Research and publications at Plymouth Electron Microscopy Centre (PEMC)

Zaric S, Strachan A, Kurushima Y, Dong A, McIlwaine C, Harrington Z, Nibali L, Foey A & Ide M (2022) 'Evaluating clinical utility of subgingival and salivary endotoxin activity levels as periodontal biomarkers' Frontiers in Oral Health 3, DOI

Foey A, Habil N, Strachan A & Beal J (2022) 'Lacticaseibacillus casei Strain Shirota Modulates Macrophage-Intestinal Epithelial Cell Co-Culture Barrier Integrity, Bacterial Sensing and Inflammatory Cytokines' Microorganisms 10, (10) , DOI Open access

Langer, G., Taylor, A.R., Walker, C.E., Meyer, E.M, Joseph, O.Z, Gal, A., Harper, G.M., Probert, I., Brownlee, C. & Wheeler, G.L. (2021) Role of silicon in the development of complex crystal shapes in coccolithophores, New Phytologist 231, 5 1845-1857 DOI

Knights, AM, Norton, MJ, Lemasson, AJ & Stephen, NR (2020) 'Ocean Acidification Mitigates the Negative Effects of Increased Sea Temperatures on the Biomineralization and Crystalline Ultrastructure of Mytilus', Frontiers in Marine Science

Hutt, LP, Harper, GM, Moody, AJ & Boden, R. (2020) 'Insights into growth kinetics and roles of enzymes of Krebs’ cycle and sulfur oxidation during exochemolithoheterotrophic growth of Achromobacter aegrifaciens NCCB 38021 on succinate with thiosulfate as the auxiliary electron donor', Archives in Microbiology DOI

Mcilwaine C, Strachan A, Harrington Z, Jerreat M, Belfield LA, Sandor V, Foey A & Zaric S (2019) 'Comparative analysis of total salivary lipopolysaccharide chemical and biological properties with periodontal status' Archives of Oral Biology 110, 104633-104633 , DOI Open access

Doyle S, Hansen DB, Vella J, Bond P, Harper G, Zammit C, Valentino M & Fern R (2018) 'Vesicular glutamate release from central axons contributes to myelin damage' Nature Communications 9, (1), DOI PEARL

Langan LM, Harper GM, Owen SF, Purcell WM, Jackson SK & Jha AN (2017) 'Application of the rainbow trout derived intestinal cell line (RTgutGC) for ecotoxicological studies: molecular and cellular responses following exposure to copper' Ecotoxicology 26, (8) pp 1117-1133 , DOI PEARL

McKeown DA, Stevens K, Peters AF, Bond P, Harper GM, Brownlee C, Brown MT & Schroeder DC (2017) 'Phaeoviruses discovered in kelp (Laminariales)' The ISME Journal 11, (12) pp 2869-2873 , DOI PEARL

Bilton, D, Tourraint, E, Turner, C, Balke, M (2015). Capeloatus prykei gen. et sp.n. (Coleoptera: Dytiscidae: Copelatinae) – a phylogenetically isolated diving beetle from the Western Cape of South Africa, Systematic Entomology, Volume 40 Issue 3, p520-531 (Acknowledgements: Dr Roy Moate and Glenn Harper).

Umeaghadi, C. C., Lucock, T., Hartley, R., Berry, J., & Bailey, M. T. (2024). Physico-mechanical properties of halite and gypsum–mudstone crushed rock backfills of the Mercia Mudstone Group. Geoenergy. DOI

Genge, M.J., Alesbrook, L., Almeida, N.V., Bates, H.C., Bland, P.A., Boyd, M.R., Burchell, M.J., Collins, G.S., Cornwell, L.T., Daly, L., Devillepoix, H.A.R., Van Ginneken, M., Greshake, A., Hallatt, D., Hamann, C., Hecht, L., Jenkins, L.E., Johnson, D., Jones, R., King, A.J., Masour, H., McMullan, S., Mitchell, J.T., Rollinson, G., Russell, S.S., Schröder, C., Stephen, N.R., Suttle, M.D., Tandy, J.D., Trimby, P., Sansom, E.K., Spathis, V., Willcocks, F.M. & Wozniakiewicz, P.J. (2023) The fusion crust of the Winchcombe meteorite: A preserved record of atmospheric entry processes, Meteoritics & Planetary Science, DOI (Open Access)

