Office: SW162

Extension: 2226

Email: joanna.change@nust.ac.zw

Qualifications:

MPhil Applied Biology and Biochemistry (NUST), BSc(hons) Applied Biology and Biochemistry (NUST)

Courses Taught 

Cell Biology, Animal Physiology, Environmental Science & Quality Assurance

Research

Evaluation of emerging pollutants in aquatic and terrestrial ecosystems using bioindicator species and molecular/physiological biomarkers, with emphasis on their implications for human, animal, and environmental health.

Detection and quantification of pollutants such as heavy metals, pharmaceutical residues, and other contaminants across environmental matrices, linking exposure pathways to risks for food safety, public health, and ecosystem integrity.

Research Groups/Consortia

Ecotoxicology Research Group

Memberships

A member of Society of Environmental Toxicology and Chemistry

Change, J.B., Siwela, A.H. and Basopo, N. 2020. Biochemical effects of effluent pollutants from coal mining activities on the freshwater snails, Helisoma duryi.  Journal of Environmental Chemistry and toxicology 4(2):1 – 4.

Change, J.B., Siwela, A.H, Basopo, N. 2023. Oxidative Stress Associated with Pollutants from Coal Mining Activities on Aquatic Plants: A Case Study of Hwange, Matabeleland North, Zimbabwe. Biomarkers Journal. 9:172.

PRESENTATIONS

SETAC Africa 11th Biennial Conference, Ghana 2023:
A comparison of oxidative stress associated with lead and electronic waste pollution in aquatic organisms

SASAQS and SETAC Joint Southern African Regional Conference Gold Reef City Johannesburg, South Africa 2024:
An assessment of the relationship between Total mercury levels in the environment and lipid peroxidation in freshwater snail Helisoma duryi.

Joint Setac 12th biennial conference & Setac 9th world congress, Johannesburg, South Africa 2025:
An assessment of two selected veterinary antibiotics commonly found in veterinary waste and their toxicity on the freshwater snail Helisoma duryi.

7th NUST Annual Research day, Bulawayo, Zimbabwe 2019:
Oxidative stress associated with pollutants from coal mining activities on aquatic plants: A case study of a coal mining region in Matabeleland North, Zimbabwe.

SETAC Africa 11th Biennial Conference, Ghana:
A comparison of oxidative stress associated with lead and electronic waste pollution in aquatic organisms
SETAC Africa 9th Biennial Conference/ Fifth world congress on risk 2019 Cape town:
An assessment of effects of pollutants from coal mining activities on freshwater bodies: A case study of a coal mining region in Matabeleland North, Zimbabwe.

10th Young Environmental Scientists Meeting, Virtual Meeting 2021:
A comparison of the activity of Superoxide dismutase and Catalase in freshwater snails and aquatic plants exposed to effluent from coal mining activities.

Setac Africa 10th Biennial Virtual Conference 2021:
A study of Bioconcentration of metals by aquatic plants in a coal mining area in Zimbabwe.

11th Young Environmental Scientists Meeting, Virtual Meeting 2022:
The effect of coal mining effluent on esterase enzymes of freshwater snail Helisoma duryi: A case study on a coal mining area in Zimbabwe.

Setac Africa 11th Biennial Conference 2023:
Oxidative Stress Induced Effects by Pharmaceutical and Personal Care Chemicals in the Aquatic Snail Lymanaea natalensis

Community Service/Engagement

Career guidance of Secondary School students.