§ 6 the principles of territorial integrity and uti possidetis
The principles of toxicology environmental and industrial applications 2nd edition phần 6 pps
Ngày tải lên :
09/08/2014, 16:20
... the fundamental concepts of metal toxicity Because of the large number of metals, their ubiquitous nature, and their chemical and physical diversity, the field of metal toxicology is one of the ... proportion of the dose for occupationally exposed groups, and the oral route contributes a greater proportion of the dose for the general population The effects of lead are the same regardless of the ... increasing These data were confirmed in the 1999 joint release from the CDC, NCI, and ACS As awareness of environmental contamination and the ubiquity of synthetic chemicals arose in the 1 960 s, specifically...
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PHYSICS AND POLITICS OR THOUGHTS ON THE APPLICATION OF THE PRINCIPLES OF ''''NATURAL SELECTION'''' AND ''''INHERITANCE'''' TO POLITICAL SOCIETY pptx
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06/03/2014, 13:20
... which the child in blood possesses of becoming one day the head of a family himself The flocks and herds of the children are the flocks and herds of the father, and the possessions of the parent, ... gives the readers of the journal the sort of words and the sort of thoughts they are used to—so, on a larger scale, the writers of an age, without thinking of it, give to the readers of the age the ... of any theory as to the nature of matter, or the nature of mind They are as true upon the theory that mind acts on matter—though separate and altogether different from it—as upon the theory of...
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The principles of toxicology environmental and industrial applications 2nd edition phần 1 ppt
Ngày tải lên :
09/08/2014, 16:20
... Christopher M Teaf 16. 1 16. 2 16. 3 16. 4 16. 5 16. 6 16. 7 16. 8 16. 9 16. 10 16. 11 16. 12 16. 13 16. 14 16. 15 16. 16 16. 17 16. 18 16. 19 Exposure Potential 367 Basic Principles 368 Toxic Properties of Representative ... depending on the circumstances of the substance’s use and the ease of identifying and monitoring either the sentinel response or the seriousness of the toxicity produced Changing the definition ... biochemistry; (4) the distribution of chemicals to certain tissues and pharmacokinetics of the chemical in the animal; (5) the metabolism, bioactivation, and detoxification of the chemical; and (6) ultimately...
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The principles of toxicology environmental and industrial applications 2nd edition phần 2 ppt
Ngày tải lên :
09/08/2014, 16:20
... coenzyme A as a cofactor and require the formation of a thioester with the carboxylic acid group, either of acetate or of the xenobiotic The thioester then reacts with an amine, either on the xenobiotic ... circulate, and leave the body The sites of metabolism of the xenobiotic within the body The chemistry and enzymology of xenobiotic metabolism The bioactivation as well as inactivation of xenobiotics ... mechanisms, and the action of gastrointestinal enzymes or intestinal microflora • Factors determining the rate of diffusion across the skin • Absorption of solid and liquid particulates and of gases and...
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The principles of toxicology environmental and industrial applications 2nd edition phần 3 pps
Ngày tải lên :
09/08/2014, 16:20
... filtration and tubular secretion are dependent on the concentration of the drug in the plasma, and the rate of reabsorption by the tubules is dependent on the concentration of drug in the urine The ... enhance the hydration of the skin and increase the rate of uptake of agents applied to the surface of the skin For compounds with the same hydrophobicity, the smaller compound will diffuse across the ... injury Rather, the type of lesion or effect observed is dependent on the chemical involved, the dose, and the duration of exposure Some types of injury are the result of acute toxicity to the liver,...
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The principles of toxicology environmental and industrial applications 2nd edition phần 4 ppsx
Ngày tải lên :
09/08/2014, 16:20
... released when these inhaled agents deposit in the lung, and these factors alert the phagocytic cells to the location of the agents The macrophages then engulf them and attempt to ingest them with ... extensive, from the severe rupturing of the septa walls Even short of cell death, these cells become less efficient in the removal of particulates and other toxins Therefore, the inhalation of toxic ... increase in the membrane permeability of the alveocapillary membrane complex of the lung and other airway linings This results in an increase in fluid, either in the interstitial space of the alveocapillary...
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The principles of toxicology environmental and industrial applications 2nd edition phần 5 ppsx
Ngày tải lên :
09/08/2014, 16:20
... of the earlier observations and theories about the nature of the carcinogenic process These discoveries have been followed by further refinements in our understanding of the molecular basis of ... can cause the bond between the base and deoxyribose in the backbone of the DNA strand to become unstable and break This leads to a gap in the DNA strand which, if unrepaired at the time of DNA replication, ... Morrison and Ashby (1994), including a review of the results of the tests that had been performed in the lacZ case (14 reports) and in the lacI case ( 16 reports) These authors concluded that the variability...
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The principles of toxicology environmental and industrial applications 2nd edition phần 7 pptx
Ngày tải lên :
09/08/2014, 16:20
... Pyridine Styrene Tetrahydrofuran Toluene Trichloroethene Vinyl chloride 75-07-0 67 -64 -1 107-02-8 62 -53-3 71-43-2 92-87-5 75-15-0 56- 23-5 67 -66 -3 121 -69 -7 123-91-1 64 -17-5 141-78 -6 60-29-7 107-21-1 50-00-0 ... irritation of the eyes and nose is noticeable Figure 16. 18 Ethyl ether Figure 16. 19 Isopropyl ether Other Ethers The unsaturated ethers are, in general, more toxic than the saturated ethers, produce ... extent on the distribution of the chemical within the body Some of the systemic effects observed for lethal exposures are edema and hemorrhage of the lungs, necrosis of the liver, necrosis and nephritis...
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The principles of toxicology environmental and industrial applications 2nd edition phần 8 pot
Ngày tải lên :
09/08/2014, 16:20
... physiologically antagonize the intoxication, based on a knowledge of the opposing system Of course, the very basis of rational therapy is the biochemical and pharmacological understanding of the most active ... immobilization of individuals bitten by poisonous snakes or other animals can reduce entry of the toxin(s) into the systemic circulation, and thereby delay the onset and reduce the intensity of the response ... justified by the data, and are they consistent with the current scientific understanding of the test or area of toxicology? Is the outcome of the reported experiment dependent on the test conditions,...
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The principles of toxicology environmental and industrial applications 2nd edition phần 9 pdf
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09/08/2014, 16:20
... 1820 7395 8400 8400 366 0 366 0 38 6. 0 2.5 6. 5 18 69 , 160 44,370 21,000 54 ,60 0 21, 960 65 ,880 Tumor Incidence (percent) 27 25 11 67 54 19 .6 REEVALUATION OF THE CARCINOGENIC RISKS OF INHALED ANTIMONY ... because these types of work schedules increase the exposure time and the amount of the chemical that reaches the target organ and because the time for clearance of the chemical from the body ... group of professionals must fully implement the spirit as well as the letter of the program These are the people who will carry the message of the program to distant sites At these distant sites the...
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The principles of toxicology environmental and industrial applications 2nd edition phần 10 pptx
Ngày tải lên :
09/08/2014, 16:20
... the effect of another chemical toxicology The scientific study of poisons and their actions and detection, and treatment of the condition produced by them Also the study of the effects of chemicals ... involving the interaction between the nervous system and the hormones of the endocrine glands neurofibril One of the delicate threads running in every direction through the cytoplasm of the body of ... (MFO) 560 GLOSSARY cytokinesis The division of the cytoplasm of a cell following the division of the nucleus cytoplasm The protoplasm of a cell exclusive of the nucleus, consisting of a continuous...
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on the principles of political economy and taxation phần 7 docx
Ngày tải lên :
09/08/2014, 19:22
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