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Environmental Sciences

All Master's Theses

Theses/Dissertations

2017

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Full-Text Articles in Life Sciences

Do Elevated Levels Of Glutathione Decrease The Toxicity Of Plasticizers In Mouse Liver Cells?, Khatoon Albahrani Jan 2017

Do Elevated Levels Of Glutathione Decrease The Toxicity Of Plasticizers In Mouse Liver Cells?, Khatoon Albahrani

All Master's Theses

Phthalates are esters of phthalic acid that play a crucial role in the manufacturing industries for enhancing the properties of plastic materials. Di-(2-ethylhexyl) phthalate (DEHP) is one of the most common phthalates used in a variety of products including food packaging and medical equipment. Their use has caused public health concerns because of their toxic effects on reproductive and developmental processes. This study aims to investigate the response of two mouse hepatoma cell lines to the effects of DEHP and its bioactive metabolite mono (2-ethylhexyl) phthalate (MEHP). Cells were exposed to four concentrations (10, 50, 100, and 300 µM) of …


Modeling Sex-Specific Seasonal Habitat Selection For Elk (Cervus Elaphus) In Central Washington, Lewis Meyers Jan 2017

Modeling Sex-Specific Seasonal Habitat Selection For Elk (Cervus Elaphus) In Central Washington, Lewis Meyers

All Master's Theses

Elk (Cervus elaphus) are generalist herbivores, exploiting a variety of environments. I studied habitat selection and sexual segregation of the Colockum elk herd in central Washington. I used a resource selection probability function (RSPF) to evaluate habitat use by males and females during summer and winter seasons. I assisted Washington State Department of Fish and Wildlife (WDFW) in capturing and placing GPS collars on males, and used an existing GPS dataset from females to investigate the extent to which sexual segregation was occurring in the Colockum herd. During summer, males selected steep slopes on north, west and south …