Wearable Sensors and Biosensors for Physiological Signals Measurement

A special issue of Biosensors (ISSN 2079-6374). This special issue belongs to the section "Wearable Biosensors".

Deadline for manuscript submissions: 1 May 2026 | Viewed by 998

Special Issue Editor


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Guest Editor
School of Life Science, Nantong University, Nantong, Nantong 226019, China
Interests: plant pathology; electrochemical sensors; colorimetric sensor; paper-based devices

Special Issue Information

Dear Colleagues,

Wearable biosensors are rapidly transforming the monitoring of physiological signals in both animals and plants, enabling unprecedented direct insights into health, stress, and performance in natural or operational environments. For humans and animals, miniaturized, flexible, and wireless biosensor devices can be attached to the skin or fur, which can continuously track vital signs like heart rate, blood pressure, and some biochemical markers (e.g., glucose, lactate, cortisol, pH) to reflect the status of the body. Recently, similar "wearable" sensing concepts are being pioneered for the plants. Flexible electronic patches or minimally invasive probes are attached to the leaves, stems, or fruits of plants. These devices are used to monitor crucial plant physiology parameters such as sap flow velocity and pressure (indicating transpiration, water stress, and nutrient transport), phloem loading, xylem conductivity, leaf surface humidity, temperature, and even the detection of specific phytochemicals or stress hormones released under biotic or abiotic stress. The data stream from these plant wearables offers valuable real-time feedback for precision agriculture (optimizing irrigation, fertilization, harvest, and early disease detection), moving physiological monitoring far beyond the confines of the laboratory. Overall, this Special Issue serves as a comprehensive resource for understanding the current landscape and future prospects of wearable sensors and biosensors for physiological signals measurement and their applications.

Prof. Dr. Lijun Sun
Guest Editor

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Keywords

  • wearable sensors
  • wearable biosensors
  • monitoring
  • physiological signals
  • living organisms

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Published Papers (1 paper)

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Research

13 pages, 2147 KB  
Article
Preliminary Study Using Wearable Near-Infrared Spectroscopy for Continuous Monitoring of Hemodynamics Through the Carotid Artery
by Nisha Maheshwari, Alessandro Marone, Lokesh Sharma, Stephen Kim, Albert Favate and Andreas H. Hielscher
Biosensors 2025, 15(8), 549; https://doi.org/10.3390/bios15080549 - 20 Aug 2025
Viewed by 725
Abstract
Non-invasive, continuous monitoring of carotid artery hemodynamics may provide valuable insights on cerebral blood perfusion (CBP). Near-infrared spectroscopy (NIRS) is a non-invasive modality that may be a good candidate for real-time carotid artery monitoring. We designed a wearable NIRS system to monitor the [...] Read more.
Non-invasive, continuous monitoring of carotid artery hemodynamics may provide valuable insights on cerebral blood perfusion (CBP). Near-infrared spectroscopy (NIRS) is a non-invasive modality that may be a good candidate for real-time carotid artery monitoring. We designed a wearable NIRS system to monitor the left and right radial and carotid arteries in 20 healthy subjects. The changes in total hemoglobin concentration (HbT) and tissue oxygen saturation (StO2) in all 80 arteries were continuously monitored in response to changes in oxygen supply. Wilcoxon non-parametric equivalence testing was used to compare changes in the radial (reference) and carotid arteries. The system-derived HbT and StO2 trends matched the expected physiological responses over time in the radial and carotid arteries. The mean peak-to-peak amplitude [uM] of HbT during sustained deep breathing was practically equivalent between the left radial (0.9 ± 0.8) and left carotid (1.6 ± 1.1) arteries (p = 0.01). The mean peak-to-peak amplitude [%] of StO2 was practically equivalent between the left radial (0.3 ± 0.2) and left carotid (0.3 ± 0.2) arteries (p < 0.001) and the right radial (0.4 ± 0.5) and right carotid (0.5 ± 0.4) arteries (p = 0.001). These findings indicate that NIRS may be a good option for monitoring the carotid arteries to track changes in CBP. Full article
(This article belongs to the Special Issue Wearable Sensors and Biosensors for Physiological Signals Measurement)
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