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Chemosensors, Volume 13, Issue 6

June 2025 - 28 articles

Cover Story: Early-stage detection of gastric cancer is crucial, as late diagnosis remains a major cause of mortality. Tumor biomarkers such as CA12-5, CA72-4, HER1, and AFP offer valuable insights for diagnosis and treatment monitoring. This study presents three novel 3D stochastic sensors using graphite, graphene, and nanographene modified with an oleamide for the simultaneous detection and quantification of these four biomarkers in whole blood, saliva, urine, and gastric tumor tissue. The graphene-based sensor showed the best performance, with high sensitivity, wide linear ranges, and an RSD below 1%, offering a promising tool for fast, multiplexed, and point-of-care cancer screening. View this paper
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Articles (28)

  • Article
  • Open Access
1,624 Views
19 Pages

Simultaneous molecular recognition and quantification of at least four biomarkers in biological samples may contribute to early and fast diagnosis of illnesses such as cancer. The electrodes able to reliably perform on-site these tests are the stocha...

  • Review
  • Open Access
2 Citations
2,808 Views
30 Pages

The development of functional biosensors is rapidly advancing in response to the growing demand for personalized and continuous healthcare monitoring. Two-dimensional (2D) nanostructured materials have attracted significant attention for next-generat...

  • Article
  • Open Access
1,302 Views
14 Pages

Sensitive Gold Nanostar-Based Adsorption Sensor for the Determination of Dexamethasone

  • Riccarda Thelma MacDonald,
  • Keagan Pokpas,
  • Emmanuel Iwuoha and
  • Candice Cupido

Herein, a novel, highly efficient electrochemical adsorption method is introduced for detection of the potent anti-inflammatory synthetic corticosteroid, dexamethasone (DEX). Unlike conventional electrochemical techniques that rely on high reduction...

  • Article
  • Open Access
1 Citations
1,005 Views
16 Pages

Air-Assisted Liquid–Liquid Microextraction (AALLME) as an Alternative Sample Pre-Treatment for Isolating Tetrahydrocannabinol (THC) from Hair

  • Laura Blanco-García,
  • Pamela Cabarcos-Fernández,
  • Iván Álvarez-Freire,
  • María Jesús Tabernero-Duque,
  • Antonio Moreda-Piñeiro and
  • Ana María Bermejo-Barrera

Cannabis remains the most widely used illicit drug worldwide, identifying it is a routine procedure in forensic toxicology. Due to its widespread use, there is a need for analytical methods that can detect it in biological samples. Hair is of particu...

  • Article
  • Open Access
2 Citations
1,920 Views
15 Pages

Glutamine is an essential biomolecule that plays a pivotal role in many diseases, such as cancer, where it can serve as fuel for rapid proliferation. Treatments for these diseases can be monitored and optimized through the detection of glutamine, tho...

  • Review
  • Open Access
1 Citations
2,925 Views
25 Pages

Drink spiking is a significant public safety issue, often linked to crimes such as theft and sexual assault. The detection of drugs used in these incidents is challenging due to the low concentrations (<ng) and complex matrices involved. This revi...

  • Review
  • Open Access
3,166 Views
36 Pages

This review aims to summarize possible methods for the detection of limonene in the gas phase at low to very low concentrations. Limonene has historically been of interest as a fragrance in cosmetics, the food industry, pharmaceutics, and the product...

  • Article
  • Open Access
1,197 Views
18 Pages

Tea contains bioactive components that provide many health benefits, but overdoses can also cause health problems related to fluorosis, among other things. The analysis of tea quality is complicated due to its diverse chemical composition, and also d...

  • Article
  • Open Access
2,030 Views
27 Pages

The colour degradation of murals presents a significant challenge in the conservation of architectural heritage. Previous research has often concentrated on localized pigment changes while paying insufficient attention to the interaction between colo...

  • Article
  • Open Access
2 Citations
1,704 Views
16 Pages

The growing global burden of diabetes necessitates the development of glucose sensors that are not only reliable and sensitive but also cost-effective and amenable to point-of-care use. In this work, we report a non-enzymatic electrochemical glucose...

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Chemosensors - ISSN 2227-9040Creative Common CC BY license