Any views expressed within media held on this service are those of the contributors, should not be taken as approved or endorsed by the University, and do not necessarily reflect the views of the University in respect of any particular issue.


  • 81. Domingo, J.P.T., Attal, M., Mudd, S.M., Ngwenya, B.T. & David, C.P.C. Seasonal fluxes and sediment routing in tropical catchments affected by nickel mining. Earth Surface Processes & Landforms, in press.
  • 80. Leonardi, C., Toscano, V., Genovese, C., Mosselmans, J.F.W., Ngwenya, B.T. & Raccunia, S.A. Evaluation of cadmium and arsenic effects on wild and cultivated cardoon genotypes selected for metal phytoremediation and bioenergy purposes. Environmental Science & Pollution Research, in press.
  • 79. Arnull, A., Wilson, A.M.W., Brayne, K., Dexter, K., Donah, A.G., Gough, C.L.A., Kluckow, T., Ngwenya, B.T. & Tudhope, A.W. Ecological co-benefits from sea cucumber farming? Holothuria scabra increases growth rate of seagrass. Aquaculture Environment Interactions, in press (
  • 78. Pouret, O., Anand, P., Arndt, S., Bots, P., Dosseto, A., Li, Z., Marin Carbonne, J., Middleton, J.,  Ngwenya, B.T.  & Riches, A.J.B.Diversity, Equity, and Inclusion: tackling under-representation and recognition of talents in Geochemistry and Cosmochemistry. Geochimica Cosmochimica Acta, in press.
  • 77. Wang, Y., Feng, M-H., Wang, J., Chen, X., Chen, X., Du, X., Xub, F., Ngwenya, B.T. Algal Blooms modulate organic matter remineralisation in freshwater sediments: A new insight on priming effect.  Science of the Total Evironment, 784, 147087.
  • 76. Adele, N.C., Ngwenya, B.T., Heal, K.V., Mosselmanns, J.F.W. (2021). Role of plant growth promoting bacteria in driving speciation gradients across soil-rhizosphere-plant interfaces in zinc-contaminated soils. Environmental Pollution, 279, 116909.
  • 75. Kinsman, L.M.M, Morrison, C.A.,Ngwenya, B.T., and Love, J.B., (2020). Reducing the Competition: A Dual-Purpose Ionic Liquid for the Extraction of Gallium from Iron Chloride Solutions. Molecules,, 25 (18), 4047,
  • 74. Kinsman, L.M.M, Crevecoeur, R.A.M, Singh-Morgan, A., Ngwenya, B.T., Morrison, C.A., Love, J.B., (2020). Tantalum Recycling by Solvent Extraction: Chloride Is Better than Fluoride. Metals,, 10 (3), 346,
  • 73. Liang, L-L., Liu, C., Zhu, X., Ngwenya, B.T., Wang, Z., Song, L. & Li, J., (2020). Zinc isotope characteristics in the biogeochemical cycle as revealed by analysis of suspended particulate matter(SMP) in Aha Lake and Hongfeng Lake, Guizhou, China. J. Earth Sci.,, 31, 126–140
  • 72. Doidge, E.D., Kinsman, L.M.M., Li, Y., Carson, I., Duffy, A.J., Kordas, I.A., Shao, E., Tasker, P.A., Ngwenya, B.T., Morrison, C.A. and Love, J.B. (2019). Evaluation of Simple Amides in the Selective Recovery of Gold from Secondary Sources by Solvent Extraction. ACS Sustainable Chemistry & Engineering,
  • 71. Payler, S.J. Biddle, J.F., Sherwood_Lollar, B., Fox-Powell, M.G., Edwards, T.,Ngwenya, B.T. Paling, S.M., and Cockell, C.S. (2019). An Ionic Limit to Life in the Deep Subsurface Frontiers in Microbiology. 10, https://doi: 10.3389/fmicb.2019.00426
