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A Polyaniline-based Sensor of Nucleic Acids
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Colorimetric acetone sensor based on ionic liquid functionalized drug-mediated silver nanostructures.

Muhammad Asad1, Nawshad Muhammad2, Naeem Khan1

  • 1Department of Chemistry, Kohat University of Science and Technology, Kohat 26000, KP, Pakistan.

Journal of Pharmaceutical and Biomedical Analysis
|September 26, 2022
PubMed
Summary
This summary is machine-generated.

This study developed a novel sensor using drug-mediated silver nanoparticles (AgNPs) functionalized with ionic liquid (IL) for accurate acetone detection. The sensor offers high sensitivity and selectivity, successfully applied to diabetic urine samples.

Keywords:
AcetoneColorimetric sensorDrug mediated synthesisIonic liquidSilver NPs

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Area of Science:

  • Nanotechnology
  • Analytical Chemistry
  • Biomedical Sensing

Background:

  • Silver nanoparticles (AgNPs) synthesis and functionalization are crucial for developing advanced sensing materials.
  • Ionic liquids (ILs) offer unique properties like conductivity and aromaticity, enhancing nanoparticle performance.
  • Acetone detection is vital for diagnosing conditions like diabetes.

Purpose of the Study:

  • To synthesize and characterize drug-mediated AgNPs functionalized with IL for acetone determination.
  • To develop a sensitive and selective colorimetric sensor for acetone.
  • To validate the sensor's efficacy in real-world samples, including diabetic patient urine.

Main Methods:

  • Drug-mediated synthesis of AgNPs using Augmentin, followed by functionalization with 1-H-3-methylimidazolium acetate IL.
  • Characterization of synthesized nanoparticles using FTIR, XRD, SEM, and EDX.
  • Colorimetric acetone detection via UV-Vis spectrophotometry using eosin dye as a substrate and IL-capped AgNPs as a reducing agent.

Main Results:

  • The IL-capped AgNPs demonstrated effective colorimetric acetone detection, with a color change from brown to transparent.
  • Optimized sensor parameters yielded a wide linear range (1 × 10⁻⁸–2.40 × 10⁻⁶ M), low limit of detection (2.66 × 10⁻⁹ M), and limit of quantification (8.86 × 10⁻⁹ M).
  • The sensor exhibited high sensitivity and selectivity, with an R² value of 0.997, and was successfully applied to diabetic urine samples.

Conclusions:

  • The developed IL-capped AgNPs provide a cost-effective and stable platform for acetone sensing.
  • The sensor offers a promising tool for rapid and reliable acetone detection in biological samples.
  • This approach highlights the potential of combining drug-mediated synthesis and IL functionalization for advanced analytical applications.