James Nyirenda

Phytochemical Composition, Toxicity, and effects of Sphenostylis marginata Aqueous Root Extract on Oxygen Consumption Rate in Oreochromis niloticus Fingerlings

Brian Mukuka, James Nyirenda, Rehana Omar & Gibson Sijumbila · International Journal of Biochemistry Research & Review · 2025

Introduction: Sphenostylis marginata is a plant in the family Fabaceae and native to many parts of Africa. It is used as a wild vegetable, in folk medicine, as a fetish plant, food additive, and for harvesting fish. Small-scale fishermen in selected parts of Zambia use the crushe...

Open access Research Article 10.9734/ijbcrr/2025/v34i2975

Assessing the Bioaccumulative Impact of Four Heavy Metals on the Endocrine System of Tilapia rendalli Fish Species in the Kafue River

Brightone Kaile & James Nyirenda · Annual Research & Review in Biology · 2016

Some heavy metals (HMs) are of biological importance in animal life while others are important trace elements for plant growth and in higher animals. Despite various uses, their biotoxic effects arise once accumulation levels in animal bodies go beyond maximum permissible limits....

Open access Research Article 10.9734/ARRB/2016/23132