Submitted on: 16 May 2006.
Revised on: 04 June 2006.
Accepted on: 20 June 2006.
NANO LETTERS
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Submitted on: 28 December 2004.
Revised on: 07 January 2005.
Accepted on: 21 January 2005.
NANO LETTERS---AMER CHEMICAL SOC
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Submitted on: 22 June 2000.
Revised on: 16 July 2000.
Accepted on: 09 August 2000.
NANO LETTERS