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A mix-up rated as contamination could in reality be a simple confusion of two cell lines, but usually contamination is assumed. [ citation needed ] After a cell line has been discovered to be contaminated, it is usually never used again for research demanding the specific type of cell line they were assumed to be.
Language convergence is a type of linguistic change in which languages come to resemble one another structurally as a result of prolonged language contact and mutual interference, regardless of whether those languages belong to the same language family, i.e. stem from a common genealogical proto-language. [1]
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Genetic pollution is a term for uncontrolled [1] [2] gene flow into wild populations. It is defined as "the dispersal of contaminated altered genes from genetically engineered organisms to natural organisms, esp. by cross-pollination", [3] but has come to be used in some broader ways.
Metalinguistics is the branch of linguistics that studies language and its relationship to other cultural behaviors.It is the study of how different parts of speech and communication interact with each other and reflect the way people live and communicate together.
Food contamination, the presence in food of harmful chemicals or microorganisms that might cause illness; 2008 Irish pork contamination, dioxin contamination of pork products produced in Ireland in 2008; Food contamination in China, a chronology of food contamination and safety incidents in China from 2003 to 2014
Within the sciences, the word "contamination" can take on a variety of subtle differences in meaning, whether the contaminant is a solid or a liquid, [3] as well as the variance of environment the contaminant is found to be in. [2] A contaminant may even be more abstract, as in the case of an unwanted energy source that may interfere with a process. [2]
These health concerns became more prevalent in the public eye after the 1976 Niagara Falls Gazette report of soil contamination near Love Canal.The discovery of such high volumes of these contaminants, their widespread geographical extent, and their dangerous health effects eventually led to the passage of the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) and ...