Journal
BIOPHYSICAL CHEMISTRY
Volume 145, Issue 2-3, Pages 91-97Publisher
ELSEVIER
DOI: 10.1016/j.bpc.2009.09.005
Keywords
DNA-template; Sunlight-induced; Humidity
Funding
- National Science Foundation of China [20871001, 20671001, 20731001]
- National Basic Research Program of China [2007CB936603, 2009CB939902]
- China Postdoctoral Science Foundation [20070420739]
- Hitech Research and Development Program of China [2009AA03Z330, 2007AA022005]
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A very simple and novel approach of fabricating Ag-DNA network is herein reported. The Ag-DNA network can be formed from reduction of silver ion absorbed on DNA template by sunlight. Mesh size of the Ag-DNA network and the diameter of the Ag-DNA nanowire can be controlled by adjusting the concentration of DNA and irradiation time, respectively. Furthermore, the Ag-DNA network placed onto comb-like gold electrodes can be utilized as a sensor for humidity, which presents a good response to the detection of relative humidity (RH). (C) 2009 Elsevier B.V. All rights reserved.
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