisation is applied to Pall downstream processing materials with a view of developing design suggestions for the next generation of bioseparation structures to improve the efficiency of novel medicines purification.

Thomas is a Member of the American Chemical Society (ACS) and Associate Member of the Institution of Chemical Engineers (AMIChemE).

Research Themes
Research Summary

Thomas’ doctoral and postdoctoral published research pioneered the application of high resolution tomographic techniques e.g. X-ray computed tomography and focused ion beam microscopy to visualise and characterise the internal structure of depth filters, membranes and chromatographic structures at multiple length scales. 3D digital geometries reconstructed from high resolution imaging were used to evaluate key geometric properties that include porosity, pore size and available surface area. Digital volumes were used as the basis for computational fluid dynamics to evaluate tortuosity, permeability and diffusivity.

Thomas’ research agenda within the CoE involved developing a larger vision with Prof. Daniel Bracewell to design and generate novel bioseparations materials utilising imaging dataset information, including collaboration with relevant doctoral projects. His Research Fellowship continues this vision by producing new materials that address limitations and provide advantages over existing technologies through an imaging and evaluation feedback loop.

Teaching Summary

Thomas has designed, organised and delivered teaching content that includes lectures, seminars and guest talks since 2015 across three undergraduate and Masters level courses with Professor Eli Keshavarz-Moore. Thomas has also assisted in other department activities, including involvement in taught courses ran by Professor Daniel Bracewell and the UCL Biochemical Engineering Chromatography MBI. He has previously also partaken and supervised iGEM teams with Dr. Darren Nesbeth, in each case winning gold medals and additional prizes at the international Jamboree from 2013-2015.

JUN-2021 – MAY-2024 UKRI Research Fellow Biochemical Engineering UCL, United Kingdom
OCT-2018 – MAY-2021 Post-doctoral Researcher Biochemical Engineering UCL, United Kingdom
Academic Background
2019   Doctor of Engineering University College London
2014   Master of Engineering University College London
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