Department of Chemistry

Dr Mark Lorch

BSc (Warwick), PhD (Bristol)

Mark Lorch

Associate Dean, Engagement
Senior Lecturer in Biological Chemistry

Department of Chemistry

  • Profile
  • Teaching
  • Research
  • Key publications
  • Public engagement
  • Showreel

Profile

Mark got his BSc in Biochemistry from the University of Warwick, he then completed doctoral studies and a post-doc on protein folding at the University of Bristol. Next Mark moved to Goethe University in Frankfurt where he aquired(some of) the tricks of solid state NMR, but singularly failed to learn to speak German. In 2006 he took up an RCUK fellowship at the University of Hull, as a joint appointment between the departments of Chemistry and Biology. He has since been promoted to senior lecturer in the Chemistry Department. So nows he's a fully fledged chemist (with a Royal Society of Chemistry membership to prove it). He still likes to prattle on about protein folding, but mainly researches lipid/protein/drug intereactions with a sideline in spores.

Mark is committed to science communication, he hosts the Beverley Science Cafe, holds regular family learning science workshops and has even been spotted doing kitchen chemistry in Hull's shopping centres. He was a UK national finalist of Famelab and has since appeared on BBC’s Coast, BBC Radio 4’s You and  Yours, US public service radio and numerous  regional radio and TV shows.

Much to his surprise Mark has discovered a talent for blogging and science journalsim. His Mum can’t quite believe it either, because frankly Mark would barely writea thing at school and can’t spell four tofee. He now blogs at http://www.chemistry-blog.com/ for the chemical community and for everyone else in places such as The Guardian and The Conversation. His prose has also appeared in Nature Chemistry, The Hindu Times, Scientific American and Ars Technica.

Teaching

Lectures courses

  • Foundation Science
  • Chemistry in Context, Nature's robots
  • Advanced NMR spectroscopy
  • Biological macromolecules, lipids and membranes
  • Chemistry for Biologists, NMR
  • Public Engagement and Science Communication

Laboratory classes

  • Foundation Science

Research

Research theme: Biological Chemistry
Research group: Biological Chemistry and Lipids Research Interest

Research interests

  • Drug/lipid interactions
  • Protein/membrane interactions in Amyloid disease
  • Use of sporopollonin exines as surfactants and drug delivery devices

My research focuses on the interactions that occur at and in lipid membranes.

I am particularly interested in how drugs penertrate membranes on their way to their target site and also what affect the drug molecules have on the phase behaviour of lipid membranes.

The Alzeihmer's peptide beta -amyloid is also the subject of my research. Studying the interactions between this peptide and cell membranes may help us understand its involvment in Alzeihmer's disease.

As a sideline I've also got interested in using plant spores for biotech applications. It turns out that the exine shells around spores can be used as amazingly versatile microencapsulation devices with applications from drug delivery to taste masking and oil sequestration.

Much of my research uses solid state NMR to probe the structure an function of these systems.

Key Publications

Recent and representative publications

Dynamic Nuclear Polarization-Enhanced Solid-State NMR of a 13C-labeled Signal Peptide Bound to Lipid-Reconstituted SEC Translocon, L. Reggie, J.J. Lopex, I. Collinson, C. Glaubitz and M. Lorch J. Am. Chem. Soc., 2011 133(47) 19084-19086. doi: 10.1021/ja209378h

Cholesterol and lipid phases influence the interactions between serotonin receptor agonists and lipid bilayers, R. Batchelor, C.J. Windle, S. Buchoux and M. Lorch J. Biol. Chem., 2010, 285, 41402-41411. doi: 10.1074/jbc.M110.155176

Access to a primary aminosporopollenin solid support from plant spores, S. Barrier, A. Lobbert, A. J. Boasman, A. N. Boa, M. Lorch, S. L. Atkin, and G. Mackenzie, Green Chemistry, 2010, 12, 234-40. doi: 10.1039/b913215e

MRI contrast agent delivery using spore capsules: controlled release in blood plasma, M. Lorch, M. J. Thomasson, A. Diego-Taboada, S. Barrier, S. L. Atkin, G. Mackenzie, and S. J. Archibald, Chem. Commun., 2009, 6442-4. doi: 10.1039/b909551a

Full publication list

Whiter, brighter, and more stable cellulose paper coated with TiO 2/SiO2 core/shell nanoparticles using a layer-by-layer approach. F. Cheng, M. Lorch, S.M. Sajedin, S.M. Kelly & A. Kornherr. ChemSusChem. (2013) 6(8)1392-1399.

