A Bioresorbable Dynamic Pressure Sensor for Cardiovascular Postoperative Care

A Bioresorbable Dynamic Pressure Sensor for Cardiovascular Postoperative Care

© 2021 Wiley-VCH GmbH.

Détails bibliographiques
Publié dans:Advanced materials (Deerfield Beach, Fla.). - 1998. - 33(2021), 39 vom: 25. Okt., Seite e2102302
Auteur principal: Ouyang, Han (Auteur)
Autres auteurs: Li, Zhe, Gu, Min, Hu, Yiran, Xu, Lingling, Jiang, Dongjie, Cheng, Sijing, Zou, Yang, Deng, Yu, Shi, Bojing, Hua, Wei, Fan, Yubo, Li, Zhou, Wang, Zhonglin
Format: Article en ligne
Langue:English
Publié: 2021
Accès à la collection:Advanced materials (Deerfield Beach, Fla.)
Sujets:Journal Article bioresorbable materials dynamic pressure sensors implantable devices postoperative care triboelectrics Biocompatible Materials Polyesters poly(lactide) 459TN2L5F5
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520 |a Bioresorbable electronics that can be absorbed and become part of the organism after their service life are a new trend to avoid secondary invasive surgery. However, the material limitation is a significant challenge. There are fewer biodegradable materials with pressure-sensitive properties. Here, a pressure sensor based on the triboelectric effect between bioabsorbable materials is reported. This effect is available in almost all materials. The bioresorbable triboelectric sensor (BTS) can directly convert ambient pressure changes into electrical signals. This device successfully identifies abnormal vascular occlusion events in large animals (dogs). The service life of the BTS reaches 5 days with a high service efficiency (5.95%). The BTS offers excellent sensitivity (11 mV mmHg-1 ), linearity (R2  = 0.993), and good durability (450 000 cycles). The antibacterial bioresorbable materials (poly(lactic acid)-(chitosan 4%)) for the BTS can achieve 99% sterilization. Triboelectric devices are expected to be applied in postoperative care as bioresorbable electronics 
650 4 |a Journal Article 
650 4 |a bioresorbable materials 
650 4 |a dynamic pressure sensors 
650 4 |a implantable devices 
650 4 |a postoperative care 
650 4 |a triboelectrics 
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650 7 |a poly(lactide)  |2 NLM 
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700 1 |a Li, Zhe  |e verfasserin  |4 aut 
700 1 |a Gu, Min  |e verfasserin  |4 aut 
700 1 |a Hu, Yiran  |e verfasserin  |4 aut 
700 1 |a Xu, Lingling  |e verfasserin  |4 aut 
700 1 |a Jiang, Dongjie  |e verfasserin  |4 aut 
700 1 |a Cheng, Sijing  |e verfasserin  |4 aut 
700 1 |a Zou, Yang  |e verfasserin  |4 aut 
700 1 |a Deng, Yu  |e verfasserin  |4 aut 
700 1 |a Shi, Bojing  |e verfasserin  |4 aut 
700 1 |a Hua, Wei  |e verfasserin  |4 aut 
700 1 |a Fan, Yubo  |e verfasserin  |4 aut 
700 1 |a Li, Zhou  |e verfasserin  |4 aut 
700 1 |a Wang, Zhonglin  |e verfasserin  |4 aut 
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773 1 8 |g volume:33  |g year:2021  |g number:39  |g day:25  |g month:10  |g pages:e2102302 
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