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 Concept Videos

You might also read

Related Articles

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

Sort by
Same author

Reactivity and mechanistic insights into multistep silane functionalization of oxo-graphene.

Nanoscale·2026
Same author

Boosting Ferroelectricity: 2D and Polymer Ferroelectric Hybrids Enabling Ambipolar Nonvolatile MoS<sub>2</sub> Memory Transistor.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2026
Same author

Wet Transfer of In Situ Grown Azo-Containing Two-Dimensional Conjugated Covalent Organic Framework Films for Photoswitchable Electronic Devices.

Angewandte Chemie (International ed. in English)·2026
Same author

Molecularly engineered covalent hydrophobic interface for enhanced CO<sub>2</sub> electromethanation in strong acid.

National science review·2026
Same author

Manipulating the Photoluminescence Pathway in Metal Nanoclusters by Atomic Structural Editing.

Small (Weinheim an der Bergstrasse, Germany)·2026
Same author

Programmable ion-protein networks from sodium caseinate: a sustainable platform for soft functional materials.

Materials horizons·2026

Related Experiment Video

Updated: Jun 24, 2026

Controlling the Size, Shape and Stability of Supramolecular Polymers in Water
16:24

Controlling the Size, Shape and Stability of Supramolecular Polymers in Water

Published on: August 2, 2012

Modulating large-area self-assembly at the solid-liquid interface by pH-mediated conformational switching.

Luc Piot1, Robert M Meudtner, Tamer El Malah

  • 1ISIS/CNRS UMR 7006-Université Louis Pasteur, 8 allée Gaspard Monge, 67000 Strasbourg, France.

Chemistry (Weinheim an Der Bergstrasse, Germany)
|March 27, 2009
PubMed
Summary
This summary is machine-generated.

Dynamic surfaces of 2,6-bis(1-aryl-1,2,3-triazol-4-yl)pyridine (BTP) derivatives change conformation with pH. This transformation alters their 2D self-assembly on surfaces, observed with sub-nanometer precision.

More Related Videos

Creating Sub-50 Nm Nanofluidic Junctions in PDMS Microfluidic Chip via Self-Assembly Process of Colloidal Particles
11:13

Creating Sub-50 Nm Nanofluidic Junctions in PDMS Microfluidic Chip via Self-Assembly Process of Colloidal Particles

Published on: March 13, 2016

Microfluidic Preparation of Liquid Crystalline Elastomer Actuators
12:04

Microfluidic Preparation of Liquid Crystalline Elastomer Actuators

Published on: May 20, 2018

Related Experiment Videos

Last Updated: Jun 24, 2026

Controlling the Size, Shape and Stability of Supramolecular Polymers in Water
16:24

Controlling the Size, Shape and Stability of Supramolecular Polymers in Water

Published on: August 2, 2012

Creating Sub-50 Nm Nanofluidic Junctions in PDMS Microfluidic Chip via Self-Assembly Process of Colloidal Particles
11:13

Creating Sub-50 Nm Nanofluidic Junctions in PDMS Microfluidic Chip via Self-Assembly Process of Colloidal Particles

Published on: March 13, 2016

Microfluidic Preparation of Liquid Crystalline Elastomer Actuators
12:04

Microfluidic Preparation of Liquid Crystalline Elastomer Actuators

Published on: May 20, 2018

Area of Science:

  • Supramolecular chemistry
  • Surface science
  • Nanotechnology

Background:

  • 2,6-bis(1-aryl-1,2,3-triazol-4-yl)pyridine (BTP) derivatives are known for their self-assembly properties.
  • Controlling molecular conformation is crucial for designing dynamic functional surfaces.

Purpose of the Study:

  • To investigate the pH-triggered conformational changes of BTP derivatives at the solid-liquid interface.
  • To characterize the impact of these conformational changes on the 2D self-assembly of BTP monolayers.

Main Methods:

  • Scanning Tunneling Microscopy (STM) was employed to observe conformational transitions with sub-nanometer resolution.
  • The study focused on the solid-liquid interface to mimic real-world conditions.

Main Results:

  • BTP molecules in physisorbed monolayers underwent significant conformational changes from "rosette" to "tetragon" forms upon addition of trifluoroacetic acid (TFA).
  • These changes led to dramatically altered 2D self-assembly over large areas (hundreds of nanometers).

Conclusions:

  • The conformational dynamics of BTP derivatives can be precisely controlled by pH.
  • This pH-responsive behavior enables the design of dynamic surfaces with tunable self-assembly characteristics.