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Sensors, Volume 18, Issue 9

2018 September - 431 articles

Cover Story: Whispering gallery mode (WGM) resonators have become increasingly diverse in terms of both architecture and applications, especially as refractometric sensors, allowing for unprecedented levels of sensitivity. However, like every refractometric sensor, a single WGM resonator cannot distinguish temperature variations from changes in surrounding refractive index (RI). Here, we investigate how breaking the symmetry of an otherwise perfect fluorescent microsphere, by covering half of the resonator with a high-RI glue, enables discrimination of temperature changes from variations in the surrounding RI. Our results open the door to simple self-referenced sensing techniques based on the analysis of split modes. View Paper here
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Articles (431)

  • Article
  • Open Access
47 Citations
7,938 Views
14 Pages

19 September 2018

This paper presents the bandwidth enhancement and frequency scanning for fan beam array antenna utilizing novel technique of band-pass filter integration for wireless vital signs monitoring and vehicle navigation sensors. First, a fan beam array ante...

  • Article
  • Open Access
7 Citations
4,696 Views
21 Pages

Air-Coupled Excitation of a Slow A0 Mode Wave in Thin Plastic Films by an Ultrasonic PMN-32%PT Array

  • Rymantas J. Kazys,
  • Liudas Mazeika,
  • Reimondas Sliteris and
  • Justina Sestoke

19 September 2018

Ultrasonic non-destructive testing techniques (NDT) based on the application of guided waves are already used for inspection of plate-type structures made of various materials, including composite materials. Air-coupled ultrasonic techniques are used...

  • Article
  • Open Access
14 Citations
6,042 Views
21 Pages

Robust Step Counting for Inertial Navigation with Mobile Phones

  • Germán Rodríguez,
  • Fernando E. Casado,
  • Roberto Iglesias,
  • Carlos V. Regueiro and
  • Adrián Nieto

19 September 2018

Mobile phones are increasingly used for purposes that have nothing to do with phone calls or simple data transfers, and one such use is indoor inertial navigation. Nevertheless, the development of a standalone application able to detect the displacem...

  • Article
  • Open Access
10 Citations
5,138 Views
13 Pages

Feature Extraction from Indirect Monitoring in Marine Oil Separation Systems

  • Graciliano Nicolás Marichal,
  • Deivis Ávila,
  • Ángela Hernández,
  • Isidro Padrón and
  • Cristina Castejón

19 September 2018

In this article, a study of characteristic vibrations of marine oils separation system is presented. Vibrations analysis allows for the extraction of representative features that could be related to the lifetime of their pieces. Actual measurements w...

  • Article
  • Open Access
18 Citations
8,361 Views
10 Pages

A Disposable and Multi-Chamber Film-Based PCR Chip for Detection of Foodborne Pathogen

  • Nam Ho Bae,
  • Sun Young Lim,
  • Younseong Song,
  • Soon Woo Jeong,
  • Seol Yi Shin,
  • Yong Tae Kim,
  • Tae Jae Lee,
  • Kyoung G. Lee,
  • Seok Jae Lee and
  • Yoo Min Park
  • + 1 author

19 September 2018

Since the increment of the threat to public health caused by foodborne pathogens, researches have been widely studied on developing the miniaturized detection system for the on-site pathogen detection. In the study, we focused on the development of p...

  • Article
  • Open Access
6 Citations
7,084 Views
35 Pages

NovaGenesis Applied to Information-Centric, Service-Defined, Trustable IoT/WSAN Control Plane and Spectrum Management

  • Antônio Marcos Alberti,
  • Marília Martins Bontempo,
  • José Rodrigo Dos Santos,
  • Arismar Cerqueira Sodré and
  • Rodrigo Da Rosa Righi

19 September 2018

We integrate, for the first time in the literature, the following ingredients to deal with emerging dynamic spectrum management (DSM) problem in heterogeneous wireless sensors and actuators networks (WSANs), Internet of things (IoT) and Wi-Fi: (i) na...

  • Feature Paper
  • Article
  • Open Access
28 Citations
7,264 Views
10 Pages

19 September 2018

We demonstrate the fabrication of novel reduced graphene oxide (rGO)-based double network (DN) hydrogels through the polymerization of poly(N-isopropylacrylamide) (PNIPAm) and carboxymethyl chitosan (CMC). The facile synthesis of DN hydrogels include...

  • Article
  • Open Access
47 Citations
8,479 Views
16 Pages

Wireless Sensor Networks for Long-Term Monitoring of Urban Noise

  • Courtney Peckens,
  • Cédric Porter and
  • Taylor Rink

19 September 2018

Noise pollution in urban environments is becoming increasingly common and it has potential to negatively impact people’s health and decrease overall productivity. In order to alleviate these effects, it is important to better quantify noise pat...

  • Feature Paper
  • Article
  • Open Access
16 Citations
6,521 Views
12 Pages

Indirect Microcontact Printing to Create Functional Patterns of Physisorbed Antibodies

  • Augusto Juste-Dolz,
  • Miquel Avella-Oliver,
  • Rosa Puchades and
  • Angel Maquieira

19 September 2018

Microcontact printing (µCP) is a practical and versatile approach to create nanostructured patterns of biomolecular probes, but it involves conformational changes on the patterned bioreceptors that often lead to a loss on the biological activit...

  • Article
  • Open Access
6 Citations
4,269 Views
26 Pages

19 September 2018

Visual landmarks are important navigational aids for research into and design of applications for last mile pedestrian navigation, e.g., business card route of pedestrian navigation. The business card route is a route between a fixed origin (e.g., ca...

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Sensors - ISSN 1424-8220