Multichannel Flexible Pulse Perception Array for Intelligent Disease Diagnosis System

Article Chemistry, Multidisciplinary

Ultrafast-Response/Recovery Flexible Piezoresistive Sensors with DNA-Like Double Helix Yarns for Epidermal Pulse Monitoring

Jianming Chen et al.

Summary: By redesigning the yarn structure of textiles, the hysteresis issue in textile sensors is effectively addressed, resulting in a pressure sensor with superior recovery index, response time, and monitoring capabilities.

ADVANCED MATERIALS (2022)

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Article Multidisciplinary Sciences

Cuffless blood pressure monitoring from a wristband with calibration-free algorithms for sensing location based on bio-impedance sensor array and autoencoder

Bassem Ibrahim et al.

Summary: Continuous monitoring of blood pressure is crucial for predicting and preventing cardiovascular diseases. Cuffless blood pressure methods using non-invasive sensors in wearable devices can provide continuous blood pressure data. However, current wearable sensors have issues with accuracy, large size, and variation in sensor location, leading to reduced accuracy of blood pressure estimation. This study presents a cuffless blood pressure monitoring method using a novel bio-impedance sensor array in a small-form factor wristband, providing robust blood pulsatile sensing and blood pressure estimation without calibration. The method utilizes a convolutional neural network autoencoder to accurately estimate arterial pulse signals independent of sensor location and an Adaptive Boosting regression model to map the features of the estimated pulse signals to systolic and diastolic blood pressure readings. The results show accurate estimation of blood pressure with small average errors and high correlation coefficients.

SCIENTIFIC REPORTS (2022)

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Article Nanoscience & Nanotechnology

High-Porosity Foam-Based Iontronic Pressure Sensor with Superhigh Sensitivity of 9280 kPa-1

Qingxian Liu et al.

Summary: This study presents a simple strategy to fabricate an iontronic pressure sensor using open-cell polyurethane foams with high porosity as a continuous three-dimensional network skeleton loaded with ionic liquid. The resulting pressure sensor exhibits super high sensitivity, high pressure resolution, and remarkable mechanical stability. This research provides a simple, cost-effective, and scalable method for manufacturing highly sensitive pressure sensors.

NANO-MICRO LETTERS (2022)

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Article Nanoscience & Nanotechnology

Wearable multichannel pulse condition monitoring system based on flexible pressure sensor arrays

Jie Wang et al.

Summary: This study proposes a novel multichannel pulse monitoring platform based on traditional Chinese medical science pulse theory and wearable electronics. The platform enables 3-dimensional pulse mapping and compensates for the limitations of traditional single-point pulse sensors. It can measure pulse signals from different individuals with different conditions and provide full information on the temporal and spatial dimensions of a person's pulse waveform, resembling the true feelings of doctors' fingertips.

MICROSYSTEMS & NANOENGINEERING (2022)

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Article Engineering, Environmental

Reconstructed silk fibroin mediated smart wristband for physiological signal detection

Yifan Zhang et al.

Summary: This study achieved high sensitivity and biocompatibility sensors by incorporating Polyurethane into Silk fibroin, which can be used for wearable smart devices such as smart wristbands.

CHEMICAL ENGINEERING JOURNAL (2022)

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Review Biology

Wrist pulse signal acquisition and analysis for disease diagnosis: A review*

Chaoxun Guo et al.

Summary: This paper provides a systematic review of the latest advances in computational pulse diagnosis (CPD), including pulse signal acquisition, signal preprocessing, feature extraction, and signal recognition. It also highlights the need for datasets and benchmarks to further develop CPD.

COMPUTERS IN BIOLOGY AND MEDICINE (2022)

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Article Multidisciplinary Sciences

Two-stage amplification of an ultrasensitive MXene-based intelligent artificial eardrum

Guang-Yang Gou et al.

Summary: This study reports an artificial eardrum using MXene, which is highly sensitive and has a low detection limit. It can accurately classify voice signals and shows great potential for applications in wearable acoustical health care devices.

SCIENCE ADVANCES (2022)

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Article Computer Science, Information Systems

Multi-Dimensional Feature Combination Method for Continuous Blood Pressure Measurement Based on Wrist PPG Sensor

Pan Yao et al.

Summary: This paper presents a cuff-less blood pressure monitoring method based on photoplethysmogram (PPG) and utilizes feature combination and artificial neural network (ANN) for BP prediction. The experimental results show that the proposed method achieves good accuracy for the diverse population and can be used for daily BP monitoring.

IEEE JOURNAL OF BIOMEDICAL AND HEALTH INFORMATICS (2022)

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Review Engineering, Electrical & Electronic

Flexible Miniaturized Sensor Technologies for Long-Term Physiological Monitoring

Rongyan He et al.

Summary: Physiological monitoring technology has the potential to provide detailed information about health conditions and is essential for personalized healthcare. Flexible miniaturized sensors have been widely used for long-term monitoring of human wellness, but there are still challenges and promising prospects.

NPJ FLEXIBLE ELECTRONICS (2022)

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Article Chemistry, Multidisciplinary

Highly Sensitive Capacitive Pressure Sensors over a Wide Pressure Range Enabled by the Hybrid Responses of a Highly Porous Nanocomposite

Kyoung-Ho Ha et al.

