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Chemosensors, Volume 12, Issue 10

October 2024 - 22 articles

Cover Story: We present a methodology for the quantitative chemical sensing of target materials in an inspected solution by employing bioluminescent bioreporters as the sensing apparatus. Variations in the signal between different bacteria batches and changing environmental conditions are overcome via an in situ comparison between the responses produced by the inspected solution and a standard solution containing a known concentration of the target material. An extension of the measurable concentration range is obtained by parallel measurements of the responses produced by several types of bacteria, each sensitive to a different segment of the concentration range. This methodology was implemented in a module in which the bioluminescence signals produced by bioreporters that are exposed to the inspected and standard solutions are monitored in parallel. View this paper

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Articles (22)

  • Article
  • Open Access
2 Citations
3,416 Views
19 Pages

A Portable Electronic Nose Coupled with Deep Learning for Enhanced Detection and Differentiation of Local Thai Craft Spirits

  • Supakorn Harnsoongnoen,
  • Nantawat Babpan,
  • Saksun Srisai,
  • Pongsathorn Kongkeaw and
  • Natthaphon Srisongkram

In this study, our primary focus is the biomimetic design and rigorous evaluation of an economically viable and portable ‘e-nose’ system, tailored for the precise detection of a broad range of volatile organic compounds (VOCs) in local Th...

  • Article
  • Open Access
3 Citations
1,705 Views
12 Pages

Polycyclic aromatic hydrocarbons (PAHs) are a group of organic compounds that are both toxic and hazardous to human health and ecological systems. In recent work, a novel analytical strategy based on the chemometric-assisted HPLC-DAD method was propo...

  • Article
  • Open Access
14 Citations
2,524 Views
15 Pages

Adsorption and Sensing Properties of Ni-Modified InSe Monolayer Towards Toxic Gases: A DFT Study

  • Jianhong Dong,
  • Xiaoqian Qiu,
  • Shuying Huang,
  • Shaomin Lin,
  • Lisha Liu and
  • Huihui Xiong

The emission of toxic gases from industrial production has intensified issues related to atmospheric pollution and human health. Consequently, the effective real-time monitoring and removal of these harmful gases have emerged as significant challenge...

  • Article
  • Open Access
7 Citations
2,007 Views
12 Pages

A Novel Mechanism Based on Oxygen Vacancies to Describe Isobutylene and Ammonia Sensing of p-Type Cr2O3 and Ti-Doped Cr2O3 Thin Films

  • Pengfei Zhou,
  • Jone-Him Tsang,
  • Chris Blackman,
  • Yanbai Shen,
  • Jinsheng Liang,
  • James A. Covington,
  • John Saffell and
  • Ehsan Danesh

Gas sensors based on metal oxide semiconductors (MOS) have been widely used for the detection and monitoring of flammable and toxic gases. In this paper, p-type Cr2O3 and Ti-doped Cr2O3 (CTO) thin films were synthesized using an aerosol-assisted chem...

  • Article
  • Open Access
1 Citations
1,754 Views
18 Pages

Tailoring Ruthenium(II) and Rhenium(I) Complexes for Turn-On Luminescent Sensing of Antimony(III)

  • Alexandre Vieira Silva,
  • Fabricio Ragone,
  • Gustavo Teodosio Ruiz and
  • Guillermo Orellana

Antimony (Sb) is currently a widespread element with key roles in telecommunication, sustainable energy, and military industries, among others. Its significant toxicity determines the need to realize sensors for water, air, and soil and the industria...

  • Communication
  • Open Access
3 Citations
1,589 Views
10 Pages

Construction of a Miniaturized Detector for Flow Injection Spectrophotometric Analysis

  • T. Alexandra Ferreira,
  • Mario Ordaz,
  • Jose A. Rodriguez,
  • M. Elena Paez-Hernandez and
  • Evelin Gutierrez

Analytical instrumentation is essential for chemical analysis in many fields, including biology and chemistry, but it can be costly and inaccessible to many educational institutions because it often requires expensive and sophisticated equipment. To...

  • Article
  • Open Access
4 Citations
2,100 Views
19 Pages

Electrochemical DNA sensors for DNA damage detection based on electroactive polymer poly(proflavine) (PPFL) that was synthesized at screen-printed carbon electrodes (SPCEs) from phosphate buffer (PB) and two natural deep eutectic solvents (NADESs) co...

  • Article
  • Open Access
1,830 Views
12 Pages

A Biomimetic Chip with Dendrimer-Encapsulated Platinum Nanoparticles for Enhanced Electrochemiluminescence Detection of Cardiac Troponin I

  • Yun Hui,
  • Weijun Kong,
  • Weiliang Shu,
  • Zhiting Peng,
  • Fengshan Shen,
  • Mingyang Jiang,
  • Zhen Xu,
  • Tianzhun Wu,
  • Wenhua Zhou and
  • Xue-Feng Yu

The measurement of cardiac troponin I (cTnI) is of vital importance for the early diagnosis of acute myocardial infarction. In this study, an enhanced electrochemiluminescent immunoassay for the highly sensitive and precise determination of cTnI was...

  • Article
  • Open Access
3 Citations
2,544 Views
13 Pages

SERS-Driven Ceftriaxone Detection in Blood Plasma: A Protein Precipitation Approach

  • Aradhana Dwivedi,
  • Oleg Ryabchykov,
  • Chen Liu,
  • Edoardo Farnesi,
  • Michael Stenbæk Schmidt,
  • Thomas Bocklitz,
  • Jürgen Popp and
  • Dana Cialla-May

Accurate detection of antibiotics in biological samples is essential for clinical diagnoses and therapeutic drug monitoring. This research examines how proteins and other substances in blood plasma affect the detection of the antibiotic ceftriaxone u...

  • Article
  • Open Access
3 Citations
1,967 Views
14 Pages

The Influence of Temperature on the Spatial Distribution of AuNPs on a Ceramic Substrate for Biosensing Applications

  • Yazmín Mariela Hernández-Rodríguez,
  • Esperanza Baños-López,
  • Pablo Damián-Matsumura,
  • Claudia Haydée González de la Rosa and
  • Oscar Eduardo Cigarroa-Mayorga

In this study, we investigated the spatial distribution and homogeneity of gold nanoparticles (AuNPs) on an alumina (Al2O3; AAO) substrate for potential application as surface-enhanced Raman scattering (SERS) sensors. The AuNPs were synthesized throu...

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Chemosensors - ISSN 2227-9040