University of Saskatchewan

Niyogi, Som


Associate Professor
Department of Biology
University of Saskatchewan, 112 Science Place
Saskatoon, Saskatchewan, Canada
S7N 5E2
Telephone: (306) 966-4453
Facsimile: (306) 931-4461
Email:som.niyogi@usask.ca



Academic Degrees

M.Sc. (Calcutta), Ph.D. (Calcutta)


Current Teaching

BIOL 224.3 - Animal Body Systems

TOX 301.3 - Environmental Toxicology

BIOL 898.3 - Special Topics (Physiology and Toxicology of Aquatic Animals)


Current and Recent Research Projects

Physiological and molecular mechanisms of uptake, homeostasis and toxicity of trace metals in freshwater fish

Application of the Biotic Ligand Model (BLM) approach in assessing bioavailability and toxicity of metals/metal-mixtures to freshwater fish

Population level effects of industrial metal pollution in freshwater fish: Influence of toxicity modifying factors

 


Publications

 R.W. Kwong, J.A. Andrés, S. Niyogi, 2011. Effects of dietary cadmium exposure on tissue-specific cadmium accumulation, iron status and expression of iron-handling and stress-inducible genes in rainbow trout: Influence of elevated dietary iron. Aquatic Toxicology 102, 1-9.

R.W. Kwong, J.A. Andrés, S. Niyogi, 2010. Molecular evidence and physiological characterization of iron absorption in isolated enterocytes of rainbow trout (Oncorhynchus mykiss): Implications for dietary cadmium and lead absorption. Aquatic Toxicology 99, 343-350.

S. Misra, D. Peak and S. Niyogi. 2010. Application of XANES spectroscopy in understanding the metabolism of selenium in isolated rainbow trout hepatocytes: insights into selenium toxicity. Metallomics 2, 710-717.

S. Misra and S. Niyogi, 2009. Selenite causes cytotoxicity in rainbow trout (Oncorhynchus mykiss) hepatocytes by inducing oxidative stress. Toxicology In Vitro 23, 1249-1258.

R.W. Kwong and S. Niyogi. 2009. The interactions of iron with other divalent metals in the intestinal tract of a freshwater teleost, rainbow trout (Oncorhynchus mykiss). Comparative Biochemistry and Physiology Part C 150, 442-449.

S. Niyogi, R. Kent and C.M. Wood, 2008. Effects of water chemistry variables on gill binding and acute toxicity of cadmium in rainbow trout (Oncorhynchus mykiss): A biotic ligand model (BLM) approach. Comparative Biochemistry and Physiology Part C 148, 305-314.