Interactions between shape-persistent macromolecules as probed by AFM

Johanna Blass,
Jessica Brunke,
Franziska Emmerich,
Cédric Przybylski,
Vasil M. Garamus,
Artem Feoktystov,
Roland Bennewitz,
Gerhard Wenz and
Marcel Albrecht

Full Research Paper
Published 18 May 2017

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1. Graphical Abstract
2. Figure 1: Interaction of a shape-persistent CD polymer with ditopic guests.
  
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3. Figure 2: Schematic representation of tip and surface modifications realized in this study (bottom). Blue lin...
  
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4. Scheme 1: Synthesis of the CD polymer. a) conc. HNO₃, reflux, 6 d; b) tert-butanol, cat. H₂SO₄, MgSO₄, CH₂Cl₂...
  
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5. Figure 3: Absorption spectra of monomer 7 (solid red line) and polymer 8 (solid blue line) in water. Emission...
  
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6. Figure 4: Positive linear MALDI–TOF spectrum of polymer 8 using HABA/TMG₂ matrix.
  
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7. Figure 5: SANS data for polymer 8 and fit by cylindrical model (solid line).
  
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8. Scheme 2: Ditopic and monotopic guest molecules.
  
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9. Figure 6: Solubility of polymer 8 in the presence of ditopic connector 9 (black graph) and 1-aminoadamantane ...
  
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10. Scheme 3: Synthesis of amino functionalized polymer 12.
  
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11. Figure 7: Characteristic force curves recorded during retraction of the AFM tip from the surface. Four functi...
  
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12. Figure 8: Graphical summary of experimental results for the four configurations of CD attachment introduced i...
  
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13. Figure 9: (a) Detail of the end of a force curve for a polymer-functionalized tip retracted from a polymer-fu...
  
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14. Figure 10: Characteristic result of a friction experiment for a polymer-functionalized tip sliding on a surfac...
  
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