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Luminol, leuchomalachite green, phenolphthalein, Hemastix, Hemident, and Bluestar are all used as presumptive tests for blood. In this study, the tests were subjected to dilute blood (from 1:10,000 to 1:10,000,000), many common household substance, and chemicals. Samples were tested for DNA to determine whether the presumptive tests damaged or destroyed DNA. The DNA loci tested were D2S1338 and D19S433. Leuchomalachite green had a sensitivity of 1:10,000, while the remaining tests were able to detect blood to a dilution of 1:100,000. Substances tested include saliva, semen, potato, tomato, tomato sauce, tomato sauce with meat, red onion, red kidney bean, horseradish, 0.1 M ascorbic acid, 5% bleach, 10% cupric sulfate, 10% ferric sulfate, and 10% nickel chloride. Of all the substances tested, not one of the household items reacted with every test; however, the chemicals did. DNA was recovered and amplified from luminol, phenolphthalein, Hemastix, and Bluestar, but not from leuchomalachite green or Hemident. 相似文献
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There are many connections between the various strands of critical criminology. Previously, we highlighted common issues between green and cultural criminology, while also noting some of the ways that each perspective could potentially benefit from cross-fertilization (Brisman and South in Crime Media Cult 9(2):115–135, 2013, Green cultural criminology: constructions of environmental harm, consumerism and resistance to ecocide. Routledge, Oxford, 2014; McClanahan in Crit Criminol. doi:10.1007/s10612-014-9241-8, 2014). In this article, we extend our analysis to consider green, cultural and rural criminologies through the exposition of several key issues, including “the rural” as local context in which exploitative global forces may exercise power; agribusiness and the food/profit chain; farming and the pollution of land, water and air; and finally, cultural/media images and narratives of rural life. We focus more specifically on this final intersectionality through an analysis of Jonathan Franzen’s novel Freedom (2010), analyzing his depictions of rural people, environmental activists, and the rural environment through the issue of mountaintop removal. We conclude our article by identifying several examples of key directions in which the intersectionality of green, cultural and rural criminologies might proceed, including trafficking and abuse of farmworkers, harms associated with the cultivation of quinoa, and a critical interpretation of media and popular narrative depictions of environmental issues within rural contexts. 相似文献
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