Ecosystems and Human Health - Chapter 8 pdf

Ecosystems and Human Health - Chapter 8 pdf

Ecosystems and Human Health - Chapter 8 pdf

... percep- tions and beliefs regarding herbal therapies, Pharmacotherapy, 20, 83 87 , 2000. Baily-Klepser, T. and Klepser, M.E., Unsafe and potentially safe herbal therapies, Am. J. Health- Syst. ... 255, 184 9– 188 6, 1 986 . Ruschitzka, F. et al., Acute heart transplant rejection due to St. John’s Wort, Lancet, 355, 5 48 549, 2000. Schacham, P., Philp, R.B., and Gowdey, C.W., Antihem...

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Ecosystems and Human Health - Chapter 1 pptx

Ecosystems and Human Health - Chapter 1 pptx

... such as -NH 2 , -OH, -SH, or -COOH. The oxidation reactions include N- and O-dealkylations, side-chain and aromatic hydroxylations, N-oxidation and hydroxylation, sulfoxide formation, and desulfuration. ... This enzyme is responsible for S-methylation of the antineoplas- tic drugs azathioprine and 6-mercaptopurine. About 88 .6% of humans have high, 11.1% intermediate, and 0.3...

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Ecosystems and Human Health - Chapter 2 pps

Ecosystems and Human Health - Chapter 2 pps

... detecting one breast cancer through annual mammography in 4 0- to 50-year-old women has been esti- mated at $144,000. In the 5 5- to 65-year-old group, it drops to $90,000. Legislators are required ... source and is primarily a measure of the state of the environment. So-called “end- of-pipe” or point of emission monitoring refers to the measure of effluent levels from drains and sta...

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Ecosystems and Human Health - Chapter 3 pptx

Ecosystems and Human Health - Chapter 3 pptx

... additives in Chapter 8) . Both the EPA and the Envi- ronmental Health Directorate of Health and Welfare Canada have set maximum acceptable limits for toxicants in drinking water. For ex- ample, the ... extreme and there may be short- or long-term effects on human health. Usual disposal methods for these substances include surface impoundments used in industry (45–55%), landfill...

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Ecosystems and Human Health - Chapter 4 potx

Ecosystems and Human Health - Chapter 4 potx

... 8% . Other indoor pollutants include formaldehyde gas (see Chapter 2), other toxic chemicals, particulates such as asbestos fibers and fiberglass wool, and radon-source ionizing radiation (see Chapter ... reach 30 mps. Micro- scopic particles are retained for 1 or 2 months in the upper and mid-tropo- sphere and about 1 week in the lower troposphere (<1 mi). Airborne dioxins and...

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Ecosystems and Human Health - Chapter 5 doc

Ecosystems and Human Health - Chapter 5 doc

... receptor and a basic helix-loop-helix- protein, Science , 252, 924–925, 1991. Landers, J.P. and Bunce, N.J., The Ah receptor and the mechanism of dioxin toxicity, Biochem. J. , 276, 273–2 78, ... and dioxins such as 2,3,7 , 8- tetrachlorodibenzo- p - dioxin (TCDD = dioxin). Agent Orange, used as a defoliant in Vietnam, was equal parts of 2,4,-D and 2,4,5,-T and con...

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Ecosystems and Human Health - Chapter 6 pps

Ecosystems and Human Health - Chapter 6 pps

... chromium (7. 18) , zinc (7.13), selenium (4. 78) , and aluminum (2.70). Intermediate are copper (8. 96) and cadmium (8. 65). In general, it can be seen that metals with specific gravities less than 8 are mostly ... metallothioneins (MTs) based on their amino acid sequences. MT-I and MT-II are the most widely distributed, while MT-III and MT-IV are restricted to neuronal and squamou...

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Ecosystems and Human Health - Chapter 7 pps

Ecosystems and Human Health - Chapter 7 pps

... New York between 1 982 and 1 984 . Collection and analysis of air samples by NIOSH identified significant levels of the glycol ethers 2-ethoxyethanol, 2-ethoxyethyl acetate, and 2-butoxyethanol. The ... Occup. Health and Safety Can ., 5, 28 33, 1 989 . Klassen, C.D., Amdur, M.O., and Doull, J., Eds., Casarett and Doull’s Toxicology: The Basic Science of Poisons , 5th ed....

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Ecosystems and Human Health - Chapter 9 pptx

Ecosystems and Human Health - Chapter 9 pptx

... diquat. O 2 N CHCH 2 CH 3 CH 3 NO 3 OH O 2 N CH 3 NO 2 OH DINOSEB ( 2-sec-buty 1-4 , 6-dinitropheno1 ) DNOC ( 4, 6-dinitro-o-cresol ) H 3 CCH 3 NN ++ PARAQUAT DIQUAT DIBROMIDE NN + + 2Br - ©2001 CRC Press LLC Nonspecificity Broad-spectrum pesticides, ... suspended all use in 1 987 . 4,6-Dinitro- o -cresol (DNOC, see Figure 35) has caused acute poisoning in humans with signs and...

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Ecosystems and Human Health - Chapter 10 pps

Ecosystems and Human Health - Chapter 10 pps

... The 8, 9-epoxide is formed exclusively by Cyp 1A2. e. Cyp 3A4 is the main source of 8, 9- endo -epoxide. f. Species differences in the rate and extent of glutathione conguga- tion of 8, 9-epoxide ... filamentous), spore-forming fungi that also con- stitute a health hazard and which have historic, pharmacological signi - cance, but they are considered separately in Chapter 1...

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