Recent progress in biodegradable and bioresorbable materials: From passive implants to active electronics

Morsada, Zinnat; Hossain, Milon; Islam, M. Tauhidul; Mobin, Md. Ahsanul; Saha, Shumit

doi:10.1016/j.apmt.2021.101257

Cited by 36 publications

(33 citation statements)

References 323 publications

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“…There have been remarkable efforts to transform the morphological structure of cellulose to develop smart materials with desired electrical conductivity, making it a potential smart material for wearable electronics. 111,139 Extensive progress has been achieved using cellulose-based smart materials for utilization in sensing devices, however, there are some major issues that need to be tackled to get productive outcomes:…”

Section: Summary and Future Trendsmentioning

confidence: 99%

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Cellulose based flexible and wearable sensors for health monitoring

et al. 2022

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Section: Summary and Future Trendsmentioning

confidence: 99%

Section: Summary and Future Trendsmentioning

confidence: 99%

Cellulose based flexible and wearable sensors for health monitoring

et al. 2022

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“…Biodegradable polymers such as PVA and PGS have been used as elastic dielectrics for environmentally friendly capacitive sensors. 17,18 Even though high performance, i.e., high sensitivity and low detection limit, has been achieved in piezoresistive and piezocapacitive devices, the necessity of external power sources (a DC voltage for the resistance measurement and an AC signal for the capacitance testing) makes the sensor systems complicated and energy inefficient.…”

Section: Introductionmentioning

confidence: 99%

A Biodegradable and Recyclable Piezoelectric Sensor Based on a Molecular Ferroelectric Embedded in a Bacterial Cellulose Hydrogel

et al. 2022

ACS Nano

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Currently, various electronic devices make our life more and more safe, healthy, and comfortable, but at the same time, they produce a large amount of nondegradable and nonrecyclable electronic waste that threatens our environment. In this work, we explore an environmentally friendly and flexible mechanical sensor that is biodegradable and recyclable. The sensor consists of a bacterial cellulose (BC) hydrogel as the matrix and imidazolium perchlorate (ImClO 4 ) molecular ferroelectric as the functional element, the hybrid of which possesses a high sensitivity of 4 mV kPa −1 and a wide operational range from 0.2 to 31.25 kPa, outperforming those of most devices based on conventional functional biomaterials. Moreover, the BC hydrogel can be fully degraded into glucose and oligosaccharides, while ImClO 4 can be recyclable and reused for the same devices, leaving no environmentally hazardous electronic waste.

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“…[16,17] Further, chemical sensing with bioresorbable devices has shown to be challenging given that the necessary interaction of the sensing material with the target analyte forbids full encapsulation of the sensor. [18,19] Only a few examples of bioresorbable chemical sensors have been reported to date and demonstrated in vitro. Hwang et al [20] proposed a bioresorbable pH sensor using a field effect transistorlike structure based on silicon nanoribbons.…”

Section: Introductionmentioning

confidence: 99%

Bioresorbable Nanostructured Chemical Sensor for Monitoring of pH Level In Vivo

et al. 2022

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Here, the authors report on the manufacturing and in vivo assessment of a bioresorbable nanostructured pH sensor. The sensor consists of a micrometer‐thick porous silica membrane conformably coated layer‐by‐layer with a nanometer‐thick multilayer stack of two polyelectrolytes labeled with a pH‐insensitive fluorophore. The sensor fluorescence changes linearly with the pH value in the range 4 to 7.5 upon swelling/shrinking of the polymer multilayer and enables performing real‐time measurements of the pH level with high stability, reproducibility, and accuracy, over 100 h of continuous operation. In vivo studies carried out implanting the sensor in the subcutis on the back of mice confirm real‐time monitoring of the local pH level through skin. Full degradation of the pH sensor occurs in one week from implant in the animal model, and its biocompatibility after 2 months is confirmed by histological and fluorescence analyses. The proposed approach can be extended to the detection of other (bio)markers in vivo by engineering the functionality of one (at least) of the polyelectrolytes with suitable receptors, thus paving the way to implantable bioresorbable chemical sensors.

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Recent progress in biodegradable and bioresorbable materials: From passive implants to active electronics

Cited by 36 publications

References 323 publications

Cellulose based flexible and wearable sensors for health monitoring

Cellulose based flexible and wearable sensors for health monitoring

A Biodegradable and Recyclable Piezoelectric Sensor Based on a Molecular Ferroelectric Embedded in a Bacterial Cellulose Hydrogel

Bioresorbable Nanostructured Chemical Sensor for Monitoring of pH Level In Vivo

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