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Translational nanorobotics breaking through biological membranes.

Alzbeta Ressnerova1,2, Zbynek Heger2,3, Martin Pumera1,4,5,6

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Developing nanorobots for in vivo therapy requires overcoming biological membrane barriers. This review details four key membranes and propulsion strategies for successful nanorobot drug delivery.

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Area of Science:

  • Translational nanorobotics
  • Biomedical engineering
  • Drug delivery systems

Background:

  • Biological membranes present significant challenges for nanorobot-mediated therapeutic delivery in vivo.
  • Successful clinical translation of nanorobots hinges on their ability to navigate and cross these biological barriers.
  • Strategies for nanorobot membrane crossing are underrepresented in current scientific literature.

Purpose of the Study:

  • To review and identify critical biological membranes that nanorobots must traverse for in vivo therapeutic applications.
  • To discuss various nanorobot propulsion mechanisms (chemical, physical, hybrid) relevant to membrane crossing.
  • To highlight design challenges and the need for interdisciplinary collaboration in translational nanorobotics.

Main Methods:

  • Literature review focusing on nanorobots and biological membrane interactions.
  • Identification and description of four key biological barriers: skin/mucosa/vasculature entry, endothelium crossing, plasma membrane entry, and lysosome escape.
  • Analysis of different nanorobot propulsion systems for overcoming these barriers.

Main Results:

  • Four critical biological membranes identified: entry barriers, endothelium, plasma membrane, and lysosome.
  • Various chemical, physical, and hybrid propulsion mechanisms are discussed in the context of membrane traversal.
  • Design challenges for in vivo nanorobot application and membrane crossing are critically assessed.

Conclusions:

  • Overcoming biological membranes is paramount for effective in vivo nanorobot-based therapy.
  • Further research and interdisciplinary collaboration are essential to advance translational nanorobotics for precision medicine.
  • Developing robust strategies for nanorobot membrane crossing will unlock new therapeutic possibilities.