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Dr Charis Theodorakopoulos

Senior Lecturer

Department: Arts

Charis Theodorakopoulos (1)Prior to joining Northumbria in 2013, Charis taught conservation of works of art and conservation science as Associate Scientist, at the Technological Educational Institute of Athens, Greece (2007-2013). Prior to that he was a Research Assistant and Research Fellow at the University of London, Birkbeck College, Department of Biochemical Sciences (2004-2008) where he contributed to several EU projects (4th, 5th and 6th FPs). During his doctoral research (Hellenic State Fund 2001-2004) he contributed to the optimisation and the evaluation of laser cleaning of paintings using UV pulsed (excimer) lasers at the Royal College of Art, in collaboration with IESL-FoRTH in Greece (EU TMR DGXII and TMR 5th CSF funds 2002-2003) and FOM-Institute for Atomic and Molecular Physics (AMOLF) in Amsterdam (funded by FOM program 49 and NWO). He has employed laser-induced analysis, mass spectrometry, optical spectroscopy as well as thermal analysis to study a wide range of artist’s and heritage materials, including the study of paintings and the characterisation of dyes, binding media, paints and coatings. At TEI-A he developed novel cleaning materials for varnished and unvarnished tempera paints, murals and gilded panels with advanced gel formulations. He is collaborating with practicing conservators, conservation scientists, preventive conservation experts as well as scientists at diverse disciplines and sectors. He has contributed to a number of international research projects and he is member of national and international professional conservation bodies.

Campus Address

City Campus
001 Burt Hall, Northumberland Road
Newcastle upon Tyne


Art DPhil June 30 2005

Key Publications

  • Please visit the Pure Research Information Portal for further information
  • An analytical evaluation of Er:YAG laser cleaning tests on a nineteenth century varnished painting, Theodorakopoulos, C., Chillé, C., Papadakis, V. 30 May 2020, In: Microchemical Journal
  • A study on the heat distribution and oxidative modification of aged dammar films upon Er:YAG laser irradiation, Chillé, C., Sala, F., Wu, Q., Theodorakopoulos, C. 2020, In: Icon (London, England)
  • Polyolefin-Supported Hydrogels for Selective Cleaning Treatments of Paintings, Freese, S., Diraoui, S., Mateescu, A., Frank, P., Theodorakopoulos, C., Jonas, U. 18 Dec 2019, In: Gels
  • Recent studies of the Hexham Abbey painting collection, Kelsey, T., Theodorakopoulos, C. 1 Aug 2019, In: Hexham Historian
  • Combined solvent- emulsion- and polyacrylate gel- cleaning of an over-cleaned, injured egg tempera icon, Bakalarou, A., Theodorakopoulos, C. 25 Jan 2017, In: eConservation Journal
  • Novel surface-attached gels from photo-crosslinkable polyacrylamides for the cleaning of works of art, Mateescu, A., Freese, S., Frank, P., Jonas, U., Theodorakopoulos, C. 31 Oct 2017, Gels in the conservation of art, London, Archetype Books
  • Testing and evaluation of laser cleaning of a varnished 20th century oil painting, Chille, C., Papadakis, V., Theodorakopoulos, C. 30 Nov 2017, APLAR 6, APLAR
  • A Preliminary Investigation Into the Use of Diethylenetriaminepentaacetic Acid (DTPA), and Ethylenediaminetetraacetic Acid (EDTA) to Treat Foxing of Paper Objects., Prestowitz, B., Theodorakopoulos, C., Colbourne, J. 17 May 2016
  • The development of Northumbria University collections, materials and conservation research archive, Theodorakopoulos, C., Colbourne, J. 2016, In: Journal of the Institute of Conservation
  • Traditional and modern gel-based cleaning procedures on two typical 19th century panel paintings coated with aged natural resin varnishes, Bakalarou, A., Theodorakopoulos, C. 26 May 2015

PGR Supervision

  • Valentina Risdonne Start: 01/10/2017
  • Chiara Chillé Er:YAG laser interactions with natural and synthetic varnishes for paintings Start: 01/10/2016


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