Sensors, Vol. 24, Pages 2903: Advancements in Polymer-Assisted Layer-by-Layer Fabrication of Wearable Sensors for Health Monitoring
ng-Te Lin
Li Fu
Recent advancements in polymer-assisted layer-by-layer (LbL) fabrication have revolutionized the development of wearable sensors for health monitoring. LbL self-assembly has emerged as a powerful and versatile technique for creating conformal, flexible, and multi-functional films on various substrates, making it particularly suitable for fabricating wearable sensors. The incorporation of polymers, both natural and synthetic, has played a crucial role in enhancing the performance, stability, and biocompatibility of these sensors. This review provides a comprehensive overview of the principles of LbL se...
Source: Sensors - May 1, 2024 Category: Biotechnology Authors: Meiqing Jin Peizheng Shi Zhuang Sun Ningbin Zhao Mingjiao Shi Mengfan Wu Chen Ye Cheng-Te Lin Li Fu Tags: Review Source Type: research
Sensors, Vol. 24, Pages 2905: YOLOv8-MU: An Improved YOLOv8 Underwater Detector Based on a Large Kernel Block and a Multi-Branch Reparameterization Module
wen Zhang
Underwater visual detection technology is crucial for marine exploration and monitoring. Given the growing demand for accurate underwater target recognition, this study introduces an innovative architecture, YOLOv8-MU, which significantly enhances the detection accuracy. This model incorporates the large kernel block (LarK block) from UniRepLKNet to optimize the backbone network, achieving a broader receptive field without increasing the model’s depth. Additionally, the integration of C2fSTR, which combines the Swin transformer with the C2f module, and the SPPFCSPC_EMA module, which blends Cross...
Source: Sensors - May 1, 2024 Category: Biotechnology Authors: Xing Jiang Xiting Zhuang Jisheng Chen Jian Zhang Yiwen Zhang Tags: Article Source Type: research
Sensors, Vol. 24, Pages 2904: Recent Trends and Innovations in Bead-Based Biosensors for Cancer Detection
Chuang
Demand is strong for sensitive, reliable, and cost-effective diagnostic tools for cancer detection. Accordingly, bead-based biosensors have emerged in recent years as promising diagnostic platforms based on wide-ranging cancer biomarkers owing to the versatility, high sensitivity, and flexibility to perform the multiplexing of beads. This comprehensive review highlights recent trends and innovations in the development of bead-based biosensors for cancer-biomarker detection. We introduce various types of bead-based biosensors such as optical, electrochemical, and magnetic biosensors, along with their respective ...
Source: Sensors - May 1, 2024 Category: Biotechnology Authors: Hui-Pin Cheng Tai-Hua Yang Jhih-Cheng Wang Han-Sheng Chuang Tags: Review Source Type: research
Sensors, Vol. 24, Pages 2892: Are Gait Patterns during In-Lab Running Representative of Gait Patterns during Real-World Training? An Experimental Study
This study sought to test how well real-world gait patterns are represented by in-lab gait data in two cohorts of runners equipped with consumer-grade wearable sensors measuring speed, step length, vertical oscillation, stance time, and leg stiffness. Cohort 1 (N = 49) completed an in-lab treadmill run plus five real-world runs of self-selected distances on self-selected courses. Cohort 2 (N = 19) completed a 2.4 km outdoor run on a known course plus five real-world runs of self-selected distances on self-selected courses. The degree to which in-lab gait reflected real-world gait was quantified using univariate overlap and...
Source: Sensors - May 1, 2024 Category: Biotechnology Authors: John J. Davis Stacey A. Meardon Andrew W. Brown John S. Raglin Jaroslaw Harezlak Allison H. Gruber Tags: Article Source Type: research
Sensors, Vol. 24, Pages 2893: Multi-Sensor Device for Traceable Monitoring of Indoor Environmental Quality
lomeo Montrucchio
Anna Pellegrino
Gabriele Piccablotto
Giuseppina Emma Puglisi
Gustavo Ramirez-Espinosa
Erica Raviola
Antonio Servetti
Louena Shtrepi
The Indoor Environmental Quality (IEQ) combines thermal, visual, acoustic, and air-quality conditions in indoor environments and affects occupants’ health, well-being, and comfort. Performing continuous monitoring to assess IEQ is increasingly proving to be important, also due to the large amount of time that people spend in closed spaces. In the present study, the design, development, and metrological characterization of a low-cost multi-senso...
