Abstract:Soft untethered microswimmers have recently been demonstrated to be capable of transporting and delivering cargos by external control while maintaining biocompatibility and safety. However, such microswimmers still suffer from complex and inconvenient fabrication processes and control methods, which impedes their clinical translation. In this paper, an easy-to-fabricate, magnetic-driven and IR-induced shape transformative microswimmer is presented. This microswimmer can be fabricated in a fast, low-cost and hi… Show more
“…In addition to solving the problem of exploration of biodegradable materials, it is necessary to consider whether or not the rate of degradation and degradable products are good in biocompatibility. Yang et al [141] recently reported a magnetic microswimmer with biocompatible and biodegradable components. On the other hand, because of the advantages of insensitivity to biological tissues, precision control and positioning, magnetic fields have become the preferred driving source for biodegradable micro-nano robots.…”
Figure 6. Recent research and applications of acoustic control. A) Acoustic controlled RBC-PL-robot for removal of pathogenic bacteria and toxins.Reproduced with permission. [115] Copyright 2017, ACS. B) Acoustic controlled rotation of microbeads and oocytes. Reproduced with permission. [116] Copyright 2019, AIP. C) Acoustic controlled nanoswimmer for propulsion to maneuver micro-/nanosized objects. Reproduced with permission. [118] Copyright 2019, ACS. D) An untethered ultrasound-controlled actuator for targeted drug delivery. Reproduced with permission. [119] Copyright 2019, Springer Nature. E) Acoustic controlled micro rotor in PDMS channel for microelectromechanical systems. Reproduced with permission. [120]
“…In addition to solving the problem of exploration of biodegradable materials, it is necessary to consider whether or not the rate of degradation and degradable products are good in biocompatibility. Yang et al [141] recently reported a magnetic microswimmer with biocompatible and biodegradable components. On the other hand, because of the advantages of insensitivity to biological tissues, precision control and positioning, magnetic fields have become the preferred driving source for biodegradable micro-nano robots.…”
Figure 6. Recent research and applications of acoustic control. A) Acoustic controlled RBC-PL-robot for removal of pathogenic bacteria and toxins.Reproduced with permission. [115] Copyright 2017, ACS. B) Acoustic controlled rotation of microbeads and oocytes. Reproduced with permission. [116] Copyright 2019, AIP. C) Acoustic controlled nanoswimmer for propulsion to maneuver micro-/nanosized objects. Reproduced with permission. [118] Copyright 2019, ACS. D) An untethered ultrasound-controlled actuator for targeted drug delivery. Reproduced with permission. [119] Copyright 2019, Springer Nature. E) Acoustic controlled micro rotor in PDMS channel for microelectromechanical systems. Reproduced with permission. [120]
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