Issue Date: January 17, 2010
Observations On Arsenic And Phosphorus
In regard to the letter from John D. Sutherland on bacteria that tolerate arsenic, either we have another “polywater” or “cold fusion” controversy or perhaps after 50-plus years we still do not know everything there is to know about DNA and the bonding strength of phosphorus versus arsenic in such a structure (C&EN, Dec. 13, 2010, page 4). After more than 50 years of studying and applying chemistry in my career, I am . . .
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