Protein free microcapsules obtained from plant spores as a model for drug delivery: Ibuprofen encapsulation, release and taste masking A. Diego-Taboada, L. Maillet, Banoub, J.H.,  M. Lorch,  A.S. Rigby , A.N. Boa, S.L. Atkin, S.T. Beckett and G. MacKenzie. J. Mats. Chem. B. 2013 1(5) 707-713.

A clerical error provides a unique opportunity to study the effect of previously seen exam questions on exam results. T.J. Prior and M. Lorch New Directions 2012 8, 49-52 DOI: 10.11120/ndir.2012.00080049

Sequestration of edible oil from emulsions using new single and double layered microcapsules from plant spores. J. Mats. Chem. A. Diego-Taboada, P. Cousson, E. Raynaud, Huang, Y.,  M. Lorch, B.P. Binks, Y. Queneau, A.N. Boa, S.L. Atkin, S.T. Beckett and G. MacKenzie. 2012 22(19) 9767-9773

Dynamic Nuclear Polarization-Enhanced Solid-State NMR of a 13C-labeled Signal Peptide Bound to Lipid-Reconstituted SEC Translocon. L. Reggie, J.J. Lopex, I. Collinson, C. Glaubitz and M. Lorch. J. Am. Chem. Soc., 2011 133(47) 19084-19086. doi: 10.1021/ja209378h

Stabilizing membrane proteins in detergent and lipid systems in Robinson A.S. (eds) Production of membrane proteins: Stratgies for Expression and Isolation, New York,: Wiley 361-383

Cholesterol and lipid phases influence the interactions between serotonin receptor agonists and lipid bilayers, R. Batchelor, C.J. Windle, S. Buchoux and M. Lorch J. Biol. Chem., 2010, 285, 41402-41411. doi: 10.1074/jbc.M110.155176

Access to a primary aminosporopollenin solid support from plant spores, S. Barrier, A. Lobbert, A. J. Boasman, A. N. Boa, M. Lorch, S. L. Atkin, and G. Mackenzie, Green Chemistry, 2010, 12, 234-40. doi: 10.1039/b913215e

MRI contrast agent delivery using spore capsules: controlled release in blood plasma, M. Lorch, M. J. Thomasson, A. Diego-Taboada, S. Barrier, S. L. Atkin, G. Mackenzie, and S. J. Archibald, Chem. Commun., 2009, 6442-4. doi: 10.1039/b909551a

Lipid Unsaturation and Membrane Protein Has an Enormous Effect on the Gel Phase Hysteresis of Mixed Phospholipids, J. W. Jones, L. Lue, M. Lorch, A. Saiani, A. Tahlawi, and G. J. Tiddy, J. Cosmet. Sci., 2009, 60, 393-4. doi:

Phosphatidylglycerol lipids enhance folding of an alpha helical membrane protein, A. M. Seddon, M. Lorch, O. Ces, R. H. Templer, F. Macrae, and P. J. Booth, J. Mol. Biol., 2008, 380, 548-56. doi: 10.1016/j.jmb.2008.05.001

Characterisation of Schiff base and chromophore in green proteorhodopsin by solid-state NMR, N. Pfleger, M. Lorch, A. C. Woerner, S. Shastri, and C. Glaubitz, J. Biomol. NMR, 2008, 40, 15-21. doi: 10.1007/s10858-007-9203-5

Location and orientation of serotonin receptor 1a agonists in model and complex lipid membranes, J. J. Lopez and M. Lorch, J. Biol. Chem., 2008, 283, 7813-22. doi: 10.1074/jbc.M707480200

Transport cycle intermediate in small multidrug resistance protein is revealed by substrate fluorescence, D. Basting, M. Lorch, I. Lehner, and C. Glaubitz, FASEB J., 2008, 22, 365-73. doi: 10.1096/fj.07-9162com

Isothiocyanato-calix[4]phyrin-(1,1,1,1): a useful intermediate for the synthesis of derivatised anion sensors, S. C. Jha, M. Lorch, R. A. Lewis, S. J. Archibald, and R. W. Boyle, Org. Biomol. Chem., 2007, 5, 1970-4. doi: 10.1039/b703646a

