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Reversible molecular switching of molecular beacon: controlling DNA hybridization kinetics and thermodynamics using mercury(II) ions

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成果类型:
期刊论文
作者:
Yang, Ronghua*;Jin, Jianyu;Long, Liping;Wang, Yongxiang;Wang, Hao;...
通讯作者:
Yang, Ronghua
作者机构:
[Yang, Ronghua; Long, Liping; Tan, Weihong] Hunan Univ, State Key Lab Chemo Biosensing & Chemometr, Changsha 410082, Hunan, Peoples R China.
[Yang, Ronghua; Long, Liping; Tan, Weihong] Hunan Univ, Ctr Biomed Engn, Coll Chem & Chem Engn, Changsha 410082, Hunan, Peoples R China.
[Jin, Jianyu; Wang, Yongxiang; Yang, Ronghua; Wang, Hao] Peking Univ, Coll Chem & Mol Engn, Beijing 100871, Peoples R China.
[Long, Liping] Hunan City Univ, Dept Chem & Environm Engn, Yiyang 413500, Hunan, Peoples R China.
[Tan, Weihong] Univ Florida, Ctr Res Bio Nano Interface, Dept Chem, Gainesville, FL 32611 USA.
通讯机构:
[Yang, Ronghua] H
Hunan Univ, State Key Lab Chemo Biosensing & Chemometr, Changsha 410082, Hunan, Peoples R China.
语种:
英文
期刊:
Chemical Communications
ISSN:
1359-7345
年:
2009
期:
3
页码:
322-324
基金类别:
National Outstanding Youth Science Foundation of China [20 525 518]; National Natural Foundation of China [20 775 005]; NSF; NIH
机构署名:
本校为其他机构
院系归属:
材料与化学工程学院
摘要:
We report that the hydrogen-bonding pattern in a molecular beacon can be replaced by metal-dependent pairs of Hg 2+ and DNA thymine (T) bases. A molecular beacon based on T-Hg 2+ -T exhibits a lower background signal and higher thermostability than regular molecular bea...

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