DNA-modulated photosensitization: current status and future aspects in biosensing and environmental monitoring

  • Yanying Wang
  • Zhen Dong
  • Hao Hu
  • Qing YangEmail author
  • Xiandeng Hou
  • Peng WuEmail author
Part of the following topical collections:
  1. Young Investigators in (Bio-)Analytical Chemistry


Recently, photosensitized oxidation has been explored in many fields of research and applications, such as photodynamic therapy (PDT) and photodynamic antimicrobial chemotherapy (PACT). Although the photosensitized generation of ROS features emerging applications, controllable management of the photosensitization process is still sometimes problematic. DNA has long been considered the carrier for genetic information. With the in-depth study of the chemical properties of DNA, the molecular function of DNA is gradually witnessed by the scientific community. Undoubtedly, the selective recognition nature of DNA endows them excellent candidate modulators for photosensitized oxidation. According to current research, reports on DNA regulation of photosensitized oxidation can be roughly divided into two categories in principle: P-Q quenching pair-switched photosensitization and host-guest interaction-switched photosensitization. In this review, the development status of these two analytical methods will be summarized, and the future development direction of DNA-modulated photosensitization in biosensing and environmental monitoring will also be prospected.


Photosensitization DNA ROS Singlet oxygen 


Funding information

The authors received a financial support from the National Natural Science Foundation of China (Nos. 21874093 and 21522505), the Sichuan Youth Science and Technology Foundation (2016JQ0019), and the Fundamental Research Funds for the Central Universities (2018SCUH0075).

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.


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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  1. 1.College of ChemistrySichuan UniversityChengduChina
  2. 2.Analytical & Testing CenterSichuan UniversityChengduChina
  3. 3.State Key Laboratory of Hydraulics and Mountain River EngineeringSichuan UniversityChengduChina

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