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Biguanide (/ b aɪ ˈ ɡ w ɒ n aɪ d /) is the organic compound with the formula HN(C(NH)NH 2) 2. It is a colorless solid that dissolves in water to give a highly basic solution. It is a colorless solid that dissolves in water to give a highly basic solution.
Structure of chlorhexidine, a bisbiguanide antiseptic.. Bisbiguanides are a class of chemically related compounds known for their bactericidal properties. Generally considered to be of the generic formula: R 1 R 2 N.C(:NR 6)NH.C(:NH)NH.CH 2 X--(CH 2) 3 NH.C(:NH)NH.C(:NR 7)NR 3 R 4 V. [1] These compounds include the antiseptics chlorhexidine and alexidine.
The federal government of the United States (U.S. federal government or U.S. government) [a] is the common government of the United States, a federal republic located primarily in North America, comprising 50 states, five major self-governing territories, several island possessions, and the federal district (national capital) of Washington, D.C ...
Timeline of women in mathematics in the United States; Timeline of women in religion in the United States; Timeline of women in science in the United States; Timeline of women in war in the United States, pre-1945; Timeline of women in warfare in Colonial America; Timeline of women in warfare and the military in the United States, 2011–present
The Communist Control Act of 1954 banned Communist organizations in the United States as antithetical to American government. When direct military conflict was deemed unnecessary, the United States used covert means to combat Soviet influence, providing support to movements that were combating Communist-influenced governments.
With the U.S. government on the verge of a partial shutdown, a timeline of more than 20 closures since 1976. Timeline of more than 20 U.S. government shutdowns over nearly 50 years Skip to main ...
Adams, James Truslow, ed. Dictionary of American History (5 Vols. 1940) Kutler, Stanley I. ed. Dictionary of American History (3rd Edition 10 Volumes, 2003) Martin, Michael. Dictionary of American History (Littlefield, Adams 1989) Morris. Richard, ed. Encyclopedia of American History (7th ed. 1996) Purvis, Thomas L.
U.S. troops fought in Afghanistan longer than in any other war. Here's a look at major events over the last two decades.