Transient electronics have dramatically changed inner-body
therapy
in health care. They stand out because of their harmless dissolution
in the human body with no lingering electronic trash. However, high-precision
biomedical implants require programmable and serial remedy operations,
and controlling the whole-device destruction is not proactive and
precise. Thus, a novel biotriggered and temperature-controlled transient
electronics fabrication method using elastin-like polypeptides (ELPs)
as triggers is proposed. Biocompatible ELPs simply mixed with trace
silver nanowire (AgNW) can serve as the “switch” for
the electronics to respond to local temperature changes in deionized
water, exhibiting an agile response time. A ratio gradient experiment
of the ELPs and AgNW shows that more programmable and precise transience
properties (initial resistance, ready time, response time, and stable
resistance) can be achieved by using a designated proportion. Further,
we validated that the 3D-printing-based ELP-triggering transient electronics
fabrication method is very simple yet effective for preparing transient
wireless charging LEDs. Transient devices comprising ELPs-AgNW and
PLGA-Ag respond within 160 s below 10 °C and degrade within a
certain period.
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