Crystal structure of 4-hexyl-4 '-hydroxyazobenzene isopropanol hemisolvate, C18H22N2O center dot 1/2C(3)H(8)O, H. R. Nasiri, M. Bolte, M. Lorch, and H. Schwalbe, Z. Krist.-New Cryst. Struct., 2006, 221, 219-20. doi: 10.1524/ncrs.2006.0046

Kinetics of an individual transmembrane helix during bacteriorhodopsin folding, E. L. R. Compton, N. A. Farmer, M. Lorch, J. M. Mason, K. M. Moreton, and P. J. Booth, J. Mol. Biol., 2006, 357, 325-38. doi: 10.1016/j.jmb.2005.12.042

Investigating transport proteins by solid state NMR, D. Basting, I. Lehner, M. Lorch, and C. Glaubitz, Naunyn-Schmiedebergs Arch. Pharmacol., 2006, 372, 451-64. doi: 10.1007/s00210-006-0039-4

A kinetic study of the folding of Diacylglycerol Kinase (DAGK), A. M. Seddon, M. Lorch, and P. J. Booth, Biophys. J., 2005, 88, 49A-A. doi:

NMR and fluorescence spectroscopy approaches to secondary and primary active multidrug efflux pumps, M. Lorch, I. Lehner, A. Siarheyeva, D. Basting, N. Pfleger, T. Manolikas, and C. Glaubitz, Biochem. Soc. Trans., 2005, 33, 873-7. doi:

How to prepare membrane proteins for solid-state NMR: A case study on the cc-helical integral membrane protein diacylglycerol kinase from E-coli, M. Lorch, S. Fahem, C. Kaiser, I. Weber, A. J. Mason, J. U. Bowie, and C. Glaubitz, Chembiochem, 2005, 6, 1693-700. doi: 10.1002/cbic.200500054

Translocation of the cell - penetrating Tat peptide across artificial bilayers and into living cells, P. Curnow, H. Mellor, D. J. Stephens, M. Lorch, and P. J. Booth, in 'Lipids, Rafts and Traffic', ed. R. A. J. H. N. M. McIlhinney, London, 2005.

A kinetic study of the folding of diacylglycerol kinase, A. M. Seddon, M. Lorch, and P. J. Booth, Biophys. J., 2004, 86, 255A-A. doi:

Residue specific isotope labelling and first solid-state NMR experiments on the L-lactis ABC multidrug transport LmrA, a functional homologue of the human P-glycoprotein, A. J. Mason, A. Siarheyeva, M. Lorch, H. van Veen, and C. Glaubitz, Biophys. J., 2004, 86, 99A-100A. doi:

Amino acid type selective isotope labelling of the multidrug ABC transporter LmrA for solid-state NMR studies, A. J. Mason, A. Siarheyeva, W. Haase, M. Lorch, H. van Veen, and C. Glaubitz, FEBS Lett., 2004, 568, 117-21. doi: 10.1016/j.febslet.2004.05.016

Solid state NMR studies on the integral membrane protein diacylglyerol kinase from E. coli, M. Lorch, A. J. Mason, and C. Glaubitz, Biophys. J., 2004, 86, 99A-A. doi:

Insertion kinetics of a denatured alpha helical membrane protein into phospholipid bilayer vesicles, M. Lorch and P. J. Booth, J. Mol. Biol., 2004, 344, 1109-21. doi: 10.1016/j.jmb.2004.09.090

The reconstitution and activity of the small multidrug transporter EmrE is modulated by non-bilayer lipid composition, P. Curnow, M. Lorch, K. Charalambous, and P. J. Booth, J. Mol. Biol., 2004, 343, 213-22. doi: 10.1016/j.jmb.2004.08.032

Effects of lipid vesicle composition on DGK refolding, M. Lorch and P. J. Booth, Biophys. J., 2002, 82, 1700. doi:

In vitro studies of membrane protein folding, P. J. Booth, R. H. Templer, W. Meijberg, S. J. Allen, A. R. Curran, and M. Lorch, Crit. Rev. Biochem. Mol. Biol., 2001, 36, 501-603. doi:

Progressive stabilization of intermediate and transition states in protein folding reactions by introducing surface hydrophobic residues, D. Poso, R. B. Sessions, M. Lorch, and A. R. Clarke, J. Biol. Chem., 2000, 275, 35723-6. doi:

