University of Malawi

Staff

Search other staff

Profile

Dr. Timothy Tiwonge Biswick

ASSOCIATE PROFESSOR
Chemistry and Chemical Engineering

Publications

  • Journal Article
    Chipembere, F., Biswick, T., & Ephraim Vunain. (2023). Adsorptive removal of cypermethrin from aqueous solution on activated carbon derived from tobacco stem wastes: equilibrium and kinetic studies. Journal of the Iranian Chemical Society. https://doi.org/10.1007/s13738-023-02916-5 (2023)
    https://link.springer.com/article/10.1007/s13738-023-02916-5
  • Journal Article
    Njewa, J., Majamanda, J., Biswick, T., Jimmy Jay Suman, Mwase, E., Gladys Chimwemwe Banda, & Lagat, S. C. (2023). A Systematic Review on Detection of Chlorpyrifos Herbicide Residues in Water Resources, Soil, and Vegetable Matrices: Possible Amendments. Asian Journal of Chemical Sciences, 13(6), 58–70. https://doi.org/10.9734/ajocs/2023/v13i6263 (2023)
    10.9734/ajocs/2023/v13i6263
  • Journal Article
    Njewa, J. B., Vunain, E., & Biswick, T. (2022). Synthesis and Characterization of Activated Carbons Prepared from Agro-Wastes by Chemical Activation. Journal of Chemistry, 2022, 1–13. https://doi.org/10.1155/2022/9975444 (2022)
    https://www.hindawi.com/journals/jchem/2022/9975444/
  • Journal Article
    Njewa, J. B., Biswick, T. T., Vunain, E., Lagat, C. S., & Lugasi, S. O. (2022). Synthesis and Characterization of Activated Carbon from Agrowastes for the Removal of Acetic Acid from an Aqueous Solution. Adsorption Science & Technology, 2022, 1–13. https://doi.org/10.1155/2022/7701128 (2022)
    https://www.hindawi.com/journals/ast/2022/7701128/
  • Journal Article
    Njewa, J., Majamanda, J., Biswick, T. T., & Mpeketula, P. M. G. (2022). Opportunities and challenges associated with municipal solid waste disposal: A case study of Malawian cities. EQA - International Journal of Environmental Quality, 51, 1–12. https://doi.org/10.6092/issn.2281-4485/15566 (2022)
    https://eqa.unibo.it/article/view/15566
  • Book
    From Traditional to Modern African Water Management. (2022). In Springer eBooks. https://doi.org/10.1007/978-3-031-09663-1 (2022)
    https://link.springer.com/book/10.1007/978-3-031-09663-1
  • Book Chapters
    Chimbaza, S., Vunain, E., Biswick, T. (2022). Traditional and Modern Methods of Water Conservation in Malawi. In: Kowenje, C., et al. From Traditional to Modern African Water Management (2022)
    https://doi.org/10.1007/978-3-031-09663-1_5
  • Journal Article
    Njewa, J., Vunain, E., & Biswick, T. (2021). Wastewater Clarification and Microbial Load Reduction Using Agro-Forestry and Agricultural Wastes. Tanzania Journal of Science, 47(1), 19–33. (2021)
    https://www.ajol.info/index.php/tjs/article/view/203371
  • Journal Article
    Vunain, E., Njewa, J. B., Biswick, T. T., & Ipadeola, A. K. (2021). Adsorption of chromium ions from tannery effluents onto activated carbon prepared from rice husk and potato peel by H3PO4 activation. Applied Water Science, 11(9). https://doi.org/10.1007/s13201-021-01477-31 (2021)
    https://link.springer.com/article/10.1007/s13201-021-01477-3
  • Journal Article
    Mussa, C., Biswick, T., Changadeya, W., Mapoma, H. W., & Junginger, A. (2020). Occurrence and ecological risk assessment of heavy metals in agricultural soils of Lake Chilwa catchment in Malawi, Southern Africa. SN Applied Sciences, 2(11). https://doi.org/10.1007/s42452-020-03718-7 (2020)
