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|Title:||Self-assembly of cholesterol DNA at liquid crystal/aqueous interface and its application for DNA detection|
|Citation:||Lai, S.L., Hartono, D., Yang, K.-L. (2009). Self-assembly of cholesterol DNA at liquid crystal/aqueous interface and its application for DNA detection. Applied Physics Letters 95 (15) : -. ScholarBank@NUS Repository.|
|Abstract:||In this letter, we report a strategy of detecting the DNA targets by using a thin layer of self-assembled cholesterol-labeled DNA probes at the liquid crystal (LC)/aqueous interface. When the system is exposed to 51 μg/ml of complementary DNA targets, the optical appearance of LC shows a continuous change from dark to bright under the crossed polars within 15 min. No obvious change can be observed when the system is exposed to one or two base-pair mismatch DNA targets. This system provides a principle for label-free and real-time detection of DNA targets without any fluorescent labeling. © 2009 American Institute of Physics.|
|Source Title:||Applied Physics Letters|
|Appears in Collections:||Staff Publications|
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