Summary: Researchers have developed a new hybrid-response pressure sensor with increased sensitivity, achieved by combining electrically conductive porous nanocomposites with an ultrathin dielectric layer. Through simplified analytical models, they have successfully gained a fundamental understanding of the sensor and predicted optimal CNT doping.

ADVANCED MATERIALS (2021)

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Review Chemistry, Physical

Recent Progress in Flexible Microstructural Pressure Sensors toward Human-Machine Interaction and Healthcare Applications

Faliang He et al.

Summary: This article introduces the research status and application prospects of flexible microstructural pressure sensors in the context of rapid development of artificial intelligence, focusing on their microstructure design, preparation strategies, and material selection. The potential applications in the fields of medical health and human-machine interaction are emphasized.

SMALL METHODS (2021)

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Review Engineering, Electrical & Electronic

Recent Applications of Different Microstructure Designs in High Performance Tactile Sensors: A Review

Xuguang Sun et al.

Summary: Flexible tactile sensors have great potential in applications such as electronic skin, healthcare monitoring, and artificial intelligence. The key to improving the performance of tactile sensors lies in the design of microstructures, with different geometries offering distinct advantages. By classifying and comparing various microstructure shapes, valuable insights and references can be provided for the design and fabrication of tactile sensors.

IEEE SENSORS JOURNAL (2021)

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Review Chemistry, Physical

Recent developments of emerging inorganic, metal and carbon-based nanomaterials for pressure sensors and their healthcare monitoring applications

Kyowon Kang et al.

Summary: Flexible pressure sensors have gained significant research interest in bioelectronics due to their potential for monitoring organ conditions, early disease diagnosis, and precise medical treatment. Inorganic, metal, and carbon-based materials are commonly used to design novel structured pressure sensors with excellent properties, and it is expected that these sensors can lead to new approaches in human healthcare, such as tactile sensors, arterial pulse sensors, and intracranial pressure sensors.

NANO RESEARCH (2021)

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Review Medicine, General & Internal

Mobile Health in Remote Patient Monitoring for Chronic Diseases: Principles, Trends, and Challenges

Nora El-Rashidy et al.

Summary: Remote patient monitoring technology utilizes wearable sensors and communication protocols to monitor patient vital signs in real time, aiding physicians in making timely and accurate diagnostic and treatment decisions. Research based on literature from five databases confirms the effectiveness of remote patient monitoring technology in improving healthcare delivery, increasing diagnosis speed, and reducing costs.

DIAGNOSTICS (2021)

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Article Chemistry, Multidisciplinary

Bio-Inspired Hybrid Dielectric for Capacitive and Triboelectric Tactile Sensors with High Sensitivity and Ultrawide Linearity Range

Bing Ji et al.

Summary: By developing a novel hybrid dielectric inspired by human skin, high pressure-resolution and sensitivity up to 1000 kPa(-1) can be simultaneously achieved in flexible tactile sensors, ensuring linear behavior across a broad range.

ADVANCED MATERIALS (2021)

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Article Materials Science, Multidisciplinary

Effect of the shear field on the conductive percolated network formation in a nanoparticle filled polymer nanocomposites

Tiantian Li et al.

SOFT MATERIALS (2020)

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Review Materials Science, Multidisciplinary

Progress in achieving high-performance piezoresistive and capacitive flexible pressure sensors: A review

Wufan Chen et al.

JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY (2020)

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Article Chemistry, Multidisciplinary

Engineered Microstructure Derived Hierarchical Deformation of Flexible Pressure Sensor Induces a Supersensitive Piezoresistive Property in Broad Pressure Range

Gang Li et al.

ADVANCED SCIENCE (2020)

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Article Nanoscience & Nanotechnology

Designing Tunable Capacitive Pressure Sensors Based on Material Properties and Microstructure Geometry

Sara Rachel Arussy Ruth et al.

ACS APPLIED MATERIALS & INTERFACES (2020)

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Article Nanoscience & Nanotechnology

Flexible Capacitive Pressure Sensor Enhanced by Tilted Micropillar Arrays

Yongsong Luo et al.

ACS APPLIED MATERIALS & INTERFACES (2019)

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Article Chemistry, Multidisciplinary

Multi-Layered, Hierarchical Fabric-Based Tactile Sensors with High Sensitivity and Linearity in Ultrawide Pressure Range

Soonjae Pyo et al.

ADVANCED FUNCTIONAL MATERIALS (2019)

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Article Nanoscience & Nanotechnology

Flexible Tactile Electronic Skin Sensor with 3D Force Detection Based on Porous CNTs/PDMS Nanocomposites

Xuguang Sun et al.

NANO-MICRO LETTERS (2019)

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Article Nanoscience & Nanotechnology

Graphene Aerogel Broken to Fragments for a Piezoresistive Pressure Sensor with a Higher Sensitivity

Congxing Yang et al.