Suttle, M.D., Daly, L., Jones, R.H.,, Jenkins, L.,, Van Ginneken, M., Mitchell, J.T., Bridges, J.C., Hicks, L.J., Johnson, D., Rollinson, G., Taylor, R., Genge, M.J., Schröder, C., Trimby, P., Mansour, H., Piazolo, S., Bonsall, E., Salge, T., Heard, R., Findlay, R., King, A.J., Bates, H.C., Lee, M.C., Stephen, N.R., Willcocks, F.M., Greenwood, R.C., Franchi, I.A., Russell, S.S., Harrison, C.S., Schofield, P.F., Almeida, N.V., Floyd, C., Martin, P-E., Joy, K.H., Wozniakiewicz, P.J., Hallatt, D., Burchell, M., Alesbrook, L.S., Spathis, V., Cornwell, L.T., Dignam A. (2022) The Winchcombe meteorite – a regolith breccia from a rubble-pile CM chondrite asteroid, Meteoritics & Planetary Science, DOI (Open Access)

King, A.J., Daly, L., Rowe, J., Joy, K.H., Greenwood, R.C., Devillepoix, H.A.R., Suttle, M.D., Chan, Q.H.S, Russell, S.S., Bates, H.C,,Bryson, J.F.J., Clay, P.L., Vida, D., Lee, M.R., O’Brien, A., Hallis, L., Stephen, N.R., Tartèse, R., Sansom, E.K., Towner, M.C., Cupak, M., Shober, P.M., Bland, P.A., Findlay, R., Franchi, I.A., Verchovsky, A.B., Abernethy, F.A.J., Grady, M.M., Floyd, C.J., Van Ginneken, M., Bridges, J., Hicks, L., Jones, R.H., Mitchell, J.T., Genge, M.J., Jenkins, L., Martin, P-E.M.C., Sephton, M.A., Watson, J.S., Salge, T., Shirley, K.A., Curtis, R.J., Warren, T.J., Bowles, N.E., Stuart, F.M., Di Nicola, L., Györe, D., Boyce, A.J., Shaw, K.M.M., Elliott, T., Steele, R.C.J., Povinec, P., Laubensteinm M., Sanderson, D., Cresswell, A., Jull, A.J.T., Sýkora, I., Sridhar, S., Harrison, R.J., Willcocks, F.M., Harrison, C.S. , Hallatt, D., Wozniakiewicz, P.J., Burchelll, M.J., Alesbrook, L.S., Dignam, A., Almeida, N.V., Smith, C.L., Clark, B., Humphreys-Williams, E.R., Schofield, P.F., Cornwell, L.T., Spathis, V., Morgan, G.H., Perkins, M.J., Kacerek, R., Campbell-Burns, P., Colas, F., Zanda, B., Vernazza, P., Bouley, S., Hankey, M., Collins, G.S., Young, J.S, Shaw,C., Horak, J., Jones, D., James, N., Bosley, S., Shuttleworth, A., Dickinson, P., McMullan, I., Robson, D., Smedley, A.R.D., Stanley, B., Bassom, R., McIntyre, M., Suttle, A.A., Fleet, R., Bastiaens, L., Ihasz, M., McMullan, S., Boazman, S.J., Dickeson, Z.I., Grindrod, P.M., Pickersgill, A.E., Weir, C.J., Suttle, F.M., Farrelly, S., Spencer, I., Naqvi, S., Mayne, B., Skilton, D., Kirk, D., Mounsey, A., Mounsey, S., Mounsey, S.E., Godfrey, P., Bond, L., Bond, V., Wilcock, C., Wilcock, H. & Wilcock, R. (2022) The Winchcombe Meteorite, a Unique and Pristine Witness from the Outer Solar System, Science Advances, 6, 46, DOI (Open Access)

