正文內容

商業倫理學ppt課件-資料下載頁

2026-01-12 23:36本頁面

　　

【正文】 tics to reduce the number of animals that must be used for each experiment ? Refinement improve the experiment to reduce animal suffering Ways…… Using Cell Cultures Safety tests using human cells are more accurate than animal tests. In fact, a new pany now offers methods for developing new drugs without the use of animals at all. Replacing Animals in Safety Tests Rat LD50 tests—lethal dose tests that measure the dose of a chemical that kills 50 percent of the animals given it—were only 59 percent accurate, and mouse tests were about 70 percent accurate. But the average human cell test was 77 percent accurate. Accuracy was boosted to 80 percent when results from three different human cell tests were bined. Using New Technologies New scanning technologies (such as Magic Resonance Imaging) can help doctors learn about disease from human patients without the need for invasive surgery, or animal testing. InVitro Research An enormous amount of valuable invitro (test tube) research is conducted today. Cell and tissue cultures are used to screen anticancer and antiAIDS drugs and to test for product irritancy. The AIDS virus was isolated in human serum, and in vitro methods are providing new insights into the virus39。 effect on human cells. Computer Modeling Computer programs can often predict the toxicity of chemicals, including their potential to cause cancer or birth defects, based on their molecular structure. Computer simulations have also replaced live animals in medical education. Britain,Germany,Austria and Holland have banded cosmetics testing on animals. Recently Germen researchers develop a new way to test cosmetics not using animals. In the future Animal researchers say that it will be impossible to eliminate all animal tests. But most scientists accept that it is extremely important to minimize the suffering of laboratory animals, and to use as few animals as possible. Thank you for your attention !

點擊復制文檔內容

教學課件相關推薦

商業倫理學ppt課件-資料下載頁

經濟學與倫理學ppt課件-資料下載頁

商業管理倫理學講義-資料下載頁

企業倫理學概論二ppt課件-資料下載頁

[文學]環境倫理學-資料下載頁

[管理學]商業倫理學第一章-資料下載頁

佛教的動物倫理學-資料下載頁

醫學倫理學課件-資料下載頁

護理倫理學規范體系-資料下載頁

基督教倫理學-資料下載頁

護理倫理學緒論(2)-資料下載頁

護理倫理學第六章ppt課件-資料下載頁

醫學倫理學醫學科研倫理-資料下載頁

行政倫理學學習輔導-資料下載頁

護理倫理學的歷史發展-資料下載頁

[其它考試]醫學倫理學輔導-資料下載頁

商業倫理學ppt課件-全文預覽

商業倫理學ppt課件-預覽頁

商業倫理學ppt課件-免費閱讀

商業倫理學ppt課件(存儲版)

商業倫理學ppt課件-文庫吧在線文庫