Wearable Bio/Chemical Sensors for Healthcare Monitoring

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

Deadline for manuscript submissions: 31 July 2024 | Viewed by 1942

Special Issue Editor


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Guest Editor
Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 400714, China
Interests: electrochemical biosensors; FET biosensors; fluorescent sensors; nanopore devices for small molecules detection; nanomaterial synthesis

Special Issue Information

Dear Colleagues,

The ideal healthcare system should offer disease identification and treatment prior to the onset of the disease. The majority of medical diagnoses today depend on blood analysis in centralized laboratories that demand costly, labor-intensive clinical equipment and, more crucially, do not provide continuous monitoring capabilities. Patients who need quick medical diagnoses and care may be prevented from receiving these as a result. With the rapid advancements in nanotechnology, the topic of wearable bio/chemical sensors has recently attracted enormous attention worldwide because it can provide a unique solution to current medical problems by continuously monitoring physiological and/or biochemical markers, which is crucial for many chronic illnesses, neurological disorders, depression, and drug addiction. These wearable devices can be embedded in both textiles and the epidermis to evaluate sweat components in a non-invasive and unobtrusive manner. However, these devices have major hurdles in areas such as sweat collection, sensing array design, active materials, multiplexity, biocompatibility, air permeability, device stability, power consumption, real-time data transmission, and so on. By fulfilling all these tasks, it is expected that, in the near future, these wearable bioelectronics platforms will replace the traditional diagnostic medical devices, providing prompt response and warning in sufficient time for action, acceptable sensitivity and selectivity, and few false-positive and false negative results.

Dr. Chaker Tlili
Guest Editor

Manuscript Submission Information

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Keywords

  • wearable bio/chemical sensors
  • sweat
  • nanomaterials
  • electrochemical
  • field effect transistor
  • colorimetric
  • multiplexed
  • POCT

Published Papers (1 paper)

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Review

39 pages, 6209 KiB  
Review
Advances in Non-Electrochemical Sensing of Human Sweat Biomarkers: From Sweat Sampling to Signal Reading
by Mingpeng Yang, Nan Sun, Xiaochen Lai, Xingqiang Zhao and Wangping Zhou
Biosensors 2024, 14(1), 17; https://doi.org/10.3390/bios14010017 - 28 Dec 2023
Viewed by 1546
Abstract
Sweat, commonly referred to as the ultrafiltrate of blood plasma, is an essential physiological fluid in the human body. It contains a wide range of metabolites, electrolytes, and other biologically significant markers that are closely linked to human health. Compared to other bodily [...] Read more.
Sweat, commonly referred to as the ultrafiltrate of blood plasma, is an essential physiological fluid in the human body. It contains a wide range of metabolites, electrolytes, and other biologically significant markers that are closely linked to human health. Compared to other bodily fluids, such as blood, sweat offers distinct advantages in terms of ease of collection and non-invasive detection. In recent years, considerable attention has been focused on wearable sweat sensors due to their potential for continuous monitoring of biomarkers. Electrochemical methods have been extensively used for in situ sweat biomarker analysis, as thoroughly reviewed by various researchers. This comprehensive review aims to provide an overview of recent advances in non-electrochemical methods for analyzing sweat, including colorimetric methods, fluorescence techniques, surface-enhanced Raman spectroscopy, and more. The review covers multiple aspects of non-electrochemical sweat analysis, encompassing sweat sampling methodologies, detection techniques, signal processing, and diverse applications. Furthermore, it highlights the current bottlenecks and challenges faced by non-electrochemical sensors, such as limitations and interference issues. Finally, the review concludes by offering insights into the prospects for non-electrochemical sensing technologies. By providing a valuable reference and inspiring researchers engaged in the field of sweat sensor development, this paper aspires to foster the creation of innovative and practical advancements in this domain. Full article
(This article belongs to the Special Issue Wearable Bio/Chemical Sensors for Healthcare Monitoring)
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