Hunter, N.; Voisey, C.; Tomkins, A.; Wilson, C.; Luzon, V. & Stephen, N.R. (2021) Deformation Mechanisms in Orogenic Gold Systems During Aseismic Periods: Microstructural Evidence from the Central Victorian Gold Deposits, Southeast Australia, Economic Geology 116 (8) 1849-1864 DOI

Langendam, A., Tomkins, A.G., MacRae, C., Wilson, N., Evans, K. & Stephen, N.R. (2021) CHOS gas/fluid-induced reduction in Ureilites, Meteoritics and Planetary Science DOI

Staddon, L., Darling, J.R., Schwarz, W.H., Stephen, N.R., Schuindt, S., Dunlop, J. & Tait, K.T. (2021) Dating the age of martian mafic crust; microstructurally constrained baddeleyite geochronology of enriched shergottites Zagami, Northwest Africa (NWA) 7257 and NWA 8679, Geochimica et Cosmochimica Acta, DOI

Wenzel, A., Filiberto, J., Stephen, N.R., Schwenzer, S.P. & Hammond, S.J. (2021) Constraints on the petrologic history of gabbroic shergottite Northwest Africa 6963 from pyroxene zoning profiles and electron backscattered diffraction, Meteoritics & Planetary Science 56, 1744-1757, DOI

Mitchell, J.T., Tomkins, A.G., Newton, C. & Johnson, T.E. (2021), A model for evolving crust on 4 Vesta through combined compositional and thermal modelling, Earth and Planetary Science Letters, 571, 117105 DOI

Tomkins, A.G., Johnson, T.E. & Mitchell, J.T. (2020), A review of the chondrite-achondrite transition, and a metamorphic facies series for equilibrated primitive stony meteorites, Meteoritics & Planetary Science, 55, 857-885 DOI

Tomkins, A.G., Alkemade, S.L., Nutku, S.E., Stephen, N.R., Finch, M.A. & Jeon, H (2020) A small S-MIF signal in Martian regolith pyrite: Implications for the atmosphere, Geochimica et Cosmochimica Acta 290, 59-75 DOI

Jansen-Sturgeon, T., Hartig, B.A.D., Madsen, G.J., Bland, P.A., Sansom, E.K., Devillepoix, H.A.R., Howie, R.M., Cupak, M., Towner, M.C., Cox, M.A., Nevill, N.D., Hoskins, Z.N.P., Bonning, G.P., Calcino, J., Clark, J.T., Henson, B.M., Langendam, A., Matthews, S.J., McClafferty, T.P., Mitchell, J.T., O'Neill, C.J., Smith, L.T., Tait, A.W. (2020), Recreating the OSIRIS-REx slingshot manoeuvre from a network of ground-based sensors, Publications of the Astronomical Society of Australia, 37, e049 DOI

Tomkins AG, Alkemade SL, Nutku SE, Stephen NR, Finch MA & Jeon H (2020) 'A small S-MIF signal in Martian regolith pyrite: Implications for the atmosphere' Geochimica et Cosmochimica Acta Publisher Site , DOI PEARL

MacArthur, J.L., Bridges, J.C., Hicks, L.J., Burgess, R., Joy, K.H., Branney, M.J., Hansford, G.M., Baker, S.H., Schwenzer, S.P., Gurman, S.J., Stephen, N.R., Steer, E.D., Piercy, J.D. & Ireland, T.R. (2019) Mineralogical constraints on the thermal history of martian regolith breccia Northwest Africa 8114 Geochimica et Cosmochimica Acta 246, 267-298 DOI
Strachan A, Harrington Z, McIlwaine C, Jerreat M, Belfield LA, Kilar A, Jackson SK, Foey A & Zaric S (2018) 'Subgingival lipid A profile and endotoxin activity in periodontal health and disease' Clinical Oral Investigations Author Site , DOI Open access

King, A.J., Schofield, P.F., Stephen, N.R., Frogley, M.D., Cinque, G. & Russell, S.S. (2018) Investigating the history of volatiles in the solar system using synchrotron infrared micro-spectroscopy Infrared Physics and Technology 94, 244-249 DOI

