tag:blogger.com,1999:blog-37623912.post3501545735411470179..comments2007-10-05T19:54:07.551-04:00Chrishttp://www.blogger.com/profile/05349466286549537039[email protected]Blogger1125tag:blogger.com,1999:blog-37623912.post-82867931648972273882007-10-05T19:54:00.000-04:002007-10-05T19:54:00.000-04:00I'm having a little trouble seeing what is surprising here. Lanthanides have been known to cleave RNA by transesterification and hydrolysis for a long time, and they bind the phosphodiesters in the process. Heavy metals are toxic: even those that are required trace elements (like molybdenum) are only desirable in a narrow concentration window. What am I missing that should be shocking or stunning me?<BR/>Jim<BR/>http://nearlynothingbutnovels.blogspot.com/<BR/>http://greenchemistry.wordpress.com/Jim's Words Music and Sciencehttp://www.blogger.com/profile/12882203075812395266[email protected]