Effects of mutations on the thermodynamics of a protein folding reaction: Implications for the mechanism of formation of the intermediate and transition states, M. Lorch, J. M. Mason, R. B. Sessions, and A. R. Clarke, Biochemistry, 2000, 39, 3480-5. doi:

Effects of core mutations on the folding of a beta-sheet protein: Implications for backbone organization in the I-State, M. Lorch, J. M. Mason, A. R. Clarke, and M. J. Parker, Biochemistry, 1999, 38, 1377-85. doi:

Thermodynamic properties of transient intermediates and transition states in the folding of two contrasting protein structures, M. J. Parker, M. Lorch, R. B. Sessions, and A. R. Clarke, Biochemistry, 1998, 37, 2538-45. doi:

Acquisition of native beta-strand topology during the rapid collapse phase of protein folding, M. J. Parker, C. E. Dempsey, M. Lorch, and A. R. Clarke, Biochemistry, 1997, 36, 13396-405. doi:

Structure of a kinetic protein folding intermediate by equilibrium amide exchange, L. L. P. Hosszu, C. J. Craven, M. J. Parker, M. Lorch, J. Spencer, A. R. Clarke, and J. P. Waltho, Nature Structural Biology, 1997, 4, 801-4. doi:

Public engagement

Selected Public Engagement Activities

Magazine and newspaper articles

1) Lorch, M. Why do people hate the word ‘Chemicals’. Readers Digest. In press.

2) Lorch, M. Nature’s Robot Invaders New Humanist. Spring 2015

3) Lorch, M., Fenton, R & Leon. L.. Miniature labs, quantum computing, and the dangers of sweeteners. New Humanist. Winter 2014.

4) Lorch M., Brenner C & Leon. L. Understanding water, dying stars, and genetically modified mosquitoes. New Humanist. Autumn 2014

5) Lorch, M. The Geeks are Coming. June 2012. Civil Service World. pp. 22.

6) Lorch, M. Chemistry and the community. August 2011 Commerce and Industry 17(3), pp. 25.

7) Lorch, M. Research and Innovations That Touch Peoples’ Everyday Lives. 23 November 2011. Hull Daily Mail, A Year of Chemistry in the Humber. pp 9.

Online articles

1) Lorch, M. What does Spiderman have from breakfast. 28th January 2015. The Conversation, The Times & IFL Science. https://theconversation.com/what-does-spider-man-eat-for-breakfast-36857 [Accessed 30 January 2015]

2) Lorch, M. From comet chasing to gravity waves: 2014 in six science stories. 29th December 2014. The Conversation, Scroll.in & IFL Science http://www.sbs.com.au/news/article/2014/12/30/comet-chasing-gravity-waves-2014-six-science-stories [Accessed 25 January 2015]

3) Lorch, M. Explainer: what Philae did in its 60 hours on Comet 67P. 17th November 2014. The Conversation, Scroll.in & IFL Science http://www.scientificamerican.com/article/what-philae-did-during-its-60-hours-on-a-comet/%5bAccessed 25 January 2015]

4) Lorch, M. How the infamous Yellow Rain investigation has inspired a drug delivery innovation. 3rd November 2014. The Conversation, Scroll.in & phys.org https://theconversation.com/how-the-infamous-yellow-rain-investigation-has-inspired-a-drug-delivery-innovation-33271%5bAccessed 25 January 2015]

5) Lorch, M. Five science ‘facts’ we learnt at school that are plain wrong. 28th October 2014. The Conversation, IFL Science, Io9, SBS.com http://io9.com/five-science-facts-you-learned-at-school-that-are-plain-1653589805[Accessed 25 January 2015]

6) Lorch, M. Nobel Prize in chemistry: beating nature’s limits to build super-microscopes. 8th October 2014. The Conversation, Science20, SBS.com https://theconversation.com/nobel-prize-in-chemistry-beating-natures-limits-to-build-super-microscopes-32444 [Accessed 25 January 2015]

7) Lorch, M. Now you can turn your inkjet printer into a chemistry lab. 16th September 2014. The Conversation, phys.org, Live Science http://www.livescience.com/48029-how-to-turn-an-inkjet-printer-into-a-bio-lab.html  [Accessed 25 January 2015]

