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pH-Responsive DNA Motif: From Rational Design to Analytical Applications
Lin Lin Zheng1, Jin Ze Li1, Ying Xu Li1
1Shandong Province Key Laboratory of Detection Technology for Tumor Makers, Collaborative Innovation Center of Tumor Marker Detection Technology, School of Chemistry and Chemical Engineering, Feixian Campus, Linyi University, Linyi, China.
pH-responsive DNA motifs are highly versatile due to their designability. This review covers DNA secondary structures like triplex DNA and i-motifs that respond to pH changes, discussing future prospects.
Area of Science:
- Biochemistry
- Molecular Biology
- Nanotechnology
Background:
- pH-responsive DNA motifs are gaining attention for their designability and DNA chemistry versatility.
- These motifs leverage DNA secondary structures with pH-responsive properties due to protonation sites.
Purpose of the Study:
- To review second structure-based pH-responsive DNA motifs.
- To discuss challenges and prospects in the field of pH-responsive DNA motifs.
Main Methods:
- Literature review of pH-responsive DNA secondary structures.
- Summary of DNA triplex, i-motif, and A+-C mismatch base pair-based DNA devices.
Main Results:
- Identified pH-responsive DNA secondary structures including triplex DNA, i-motif, and A+-C mismatch base pairs.
- Detailed the mechanisms of pH response based on protonation sites.
Conclusions:
- pH-responsive DNA motifs offer significant potential in various applications.
- Further research is needed to overcome current challenges and explore future prospects.
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