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Sensors, Volume 23, Issue 15

August-1 2023 - 364 articles

Cover Story: The versatility of corrole complexes has raised interest in the use of these molecules as elements of chemical sensors. However, their scarce conductivity limits the development of simple conductometric sensors and requires the use of optical or mass transducers that are rather more cumbersome and less prone to be integrated into microelectronics systems. Herewith, we introduce two heterostructure sensors combining lutetium bisphthalocyanine with either pentafluorophenyl- or methoxyphenyl-substituted copper corrole complexes. The difference in electronic effects induces opposite responses with respect to ammonia, with n-type or p-type behaviors. Both devices are capable of detecting ammonia down to 10 ppm at room temperature, with a high but reversible sensitivity with respect to relative humidity. View this paper
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Articles (364)

  • Article
  • Open Access
10 Citations
2,389 Views
20 Pages

Unveiling the Dynamics of Thermal Characteristics Related to LULC Changes via ANN

  • Yasir Hassan Khachoo,
  • Matteo Cutugno,
  • Umberto Robustelli and
  • Giovanni Pugliano

7 August 2023

Continuous and unplanned urbanization, combined with negative alterations in land use land cover (LULC), leads to a deterioration of the urban thermal environment and results in various adverse ecological effects. The changes in LULC and thermal char...

  • Article
  • Open Access
2 Citations
2,471 Views
21 Pages

7 August 2023

Face recognition has become an integral part of modern security processes. This paper introduces an optimization approach for the quantile interval method (QIM), a promising classifier learning technique used in face recognition to create face templa...

  • Article
  • Open Access
1 Citations
2,234 Views
26 Pages

Investigation of Accuracy of TOA and SNR of Radio Pulsar Signals for Vehicles Navigation

  • Hristo Kabakchiev,
  • Vera Behar,
  • Dorina Kabakchieva,
  • Valentin Kisimov and
  • Kamelia Stefanova

7 August 2023

It is known that X-ray and gamma-ray pulsars can only be observed by spacecraft because signals from these pulsars are impossible to be detected on the Earth’s surface due to their strong absorption by the Earth’s atmosphere. The article...

  • Article
  • Open Access
4 Citations
2,524 Views
23 Pages

Enhanced Dual Convolutional Neural Network Model Using Explainable Artificial Intelligence of Fault Prioritization for Industrial 4.0

  • Sekar Kidambi Raju,
  • Seethalakshmi Ramaswamy,
  • Marwa M. Eid,
  • Sathiamoorthy Gopalan,
  • Amel Ali Alhussan,
  • Arunkumar Sukumar and
  • Doaa Sami Khafaga

7 August 2023

Artificial intelligence (AI) systems are increasingly used in corporate security measures to predict the status of assets and suggest appropriate procedures. These programs are also designed to reduce repair time. One way to create an efficient syste...

  • Article
  • Open Access
46 Citations
4,046 Views
17 Pages

Frequency-Selective Surface-Based MIMO Antenna Array for 5G Millimeter-Wave Applications

  • Iftikhar Ud Din,
  • Mohammad Alibakhshikenari,
  • Bal S. Virdee,
  • Renu Karthick Rajaguru Jayanthi,
  • Sadiq Ullah,
  • Salahuddin Khan,
  • Chan Hwang See,
  • Lukasz Golunski and
  • Slawomir Koziel

7 August 2023

In this paper, a radiating element consisting of a modified circular patch is proposed for MIMO arrays for 5G millimeter-wave applications. The radiating elements in the proposed 2 × 2 MIMO antenna array are orthogonally configured relative to...

  • Article
  • Open Access
4 Citations
4,919 Views
19 Pages

7 August 2023

Using remote sensing images to identify crop plots and estimate crop planting area is an important part of agricultural remote sensing monitoring. High-resolution remote sensing images can provide rich information regarding texture, tone, shape, and...

  • Article
  • Open Access
8 Citations
4,173 Views
16 Pages

Estimation of Reference Evapotranspiration in a Semi-Arid Region of Mexico

  • Gerardo Delgado-Ramírez,
  • Martín Alejandro Bolaños-González,
  • Abel Quevedo-Nolasco,
  • Adolfo López-Pérez and
  • Juan Estrada-Ávalos

7 August 2023

Reference evapotranspiration (ET0) is the first step in calculating crop irrigation demand, and numerous methods have been proposed to estimate this parameter. FAO-56 Penman–Monteith (PM) is the only standard method for defining and calculating...

  • Article
  • Open Access
8 Citations
2,592 Views
16 Pages

Analysis of the Correlation between Frontal Alpha Asymmetry of Electroencephalography and Short-Term Subjective Well-Being Changes

  • Betty Wutzl,
  • Kenji Leibnitz,
  • Daichi Kominami,
  • Yuichi Ohsita,
  • Michiko Kaihotsu and
  • Masayuki Murata

7 August 2023

Subjective well-being (SWB) describes how well people experience and evaluate their current condition. Previous studies with electroencephalography (EEG) have shown that SWB can be related to frontal alpha asymmetry (FAA). While those studies only co...

  • Article
  • Open Access
5 Citations
3,285 Views
13 Pages

Ionospheric Weather at Two Starlink Launches during Two-Phase Geomagnetic Storms

  • Tamara Gulyaeva,
  • Manuel Hernández-Pajares and
  • Iwona Stanislawska

7 August 2023

The launch of a series of Starlink internet satellites on 3 February 2022 (S-36), and 7 July 2022 (S-49), coincided with the development of two-phase geomagnetic storms. The first launch S-36 took place in the middle of the moderate two-phase space w...

  • Article
  • Open Access
6 Citations
2,628 Views
15 Pages

7 August 2023

Soil salinization is a major obstacle to land productivity, crop yield and crop quality in arid areas and directly affects food security. Soil profile salt data are key for accurately determining irrigation volumes. To explore the potential for using...

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Sensors - ISSN 1424-8220