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Worth your sweat: wearable microfluidic flow rate sensors for meaningful sweat analytics.
Lab Chip
January 2025
Antwerp Engineering, Photoelectrochemistry and Sensing (A-PECS), University of Antwerp, Groenenborgerlaan 171, 2020 Antwerp, Belgium.
Wearable microfluidic sweat sensors could play a major role in the future of monitoring health and wellbeing. Sweat contains biomarkers to monitor health and hydration status, and it can provide information on drug intake, making it an interesting non-invasive alternative to blood. However, sweat is not created in excess, and this requires smart sweat collection strategies to handle small volumes.
View Article and Find Full Text PDFThe sense of safety theoretical framework: a trauma-informed and healing-oriented approach for whole person care.
Front Psychol
January 2025
School of Population Health, Faculty of Medicine, The University of Queensland, Brisbane, QLD, Australia.
Objectives: This research describes four aspects of the development of the Sense of Safety Theoretical Framework for whole person care: exploring the meaning of the phrase "sense of safety"-the whole person ; the range of human experience that impacts sense of safety-whole person ; the dynamics that build sense of safety-the healing ; and the personal and cross-disciplinary trauma-informed practitioner that facilitate sense of safety.
Methods: This qualitative participatory study was conducted in two phases. Researchers iteratively explored the concept of sense of safety using focus groups and semi-structured interviews.
Flexible infrared image fiber bundles (FBs) are capable of delivering thermal images of areas that are difficult for ordinary thermal cameras to access while making the imaging systems compact and lightweight. Thus, FB-based thermal imaging systems show great potential in some important applications, such as infrared endoscopy, aircraft infrared warning, and satellite remote sensing. In most applications, FBs are required to have high overall transmittance (OT) and high spatial resolution (), but the fabrication of such high-performance FBs is still a challenge.
View Article and Find Full Text PDFUsing a single optical microfiber (OM) sensor for multi-parameter sensing can lead to significant demodulation error due to ill-conditioned matrices and nonlinear response characteristics. To address these issues, this paper proposes a novel specially packaged optical microfiber coupler combined with a silver mirror (OMCM). OMCM is combined with a mechanically enhanced sensitivity fiber Bragg grating (FBG) to form a temperature-pressure sensor.
View Article and Find Full Text PDFFiber-optic vibration sensors have been studied widely owing to their anti-electromagnetic interference, corrosion resistance, and ease of integration and distribution. Previous reports primarily focused on the frequency detection of vibration signals. However, the amplitude sensitivity, noise-equivalent amplitude (NEA), and stability determine the sensing precision and accuracy of the device.
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