    https://doi.org/10.1007/s42452-020-03718-7
  • Journal Article
    Vunain, E., & Biswick, T. (2018). Adsorptive removal of methylene blue from aqueous solution on activated carbon prepared from Malawian baobab fruit shell wastes: Equilibrium, kinetics and thermodynamic studies. Separation Science and Technology, 54(1), 27–41. https://doi.org/10.1080/01496395.2018.1504794 (2019)
    https://doi.org/10.1080/01496395.2018.1504794
  • Journal Article
    Mussa, C., Biswick, T., Changadeya, W., Junginger, A., & Vunain, E. (2019). Levels and spatial distribution of heavy metals in Lake Chilwa Catchment, Southern Malawi. ChemSearch Journal, 10(2), 66–73. https://www.ajol.info/index.php/csj/article/view/192132 (2019)
    https://www.ajol.info/index.php/csj/article/view/192132
  • Journal Article
    Vunain, E., Kenneth, D., & Biswick, T. (2017). Synthesis and characterization of low-cost activated carbon prepared from Malawian baobab fruit shells by H3PO4 activation for removal of Cu(II) ions: equilibrium and kinetics studies. Applied Water Science, 7(8), 4301–4319. https://doi.org/10.1007/s13201-017-0573-x (2017)
    https://link.springer.com/article/10.1007/s13201-017-0573-x
  • Journal Article
    A. Mtewa, T. Biswick and J. Mwatseteza. Antioxidant Potential and Total Phenolic Changes in Malawian Herbal Formulations Stored In Clay Pots and Plastic Bottles. The Journal of Free Radicals and Antioxidants: 144, 479-494 (2017) (2017)
  • Journal Article
    Manda, I. K. M., Chidya, R. C. G., Saka, J. D. K., & Biswick, T. T. (2016). Comparative assessment of water treatment using polymeric and inorganic coagulants. Physics and Chemistry of the Earth, Parts A/B/C, 93, 119–129. https://doi.org/10.1016/j.pce.2015.09.008 (2016)
    https://doi.org/10.1016/j.pce.2015.09.008
  • Journal Article
    Matumba, L., Sulyok, M., Monjerezi, M., Biswick, T., & Krska, R. (2015). Fungal metabolites diversity in maize and associated human dietary exposures relate to micro-climatic patterns in Malawi. World Mycotoxin Journal, 8(3), 269–282. https://doi.org/10.3920/wmj2014.1773 (2015)
    https://doi.org/10.3920/WMJ2014.1773
  • Journal Article
    Matumba, L., Monjerezi, M., Biswick, T., Mwatseteza, J., Makumba, W., Kamangira, D., & Mtukuso, A. (2014). A survey of the incidence and level of aflatoxin contamination in a range of locally and imported processed foods on Malawian retail market. Food Control, 39, 87–91. https://doi.org/10.1016/j.foodcont.2013.09.068 (2014)
    https://doi.org/10.1016/j.foodcont.2013.09.068
  • Journal Article
    Matumba, L., Van Poucke, C., Biswick, T., Monjerezi, M., Mwatseteza, J., & De Saeger, S. (2014). A limited survey of mycotoxins in traditional maize based opaque beers in Malawi. Food Control, 36(1), 253–256. https://doi.org/10.1016/j.foodcont.2013.08.032 (2014)
    https://doi.org/10.1016/j.foodcont.2013.08.032
  • Journal Article
    Matumba, L., Monjerezi, M., Van Poucke, C., Biswick, T., Mwatseteza, J., & De Saeger, S. (2013). Evaluation of the bright greenish yellow fluorescence test as a screening technique for aflatoxin-contaminated maize in Malawi. World Mycotoxin Journal, 6(4), 367–373. https://doi.org/10.3920/wmj2013.1563 (2013)
    https://doi.org/10.3920/WMJ2013.1563
  • Book Chapters
