Merkel receptor-inspired integratable and biocompatible pressure sensor with linear and ultrahigh sensitive response for versatile applications

Song, Zhitang; Li, Weiyan; Kong, Huijun; Chen, Minqi; Bao, Yu; Wang, Ning; Wang, Wei; Liu, Zhenbang; Ma, Yingming; He, Ying; Kang, Zhenhui; Niu, Li

doi:10.1016/j.cej.2022.136481

Cited by 19 publications

(16 citation statements)

References 43 publications

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“…As cardiovascular diseases are one of the major causes of death, aging and obesity are the prime determinants of cardiovascular health, associated with the development of numerous cardiovascular diseases such as hypertension, stroke, heart attack dyslipidemia, and noninsulin-dependent diabetes. [17][18][19][20][21][22][23] As a proof of concept, we have utilized the flexible piezoelectric sensor to early detect the risk of cardiovascular diseases, non-invasively. In this pilot testing, the sensor is tested on two folds, first to detect the physiological changes arises due to the aging, second the effect of obesity on the cardiovascular status from normal to obese.…”

mentioning

confidence: 99%

Deep Learning Enabled Early Predicting Cardiovascular Status Using Highly Sensitive Piezoelectric Sensor of Solution‐Processable Nylon‐11

Babu¹,

Ranpariya

Sinha

et al. 2023

Adv Materials Technologies

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Cardiovascular diseases are found as one of the major cause of deaths globally, these can be reduced substantially if early‐stage detection and intervention is possible. Regular monitoring of the arterial pulse is one of the possible solutions, however, existing technologies have put limitations, due instability in continuous monitoring, lack of information in real‐time recording of cardiovascular parameters and bulky instruments. A highly sensitive flexible piezoelectric sensor of nylon‐11 fabricated is introduced from simple solution processable technique. Which consists of a highly sensitive, flexible, conformable piezoelectric film, owing to its high mechanosensitivity (≈225 mV N−1) in the subtle pressure range (0.001–1 kPa), and fast responsivity (≈4 ms), it is tested for assessing risk factors of cardiovascular diseases based on arterial pulse data. It is integrated with the internet of things (IoT) via system on a chip to facilitate remote healthcare monitoring. Deep learning algorithms is further interfaced with sensor for early detect and predict cardiovascular risks, showing an accuracy of >94% for predicting cardiovascular status. This piezoelectric sensor equipped with artificial intelligence and IoT has potential for monitoring the risk analysis of the cardiovascular diseases, daily activities, and facilitate to early predict the anomalous physiological changes in the body.

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mentioning

confidence: 99%

Deep Learning Enabled Early Predicting Cardiovascular Status Using Highly Sensitive Piezoelectric Sensor of Solution‐Processable Nylon‐11

Babu¹,

Ranpariya

Sinha

et al. 2023

Adv Materials Technologies

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“…Structural design plays an important role in the construction of PCT-based piezoresistive pressure sensors, which can significantly boost their sensing performance. For example, inspired by the structure of Merkel receptors, Song et al 345 orthogonally weaved high-modulus silver/nylon threads onto a piece of low-modulus microstructured nonwoven fabric. Such a crossing-point structure could induce a high local stress concentration, leading to significant amplification of the pressure-sensing range and the enhancement of sensitivity (Figure 21e).…”

Section: Sensorsmentioning

confidence: 99%

Section: Wearable Devices Based On Pctsmentioning

confidence: 99%

Porous Conductive Textiles for Wearable Electronics

Ding,

Jiang,

et al. 2024

Chem. Rev.

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Over the years, researchers have made significant strides in the development of novel flexible/stretchable and conductive materials, enabling the creation of cutting-edge electronic devices for wearable applications. Among these, porous conductive textiles (PCTs) have emerged as an ideal material platform for wearable electronics, owing to their light weight, flexibility, permeability, and wearing comfort. This Review aims to present a comprehensive overview of the progress and state of the art of utilizing PCTs for the design and fabrication of a wide variety of wearable electronic devices and their integrated wearable systems. To begin with, we elucidate how PCTs revolutionize the form factors of wearable electronics. We then discuss the preparation strategies of PCTs, in terms of the raw materials, fabrication processes, and key properties. Afterward, we provide detailed illustrations of how PCTs are used as basic building blocks to design and fabricate a wide variety of intrinsically flexible or stretchable devices, including sensors, actuators, therapeutic devices, energy-harvesting and storage devices, and displays. We further describe the techniques and strategies for wearable electronic systems either by hybridizing conventional off-the-shelf rigid electronic components with PCTs or by integrating multiple fibrous devices made of PCTs. Subsequently, we highlight some important wearable application scenarios in healthcare, sports and training, converging technologies, and professional specialists. At the end of the Review, we discuss the challenges and perspectives on future research directions and give overall conclusions. As the demand for more personalized and interconnected devices continues to grow, PCT-based wearables hold immense potential to redefine the landscape of wearable technology and reshape the way we live, work, and play.

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“…The rich internal pore structure makes the fabric sensor have a medium pressure detection range but has the disadvantage of low sensitivity. 122,123 Hierarchical fiber network structure is usually constructed on the surface of single fiber network structure. Under pressure, the structure helps the contact sites between fibers to change quickly, greatly improving the sensitivity of the sensor.…”

Section: Multiple Microstructures (Mmss)mentioning

confidence: 99%

Recent progress in flexible pressure sensors based on multiple microstructures: from design to application

Zhao

Zhang

et al. 2023

Nanoscale

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Merkel receptor-inspired integratable and biocompatible pressure sensor with linear and ultrahigh sensitive response for versatile applications

Cited by 19 publications

References 43 publications

Deep Learning Enabled Early Predicting Cardiovascular Status Using Highly Sensitive Piezoelectric Sensor of Solution‐Processable Nylon‐11

Deep Learning Enabled Early Predicting Cardiovascular Status Using Highly Sensitive Piezoelectric Sensor of Solution‐Processable Nylon‐11

Porous Conductive Textiles for Wearable Electronics

Recent progress in flexible pressure sensors based on multiple microstructures: from design to application

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