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Bio-orthogonal fluorinated resist for biomolecules patterning applications.

Fotini Machairioti1, Panagiota Petrou2, Hyun-Taek Oh3

  • 1Department of Chemistry, National and Kapodistrian University of Athens, Athens, Greece; Immunoassay/Immunosensors Lab, INRaSTES, NCSR Demokritos, Aghia Paraskevi, Greece.

Colloids and Surfaces. B, Biointerfaces
|March 12, 2019
PubMed
Summary

Researchers developed a novel photolithographic method using bio-orthogonal fluorinated materials and solvents to pattern biomolecules on surfaces. This technique enables precise patterning for applications like multi-protein microarrays.

Keywords:
Bio-orthogonalBiomolecules patterningFluorinated resistsLithography

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Area of Science:

  • Materials Science
  • Biotechnology
  • Surface Chemistry

Background:

  • Patterning organic materials on surfaces is crucial for device fabrication.
  • Fluorinated polymers offer unique chemical orthogonality and solubility in benign solvents.
  • Existing methods may have limitations in biomolecule compatibility.

Purpose of the Study:

  • To develop a new photolithographic process for patterning biomolecules.
  • To utilize bio-orthogonal fluorinated materials and hydrofluoroether solvents.
  • To achieve high-resolution patterning on diverse surfaces.

Main Methods:

  • Development of a photoresist based on fluorinated materials.
  • Utilizing hydrofluoroether solvents for bio-orthogonal processing.
  • Application of photolithography for patterning via physical adsorption or covalent bonding.

Main Results:

  • Successful patterning of biomolecules on various surfaces.
  • Achieved pattern dimensions down to 2 micrometers.
  • Demonstrated the creation of a multi-protein microarray.

Conclusions:

  • A novel, bio-orthogonal photolithographic process for biomolecule patterning has been established.
  • The method is versatile, applicable to different surfaces and patterning strategies.
  • The developed technique shows promise for advanced microarray fabrication and bio-device development.