Submitted on: 10 April 1999.
Revised on: 06 June 1999.
Accepted on: 11 July 1999.
___________________Current Nanoscience---BENTHAM SCIENCE PUBL LTD
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Submitted on: 23 July 2018.
Revised on: 19 October 2018.
Accepted on: 17 December 2018.
___________________Current Nanoscience---BENTHAM SCIENCE PUBL LTD
Submitted on: 30 October 2000.
Revised on: 22 February 2001.
Accepted on: 09 March 2001.
___________________Current Nanoscience---BENTHAM SCIENCE PUBL LTD
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Submitted on: 30 August 1999.
Revised on: 03 December 1999.
Accepted on: 12 January 2000.
___________________Current Nanoscience---BENTHAM SCIENCE PUBL LTD
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Submitted on: 26 June 2004.
Revised on: 06 September 2004.
Accepted on: 26 October 2004.
___________________Current Nanoscience---BENTHAM SCIENCE PUBL LTD
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