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14 Results Found

  • Article
  • Open Access
34 Citations
7,401 Views
19 Pages

25 November 2017

We report on a new localized surface plasmon resonance (LSPR)-based optical fiber (OF) architecture with a potential in sensor applications. The LSPR-OF system is fabricated by immobilizing gold nanoparticles (GNPs) in a hydrogel droplet polymerized...

(This article belongs to the Special Issue Surface Plasmon Resonance Sensing)
  • Article
  • Open Access
19 Citations
5,195 Views
21 Pages

19 March 2020

In this paper, a novel hybrid damage detection system is proposed, which utilizes piezoelectric actuators for guided wave excitation and a new fibre optic (FO) sensor based on Fabry-Perot (FP) and Fiber Bragg Grating (FBG). By replacing the FBG senso...

(This article belongs to the Section Optical Sensors)
  • Article
  • Open Access
1 Citations
1,214 Views
13 Pages

20 February 2026

Freezing of gait (FoG) affects 38–65% of advanced Parkinson’s disease patients, yet automated detection algorithms are often validated solely on laboratory datasets. This study quantifies the critical performance gap between laboratory an...

(This article belongs to the Special Issue Advancing Human Gait Monitoring with Wearable Sensors)
  • Article
  • Open Access
7 Citations
3,694 Views
19 Pages

New Chung-Li Ionosonde in Taiwan: System Description and Preliminary Results

  • Kai-Jun Ke,
  • Ching-Lun Su,
  • Ruey-Ming Kuong,
  • Hsyang-Chan Chen and ,
  • Hung-Shi Lin,
  • Po-Hsun Chiu,
  • Ching-Yuan Ko and
  • Yen-Hsyang Chu
  • + 3 authors+ 0 author

15 April 2022

In spite of being interrupted several times in its long history of operation since 1950, the routine observation of the ionosphere with various ionosondes installed at the Chung-Li ionosphere station in Taiwan has been achieved successively for more...

  • Article
  • Open Access
20 Citations
3,986 Views
25 Pages

1 July 2022

For 15 years, the Gravity Recovery and Climate Experiment (GRACE) mission have monitored total water storage (TWS) changes. The GRACE mission ended in October 2017, and 11 months later, the GRACE Follow-On (GRACE-FO) mission was launched in May 2018....

  • Article
  • Open Access
9 Citations
3,767 Views
22 Pages

2 July 2025

The construction of transition rules is the core and difficulty faced by the cellular automata (CA) model. Dynamic mining of transition rules can more accurately simulate urban land use change. By introducing a graph attention network (GAT) to mine C...

(This article belongs to the Special Issue Advances in Methods and Techniques for Satellite Image Processing and Analysis)
  • Article
  • Open Access
3 Citations
1,301 Views
17 Pages

Resonant DC-DC converters are a class of strongly nonlinear systems with rich nonlinear phenomena. In order to describe the dynamic behavior of resonant DC-DC converters more accurately, the nonlinear dynamic behavior of fractional order (FO) resonan...

  • Article
  • Open Access
956 Views
24 Pages

Development of an Artificial Intelligence-Based System for Evaluating Transthoracic Echocardiographic Imaging in Focus Cardiac Ultrasonography

  • Daigo Ikeda,
  • Sanshiro Togo,
  • Shogo Tsuge,
  • Shu Ohya and ,
  • Yuki Sugiura,
  • Masaya Honda,
  • Taiki Hosokawa,
  • Kenshin Suzuki,
  • Katsumasa Nakamura and
  • Takeji Saitoh
  • + 7 authors+ 2 authors

Background/Objectives: Transthoracic echocardiography (TTE) is a non-invasive tool for real-time assessment of cardiac motion and blood flow. It is widely used in emergency and bedside settings as a Focus Cardiac Ultrasound (FoCUS) device. However, s...

(This article belongs to the Special Issue Deep Learning Techniques for Medical Image Analysis)
  • Article
  • Open Access
550 Views
30 Pages

12 June 2026

Radio occultation (RO) has become a key technique for monitoring the ionosphere by deriving electron density (Ne) profiles and total electron content (TEC) from GNSS signals. This study assesses the newly deployed PlanetiQ GNOMES constellation by val...

(This article belongs to the Section Satellite Missions for Earth and Planetary Exploration)
  • Article
  • Open Access
5 Citations
3,440 Views
31 Pages

Neuronal Count, Brain Injury, and Sustained Cognitive Function in 5×FAD Alzheimer’s Disease Mice Fed DHA-Enriched Diets

  • Cristina de Mello-Sampayo,
  • Mafalda Soares Pádua,
  • Maria Rosário Silva,
  • Maria Lourenço and ,
  • Rui M. A. Pinto,
  • Sandra Carvalho,
  • Jorge Correia,
  • Cátia F. Martins,
  • Romina Gomes and
  • Paula A. Lopes
  • + 9 authors+ 4 authors

14 August 2025

Alzheimer’s disease (AD) is the most common form of dementia, affecting over 50 million people globally. Since 1906, efforts to understand this neurodegenerative disease and to develop effective treatments have continued to this day. Recognizin...

(This article belongs to the Section Cellular Biochemistry)
  • Article
  • Open Access
272 Views
20 Pages

MPTP-Induced D1R-Dependent Dysregulation of Ventral Hippocampal Newborn Cell Pools and Associated Alterations in the Hypothalamic–Pituitary–Adrenal Axis

  • Tingting Di,
  • Kai Zhang,
  • Qian Ru,
  • Wenxuan Yin and ,
  • Yilin Jin,
  • Ling Chen and
  • Hualing Li
  • + 2 authors+ 0 author

12 October 2026

Objective: This study investigated how dopaminergic (DAergic) depletion-induced ventral hippocampal neurogenesis triggers hypothalamic–pituitary–adrenal (HPA) axis hyperactivity. Methods: Three-month-old male C57BL/6 mice were subjected t...

  • Article
  • Open Access
13 Citations
3,939 Views
33 Pages

19 May 2022

Rural revitalization places higher demands on the productive–living–ecological (P-L-E) spaces of towns and cities. It is necessary, therefore, to identify, evaluate, and optimize P-L-E spaces to better guide spatial planning. Existing stu...

  • Article
  • Open Access
793 Views
28 Pages

22 May 2026

The Gravity Recovery and Climate Experiment (GRACE) mascon data relies on minor gravitational field variations to map terrestrial water storage anomaly (TWSA). However, the coarse spatial resolution of three degrees by three degrees restricts their a...

  • Article
  • Open Access
16 Citations
6,798 Views
19 Pages

20 October 2021

Precise knowledge of the phase center location of the global navigation satellite system (GNSS) antenna is a prerequisite for precise orbit determination (POD) of the low Earth orbit (LEO) satellite. The phase center offset (PCO) and phase center var...

(This article belongs to the Special Issue BDS/GNSS for Earth Observation)