Po-Chang Chiang*, Jason W Alsup, Yurong Lai, Yiding Hu, Bruce R Heyde and David Tung*
* Corresponding authors: Po-Chang Chiang Po-chang.chiang@pfizer.com - David Tung Dvaid.Tung@pfizer.com
Nanoscale Research Letters 2009, 4:254-261 doi:10.1007/s11671-008-9234-1
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