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

Visualization of artificial lignin supramolecular structures

Micic1, Jeremic, Radotic

  • 1Center for Supramolecular Science and Center for Advanced Microscopy, Department of Chemistry, University of Miami, Coral Gables, Florida 33146, USA. m.micic@umiami.edu

Scanning
|October 7, 2000
PubMed
Summary

This study reveals lignin

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

On a case of retrospective diagnosis of leptospirosis influenza-typhosa.

Bulletins et memoires de la Societe medicale des hopitaux de Paris·2010
Same author

Responses of aquatic communities to 25-6 alcohol ethoxylate in model stream ecosystems.

Aquatic toxicology (Amsterdam, Netherlands)·2001
Same author

Comparison of Clinical Features of Acute HIV-1 Infection in Patients Infected Sexually or Through Injection Drug Use.

Journal of acquired immune deficiency syndromes (1999)·2000
Same author

Consistency of temperament in bighorn ewes and correlates with behaviour and life history.

Animal behaviour·2000
Same author

A Comparative Study of Enzymatically and Photochemically Polymerized Artificial Lignin Supramolecular Structures Using Environmental Scanning Electron Microscopy.

Journal of colloid and interface science·2000
Same author

Metallic salt promoted radical cyclization of beta-keto carboxamides and their corresponding beta-enamino carboxamides

The Journal of organic chemistry·2000

Area of Science:

  • Biomaterials Science
  • Polymer Chemistry
  • Surface Science

Background:

  • Lignin's complex structure influences its properties.
  • Understanding lignin's supramolecular organization is key for applications.

Purpose of the Study:

  • To visualize lignin's supramolecular structure using ESEM.
  • To investigate substrate effects on lignin self-assembly.
  • To correlate structure across multiple length scales.

Main Methods:

  • Environmental Scanning Electron Microscopy (ESEM).
  • Integration with Scanning Tunneling Microscopy (STM) and Electron Spin Resonance (ESR) data.
  • Analysis of lignin model compound (dehydrogenate polymer - DHP).

Main Results:

  • Identified at least four distinct levels of lignin supramolecular structure.
  • Demonstrated substrate surface properties (hydrophobicity, delocalized orbitals, surface energy) significantly influence lignin self-assembly.
  • Observed lignin structure across six orders of magnitude in size.

Conclusions:

  • Lignin's supramolecular organization is highly adaptable and substrate-dependent.
  • ESEM provides crucial insights into lignin's hierarchical structure.
  • Tailoring substrate interactions can control lignin self-assembly.

Related Experiment Videos