Berry, A.J., Schofield, P.F., Kravtsova, A.N., Miller, L.A., Stephen, N.R., Walker, A.M., Soldatov, A.V., Ireland, T.R., Geraki, K. & Mosselmans, J.F.W. (2017) The limitations of hibonite as a single-mineral oxybarometer for early solar system processes Chemical Geology DOI

O'Hanlon TJ, Massabuau FC-P, Bao A, Kappers MJ & Oliver RA (2021) 'Directly correlated microscopy of trench defects in InGaN quantum wells' Ultramicroscopy 113255-113255 , DOI

O'Hanlon TJ, Zhu T, Massabuau FC-P & Oliver RA (2021) 'Dislocations at coalescence boundaries in heteroepitaxial GaN/sapphire studied after the epitaxial layer has completely coalesced' Ultramicroscopy 113258-113258 , DOI

O'Hanlon TJ, Bao A, Massabuau FC-P, Kappers MJ & Oliver RA (2020) 'Cross-shaped markers for the preparation of site-specific transmission electron microscopy lamellae using focused ion beam techniques' Ultramicroscopy 212, 112970-112970 , DOI

D.M.Haspel, M.A.Ashworth, L.Wu, G.D.Wilcox, X.Bao & R.J.Mortimer (2019) The effect of different post-electroplating surface modification treatments on tin whisker growth, Transactions of the IMF, 97, 3, 129-139, DOI

Humphreys CJ, Massabuau FC-P, Rhode SL, Horton MK, O’Hanlon TJ, Kovacs A, Zielinski MS, Kappers MJ, Dunin-Borkowski RE & Oliver RA (2018) 'Atomic Resolution Imaging of Dislocations in AlGaN and the Efficiency of UV LEDs' Microscopy and Microanalysis 24, (S1) 4-5 , DOI

Massabuau FC-P, Rhode SL, Horton MK, O’Hanlon TJ, Kovács A, Zielinski MS, Kappers MJ, Dunin-Borkowski RE, Humphreys CJ & Oliver RA (2017) 'Dislocations in AlGaN: Core Structure, Atom Segregation, and Optical Properties' Nano Letters 17, (8) 4846-4852 , DOI

Massabuau FC-P, Chen P, Horton MK, Rhode SL, Ren CX, O'Hanlon TJ, Kovács A, Kappers MJ, Humphreys CJ & Dunin-Borkowski RE (2017) 'Carrier localization in the vicinity of dislocations in InGaN' Journal of Applied Physics 121, (1) 013104-013104 , DOI

D.M.Haspel, M.A.Ashworth, L.Wu, G.D.Wilcox & R.J.Mortimer (2016) Tin Whisker Mitigation My Means of a Post-Electroplating Electrochemical Oxidation Treatment, Transactions of the IMF, 93, 332-341 DOI

Springbett H, Griffiths J, Ren C, O'Hanlon T, Barnard J, Sahonta S-L, Zhu T & Oliver R (2015) 'Structure and composition of non-polar (11-20) InGaN nanorings grown by modified droplet epitaxy' Physica status solidi (b) 253, (5) 840-844 , DOI

Strachan, A., Haspel, D. & Stephen, N.R. (2021) 3D printing of custom sample holders as a responsive and cost-effective method of sample holder generation for electron microscopy, Microscopy & Microanalysis DOI 

Giles S, Jackson C & Stephen N (2020) 'Barriers to fieldwork in undergraduate geoscience degrees' Nature Reviews Earth & Environment 1, (2) 77-78 , DOI PEARL

Mitchell, J.T., Willcocks, F.M., Stephen, N.R. (2023), Fayalite in polymict eucrite northwest Africa 6414: evidence of metasomatism and fayalite-bearing magmas on the HED parent body?, Lunar & Planetary Science Conference,  #1492

