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Related Concept Videos

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Related Experiment Video

Updated: Jul 3, 2026

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Multilevel Anti-counterfeiting Barcode with Enhanced Information Encryption Based on Stimulus-Responsive Digital

Xiaoman Huang1, Zhishan Liang1, Xiaojie Yang1

  • 1College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China.

ACS Applied Materials & Interfaces
|July 17, 2024
PubMed
Summary

A new trilevel anti-counterfeiting system uses digital polymers and stimulus-responsive materials to create a secure Quick Response (QR) code. This advanced barcode offers reversible visibility and smartphone scanning for enhanced brand protection.

Keywords:
anti-counterfeitingdigital polymersquick response codestimulus-responsive chromophoretandem mass spectrometry

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Area of Science:

  • Materials Science
  • Chemistry
  • Information Security

Background:

  • Increasing technological and socioeconomic advancements have led to sophisticated counterfeiting challenges.
  • Existing anti-counterfeiting measures often lack multi-layered security and advanced verification capabilities.

Purpose of the Study:

  • To develop a novel trilevel anti-counterfeiting system for enhanced security and brand protection.
  • To integrate digital polymers with stimulus-responsive chromophores and Quick Response (QR) codes for a robust security solution.

Main Methods:

  • Development of a trilevel anti-counterfeiting system incorporating digital polymers, QR codes, and stimulus-responsive chromophores (rhodamine B, rhodamine 6G, spiropyran).
  • Implementation of specific stimuli to reveal the concealed QR code for smartphone scanning (first and second levels of security).
  • Utilizing tandem mass spectrometry for deciphering encrypted information within the digital polymers (third level of security).

Main Results:

  • Successful creation of a trilevel anti-counterfeiting system with concealed and stimulus-responsive QR code functionality.
  • Demonstration of smartphone-scannable barcodes with reversible visibility.
  • Validation of tandem mass spectrometry for secure decryption of polymer-embedded information.

Conclusions:

  • The developed trilevel anti-counterfeiting system offers superior security compared to traditional single-level methods.
  • This innovative approach provides reversible visibility and a complex verification process, enhancing brand authenticity protection.
  • The system presents new concepts and techniques for high-security anti-counterfeiting materials and data storage applications.