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A B C D E F G H I J K L M N O P Q R S T U V W X Y Z ALL You Have Viewed Too Many Free Essays, Term Papers, and Book Reports. Artificial Blood Artificial Blood Artificial Blood A continuous supply of donated blood is vital for modern medicine. But the ever-increasing worry over blood-borne diseases such as HIV and hepatitis has started the search for an artificial option. As might be expected, finding a blood substitute has proved very hard, two research teams report how some of the biggest remaining problems might be overcome. Most attempts to find a suitable alternative to blood have concentrated on cell-free haemoglobin solutions. Haemoglobin, the oxygen-carrying complex, is usually packaged safely inside red blood cells. This makes a huge difference to the rate of oxygen delivery to the tissues, but there are other problems to be overcome too. The cell membrane contains enzymes that protect the haemoglobin from degradation, allowing it to function in the blood stream for about 3 months. A lack of enzymes in the cell-free substitute leaves the body at risk blood, haemoglobin, problem, cell-free, research, less, hypertension, artificial, team, substitutes, substitute, problems, oxygen, oxide, overcome, nitric, might, makes, finding, enzymes, donated, worry, while, way, vital, vessels, very, unexplained, two, tissues, therapeutics, teams, supply, suitable, stream, started Word Count: 287 Acceptance_Essays American_History Anatomy_&_Physiology Animal_Science_&_Zoology Anthropology Architecture Art Astronomy Aviation Biographies Book_Reports Business Computers Creative_Writing Current_Events Economics Education Engineering English Environmental_Science Ethics European_History Film_&_TV Foreign_Languages Geography Government_&_Politics Health_&_Beauty History_Other Human_Sexuality Legal_Issues Marketing Mathematics Medicine Miscellaneous Music Mythology Philosophy Physics Poetry Political_Science Psychology Religion Science Shakespeare Social_Issues Sociology Speech Sports_&_Recreation Supernatural Technology Theater Theses_&_Dissertations

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