Source: Sensors - May 1, 2024 Category: Biotechnology Authors: Virginia Isabella Fissore Giuseppina Arcamone Arianna Astolfi Alberto Barbaro Alessio Carullo Pietro Chiavassa Marina Clerico Stefano Fantucci Franco Fiori Davide Gallione Edoardo Giusto Alice Lorenzati Nicole Mastromatteo Bartolomeo Montrucchio Anna Pell Tags: Article Source Type: research
Sensors, Vol. 24, Pages 2895: Hybrid Anomaly Detection in Time Series by Combining Kalman Filters and Machine Learning Models
ric Sax
Due to connectivity and automation trends, the medical device industry is experiencing increased demand for safety and security mechanisms. Anomaly detection has proven to be a valuable approach for ensuring safety and security in other industries, such as automotive or IT. Medical devices must operate across a wide range of values due to variations in patient anthropometric data, making anomaly detection based on a simple threshold for signal deviations impractical. For example, surgical robots directly contacting the patient’s tissue require precise sensor data. However, since the deformation of...
Source: Sensors - May 1, 2024 Category: Biotechnology Authors: Andreas Puder Moritz Zink Luca Seidel Eric Sax Tags: Article Source Type: research
Sensors, Vol. 24, Pages 2894: Effects of the Flying Start on Estimated Short Sprint Profiles Using Timing Gates
Laszlo Ratgeber
Short sprints are predominantly assessed using timing gates and analyzed through parameters of the mono-exponential equation, including estimated maximal sprinting speed (MSS) and relative acceleration (TAU), derived maximum acceleration (MAC), and relative propulsive maximal power (PMAX), further referred to as the No Correction model. However, the frequently recommended flying start technique introduces a bias during parameter estimation. To correct this, two additional models (Estimated TC and Estimated FD) were proposed. To estimate model precision and sensitivity to detect the change, 31 basketba...
Source: Sensors - May 1, 2024 Category: Biotechnology Authors: Mladen Jovanovi ć Dimitrije Cabarkapa H åkan Andersson Dora Nagy Nenad Trunic Vladimir Bankovic Aleksandar Zivkovic Richard Repasi Sandor Safar Laszlo Ratgeber Tags: Article Source Type: research
Sensors, Vol. 24, Pages 2896: YOLOv8-RMDA: Lightweight YOLOv8 Network for Early Detection of Small Target Diseases in Tea
Tong Li
In order to efficiently identify early tea diseases, an improved YOLOv8 lesion detection method is proposed to address the challenges posed by the complex background of tea diseases, difficulty in detecting small lesions, and low recognition rate of similar phenotypic symptoms. This method focuses on detecting tea leaf blight, tea white spot, tea sooty leaf disease, and tea ring spot as the research objects. This paper presents an enhancement to the YOLOv8 network framework by introducing the Receptive Field Concentration-Based Attention Module (RFCBAM) into the backbone network to replace C2f, thereby improv...
Source: Sensors - May 1, 2024 Category: Biotechnology Authors: Rong Ye Guoqi Shao Yun He Quan Gao Tong Li Tags: Article Source Type: research
Sensors, Vol. 24, Pages 2883: Design of High-Precision Driving Control System for Charge Management
Zhi Wang
Due to the interaction of accumulated charges on the surface of a test mass with the surrounding electric and magnetic fields, the performance of inertial sensors is affected, necessitating charge management for the test mass. Discharge technology based on Ultraviolet LEDs is internationally recognized as the optimal solution for charge management. Precision driving of Ultraviolet LEDs is considered a key technology in charge management. This paper presents the driving control system used for Ultraviolet LEDs, achieving precision pulse-width-modulation-type current output with controllable pulse width and amp...
Source: Sensors - April 30, 2024 Category: Biotechnology Authors: Yang Wang Boyan Lv Tao Yu Longqi Wang Zhi Wang Tags: Article Source Type: research
Sensors, Vol. 24, Pages 2884: A Volumetric Waveguide-Type Rotman Lens Antenna for Three-Dimensional Millimeter-Wave Beamforming
Oh
In this paper, a volumetric Rotman lens antenna operating at 28 GHz is proposed. The design formula and procedure were derived for the 3-D Rotman lens antenna. The number of tilted beams is 3 × 3. The six rectangular blocks are assembled using a metallic bolt. The input port consists of a waveguide, and the output port is made of an open-ended waveguide. The input and output waveguides are drilled in a flat conducting plate. The input and output port positions are optimized. Simulated and measured results show that the radiating beam is controlled almost exactly as calculated. Compared with the previo...