  • 70. Wragg, J. Broadway, A., Cave, M.R., Fordyce, F.M., Palumbo-Roe, B., Beriro, D.J., Farmer, J.G., Margaret C. Graham, M.C., Ngwenya, B.T. and Bewley, R.J.F. (2018). Linkage between solid-phase apportionment and bioaccessible arsenic, chromium and lead in soil from Glasgow, Scotland, UK. Trans. Royal Soc. Edin; Eatrh & Environ. Sci.,
  • 69. Liang, L., Ngwenya, B.T. (2018). Metal internalisation by bacterial cells depends on metal biotoxicity and metal to biomass ratio. Chemosphere,, 212, 585-593
  • 68. Hunter, J.P., Dolezalova, S., Ngwenya, B.T., Morrison, C.A., Love, J.B., (2018). Understanding the recovery of rare-earth elements by ammonium salts. Metals,,
  • 67. Adele, N.C., Ngwenya, B.T., Heal, K.V. and Mosselmans, J.F.W., (2018). Soil bacteria override speciation effects on zinc phytoxicity in zinc contaminated soils. Environ. Sci. Technol., 2018, 52 (6), 3412–3421
  • 66. Bird, C., Darling, K. F., Russell, A. D., Fehrenbacher, J., Davis, C. V., Free, A., Ngwenya, B.T., (2018). 16S rRNA gene metabarcoding and TEM reveals different ecological strategies within the genus Neogloboquadrina (planktonic foraminifer). PLoS One,,
  • 65. Bird, C., Darling, K. F., Russell, A. D., Davis, C. V., Fehrenbacher, J., Free, A., Wyman, M., Ngwenya, B.T., (2017). Cyanobacterial endobionts within a major marine planktonic calcifier (Globigerina bulloides, Foraminifera) revealed by 16S rRNA metabarcoding. Biogeosciences,, 14, 901-920, doi:10.5194/bg-14-901-2017.
  • 64. Ngwenya, B.T. (2016). Bacterial Mineralisation. Reference Module in Materials Science & Materials Engineering., in press
  • 63. Adediran, G.A., Ngwenya, B.T., Mosselmans, J.F.W., Heal, K.V., Harvie, B. (2016). Mixed planting with a legumionous plant outperfroms bacteria in promoting growth of a metal remediating plant through histidine synthesis. Int. J. Phytoremediation., 18(7), 720-729
  • 62. Adediran, G.A., Ngwenya, B.T., Mosselmans, J.F.W., Heal, K.V. (2016). Bacteria-zinc co-localisation implicates enhanced synthesis of cysteine-rich peptides in zinc detoxification when Brassica juncea is inoculated with Rhizobium leguminosarum. New Phytologist., 209, 280-293
  • 61. Kurlanda-Witek, H., Ngwenya, B.T., Butler, I.B.(2015). The influence of biofilms on the mobility of bare and capped zinc oxide nanoparticles in saturated sand and glass beads. J. Contam. Hydrol., 179, 160-170.
  • 60. Ngwenya, B.T., Curry, P. and Kapetas, L. (2015). Transport and viability of Escherichia coli cells in clean and iron oxide coated sand following coating with silver nanoparticles. J. Contam. Hydrol., 179, 35-46.
  • 59. Joshi, N., Ngwenya, B.T., Butler, I.B. and French, C.E. (2015). Use of bioreporters and deletion mutants reveals ionic silver and ROS to be equally important in silver nanotoxicity. J. Hazard. Mater., 287, 51-58.
  • 58. Adediran, G.A., Ngwenya, B.T., Mosselmans, J.F.W., Heal, K.V., Harvie, B.A. (2015). Mechanisms behind bacteria induced plant growth promotion and Zn accumulation in Brassica juncea . J. Hazard. Mater., 283, 490-499.
  • 57. Ngwenya, B.T., Magenis, M., Podda, F. and Gromov, A. (2014). Self-preservation strategies during bacterial biomineralisation with reference to hydrozincite and implications for fossilisation of bacteria. J. Royal Soc. Interf., 11, 10.1098/rsif.2014.0845.
  • 56. Tourney, J. and Ngwenya, B.T. (2014). The role of bacterial extracellular polymeric substances in geomicrobiology. Chem. Geol., 386, 115-132.
