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Chemosensors, Volume 12, Issue 2

February 2024 - 13 articles

Cover Story: The artificial olfactory image was proposed by Lundström et al. in 1991 as a new strategy for an electronic nose system that generated a two-dimensional mapping to be interpreted as a fingerprint of the detected gas species. The potential distribution generated via the catalytic metals integrated into a semiconductor field-effect structure was read as a photocurrent signal generated by scanned light pulses. The impact of the proposed technology spread beyond gas sensing, inspiring the development of various imaging modalities to obtain spatial maps of pH, ions, molecules, and impedance. Light-addressing technologies have also been developed to realize the position control of a faradaic current on the electrode surface for localized electrochemical reactions and amperometric measurements and to realize the flow control of liquids in microfluidic devices. View this paper
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Articles (13)

  • Article
  • Open Access
11 Citations
3,224 Views
16 Pages
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Analysis of Polyphenol Patterns of Pleurotus ostreatus Cultivars by UHPLC-ESI-MS/MS; Application of FT-NIR and Chemometric Methods, Classification Options

  • Anna Matkovits,
  • Marietta Fodor and
  • Zsuzsa Jókai
Chemosensors2024, 12(2), 19;https://doi.org/10.3390/chemosensors12020019

26 January 2024

The nutritional properties of Pleurotus mushrooms were studied to select the varieties with the most favourable properties. These mushrooms have high nutritional value; they are rich in carbohydrates, protein, minerals, vitamins, chitin and reducing...

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  • Article
  • Open Access
3 Citations
2,737 Views
11 Pages
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Rapid Assessment of Extractability of Macronutrients from Yerba Mate (Illex paraguariensis) Leaves Based on Laser-Induced Breakdown Spectroscopy

  • Diego Díaz Pace,
  • Juan Molina and
  • Corina Iris Rodríguez
Chemosensors2024, 12(2), 18;https://doi.org/10.3390/chemosensors12020018

25 January 2024

Leaves of yerba mate plant (Ilex paraguariensis) have a wealth of nutrients, ingested by people who drink them in the hot water infusion popularly known as mate. In the present work, the laser-induced breakdown spectroscopy (LIBS) technique was appli...

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  • Article
  • Open Access
11 Citations
3,607 Views
14 Pages
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Two-Dimensional Tellurium Nanosheets for the Efficient Nonenzymatic Electrochemical Detection of H2O2

  • Amit Kumar Shringi,
  • Rajeev Kumar,
  • Netanya F. Dennis and
  • Fei Yan
Chemosensors2024, 12(2), 17;https://doi.org/10.3390/chemosensors12020017

23 January 2024

This study reports, for the first time, the utilization of two-dimensional (2D) tellurium (Te) nanosheets for the efficient nonenzymatic detection of hydrogen peroxide (H2O2). H2O2 acts as a pivotal biomarker with widespread applications across envir...

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