ACS APPLIED MATERIALS & INTERFACES (2019)

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Article Engineering, Biomedical

Highly Sensitive and Wearable Liquid Metal-Based Pressure Sensor for Health Monitoring Applications: Integration of a 3D-Printed Microbump Array with the Microchannel

Kyuyoung Kim et al.

ADVANCED HEALTHCARE MATERIALS (2019)

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Article Nanoscience & Nanotechnology

Anodized Aluminum Oxide-Assisted Low-Cost Flexible Capacitive Pressure Sensors Based on Double-Sided Nanopillars by a Facile Fabrication Method

Yunjian Guo et al.

ACS APPLIED MATERIALS & INTERFACES (2019)

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Article Nanoscience & Nanotechnology

Flexible, Tunable, and Ultrasensitive Capacitive Pressure Sensor with Microconformal Graphene Electrodes

Jun Yang et al.

ACS APPLIED MATERIALS & INTERFACES (2019)

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Article Chemistry, Physical

Self-powered flexible antibacterial tactile sensor based on triboelectric-piezoelectric-pyroelectric multi-effect coupling mechanism

Mingyuan Ma et al.

NANO ENERGY (2019)

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Article Chemistry, Multidisciplinary

Epidermis Microstructure Inspired Graphene Pressure Sensor with Random Distributed Spinosum for High Sensitivity and Large Linearity

Yu Pang et al.

ACS NANO (2018)

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Article Chemistry, Multidisciplinary

Human Pulse Diagnosis for Medical Assessments Using a Wearable Piezoelectret Sensing System

Yao Chu et al.

ADVANCED FUNCTIONAL MATERIALS (2018)

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Article Nanoscience & Nanotechnology

Bioinspired Microstructured Pressure Sensor Based on a Janus Graphene Film for Monitoring Vital Signs and Cardiovascular Assessment

Zhongqian Song et al.

ADVANCED ELECTRONIC MATERIALS (2018)

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Article Multidisciplinary Sciences

Wearable smart sensor systems integrated on soft contact lenses for wireless ocular diagnostics

Joohee Kim et al.

NATURE COMMUNICATIONS (2017)

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Article Chemistry, Multidisciplinary

Wearable Microfluidic Diaphragm Pressure Sensor for Health and Tactile Touch Monitoring

Yuji Gao et al.

ADVANCED MATERIALS (2017)

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Review Chemistry, Multidisciplinary

Lab-on-Skin: A Review of Flexible and Stretchable Electronics for Wearable Health Monitoring

Yuhao Liu et al.

ACS NANO (2017)

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Article Integrative & Complementary Medicine

The correlation between pulse diagnosis and constitution identification in traditional Chinese medicine

Han-Kuei Wu et al.

COMPLEMENTARY THERAPIES IN MEDICINE (2017)

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Article Nanoscience & Nanotechnology

Flexible, Highly Sensitive, and Wearable Pressure and Strain Sensors with Graphene Porous Network Structure

Yu Pang et al.

ACS APPLIED MATERIALS & INTERFACES (2016)

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Article Chemistry, Multidisciplinary

Linearly and Highly Pressure-Sensitive Electronic Skin Based on a Bioinspired Hierarchical Structural Array

Geun Yeol Bae et al.

ADVANCED MATERIALS (2016)

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Article Chemistry, Multidisciplinary

A Sensitive and Biodegradable Pressure Sensor Array for Cardiovascular Monitoring

Clementine M. Boutry et al.

ADVANCED MATERIALS (2015)

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Review Integrative & Complementary Medicine

An objective review of the technological developments for radial pulse diagnosis in Traditional Chinese Medicine

Rosemarie Velik

EUROPEAN JOURNAL OF INTEGRATIVE MEDICINE (2015)

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Article Chemistry, Multidisciplinary

Silk-Molded Flexible, Ultrasensitive, and Highly Stable Electronic Skin for Monitoring Human Physiological Signals

Xuewen Wang et al.

ADVANCED MATERIALS (2014)

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Article Chemistry, Multidisciplinary

Highly Stretchable Resistive Pressure Sensors Using a Conductive Elastomeric Composite on a Micropyramid Array

Chwee-Lin Choong et al.

ADVANCED MATERIALS (2014)

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Article Biology

How to standardize the pulse-taking method of traditional Chinese medicine pulse diagnosis

Yu-Feng Chung et al.

COMPUTERS IN BIOLOGY AND MEDICINE (2013)

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Article Integrative & Complementary Medicine

Stringlike Pulse Quantification Study by Pulse Wave in 3D Pulse Mapping

Ching-Hsing Luo et al.

JOURNAL OF ALTERNATIVE AND COMPLEMENTARY MEDICINE (2012)

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Article Integrative & Complementary Medicine

Possibility of quantifying TCM finger-reading sensations: I. Bi-Sensing Pulse Diagnosis Instrument

Ching-Hsing Luo et al.

EUROPEAN JOURNAL OF INTEGRATIVE MEDICINE (2012)

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Article Peripheral Vascular Disease

Clinical measurement of arterial stiffness obtained from noninvasive pressure waveforms

WW Nichols

AMERICAN JOURNAL OF HYPERTENSION (2005)

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Multichannel Flexible Pulse Perception Array for Intelligent Disease Diagnosis System

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