  • 55. Kurlanda-Witek, H., Ngwenya, B.T., Butler, I.B.(2014). Transport of bare and capped zinc oxide nanoparticles is dependent on porous media composition. J. Contam. Hydrol., 162-163, 17-26.
  • 54. Martin, D., Dodds, K., Butler, I.B., Ngwenya, B.T.(2013). Carbonate precipitation under pressure for bioengineering in the anaerobic subsurface via denitrification. Environ. Sci. Technol., 47, 8692–8699.
  • 53. Yusoff, Z. md., Ngwenya, B.T., and Parsons, I. (2013). Mobility and fractionation of REEs during deep weathering of geochemically contrasting granites in a tropical setting, Malaysia.Chem. Geol. 349-350, 71-86.
  • 52. Yang, S., Ngwenya, B.T., Butler, I.B., Kurlanda, H. and Elphick, S.C. (2013). Coupled interactions between metals and bacterial biofilms in porous media: implications for biofilm stability, fluid flow and metal transport. Chem. Geol. 337-338, 20-29.
  • 51. Kapetas, L., Ngwenya, B.T., MacDonald, A.M. and Elphick, S.C. (2012). Thermodynamic and kinetic controls on co-transport of Pantoea agglomerans cells and Zn through clean and iron oxide coated sand columns. Environ. Sci. Technol. 46, 13193-13201.
  • 50. Joshi, N., Ngwenya, B.T. and French, C.E. (2012). Enhanced resistance to nanoparticle toxicity is conferred by overproduction of extracellular polymeric substances. J. Hazard. Mater., 241–242, 363-370.
  • 49. Martin, D., Dodds, K., Ngwenya, B.T., Butler, I.B. and Elphick, S.C., (2012). Inhibition of Sporosarcina pasteurii under Anoxic Conditions: Implications for Subsurface Carbonate Precipitation and Remediation via Ureolysis. Environ. Sci. Technol., 46, 8351–8355.
  • 48. Farmer, J.G., Broadway, A., Cave, M.R., Wragg, J., Fordyce, F.M., Graham, M.C., Ngwenya, B.T., Bewley, R.F. (2011). A Lead isotopic study of the human bioaccessibility of Lead in urban soils from Glasgow, Scotland. Sci. Tot. Environ., 409, 4958-4965.
  • 47. Feng, M-H., Ngwenya, B.T., Wang, L.; Li, W.; Olive, V. and Ellam, R.M. (2011). Bacterial dissolution of fluorapatite as a possible source of elevated dissolved phosphate in the environment. Geochim. Cosmochim. Acta. , 75, 5785-5796.
  • 46. Kapetas, L., Ngwenya, B.T., MacDonald, A.M. and Elphick, S.C. (2011). Kinetics of bacterial potentiometric titrations: The effect of equilibration time on buffering capacity of Pantoea agglomerans suspensions . J. Colloid Interf. Sci 359 (2), 481-486.
  • 45. Broadway, A., Cave, M.R., Joanna Wragg, J., Fordyce, F.M., Bewley, R.J.F., Margaret C. Graham, M.C., Ngwenya, B.T. and Farmer, J.G. (2010). Determination of the bioaccessibility of chromium in Glasgow soil and the implications for human health risk assessment. Sci. Tot. Environ. 409, 267-277.
  • 44. Tourney, J. and Ngwenya, B.T. (2010). The effect of ionic strength on the electrophoretic mobility and protonation constants of an EPS-producing bacterial strain. J. Colloid Interf. Sci. 348 (2), 348-54.
  • 43. Homoncik, S.C., MacDonald, A.M., Heal, K.V. Ó Dochartaigh, B.E and Ngwenya, B.T. (2010). Manganese concentrations in Scottish groundwater. Sci. Tot. Environ. 408 (12), 2467-2473
  • 42. Ngwenya, B.T., Magennis, M., Olive, V., Mosselmans, J.F.W. and Ellam, R.M (2010). Discrete site surface complexation constants for lanthanide adsorption to bacteria as determined by experiments and linear free energy relationships. Environmental Science & Technology, 44, 650-656.
