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Sensors, Volume 25, Issue 4

February-2 2025 - 291 articles

Cover Story: The human growth hormone (hGH) is a polypeptide hormone synthesized and secreted by the anterior pituitary gland, with excess levels linked to acromegaly-inducing pituitary adenomas and deficiencies associated with conditions such as short stature and Turner’s syndrome. This study explores the real-time biosensing of hGH using a microfluidic optical biosensor based on Reflectometric Interference Fourier Transform Spectroscopy (RIFTS). The platform features a nanoporous anodic alumina (NAA) monolayer, fabricated via two-step anodization to achieve 30–35 nm pores, later widened to 45 nm for enhanced sensitivity. Surface functionalization further improves selectivity toward hGH. The system exhibits a linear detection range of 12.5–100 µg/mL with a detection limit of 10.6 µg/mL, offering a cost-effective, rapid, and portable biosensing solution for clinical and diagnostic applications. View this paper
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Articles (291)

  • Article
  • Open Access
1,282 Views
21 Pages

19 February 2025

The frustrated total internal reflection (FTIR) optical fingerprint scanning method is widely used due to its cost-effectiveness. However, fingerprint image quality is highly dependent on fingertip surface conditions, with moisture generally consider...

  • Article
  • Open Access
3,238 Views
27 Pages

Quantum Variational vs. Quantum Kernel Machine Learning Models for Partial Discharge Classification in Dielectric Oils

  • José Miguel Monzón-Verona,
  • Santiago García-Alonso and
  • Francisco Jorge Santana-Martín

19 February 2025

In this paper, electrical discharge images are classified using AI with quantum machine learning techniques. These discharges were originated in dielectric mineral oils and were detected by a high-resolution optical sensor. The captured images were p...

  • Article
  • Open Access
6 Citations
3,030 Views
29 Pages

19 February 2025

Inertial Measurement Units (IMUs) are widely utilized in shoulder rehabilitation due to their portability and cost-effectiveness, but their reliance on spatial motion data restricts their use in comprehensive musculoskeletal analyses. To overcome thi...

  • Article
  • Open Access
826 Views
28 Pages

19 February 2025

In this work, we study the security performance of a double intelligent reflecting surface non-orthogonal multiple access (DIRS-NOMA) wireless communication system supporting communication for a group of two NOMA users (UEs) at the edge, with the exi...

  • Article
  • Open Access
1,532 Views
15 Pages

Effect of Difference of Sensory Modality in Cognitive Task on Postural Control During Quiet Stance

  • Yusuke Sakaki,
  • Naoya Hasegawa,
  • Ami Kawata,
  • Hiromasa Akagi,
  • Minori Sawada and
  • Hiroki Mani

19 February 2025

Cognitive loads impact postural control; however, the specific influence of sensory modalities employed in cognitive tasks during motor-cognitive dual tasks remains unclear. This study investigated the distinct effects of visual and auditory cognitiv...

  • Article
  • Open Access
1 Citations
2,069 Views
18 Pages

19 February 2025

Recognizing defect patterns in semiconductor wafer bin maps (WBMs) poses a critical challenge in the integrated circuit (IC) manufacturing industry. The accurate classification and segmentation of these defect patterns are of utmost significance as t...

  • Article
  • Open Access
1,026 Views
26 Pages

19 February 2025

In the process of diagnosing the inter-turn short circuit fault of the joint permanent magnet synchronous motor of an industrial robot, due to the small and sparse fault sample data, it is easy to misdiagnose, and it is difficult to quickly and accur...

  • Article
  • Open Access
3 Citations
1,224 Views
17 Pages

19 February 2025

Mental health assessment is typically carried out via a series of conversation sessions with medical professionals, where the overall aim is the diagnosis of mental illnesses and well-being evaluation. Despite its arguable socioeconomic significance,...

  • Article
  • Open Access
893 Views
22 Pages

19 February 2025

This paper aims to design the modulation strategy of SiC motor controller for vehicles with low EMI, low device loss and low voltage/current ripple. The equivalent evaluation model of input voltage, output current and switching loss of the inverter u...

  • Article
  • Open Access
4 Citations
2,601 Views
22 Pages

Toward Convenient and Accurate IMU-Based Gait Analysis

  • Mohamed Boutaayamou,
  • Doriane Pelzer,
  • Cédric Schwartz,
  • Sophie Gillain,
  • Gaëtan Garraux,
  • Jean-Louis Croisier,
  • Jacques G. Verly and
  • Olivier Brüls

19 February 2025

While inertial measurement unit (IMU)-based systems have shown their potential in quantifying medically significant gait parameters, it remains to be determined whether they can provide accurate and reliable parameters both across various walking con...

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Sensors - ISSN 1424-8220