Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Covalent connection of individualized, neutral, dendronized polymers on a solid substrate using a scanning force

Rabie Al-Hellani1, Jörg Barner, Jürgen P Rabe

  • 1Department of Materials, Institute of Polymers, Eidgenössische Technische Hochschule, ETH-Zürich, Wolfgang-Pauli-Str. 10, HCI J 541, 8093 Zürich, Switzerland.

Chemistry (Weinheim an Der Bergstrasse, Germany)
|June 27, 2006
PubMed
Summary

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Phase engineering of atomically thin magnetic chromium tellurides via molecular beam epitaxy.

Nature communications·2026
Same author

Flexibly connectable combined filters (co-filters) for decentralized treatment of greywater.

International journal of phytoremediation·2026
Same author

Rapid assembly of highly ordered DNA origami lattices at mica surfaces.

Discover nano·2025
Same author

Two-Dimensional Polycyclodextrins for Strong Multivalent Host-Guest Interactions at Biointerfaces.

Small (Weinheim an der Bergstrasse, Germany)·2025
Same author

Phosphorus doped few layer WS<sub>2</sub> flakes grown by chemical vapor deposition for hydrogen evolution reactions.

Scientific reports·2025
Same author

Heavy-boundary mode patterning and dynamics of topological phonons in polymer chains and supramolecular lattices on surfaces.

Nature communications·2024

Researchers synthesized a third-generation dendronized polymer (denpol) with azide groups. This advanced polymer enables precise manipulation and covalent cross-linking on surfaces, expanding polymer science applications.

Area of Science:

  • Polymer Chemistry
  • Materials Science
  • Nanotechnology

Background:

  • Dendronized polymers (denpols) offer unique properties due to their branched architecture.
  • Controlled synthesis and surface manipulation of denpols are crucial for advanced applications.
  • Previous studies have explored various dendronization strategies and their characterization.

Purpose of the Study:

  • To synthesize a neutral, high-molar-mass, third-generation dendronized polymer with peripheral azide groups.
  • To investigate the structure perfection and surface behavior of the synthesized denpol.
  • To demonstrate the manipulation and covalent cross-linking of denpols on a defined substrate.

Main Methods:

  • An "attach-to" synthesis route was employed, reacting a first-generation denpol with second-generation dendrons.

Related Experiment Videos

  • Structure perfection was quantified using fluorescence labeling.
  • Scanning force microscopy (SFM) was used for surface characterization, manipulation, and covalent cross-linking via photochemical azide decomposition.

    • Main Results:

    • A third-generation denpol with 99.8% structure perfection was successfully synthesized.
    • Single denpols were visualized, manipulated, and covalently linked on a modified graphite substrate.
    • The "move-connect-prove" sequence was demonstrated using noncharged denpols, confirmed by mechanical testing with an SFM tip.

    Conclusions:

    • The study reports the successful synthesis of a highly perfect, azide-functionalized dendronized polymer.
    • The findings demonstrate the potential for precise nanoscale assembly and modification of polymers using SFM.
    • This work significantly broadens the applicability of SFM-based polymer manipulation techniques.