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Related Experiment Video

Updated: Mar 10, 2026

Iridium Oxide-reduced Graphene Oxide Nanohybrid Thin Film Modified Screen-printed Electrodes as Disposable Electrochemical Paper Microfluidic pH Sensors
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Flexible and Disposable Sensing Platforms Based on Newspaper.

MinHo Yang1, Soon Woo Jeong1, Sung Jin Chang2

  • 1Nanobio Application Team, National NanoFab Center (NNFC) , Daejeon 34141, Republic of Korea.

ACS Applied Materials & Interfaces
|December 16, 2016
PubMed
Summary
This summary is machine-generated.

Researchers developed a cost-effective, flexible sensing platform using newspaper coated with parylene C (P-paper). This P-paper enables high-performance DNA hybridization detection of pathogenic E. coli O157:H7 for point-of-care diagnostics.

Keywords:
Paperbiosensorelectrochemical electrodefoodborne pathogenparylene C

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Area of Science:

  • Materials Science
  • Biotechnology
  • Environmental Science

Background:

  • Flexible sensing platforms are crucial for portable devices in healthcare, environmental monitoring, and diagnostics.
  • Developing cost-effective and sustainable materials for these platforms is essential.

Purpose of the Study:

  • To demonstrate a simple, scalable, and cost-effective method for fabricating flexible sensing electrodes using waste newspaper.
  • To evaluate the performance of these electrodes for detecting pathogenic bacteria via DNA hybridization.

Main Methods:

  • Newspaper was coated with parylene C to create a stable, flexible material (P-paper).
  • P-paper electrodes were fabricated and utilized for DNA hybridization assays.
  • The platform was tested for the detection of pathogenic E. coli O157:H7.

Main Results:

  • The parylene C coating enhanced the mechanical and chemical stability of the newspaper substrate.
  • The P-paper electrodes demonstrated high-performance capabilities for DNA hybridization.
  • Successful detection of pathogenic E. coli O157:H7 was achieved using the P-paper platform.

Conclusions:

  • The P-paper fabrication strategy offers a sustainable and economical approach to creating flexible sensing platforms.
  • These disposable P-paper electrodes show significant potential for developing point-of-care biosensors for pathogen detection.