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Summary

This summary is machine-generated.

This study presents a novel method for creating unique, miniaturized patterns using hydrophobic coatings and distinct chemical reactions. These patterns are multiplexed, unclonable, and readable even after surface removal.

Keywords:

1,4-Conjugate Addition Reaction Chemically Reactive Dual Reactivity Pattern Interface Porous Coating

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Area of Science:

Materials Science
Chemical Engineering
Biotechnology

Background:

Developing methods for creating stable, miniaturized patterns is crucial for advanced diagnostics and security.
Existing techniques often face challenges with pattern stability, clonability, and multiplexing capabilities.

Purpose of the Study:

To conceptualize and demonstrate a novel approach for creating multiplexed, miniaturized, and unclonable bulk-infused patterns.
To utilize hydrophobicity and dual chemical reactivities in a substrate-independent dip coating for pattern generation.

Main Methods:

A substrate-independent dip coating with embedded hydrophobicity (contact angle ~102°) was developed.
Porous material with double residual chemical reactivities was utilized for pattern fabrication.
Micropatterns were constructed using ink-jet printing or microchannel cantilever spotting.

Main Results:

The hydrophobic coating effectively restricted the spreading of aqueous ink.
Multiplexed patterns of different fluorophores were successfully created following distinct reaction pathways.
The generated micropatterns offered orthogonal read-out and maintained readability after exterior coating removal.

Conclusions:

The demonstrated approach enables the creation of miniaturized, multiplexed, and unclonable patterns.
The combination of hydrophobicity and dual chemical reactivities offers a robust platform for advanced patterning.
This method has potential applications in areas requiring high-security features and miniaturized diagnostics.