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dithiocarbonate (DMDTC) to prepare symmetrical hydroxyureas. DMDTC is advantageous to phosgene because it is less toxic, gives off non-toxic byproducts, and the product can be very easily isolated. This procedure was tested for primary and secondary amines, and showed that it was only possible for primary amines to react with DMDTC. Secondary amines did not react with DMDTC under a variety of varied conditions, and showed that steric hindrance would not allow a reaction to occur under mild conditions
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so toxic, we cage them for the very thing we love about them: their intelligence,” Bergman says. “I’m especially interested now in the connections between the ‘legal trade’ and the illegal trade, which these 17 (released) parrots illustrate—they were laundered birds.” Bergman and Granum initially met on a J-term trip to Antarctica. Bergman quickly became Granum’s mentor and friend, as they both shared a love of the outdoors, photography and animals. Since then, Granum has changed his major to
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ecology of bivalves. These projects involve undergraduate student researchers at PLU and collaborators from the University of Washington and Harbor WildWatch. Jacob Egge As an evolutionary biologist and systematist, my primary research interests involve using the tools of phylogenetic systematics to help answer questions about speciation, phylogeography, relationships among species, and morphological evolution. I am an ichthyologist by training and I work primarily with North American freshwater
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the successful campaign to eradicate smallpox in the 1970s. He was appointed director of the Centers for Disease Control and Prevention in 1977 and, with colleagues, founded the Task Force for Child Survival in 1984. While at the CDC, he forced drug companies to warn that aspirin may cause the sometimes deadly Reye Syndrome, reacted quickly to alert women to the dangers of toxic shock syndrome and saw the first cases of a frightening new disease in the early 1980s: AIDS. Over his career, he has
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, our interview schedule was full once again. Starting off, we met with the USACE in New Orleans to discuss how low water levels had been impacting the city’s fresh water supply. Incidentally, as their colleagues upstream dealt with low water problems, downstream the shrinking fresh water was causing stress as well. With receding freshwater, saltwater from the Gulf was creeping up the river channel, getting dangerously close to the pipes that draw drinking water for the city and surrounding areas
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supervisors in arranging the employee training and information program.11.0 Emergency ProceduresIn case of a chemical spill or accidental exposure to hazardous chemicals, immediately call Campus Safety at x79ll. Refer to the appropriate SDS for emergency instructions and relay this information to Campus Safety.12.0 Disposing of Hazardous MaterialsA hazardous material is any substance in any quantity or form that could jeopardize health, safety, or property. Such materials include toxic chemicals
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! The Hispanic and Latinx diaspora is full of a rich and hidden history that is spoken and brought to life through music. Relationships of all kinds are danced to in the various nationalities and cultures. Whether its the historical relationships of migration and displacement, the familial bonds found within parents and their children, and even the ups and downs of healthy and toxic romantic relationships: there is something for everyone. 10am – 2pm Clothing Swap, AUC 1st Floor Grey Area 2:00pm- 3
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represent health hazards of a chemical. The corrosion pictogram is used to denote the health hazards of skin corrosion and serious eye damage. The skull and crossbones are used when a chemical is acutely toxic to the skin, lungs or digestive system. The health hazard pictogram, sometimes called the chronic health hazard pictogram, denotes respiratory sensitization, cell mutagenicity, carcinogenicity, reproductive toxicity or an aspiration hazard. It is also used when a substance can cause specific
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first change of plans was the wood stain. Instead of an oil-based stain, we decided to go with a water-based option. Water-based stains are better for the environment, don’t produce toxic fumes, and dry faster than oil-based stains. Three coats of stain were done, as well as three coats of topcoat, leaving a polished finish to the wood. In August we had a final construction consultation. This project switched hands and some details were lost in the process. During the consultation, we discovered
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. Cisplatin, a highly effective chemotherapy drug, exhibits toxic drawbacks that affect normal tissue environments. Studies have been conducted to find alternatives to the platinum (II) complex. However, the emergent anticancer drugs, oxaliplatin and carboplatin, are still deemed toxic based on their low median lethal dose or LD50. Modification to the six-coordinate PtIV complex has shown significant progress in minimizing the cytotoxicity and the resistance observed in cisplatin. Varying the ligand at
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