Crawford, Sarah

CREATE HERA Student

Sarah Crawford

Toxicology Centre
University of Saskatchewan
Saskatoon, Saskatchewan, Canada
S7N 5B3

Email: sarah.crawford@usask.ca

Website: http://www.linkedin.com/pub/sarah-crawford/74/106/3ab


Current and Recent Research Projects

My research focuses on quantifying and modeling sediment physicochemical factors that influence the bioavailability, and hence toxicity, of sediment-associated uranium to a model freshwater benthic invertebrate (Chironomus dilutus). Results from this work will help improve risk assessments, environmental regulations and management of uranium concentrations downstream of uranium operations in northern Saskatchewan.


Publications

Conference presentations:

Sarah E. Crawford and Karsten Liber. Gaps in sediment quality guidelines: Incorporation of sediment physicochemical characteristics in assessing uranium bioavailability. Platform presented at the 24th annual Society of Environmental Toxicology and Chemistry (SETAC) in Basel, Switzerland: May 11-15, 2014.

Sarah E. Crawford and Karsten Liber. Influence of sediment modifying factors on uranium bioaccumulation to the freshwater midge. Poster presented at the 24th annual Society of Environmental Toxicology and Chemistry (SETAC) in Basel, Switzerland: May 11-15, 2014.

Sarah E. Crawford and Karsten Liber. Formulated lab vs. field sediment: Bioavailability of spiked uranium to Chironomus dilutus. Poster presented at the 21st Annual Life and Health Science Research Day at the University of Saskatchewan, Saskatoon, SK, CAN: March 14, 2014.

Sarah E. Crawford and Karsten Liber. Bioavailability of uranium to Chironomus dilutus exposed to a range of physicochemical properties of uranium-spiked formulated and field sediment. Poster presented at the 34th Annual meeting of the Society of Environmental Toxicology and Chemistry (SETAC) in Nashville, Tennessee, USA: November 17-21, 2013.

Sarah E. Crawford and Karsten Liber. Quantifying the importance of physicochemical sediment characteristics in altering uranium bioavailability in reconstituted vs. natural freshwater sediments. Platform presented at the 40th Annual Aquatic Toxicity Workshop (ATW) in Moncton, NB, CAN: October 6-9, 2013.

Sarah E. Crawford and Karsten Liber. The role of organic matter in altering the bioavailability of sediment-associated uranium to the freshwater midge (Chironomus dilutus). Poster presented at the 4th Annual Society of Environmental Toxicology and Chemistry (SETAC) Prairie North Chapter Meeting in Lethbridge, AB, CAN: June 7, 2013.

Sarah E. Crawford, Lorne E. Doig, and Karsten Liber. Effect of sediment physicochemical properties on the bioavailability of sediment-associated uranium to a model benthic organism, Chironomus dilutus. Platform presented at the 33rd Annual meeting of the Society of Environmental Toxicology and Chemistry (SETAC) in Long Beach, California, USA: November 11-15, 2012.

Sarah E. Crawford, Lorne E. Doig, and Karsten Liber. The role of sediment characteristics in the bioavailability of sediment-associated uranium to the freshwater midge, Chironomus dilutus. Platform presented at the 39th Annual Aquatic Toxicity Workshop (ATW) in Sun Peaks, BC, CAN: Oct 1-3, 2012.