    Timothy Biswick, Dae-Hwan Park, Jin-Ho Choy 'Comparative Study of the release Profiles and Antioxidant Activities of Zinc Basic Salt- Phenolic Acid Nanohybrids' In: Nanotechnology in the Edge of Convergence (2013) (2013)
  • Journal Article
    Biswick, T., Park, D.-H., & Choy, J.-H. (2012). Enhancing the UV A1 screening ability of caffeic acid by encapsulation in layered basic zinc hydroxide matrix. Journal of Physics and Chemistry of Solids, 73(12), 1510–1513. https://doi.org/10.1016/j.jpcs.2011.11.039 (2012)
    https://doi.org/10.1016/j.jpcs.2011.11.039
  • Journal Article
    Biswick, T., Park, D.-H., Shul, Y.-G., Hwang, S.-J., & Choy, J.-H. (2011). UV Screening of Ferulic Acid–Zinc Basic Salt Nanohybrid with Controlled Release Rate. Journal of Nanoscience and Nanotechnology, 11(1), 413–416. https://doi.org/10.1166/jnn.2011.3274 (2011)
    https://doi.org/10.1166/jnn.2011.3274
  • Journal Article
    Biswick, T., Park, D.-H., Shul, Y.-G., & Choy, J.-H. (2010). P-coumaric acid–zinc basic salt nanohybrid for controlled release and sustained antioxidant activity. Journal of Physics and Chemistry of Solids, 71(4), 647–649. https://doi.org/10.1016/j.jpcs.2009.12.058 (2010)
    https://doi.org/10.1016/j.jpcs.2009.12.058
  • Patent
    Patent Number(s): KR2010127000-A; KR1122743-B1 Title: Nanohybrid for anti-ultraviolet composition used for e.g. cream and lotion, contains phenolic acid ultraviolet-screening agent inserted into interlayer of layered metal hydroxide (2010)
  • Journal Article
    Biswick, T., Jones, W., Pacuła, A., Serwicka, E., & Podobinski, J. (2009). Evidence for the formation of anhydrous zinc acetate and acetic anhydride during the thermal degradation of zinc hydroxy acetate, Zn5(OH)8(CH3CO2)2·4H2O to ZnO. Solid State Sciences, 11(2), 330–335. https://doi.org/10.1016/j.solidstatesciences.2008.06.018 (2009)
    https://doi.org/10.1016/j.solidstatesciences.2008.06.018
  • Journal Article
    Oh, J.-M., Biswick, T. T., & Choy, J.-H. (2009). Layered nanomaterials for green materials. Journal of Materials Chemistry, 19(17), 2553. https://doi.org/10.1039/b819094a (2009)
    DOI https://doi.org/10.1039/B819094A
  • Journal Article
    Biswick, T., Jones, W., Pacuła, A., Serwicka, E., & Podobinski, J. (2007). The role of anhydrous zinc nitrate in the thermal decomposition of the zinc hydroxy nitrates Zn5(OH)8(NO3)2·2H2O and ZnOHNO3·H2O. Journal of Solid State Chemistry, 180(4), 1171–1179. https://doi.org/10.1016/j.jssc.2007.01.012 (2007)
    https://doi.org/10.1016/j.jssc.2007.01.012
  • Journal Article
    Mitchell, S., Biswick, T., Jones, W., Williams, G., & O’Hare, D. (2007). A synchrotron radiation study of the hydrothermal synthesis of layered double hydroxides from MgO and Al2O3 slurries. Green Chemistry, 9(4), 373. https://doi.org/10.1039/b613795d (2007)
    https://doi.org/10.1039/B613795D
  • Book
    T. Biswick, 'Studies on the structure and properties of hydroxy double salts' PhD Thesis, University of Cambridge (2006) (2006)
  • Journal Article
    Biswick, T., Jones, W., Pacuła, A., & Serwicka, E. (2006). Synthesis, characterisation and anion exchange properties of copper, magnesium, zinc and nickel hydroxy nitrates. Journal of Solid State Chemistry, 179(1), 49–55. https://doi.org/10.1016/j.jssc.2005.09.040 (2005)
    https://doi.org/10.1016/j.jssc.2005.09.040