  • 41. Ngwenya, B.T., Tourney, J., Magennis, M. and Kapetas, L. (2009). A surface complexation framework with potential for predicting water purification through biosorption. Desalination, 248, 344-351.
  • 40. Baraka-Lokmane, S. Main, I.G., Ngwenya, B.T., Elphick, S.C. (2009). Correlation between Microstructure and Permeability in Sandstone. In M. Abbie and J.S. Bedford (eds.), Rock Mechanics: New Research, Nova Publishers, 275-297, 324pp.
  • 39. Tourney, J., Ngwenya, B.T., Mosselmans, J.F.W., Magennis, M. (2009). Physical and chemical effects of extracellular polymers (EPS) on Zn adsorption to Bacillus licheniformis S-86J. Colloid Interf. Sci. , 337, 381-389.
  • 38. Ngwenya, B.T., Mosselmans, J.F.W., Magennis, M. and Atkinson, K.D., Tourney, J., Olive, V. and Ellam, R.M. (2009). Macroscopic and Spectroscopic analysis of lanthanide adsorption to bacterial cells. Geochim. Cosmochim. Acta, 73(11), 3134-3147.
  • 37. Tourney, J. and Ngwenya, B.T. (2009). Bacterial exopolymeric substances (EPS) mediate CaCO3 moprhology and polymorphism. Chem. Geol., 262(3-4), 138-146.
  • 36. Baraka-Lokmane,S. Main,I.G., Ngwenya, B.T., Elphick, S.C., Jones, C. and Hamilton, S. (2009). Correlation between microstructure and flow behaviour in porous sandstones. Petrol. Sci. Technol. 27(5), 511-529
  • 35. Baraka-Lokmane,S. Main,I.G., Ngwenya, B.T. and Elphick, S.C. (2009). Application of complementary methods for more robust characterization of sandstone cores. Mar. Petrol. Geol., 26, 39-56.
  • 34. Baraka-Lokmane, S., Main, I.G., Ngwenya, B.T., and Elphick, S.C (2008). Correlation between microstructure and permeability in sandstone rocks. In Montclaire, K.L. (ed.), Petroleum Science Research Progress, Nova Publishers, 251-274, 449pp
  • 33. Tourney, J., Ngwenya, B.T., Mosselmans, J.F.W., Tetley, M.M. and Cowie, G.L. (2008). The effect of extracellular polymers (EPS) on the proton adsorption characteristics of the thermophile Bacillus licheniformis S-86. Chem. Geol., 247 (1-2), 1-15.
  • 32. Baraka-Lokmane,S. Ngwenya, B.T., Main,I.G., (2007). Benefit of complementary methods for characterising sandstone cores. Society of Core Analysists Paper SCA2007-57, 1-6
  • 31. Odling, N.W.A, Elphick, S.C., Meredith, P.G., Main, I.G. and Ngwenya, B.T. (2007). Laboratory measurement of hydrodynamic saline dispersion within a micro-fracture network induced in granite. Earth Planet. Sci. Lett. 260, 407-418.
  • 30. Ngwenya, B.T. (2007) Enhanced adsorption of zinc is associated with aging and lysis of bacterial cells in batch incubations. Chemosphere, 67, 1982-1992; doi:10.1016/j.chemosphere.2006.11.050.
  • 29. Kay, M.A., Main, I.G., Elphick, S.C. and Ngwenya, B.T. (2006). Fault gouge diagenesis at shallow burial depth: Solution-precipitation reactions in well-sorted and poorly sorted powders of crushed sandstone. Earth Planet. Sci. Lett. 243, 607-614.
  • 28. Kwon, O., Ngwenya, B.T., Main, I.G. and Elphick, S.C. (2005). Permeability evolution during deformation of siliciclastic sandstones from Moab, Utah. In R. Sorkhabi and Y. Tsuji (eds.): Faults, Fluid Flow and Petroleum Traps, AAPG Memoir 85 219-236.