Willcocks, F.M., Mitchell, J.T., Stephen, N.R. (2023), Real science in real time; how microscopy live! Has introduced planetary science to a wider audience, Lunar & Planetary Science Conference, #1950

Willcocks, F.M., Stephen, N.R., Grimes, S.T., Mitchell, J.T. (2022), A new terrestrial analogue for Martian volcanism: An unexpected match for the shergottite meteorites, 85th Annual Meeting of the Meteoritical Society, #6018

Mitchell, J.T., Willcocks, F.M., Stephen, N.R. (2022), Northwest Africa 6414 classified after 10 years: A complex polymict eucrite of at least nine lithological groups, 85th Annual Meeting of the Meteoritical Society, #6017

Suttle, M.D. et al. (2022), Geological history of the Winchcombe meteorite - a new CM chondrite fall, 85th Annual Meeting of the Meteoritical Society, #6076

Daly, L. et al. (2022), A coordinated approach to investigate the heterogeneity of aqueous alteration at the micro-scale in the Winchcombe meteorite, a CM fall, 85th Annual Meeting of the Meteoritical Society, #6262

Genge, M.J. et al. (2022), The fusion crust of the Winchcombe meteorite: Vigorous degassing during atmospheric entry, 85th Annual Meeting of the Meteoritical Society, #6345

Martin, P-E.M.C., King, A.J., Mitchell, J.T., Stephen, N.R., Trimby, P., Van Ginneken, M., Salge, T., Almeida, N.V., Willcocks, F.M., Daly, L., Lee, M.R. (2022), Calcium-aluminium-rich inclusion populations within the Winchcombe CM2 meteorite breccia, 85th Annual Meeting of the Meteoritical Society, #6358

Willcocks, F., Grimes, S.T. & Stephen, N.R. (2021) Comparative Planetology of the Inner Solar System; Using Flood Basalts on the Moon (Lunar Maria), Mars (Tharsis and Elysium) and Earth to Investigate the Magmatic Evolution of Our Solar System, LPI Contributions 2609, 6061

Mitchell, J.T., Tomkins, A.G., Wilson, N.C., Howard, D.L. & Stephen, N.R. (2022), A single chondrule preserved in a petrographic thin section of howardite Dhofar 018, 53rd Lunar and Planetary Science Conference, #1184

Mitchell, J.T., Stephen, N.R. & Tomkins, A.G. (2021), Sampling an impact melt sheet with unusual diogenite Northwest Africa 5480, 84th Annual Meeting of the Meteoritical Society, #6008

Mitchell, J.T., Tomkins, A.G., Newton, C. & Johnson, T.E. (2021), The evolving crust of 4 Vesta from compositional and thermal modelling, 52nd Lunar and Planetary Science Conference, #1576

Mitchell, J.T. & Tomkins, A.G. (2019), Compositional diversity of diogenites: variable fO2 and post-eucritic magmatism, 82nd Annual Meeting of the Meteoritical Society, #6065

Mitchell, J.T. & Tomkins, A.G. (2019), Constraining ejecta blanket conditions of Dhofar 018 form a single pristine chondrule, SSERVI Australia

Massabuau F, Rhode S, Horton M, O'Hanlon T, Kovacs A, Zielinski M, Kappers MJ, Dunin-Borkowski R, Humphreys CJ & Oliver RA (2018) 'Alloy fluctuations at dislocations in III-nitrides: identification and impact on optical properties' Gallium Nitride Materials and Devices XIII 1-/-0/20182-/-0/2018SPIE , DOI

Mitchell, J.T. & Tomkins, A.G. (2018), On the origin of olivine diogenites and diogenites: compositional diversity linked to variable fO2, 22nd Meeting of the International Mineralogical Association, #IMA2018-1393

Mitchell, J.T. & Stephen, N.R. (2016), Revisiting NWA 3141, 8266, and 8594: two eucrites and a howardite?, 79th Annual Meeting of the Meteoritical Society, #6224

Mitchell, J.T. & Stephen, N.R. (2016), Variations within the Vestan meteorites: cause for re-evaluating the HED classification scheme?, Extraterrestrial Materials Research Meeting