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Light force-powered cellular medical micromachines.

Dalin Ma1, Xinyu Ren1, Jiaxi Zheng1

  • 1Department of Optoelectronic Engineering, School of Physics and Materials Science, Guangzhou University, Guangzhou, Guangdong, China.

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Summary
This summary is machine-generated.

Cellular micromachines powered by light offer precise, minimally invasive medical treatments. Integrating biological cells overcomes limitations of synthetic materials for advanced therapies and diagnostics.

Keywords:
biophotonicsbioprintingcellular micromachineslight forceoptical tweezer

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Area of Science:

  • Biomedical Engineering
  • Nanotechnology
  • Cellular Engineering

Background:

  • Conventional medical micromachines use synthetic materials, posing biosafety and efficacy challenges.
  • Existing micromachines face limitations in precision, invasiveness, and deep-tissue application.
  • Advancements in micro/nanotechnology and intelligent control are driving innovation in medical devices.

Purpose of the Study:

  • To review light-force-powered cellular micromachines for precision medicine.
  • To explore the integration of biological cells with optical tweezers for enhanced control.
  • To highlight applications and future directions in cell-based micromachine technology.

Main Methods:

  • Systematic review of literature on cellular micromachines.
  • Categorization of five types of light-force-powered cellular micromachines.
  • Analysis of applications in drug delivery, surgery, and immunotherapy.

Main Results:

  • Five categories of cellular micromachines identified: bacteria, algae, RBCs, immune cells, and subcellular structures.
  • Pioneering applications demonstrated in targeted drug delivery, minimally invasive surgery, and immunotherapy.
  • Key challenges include tissue penetration depth, phototoxicity, and operational intelligence.

Conclusions:

  • Cellular micromachines offer a promising alternative to synthetic counterparts for medical applications.
  • Future directions involve adaptive optics, AI, and bioprinting for advanced control and integration.
  • The convergence of photonics, synthetic biology, and AI will drive next-generation biomedical platforms.