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231224s2013 xx |||||o 00| ||eng c |
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7 |
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|a 10.1021/la401887b
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|a eng
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| 100 |
1 |
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|a Zhang, Li
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Easy design of colorimetric logic gates based on nonnatural base pairing and controlled assembly of gold nanoparticles
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|c 2013
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|a Text
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|a Date Completed 05.02.2014
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|a Date Revised 16.07.2013
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Utilizing the principles of metal-ion-mediated base pairs (C-Ag-C and T-Hg-T), the pH-sensitive conformational transition of C-rich DNA strand, and the ligand-exchange process triggered by DL-dithiothreitol (DTT), a system of colorimetric logic gates (YES, AND, INHIBIT, and XOR) can be rationally constructed based on the aggregation of the DNA-modified Au NPs. The proposed logic operation system is simple, which consists of only T-/C-rich DNA-modified Au NPs, and it is unnecessary to exquisitely design and alter the DNA sequence for different multiple molecular logic operations. The nonnatural base pairing combined with unique optical properties of Au NPs promises great potential in multiplexed ion sensing, molecular-scale computers, and other computational logic devices
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|a Wang, Zhong-Xia
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|a Liang, Ru-Ping
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|a Qiu, Jian-Ding
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
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|g 29(2013), 28 vom: 16. Juli, Seite 8929-35
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|g volume:29
|g year:2013
|g number:28
|g day:16
|g month:07
|g pages:8929-35
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