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Nanozyme: new horizons for responsive biomedical applications.

Dawei Jiang1, Dalong Ni2, Zachary T Rosenkrans2

  • 1Departments of Radiology, Medical Physics, and Pharmaceutical Sciences, University of Wisconsin - Madison, Madison, WI 53705, USA. wcai@uwhealth.org and Marshall Laboratory of Biomedical Engineering, International Cancer Center, Laboratory of Evolutionary Theranostics (LET), School of Biomedical Engineering, Shenzhen University Health Science Center, Shenzhen, 518060, China. peng.huang@szu.edu.cn.

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Nanozymes, nanomaterial-based artificial enzymes, offer superior stability and cost-effectiveness over protein enzymes. Stimuli-responsive nanozymes are advancing diagnosis, treatment, and theranostics in biomedical applications.

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Area of Science:

  • Biomaterials Science
  • Nanotechnology
  • Catalysis

Background:

  • Nanozymes are artificial enzymes utilizing nanomaterials, offering advantages over traditional protein enzymes.
  • They provide enhanced catalytic stability, cost-effectiveness, and ease of modification.
  • Their inherent nanomaterial properties enable multimodal applications beyond simple enzyme substitution.

Purpose of the Study:

  • To explore the design and application of stimuli-responsive nanozymes.
  • To highlight the potential of nanozymes in biomedical settings.
  • To discuss the integration of catalytic properties and nanomaterial characteristics for advanced theranostics.

Main Methods:

  • Designing nanozyme systems responsive to various substrates.
  • Tailoring nanozyme catalytic activities by regulating environmental factors (pH, H2O2, glutathione, oxygenation).
  • Investigating remote control of nanozymes using external stimuli (magnetic field, light, ultrasound, heat).

Main Results:

  • Nanozyme catalytic activity can be precisely regulated by microenvironmental factors.
  • External stimuli offer remote control over nanozyme function.
  • Nanozymes demonstrate potential for enhanced diagnostic and therapeutic efficacy.

Conclusions:

  • Stimuli-responsive nanozymes integrate catalytic functions with nanomaterial properties.
  • These advanced nanozyme systems offer novel opportunities for disease diagnosis, treatment, and theranostics.
  • Nanozymes represent a promising frontier in nanomedicine.