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Sensors, Volume 19, Issue 22

November-2 2019 - 236 articles

Cover Story: We studied the photophysical behavior of a new luminogen. We confirmed the aggregation-induced emission (AIE) phenomenon with different approaches by using different solvent, viscosity, and forming micelles. In all cases, we observed a strong enhancement of the fluorescence produced by reducing the intrarotational mobility of the dye. Finally, we studied the rate of spontaneous incorporation of the dye into cells and observed the intracellular pattern produced by AIE. Interestingly, different intracellular compartments present strong differences in fluorescence intensity and fluorescence lifetime. We used this difference to isolate different intracellular regions to allow us to selectively study these regions. Finally, we have demonstrated the use of this luminogen in bioimaging with a mitochondria biomarker to analyze these organelles through their fluorescence lifetimes. View this paper.
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Articles (236)

  • Article
  • Open Access
20 Citations
3,533 Views
14 Pages

Design and CFD Analysis of the Fluid Dynamic Sampling System of the “MicroMED” Optical Particle Counter

  • Giuseppe Mongelluzzo,
  • Francesca Esposito,
  • Fabio Cozzolino,
  • Gabriele Franzese,
  • Alan Cosimo Ruggeri,
  • Carmen Porto,
  • Cesare Molfese,
  • Diego Scaccabarozzi and
  • Bortolino Saggin

19 November 2019

MicroMED is an optical particle counter that will be part of the ExoMars 2020 mission. Its goal is to provide the first ever in situ measurements of both size distribution and concentration of airborne Martian dust. The instrument samples Martian air...

  • Article
  • Open Access
16 Citations
3,167 Views
16 Pages

19 November 2019

In this paper, we investigate the auction-based secondary relay selection on overlay spectrum sharing in hybrid satellite–terrestrial sensor networks (HSTSNs), where both the decode-and-forward (DF) and amplify-and-forward (AF) relay protocols are an...

  • Article
  • Open Access
14 Citations
4,537 Views
12 Pages

Compact Inner-Wall Grating Slot Microring Resonator for Label-Free Sensing

  • Hongjun Gu,
  • He Gong,
  • Chunxue Wang,
  • Xiaoqiang Sun,
  • Xibin Wang,
  • Yunji Yi,
  • Changming Chen,
  • Fei Wang and
  • Daming Zhang

19 November 2019

In this paper, we present and analyze a compact inner-wall grating slot microring resonator (IG-SMRR) with the footprint of less than 13 μm × 13 μm on the silicon-on-insulator (SOI) platform for label-free sensing, which comprises a slot...

  • Article
  • Open Access
7 Citations
3,996 Views
20 Pages

Technology Support for Collaborative Preparation of Emergency Plans

  • Nelson Baloian,
  • Jonathan Frez,
  • Jose A. Pino,
  • Sergio Peñafiel,
  • Gustavo Zurita and
  • Alvaro Abarca

19 November 2019

Preparing a plan for reaction to a grave emergency is a significant first stage in disaster management. A group of experts can do such preparation. Best results are obtained with group members having diverse backgrounds and access to different releva...

  • Article
  • Open Access
6 Citations
3,182 Views
19 Pages

19 November 2019

Research in the area of security for Wireless Sensor Networks over the past two decades has yielded many interesting findings. We focus on the topic of (re-)securing link keys between sensor nodes through so-called secrecy amplification (SA) protocol...

  • Article
  • Open Access
3 Citations
3,590 Views
23 Pages

Multifunctional Medical Recovery and Monitoring System for the Human Lower Limbs

  • Adriana Comanescu,
  • Ileana Dugaesescu,
  • Doru Boblea and
  • Liviu Ungureanu

19 November 2019

In order to develop multifunctional medical recovery and monitoring equipment for the human lower limb, a new original mechanical structure with three degrees mobility has been created for the leg sagittal model. This mechanism is integrated in the e...

  • Article
  • Open Access
25 Citations
6,843 Views
26 Pages

19 November 2019

In this paper, we address Zero-shot learning for sensor activity recognition using word embeddings. The goal of Zero-shot learning is to estimate an unknown activity class (i.e., an activity that does not exist in a given training dataset) by learnin...

  • Article
  • Open Access
2 Citations
4,157 Views
13 Pages

19 November 2019

Driver disregard for the minimum safety distance increases the probability of rear-end collisions. In order to contribute to active safety on the road, we propose in this work a low-cost Forward Collision Warning system that captures and processes im...

  • Article
  • Open Access
4 Citations
3,318 Views
21 Pages

19 November 2019

In the application of the wireless sensor and robot networks (WSRNs), there is an urgent need to accommodate flexible surveillance tasks in intricate surveillance scenarios. On the condition of flexible surveillance missions and demands, event covera...

  • Article
  • Open Access
43 Citations
7,993 Views
20 Pages

Body Dimension Measurements of Qinchuan Cattle with Transfer Learning from LiDAR Sensing

  • Lvwen Huang,
  • Han Guo,
  • Qinqin Rao,
  • Zixia Hou,
  • Shuqin Li,
  • Shicheng Qiu,
  • Xinyun Fan and
  • Hongyan Wang

19 November 2019

For the time-consuming and stressful body measuring task of Qinchuan cattle and farmers, the demand for the automatic measurement of body dimensions has become more and more urgent. It is necessary to explore automatic measurements with deep learning...

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Sensors - ISSN 1424-8220