Surface-controlled spatially heterogeneous physical properties of a supramolecular gel with homogeneous chemical composition

Author:

Yang Bin1,Lledos Marina1,Akhtar Riaz2,Ciccone Giuseppe3ORCID,Jiang Long1ORCID,Russo Emanuele1,Rajput Sunil1,Jin Chunyu4,Angelereou Maria Galini Faidra1,Arnold Thomas5678ORCID,Rawle Jonathan5,Vassalli Massimo3ORCID,Marlow Maria1,Adams Dave J.9ORCID,Zelzer Mischa1ORCID

Affiliation:

1. Department of Pharmacy, University of Nottingham, Nottingham, NG2 7RD, UK

2. Department of Mechanical, Materials and Aerospace Engineering, School of Engineering, University of Liverpool, Liverpool L69 3GH, UK

3. Centre for the Cellular Microenvironment, University of Glasgow, Glasgow, G12 8LT, UK

4. Department of Chemical Engineering and Biotechnology, University of Cambridge, Cambridge, CB3 0AS, UK

5. Diamond Light Source Ltd, Harwell Science and Innovation Campus, Didcot, Oxfordshire, OX11 0DE, UK

6. European Spallation Source ERIC, P. O. Box 176, SE-221 00 Lund, Sweden

7. STFC, Rutherford Appleton Laboratory, Chilton, Didcot, OX11 0QX, UK

8. Department of Chemistry, University of Bath, Claverton Down, Bath BA2 7AY, UK

9. School of Chemistry, University of Glasgow, University Avenue, Glasgow, G12 8QQ, UK

Abstract

A mechanical pattern is created in a hydrogel film by pre-patterning the underlying surface chemistry. This allows spatial variation of the viscous component of the gel, controlling dissipative forces in the gel film without altering gel chemistry.

Funder

Leverhulme Trust

Royal Academy of Engineering

Engineering and Physical Sciences Research Council

Diamond Light Source

Publisher

Royal Society of Chemistry (RSC)

Subject

General Chemistry

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