  • 27. Woulds, C and Ngwenya, B.T. (2004) Geochemical processes governing the performance of a constructed wetland treating acidic mine drainage, Central Scotland. Appl. Geochem. 19, 1773-1783
  • 26. Ojala, I.O., Main, I.G. and Ngwenya, B.T. (2004). Strain rate and temperature dependence of Omori Law scaling constants of AE data: Implications for earthquake foreshock-aftershock sequences. Gephys. Res. Lett., Artt # L24617, Dec 29.
  • 25. Song, I., Elphick, S.C., Main, I.G., Ngwenya, B.T. Odling N.W. and Smyth, N.F. (2004). One-dimensional fluid diffusion induced by constant-rate flow injection: Theoretical analysis and application to determination of hydraulic conductivity and specific storage of a cored rock sample. J. Geophys. Res. 109, B05207, doi:1029/2003JB002395.
  • 24. Song, I., Elphick, S.C., Odling, N., Main, I.G. and Ngwenya, B.T. (2004). Hydro-Mechanical behaviours of fine-grained materials from the Aigion Fault Zone, Gree: Calcilutite versus fault gouge. Comptes Rendus Geoscience, 336, 445-454.
  • 23. Ojala, I.O., Ngwenya, B.T. and Main, I.G. (2004). Loading rate dependence of permeability evolution in porous aeolian sandstones. J. Geophys. Res. 109 (B01204), doi:1029/2002JB002347.
  • 22. Ngwenya, B.T., Kwon, O., Elphick, S.C. & Main, I.G. (2003). Permeability evolution during progressive development of deformation bands in porous sandstones. J. Geophys. Res. 108 (B7), 2343, doi: 10.1029/2002JB001854.
  • 21. Ngwenya, B.T., Sutherland, I.W. & Kennedy, L. (2003) Comparison of the acid-base chemistry and metal adsorption characteristics of a gram-negative bacterium with other strains. Appl. Geochem., 18, 527-538.
  • 20.Ojala, I.O., Ngwenya, B.T., Main, I.G. and Elphick, S.C. (2003). Correlation of microseismic and chemical properties of brittle deformation in Locharbriggs sandstone. J. Geophys. Res. 108 (B5), 2268, doi:10.1029/2002JB002277.
  • 19. Ngwenya, B.T. (2001). Metal adsorption onto gram-negative bacteria from an oil-contaminated site. In Yong, R.N and Thomas, H.T (eds.). Geoenvironmental Engineering: Geoenvironmental Impact Management, 349-354
  • 18. Ngwenya, B.T. & Sutherland, I.W. (2001): The surface chemistry of a gram-negative bacteria and its role in metal uptake. In: Cidu, R. (ed.), Water-Rock Interaction 10, Balkema, Rotterdam,
  • 17. Ngwenya, B.T., Main, I.G., Elphick, S.C., Crawford, B.R. and Smart, B.G.D. (2001). A constitutive law for low temperature creep of water-saturated sandstones. J. Geophys. Res. 106, 21811-21826.
  • 16. Main, I.G., Mair, K., Kwon, K., Elphick, S.C. and Ngwenya, B.T. (2001) Fault weakening and strengthening mechanisms: local healing and sealing during sequential formation of deformation bands. In Holdsworth, R.E., Strachan, R.A., Magloughlin, J.F. and Knipe, R.J. (eds.), The Nature and Tectonic Significance of Fault Zone Weakening, Geol. Soc. Special Pub., 186, 43-63.
  • 15. Baraka-Lokmane, S., Main, I.G.; Elphick, S.C. & Ngwenya, B.T. (2001). Complementary methods for characterising Slick Rock Aeolian Sandstone. Soc. Core Anal. 42, 1-5.
  • 14. Lunn, R.J., , Vickery, A, Hobbs, B and Ngwenya, B.T. (2000). Identification of contaminant transport pathways beneath industrial sites. ,i>Land Contamination & Reclamation 8, 287-299.
  • 13. Main, I.G., Kwon, O., Ngwenya, B.T. and Elphick, S.C. (2000). Fault sealing during deformation band growth in porous sandstones. Geology 28, 1131-1134.