8)Lorch, M. Manmade or natural, tasty or toxic, they're all chemicals … 19th May 2014. http://www.theguardian.com/science/blog/2014/may/19/manmade-natural-tasty-toxic-chemicals The Guardian. [Accessed 25 January 2015]

9) Lorch, M. Five myths about the chemicals you breathe, eat and drink. 19th May 2014. The Conversation, IFLscience, Life Hacker, Real Clear Science. https://theconversation.com/five-myths-about-the-chemicals-you-breathe-eat-and-drink-26849 [Accessed 25 January 2015]

10) Lorch, M. Scientists are pushing ‘chemical-free’ nonsense in academic journals. 19th May 2014. The Conversation. https://theconversation.com/scientists-are-pushing-chemical-free-nonsense-in-academic-journals-25096 [Accessed 25 January 2015]

11) Lorch, M. Explainer: what is X-ray crystallography? 3rd February 2014. The Conversation, Science World Report. https://theconversation.com/explainer-what-is-x-ray-crystallography-22143 [Accessed 25 January 2015]

12) Lorch, M. The Wellcome Trust's treasure trove of chemical images. 30th January 2014. The Guardian. [Accessed 25 January 2015]

13) Lorch, M. Ten weird and terrifying medical instruments from the past. 3rd February 2014. The Conversation, IFL Science, Real Clear Science, Live Science . http://www.theguardian.com/science/blog/2014/jan/30/wellcome-trust-treasure-trove-chemical-images [Accessed 25 January 2015]

14) Lorch, M. Frederick Sanger’s achievements cannot be overstated. 21st November 2013. The Conversation, The Hindu. http://www.thehindu.com/sci-tech/frederick-sangers-achievements-cannot-be-overstated/article5379923.ece [Accessed 25 January 2015]

15) Lorch, M. Accusations of fraud spur a revolution in scientific publishing. 8th November 2013. The Guardian. http://www.theguardian.com/science/blog/2013/nov/08/fraud-revolution-scientific-publishing-peer-review [Accessed 25 January 2015]

16) Lorch, M. What if water had a memory? 2nd October 2013. The Conversation, Real Clear Science, Phys.org. https://theconversation.com/what-if-water-had-memory-18071 [Accessed 25 January 2015]

17) Lorch, M. The Underground Map of the Elements. 3rd September 2013. The Guardian. http://www.theguardian.com/science/blog/2013/sep/03/underground-map-elements-periodic-table [Accessed 25 January 2015]

18) Lorch, M. A layer of sunscreen on the street might fight smog. 22nd August 2013. The Conversation. https://theconversation.com/a-layer-of-sunscreen-on-the-street-might-fight-smog-16545 [Accessed 25 January 2015]

19) Lorch, M. Cricket finds itself in a hot spot over silicone on bats. 9th August 2013. The Conversation. https://theconversation.com/cricket-finds-itself-in-a-hot-spot-over-silicone-on-bats-16870 [Accessed 25 January 2015]

20) Lorch, M. Six chemicals we consume in our food and drink that should be banned. 28th June 2013. The Guardian. http://www.theguardian.com/science/blog/2013/jun/28/six-chemicals-food-drink-banned  [Accessed 25 January 2015]

21) Lorch, M. Silver bullets kill bacteria, not werewolves or witches. 19th June 2013. The Conversation, Ars Technica, The Hindu. http://arstechnica.com/science/2013/06/silver-bullets-that-kill-bacteria-not-werewolves/ [Accessed 25 January 2015]

22) Lorch, M. Has your MP read The Geek Manifesto? 28th June 2013. The Guardian. http://www.theguardian.com/science/blog/2013/jun/18/mp-geek-manifesto [Accessed 25 January 2015]

23) Lorch, M. How to make a DNA double helix from jelly babies and liquorice. 18th June 2013. http://www.theguardian.com/science/blog/2013/apr/25/dna-double-helix-jelly-babies-liquorice The Guardian. [Accessed 25 January 2015]

24) Lorch, M. Explainer: what are chemical weapons? 21st May 2013. The Conversation. https://theconversation.com/explainer-what-are-chemical-weapons-13881 [Accessed 25 January 2015]

