

FOLLOWUS
Key Laboratory of Organic Optoelectronics & Molecular Engineering of the Ministry of Education, Department of Chemistry, Tsinghua University, Beijing 100084, China
Dong-sheng Liu (刘冬生), E-mail:liudongsheng@tsinghua.edu.cn
Received:28 April 2017,
Revised:2017-5-13,
Accepted:17 May 2017,
Published:05 October 2017
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Hao-yang Jia, Jie-zhong Shi, Yu Shao, et al. DNA Hydrogels Formed of Bended DNA Scaffolds and Properties Study[J]. Chinese Journal of Polymer Science, 2017, 35(10): 1307-1314.
Hao-yang Jia, Jie-zhong Shi, Yu Shao, et al. DNA Hydrogels Formed of Bended DNA Scaffolds and Properties Study[J]. Chinese Journal of Polymer Science, 2017, 35(10): 1307-1314. DOI: 10.1007/s10118-017-1978-6.
In recent years
DNA supramolecular hydrogels have attracted much attention due to their injectability
biocompatibility
responsiveness and self-healing properties. In this work
we designed a linear DNA brick containing one duplex with two cytosine (C)-rich sequence on both ends. This brick can first assemble to form duplex under pH 8 condition. After adjusting the pH to 5
the C-rich sequence tends to form intermolecular i-motif structure
which joins the linear DNA molecules together to form interlocked cyclic structures and yield the DNA hydrogel. By adjusting the length and bending curvature of the duplex part of the molecule
one can change the basic unit of the hydrogel structure to tune the properties of the DNA hydrogel.
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