  • 12. Ngwenya, B.T.; Elphick, S.C.; Main, I.G. and Shimmield, G.B. (2000). Experimental constraints on the diagenetic self-sealing capacity of faults in high porosity sandstones. Earth Planet. Sci. Lett. 183, 187-190
  • 11. Elphick, S.C., Ngwenya, B.T. and Shimmield, G.B. (1996) Ion microprobe imaging as a tool for elucidating waterflood reactions. AAPG Bulletin 80, 713-720.
  • 10. Main, I.G., Ngwenya, B.T., Elphick, S.C., Smart, B.G.D., Crawford, B.R. and Poux (1996). Scale limits to fluid pressure diffusion during rapid self-sealing deformation and fluid flow. In Aubertini, M, F. Hassani, and H. Mitri (eds). Rock Mechanis, vol. 2, Balkema, Rotterdam, 1161-1168.
  • 9. Ngwenya, B.T., Elphick, S.C. and Shimmield, G.B. (1995). Reservoir sensitivity to waterflooding: an experimental study of seawater injection in North Sea reservoir analogs. AAPG Bulletin, 79, 285-304.
  • 8. Ngwenya, B.T. (1994). Hydrothermal rare earth mineralisation in carbonatites of the Tundulu complex, Malawi: processes at the fluid/rock interface. Geochim. Cosmochim. Acta, 58, 2061-2072.
  • 7. Ngwenya, B.T., Shimmield, G.B. and Elphick, S.C. (1994). An experimental study of fluid-rock interaction: application to producing groundwater aquifers. Min. Mag. 58A, 649-650
  • 6. Crawford, B.R., Smart, B.G.D. and Ngwenya, B.T. (1994). Relationship between frictional strength and fault gouge generation from direct shear testing under constant normal displacement. Proc. of EUROCK 94 – Rock Mechanics in Petroleum Engineering. Rotterdam: Balkema, 121-129.
  • 5. Main, I.G., Smart, B.G.D., Elphick, S.C., Shimmield, G.B Crawford, B.R and Ngwenya, B.T. (1994), The effects of combined changes in pore fluid chemistry and stress state on permeability in reservoir rocks: preliminary results from analogue materials. In J.O. Aasen, E. Berg, A.T. Buller, O. Hjelmeland, R.M. Holt, J. Kleppe and O. Torsaetor (eds.). North Sea Oil and Gas Reservoirs – III Doldrecht: Kluwer Academic Publishers, p. 357-370.
  • 4. Ngwenya, B.T., Shimmield, G.B. and Elphick, S.C. (1993). A novel approach to testing core samples at reservoir conditions. Paper Number 9325, Proceedings of the 1993 Technical Conference of the Society of Core Analysts, Houston, Texas.
  • 3. Elphick, S.C., Shimmield, G.B., Ngwenya, B.T., Main, I.G., Smart, B.G.D. and Crawford B.R. (1992) The effects of combined changes in pore fluid chemistry and stress state on reservoir permeability: design of re-circulating flow rig. In Y.K Kharaka and A.S. Maest, eds., Water-Rock Interaction vol. 2, Proceedings of the 7th International Symposium on Water-Rock Interaction. Brookfield: Balkema p. 1113-1116.
  • 2. Smart, B.G.D., Main, I, Shimmield, G.B., Elphick, S.C., Crawford, B.C., Ngwenya, B.T. (1992). The effects of combined changes in pore fluid chemistry and stress state on reservoir permeability. Petroleum Science and Technology Institute Technical Bulletin, 1, 14-17.
  • 1. Ngwenya, B.T. and Bailey, D.K. (1990). Kaluwe carbonatite, Zambia: An alternative to natrocarbonatite. J. Geol. Soc., 147, 213-216.

Report this page

To report inappropriate content on this page, please use the form below. Upon receiving your report, we will be in touch as per the Take Down Policy of the service.

Please note that personal data collected through this form is used and stored for the purposes of processing this report and communication with you.

If you are unable to report a concern about content via this form please contact the Service Owner.

Please enter an email address you wish to be contacted on. Please describe the unacceptable content in sufficient detail to allow us to locate it, and why you consider it to be unacceptable.
By submitting this report, you accept that it is accurate and that fraudulent or nuisance complaints may result in action by the University.