Journal
SMALL
Volume 14, Issue 17, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/smll.201703305
Keywords
advanced water treatment; construction mechanisms; DNA hydrogels; environmental analysis; heavy metals; organic pollutants
Categories
Funding
- Program for the National Natural Science Foundation of China [51521006, 51508175, 51378190, 51709285]
- Science and Technology Plan Project of Hunan Province, China [2015SK2001]
- China Postdoctoral Science Foundation [2016M600490, 2017T100462]
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With high binding affinity, porous structures, safety, green, programmability, etc., DNA hydrogels have gained increasing recognition in the environmental field, i.e., advanced treatment technology of water and analysis of specific pollutants. DNA hydrogels have been demonstrated as versatile potential adsorbents, immobilization carriers of bioactive molecules, catalysts, sensors, etc. Moreover, altering components or choosing appropriate functional DNA optimizes environment-oriented hydrogels. However, the lack of comprehensive information hinders the continued optimization. The principle used to fabricate the most suitable hydrogels in terms of the requirements is the focus of this Review. First, different fabrication strategies are introduced and the ideal characteristic for environmental applications is in focus. Subsequently, recent environmental applications and the development of diverse DNA hydrogels regarding their synthesis mechanism are summarized. Finally, the Review provides an insight into the remaining challenging and future perspectives in environmental applications.
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