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Home > All Images > 2002 > September > 30 Sep 2002

Images Dated 30th September 2002

Choose from 14 pictures in our Images Dated 30th September 2002 collection for your Wall Art or Photo Gift. All professionally made for Quick Shipping.


Computer graphics of haemoglobin blood substitute Featured 30 Sep 2002 Image

Computer graphics of haemoglobin blood substitute

Computer graphics representation of haemoglobin, the oxygen-carrying molecule of blood, constructed during research for a blood substitute at the U.K. Medical Research Council (MRC) Laboratory of Molecular Biology, Cambridge. Haemoglobin's four protein chains are shown in blue & purple, with the four haem groups, the oxygen-binding sites, in red. MRC scientists used recombinant DNA techniques on the bacterium Escherichia coli, to synthesize human haemoglobin. The need to develop a blood substitute has arisen because of concern over contamination of stocks by pathogens such as HIV, the virus causing AIDS

© DAVID PARKER/SCIENCE PHOTO LIBRARY