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JoVE Journal

Chemistry

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Self-assembling Morphologies Obtained from Helical Polycarbodiimide Copolymers and Their Triazole Derivatives

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09:22 min

February 7th, 2017

February 7th, 2017

7,754 Views

0:05

Title

1:09

Synthesis of the (R)- and (S)-series of Ethynylpolycarbodiimides

2:07

Synthesis of the (R)- and (S)-series of Triazole Polycarbodiimides under a "Click" Protocol

3:45

Synthesis of the (R)- and (S)-series of Polycarbodiimide-g-polystyrene Copolymers

4:58

Thin-film Preparation for Tapping Mode Atomic Force Microscopy (TMAFM) Measurements

5:28

Results: Preparation of Self-assembling Secondary Structures from Helical Polycarbodiimides

7:42

Conclusion

文字起こし

The overall goal of this protocol is to demonstrate a rational synthetic approach to helical polycarbodiimides bearing modifiable pendant groups and visualize the secondary structures assembled from them by means of atomic force microscopy. These

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Here, we present a protocol to prepare and visualize secondary structures (e.g., fibers, toroidal architectures, and nano-spheres) derived from helical polycarbodiimides. The morphology characterized by both atomic force microscopy (AFM) and scanning electron microscopy (SEM) was shown to depend on molecular structure, concentration, and the solvent of choice.

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