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Chemosensors, Volume 7, Issue 1

March 2019 - 16 articles

Cover Story: Mycotoxins are secondary fungal metabolites that pose a serious threat to food safety. Conventional methods for their detection include gas or liquid chromatography coupled with mass spectrometry or other detectors, thin layer chromatography, and enzyme-linked immunosorbent assay. These techniques are straightforward and reliable; however, they are time-consuming, require extensive preparation steps and large-scale instrumentation, and employ hazardous chemicals. The rapid detection of mycotoxins is a challenge, and several studies have aimed at the development of faster, cheaper, and portable sensing devices. These include the use of microarray chips, multiplex lateral flow, and surface plasmon resonance, among others. Recently, thin-film sensors have emerged as a good candidate, and this review summarizes the use of such devices for mycotoxin detection in food matrices. View this paper
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Articles (16)

  • Article
  • Open Access
5 Citations
4,947 Views
11 Pages
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Impedance Study of Dopamine Effects after Application on 2D and 3D Neuroblastoma Cell Cultures Developed on a 3D-Printed Well

  • Georgia Paivana,
  • Theofylaktos Apostolou,
  • Sophie Mavrikou,
  • Dimitris Barmpakos,
  • Grigoris Kaltsas and
  • Spyridon Kintzios
Chemosensors2019, 7(1), 6;https://doi.org/10.3390/chemosensors7010006

5 February 2019

In this work, the assessment of the interactions of a bioactive substance applied to immobilized cells in either a two-dimensional (2D) or three-dimensional (3D) arrangement mimicking in vivo tissue conditions is presented. In particular, dopamine (D...

Full Article
  • Article
  • Open Access
5 Citations
7,736 Views
16 Pages
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Fluorescence-Based Detection of Benzene, Toluene, Ethylbenzene, Xylene, and Cumene (BTEXC) Compounds in Fuel-Contaminated Snow Environments

  • Dana J. DiScenza,
  • Lauren E. Intravaia,
  • Anna Healy,
  • Sage B. Dubrawski and
  • Mindy Levine
Chemosensors2019, 7(1), 5;https://doi.org/10.3390/chemosensors7010005

15 January 2019

Reported herein is the sensitive and selective cyclodextrin-promoted fluorescence detection of benzene, toluene, ethylbenzene, xylene, and cumene (BTEXC) fuel components in contaminated snow samples collected from several locations in the state of Rh...

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  • Review
  • Open Access
28 Citations
7,605 Views
23 Pages
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Thin Films Sensor Devices for Mycotoxins Detection in Foods: Applications and Challenges

  • Andréia O. Santos,
  • Andreia Vaz,
  • Paula Rodrigues,
  • Ana C. A. Veloso,
  • Armando Venâncio and
  • António M. Peres
Chemosensors2019, 7(1), 3;https://doi.org/10.3390/chemosensors7010003

4 January 2019

Mycotoxins are a group of secondary metabolites produced by different species of filamentous fungi and pose serious threats to food safety due to their serious human and animal health impacts such as carcinogenic, teratogenic and hepatotoxic effects....

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  • Article
  • Open Access
20 Citations
4,754 Views
12 Pages
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Electrochemically Prepared Unzipped Single Walled Carbon Nanotubes-MnO2 Nanostructure Composites for Hydrogen Peroxide and Glucose Sensing

  • A. B. M. Zakaria and
  • Danuta Leszczynska
Chemosensors2019, 7(1), 1;https://doi.org/10.3390/chemosensors7010001

3 January 2019

Amperometric hydrogen peroxide (H2O2) and glucose biosensors based on unzipped carbon nanotubes with modified glassy carbon electrode (GCE) have been successfully fabricated via a facile electrochemical oxidative method. In this work, we investigated...

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  • Article
  • Open Access
21 Citations
7,882 Views
14 Pages
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Real-Time Frequency Tracking of an Electro-Thermal Piezoresistive Cantilever Resonator with ZnO Nanorods for Chemical Sensing

  • Andi Setiono,
  • Jiushuai Xu,
  • Michael Fahrbach,
  • Maik Bertke,
  • Wilson Ombati Nyang’au,
  • Hutomo Suryo Wasisto and
  • Erwin Peiner
Chemosensors2019, 7(1), 2;https://doi.org/10.3390/chemosensors7010002

3 January 2019

The asymmetric resonance response in electro-thermal piezoresistive cantilever resonators causes a need of an optimization treatment for taking parasitic actuation-sensing effects into account. An electronic reference circuit for signal subtraction,...

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