Source: Sensors - April 30, 2024 Category: Biotechnology Authors: Dong-Woo Kim Soon-Soo Oh Tags: Communication Source Type: research
Sensors, Vol. 24, Pages 2885: 3U CubeSat-Based Hyperspectral Remote Sensing by Offner Imaging Hyperspectrometer with Radially-Fastened Primary Elements
v
Kazanskiy
Soifer
This paper presents findings from a spaceborne Earth observation experiment utilizing a novel, ultra-compact hyperspectral imaging camera aboard a 3U CubeSat. Leveraging the Offner optical scheme, the camera’s hyperspectrometer captures hyperspectral images of terrestrial regions with a 200 m spatial resolution and 12 nanometer spectral resolution across a 400 to 1000 nanometer wavelength range, covering 150 channels in the visible and near-infrared spectrums. The hyperspectrometer is specifically designed for deployment on a 3U CubeSat nanosatellite platform, featuring a robust a...
Source: Sensors - April 30, 2024 Category: Biotechnology Authors: Ivliev Podlipnov Petrov Tkachenko Ivanushkin Fomchenkov Markushin Skidanov Khanenko Nikonorov Kazanskiy Soifer Tags: Article Source Type: research
Sensors, Vol. 24, Pages 2887: Subcranial Encephalic Temnograph-Shaped Helmet For Brain Stroke Monitoring
Solimene
In this contribution, a wearable microwave imaging system for real-time monitoring of brain stroke in the post-acute stage is described and validated. The system exploits multistatic/multifrequency (only 50 frequency samples) data collected via a low-cost and low-complexity architecture. Data are collected by an array of only 16 antennas moved by pneumatic system. Phantoms, built from ABS material and filled with appropriate Triton X-100-based mixtures to mimic the different head human tissues, are employed for the experiments. The microwave system exploits the differential scattering measures and the Incohere...
Source: Sensors - April 30, 2024 Category: Biotechnology Authors: Antonio Cuccaro Angela Dell ’Aversano Bruno Basile Maria Antonia Maisto Raffaele Solimene Tags: Article Source Type: research
Sensors, Vol. 24, Pages 2888: Fourier Transform Infrared (FT-IR) Spectroscopy and Simple Algorithm Analysis for Rapid and Non-Destructive Assessment of Cotton Fiber Maturity and Crystallinity for Plant Mapping
Zeng
Information on boll distribution within a cotton plant is critical to evaluate the adaptation and response of cotton plants to environmental and biotic stress in cotton production. Cotton researchers have applied available conventional fiber measurements, such as the high volume instrument (HVI) and advanced fiber information system (AFIS), to map the location and the timing of boll development and distribution within plants and further to determine within-plant variability of cotton fiber properties. Both HVI and AFIS require numerous cotton bolls combined for the measurement. As an alternative approach, attenu...
Source: Sensors - April 30, 2024 Category: Biotechnology Authors: Kim Liu Zeng Tags: Article Source Type: research
Sensors, Vol. 24, Pages 2886: A Study on the Maximum Reliability of Multi-UAV Cooperation Relay Systems
ping Li
This paper studies the maximum reliability of multi-hop relay UAVs, in which UAVs provide wireless services for remote users as a coded cooperative relay without an end-to-end direct communication link. In this paper, the analytical expressions of the total power loss and total bit error rate are derived as reliability measures. First, based on the environmental statistical parameters, a LOS probability model is proposed. Then, the problem of minimizing the bit error rate of static and mobile UAVs is studied. The goal is to minimize the total bit error rate by jointly optimizing the height, elevation, power and...
Source: Sensors - April 30, 2024 Category: Biotechnology Authors: Ning Ning Suiping Zhou Weimin Bao Xiaoping Li Tags: Article Source Type: research
Sensors, Vol. 24, Pages 2889: FusionVision: A Comprehensive Approach of 3D Object Reconstruction and Segmentation from RGB-D Cameras Using YOLO and Fast Segment Anything
em Nouira
In the realm of computer vision, the integration of advanced techniques into the pre-processing of RGB-D camera inputs poses a significant challenge, given the inherent complexities arising from diverse environmental conditions and varying object appearances. Therefore, this paper introduces FusionVision, an exhaustive pipeline adapted for the robust 3D segmentation of objects in RGB-D imagery. Traditional computer vision systems face limitations in simultaneously capturing precise object boundaries and achieving high-precision object detection on depth maps, as they are mainly proposed for RGB cameras. To ad...
Source: Sensors - April 30, 2024 Category: Biotechnology Authors: Safouane El Ghazouali Youssef Mhirit Ali Oukhrid Umberto Michelucci Hichem Nouira Tags: Article Source Type: research
