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Flexible epidermal wearable sensor for Athlete's sweat biomarkers monitoring.
Talanta
January 2025
Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, Key Laboratory of Nanobiosensing and Nanobioanalysis at Universities of Jilin Province, Analysis and Testing Center, Department of Chemistry, Northeast Normal University, Changchun, Jilin Province, 130024, China. Electronic address:
Wearable sweat sensors hold great promise for the monitoring of athletic sweat biomarkers that are reflective of physical status and the inimitable feature of wearable sensors to conduct dynamic sweat analysis in situ. However, the preparative methods of wearable patches for monitoring athlete's biomarkers are often complicated. Here, we demonstrate the first example of "sports lab-on-skin" as a fully integrated epidermal sweat sensor through simple laser engraving and laser cutting methods, which enables on-body and wirelessly measuring sweat Na, sweat K, sweat lactate, and initial sweat rate for physical status assessment.
View Article and Find Full Text PDFSunflower-Inspired Superhydrophobic Surface with Composite Structured Microcone Array for Anisotropy Liquid/Ice Manipulation.
Small
December 2024
School of Mechanical Engineering and Automation, Beihang University, Beijing, 10091, China.
Article Synopsis
- - The text discusses the creation of a specialized surface called a nanoneedle-modified microcone array surface (NMAS), inspired by sunflower microcones, designed for controlling the motion of droplets.
- - This surface features adjustable geometric properties and can facilitate various droplet movements, including bouncing and directional transport, using advanced laser techniques.
- - Potential applications for this technology include self-cleaning surfaces, improved drug delivery systems, and anti-icing solutions, showcasing its versatility in various fields.
Electrochemical detection of nitrofurazone using laser-engraved three-electrode graphene array.
Anal Chim Acta
August 2024
Hubei Province Key Laboratory of Biotechnology of Chinese Traditional Medicine, College of Health Science and Engineering, Hubei University, Wuhan, 430062, China; School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China. Electronic address:
Background: Nitrofurazone (NFZ) is a widely-used antimicrobial agent in aquaculture. The NFZ residue can be transmitted to humans through the food chain, and cause adverse health effects including carcinogenesis and teratogenesis. Until now, a number of modified electrodes have been developed for NFZ detection, however, there are some issues that need to be improved.
View Article and Find Full Text PDFEvolution of Naturally Dried MXene-Based Composite Aerogels with Flash Joule Annealing for Large-Scale Production of Highly Sensitive Customized Sensors.
Adv Mater
August 2024
National Laboratory of Solid State Microstructures, Department of Physics, Nanjing University, Nanjing, 210093, P. R. China.
MXene aerogels, known for good electrical properties, offer immense potential for the development of high-sensitivity pressure sensors. However, the intrinsic challenges stemming from the poor self-assembly capability and high hydrophilicity of MXene impede the natural drying process of MXene-based hydrogels, thereby constraining their application on a large scale in sensor technology. Herein, a graphene-assisted approach aimed at modulating the hydrophobicity and enhancing framework strength of MXene through a well-designed prefreezing technique incorporating 3D spherical macroporous structures is proposed.
View Article and Find Full Text PDFGraphene Nanocomposite Ink Coated Laser Transformed Flexible Electrodes for Selective Dopamine Detection and Immunosensing.
ACS Appl Bio Mater
May 2024
The University of Texas at Rio Grande Valley, Edinburg, Texas 78539, United States.
Novel and flexible disposable laser-induced graphene (LIG) sensors modified with graphene conductive inks have been developed for dopamine and interleukin-6 (IL-6) detection. The LIG sensors exhibit high reproducibility (relative standard deviation, RSD = 0.76%, = 5) and stability (RSD = 4.
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