25) Lorch, M. Gold, silver and lasers: new weapons for the superbug war. 16th May 2013. The Conversation. https://theconversation.com/gold-silver-and-lasers-new-weapons-for-the-superbug-war-13807 [Accessed 25 January 2015]

26) Lorch, M. George Gray, the man who made flat screens possible. 22nd March 2013. The Guardian. http://www.theguardian.com/science/blog/2013/mar/22/george-gray-liquid-crystal-displays [Accessed 25 January 2015]

27) Lorch, M. Scientists take to Twitter to reveal their less than scientific methods. 10th January 2013. The Guardian. http://www.theguardian.com/science/blog/2013/jan/10/scientists-twitter-methods [Accessed 25 January 2015]

28) Lorch, M. Christmas dinner chemistry: wow your guests with these party tricks. 21st December 2012. The Guardian. http://www.theguardian.com/science/blog/2012/dec/21/christmas-dinner-chemistry-party-tricks [Accessed 25 January 2015]

29) Lorch, M. 2012. Consumer Confusion Part 1 – Bio and Non-Bio washing powders. You and Yours. 3 December 2012. Available at: http://www.bbc.co.uk/programmes/b01p3hnz [Accessed 25th January, 2015]

30) Lorch, M. These Halloween pranks from Gizmodo could seriously damage your health. 31st October 2012. The Guardian. http://www.theguardian.com/science/blog/2012/oct/31/halloween-pranks-gizmodo-health [Accessed 25 January 2015]

31) Lorch, M. Chemistry-blog [blog] Staff blogger since March 2012. Available at: http://www.chemistry-blog.com/. [Accessed 25th January, 2015]

Radio

1) Lorch, M. ‘Naked Scientist Christmas Party’ BBC Radio 5 live, 23:00 hrs 25th December 2014. ABC National radio, Australia, 26th. 10:00 hrs December 2015

2) Lorch, M ‘5 Live Drive’. BBC Radio 5 live. 16:00 hrs. 25th January 2014

3) Lorch, M. ‘Four thought’ BBC Radio 4. 27th November 2013. 20:45 hrs. http://www.bbc.co.uk/radio/player/b03jdw70 [Accessed 25th January, 2015]

4) Lorch, M. ‘Marketplace Tech’. American Public Media.  27 March 2013. Varies broadcast times across USA.  http://www.marketplace.org/topics/tech/incredible-history-lcd-flat-screen-tv[accessed 25th  January 2015].

5) Lorch, M. ‘You and Yours’. BBC Radio 4. 3 December 2012. 12:00 hrs  www.bbc.co.uk/programmes/b01p3hnz  [accessed 25th  January 2015].

Over 20 appearances on regional radio since 2012.

Television

1) Lorch, M. Nigel Slater’s Great British Biscuits BBC4,18th December 2013, 21:00 hrs

2) Lorch, M. Some Scientists with Jokes, BBC 4 24th July. 22:00 hrs

3) Lorch M. Coast. Series 8 Episode 2, ‘The Worker’s Coast’ BBC 2. 10 April 2013. 20:00 hrs  

4) Lorch M. ‘Look North’- Yorkshire, BBC 1. 23 March 2013. 18:30 hrs 

5) Lorch M. ‘Points of View’  Commenting on James May’s Thing You Need to Know About Chemistry. BBC 2. 7 October 2012. 16:40hrs

6) Lorch M. ‘Calendar TV‘   ITV. 14th June 2011. 18:30 hrs.

Accolades

Named in ’20 chemists worth following on Twitter’. C&EN Magazine 92(39) 29th September, 2014 http://cen.acs.org/articles/92/i39/20-Chemists-Worth-Following-Twitter.html [Accessed 25th January, 2015]

Named in ‘Top blog posts of 2014’ 19th December 2014 Nature Chemistry http://blogs.nature.com/thescepticalchymist/2014/12/the-top-blog-posts-of-2014.html [Accessed 25th January, 2015]

Named in ‘Top 10 chemistry blogs posts of 2013’ 11th December 2013 Nature Chemistry http://blogs.nature.com/thescepticalchymist/2013/12/the-top-10-chemistry-blog-posts-of-2013.html [Accessed 25th January, 2015]

Famelab 2012 National Finalist. Royal Institution. March 2012.

Most read author, out of over 20,000 academics, on The Conversation network

Showreel

Select videos

Radio interviews

Mark Lorch: Chemiphobia

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