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Related Concept Videos

Understanding Deception01:14

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Deception is a pervasive aspect of human communication. Empirical studies have shown that most individuals engage in some form of deceit on a daily basis, with approximately 20% of social exchanges involving deceptive elements. Lying follows a developmental trajectory, peaking during adolescence and declining with age, possibly due to the maturation of cognitive control and social accountability.Cognitive and Social Factors in Deception DetectionDespite its prevalence, accurately detecting...
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The thermodynamic processes can be classified into reversible and irreversible processes. The processes that can be restored to their initial state are called reversible processes. It is only possible if the process is in quasi-static equilibrium, i.e., it takes place in infinitesimally small steps, and the system remains at equilibrium However, these are ideal processes and do not occur naturally. An ideal system undergoing a reversible process is always in thermodynamic equilibrium within...
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Related Experiment Video

Updated: Jan 13, 2026

Demonstration of Spin-Multiplexed and Direction-Multiplexed All-Dielectric Visible Metaholograms
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Multidimensional Integration of Reversible Dynamic Information Enables Advanced Anticounterfeiting.

Hairui Deng1, Siqi Liu1, Fengbiao Chen1

  • 1State Key Laboratory of Advanced Fiber Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, P. R. China.

ACS Applied Materials & Interfaces
|October 29, 2025
PubMed
Summary

This study introduces a new method for advanced anticounterfeiting using stimuli-responsive polymers. By integrating different polymers, it creates dynamic, multilevel security features with enhanced information storage capacity.

Keywords:
dynamic anticounterfeitingfunctional moleculesinformation storagemulticolored changesmultistimuli-responsive polymersorthogonally combine

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Area of Science:

  • Materials Science
  • Polymer Chemistry
  • Nanotechnology

Background:

  • Stimuli-responsive polymers are key in anticounterfeiting but face challenges with signal interference.
  • Existing multilevel strategies suffer from low information resolution due to compatibility issues.

Purpose of the Study:

  • To develop a novel strategy for enhancing anticounterfeiting by integrating dynamic information.
  • To overcome limitations of current methods by leveraging orthogonal, non-interfering multistimuli responses.

Main Methods:

  • Integrating distinct stimuli-responsive polymers into a module matrix for multilevel information storage.
  • Incorporating diverse functional molecules into polymer backbones for multicolored responses.
  • Utilizing orthogonal combinations of stimuli-responsive polymers.

Main Results:

  • Demonstrated multilevel information storage and retrieval using distinct stimuli-responsive polymers.
  • Achieved dynamic information display through combined color changes under varied stimuli.
  • Successfully prepared anticounterfeiting labels and QR codes with multilevel encryption.

Conclusions:

  • The proposed multidimensional integration strategy enhances anticounterfeiting capacity and information resolution.
  • This approach offers high-security solutions for anticounterfeiting applications.
  • Leveraging orthogonal polymer responses enables dynamic, multilevel security features.