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

Extraction: Advanced Methods00:56

Extraction: Advanced Methods

564
Metal ions can be separated from one another by complexation with organic ligands–the chelating agent– to form uncharged chelates. Here, the chelating agent must contain hydrophobic groups and behave as a weak acid, losing a proton to bind with the metal. Since most organic ligands used in this process are insoluble or undergo oxidation in the aqueous phase, the chelating agent is initially added to the organic phase and extracted into the aqueous phase. The metal-ligand complex is...
564
Formation of Complex Ions03:45

Formation of Complex Ions

24.2K
A type of Lewis acid-base chemistry involves the formation of a complex ion (or a coordination complex) comprising a central atom, typically a transition metal cation, surrounded by ions or molecules called ligands. These ligands can be neutral molecules like H2O or NH3, or ions such as CN− or OH−. Often, the ligands act as Lewis bases, donating a pair of electrons to the central atom. These types of Lewis acid-base reactions are examples of a broad subdiscipline called coordination...
24.2K
Reduction of Alkynes to trans-Alkenes: Sodium in Liquid Ammonia02:10

Reduction of Alkynes to trans-Alkenes: Sodium in Liquid Ammonia

9.7K
Alkynes can be reduced to trans-alkenes using sodium or lithium in liquid ammonia. The reaction, known as dissolving metal reduction, proceeds with an anti addition of hydrogen across the carbon–carbon triple bond to form the trans product. Since ammonia exists as a gas (bp = −33°C) at room temperature, the reaction is carried out at low temperatures using a mixture of dry ice (sublimes at −78°C) and acetone. 
When dissolved in liquid ammonia, an alkali metal,...
9.7K
Ladder Diagrams: Complexation Equilibria01:07

Ladder Diagrams: Complexation Equilibria

443
Ladder diagrams are useful for evaluating equilibria involving metal-ligand complexes. The vertical scale of the ladder diagram represents the concentration of unreacted or free ligand, pL. The horizontal lines on the scale depict the log of stepwise formation constants for metal-ligand complexes and indicate the dominant species in all the regions.
The formation constant, K1, for the formation of Cd(NH3)2+ complex from cadmium and ammonia is 3.55 × 102. Log K1 (i.e. pNH3) is 2.55, and...
443

You might also read

Related Articles

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

Sort by
Same author

Co-templating of polyoxoniobates and silicate/germanate trimer-rings in crystals and inorganic gels.

Chemical science·2026
Same author

A novel CT-based scoring system for appendicoliths and its prognostic value in acute appendicitis: a retrospective cohort study.

Emergency radiology·2026
Same author

Building block approach to technetium-substituted polyoxotungstates.

Chemical communications (Cambridge, England)·2026
Same author

Back to Basics: Lanthanide and Heavy Actinide Chelation at High pH by Niobium Polyoxometalates.

Inorganic chemistry·2026
Same author

Tuning Chiral Anomaly Signature in a Dirac Semimetal via Fast-Ion Implantation.

Nano letters·2025
Same author

Dimeric gold nanoparticles enable multiplexed labeling in cryoelectron tomography.

Proceedings of the National Academy of Sciences of the United States of America·2025

Related Experiment Video

Updated: Oct 7, 2025

Facet-to-facet Linking of Shape-anisotropic Colloidal Cadmium Chalcogenide Nanostructures
09:12

Facet-to-facet Linking of Shape-anisotropic Colloidal Cadmium Chalcogenide Nanostructures

Published on: August 10, 2017

7.7K

Solvent-Driven Transformation of Zn/Cd2+-Deoxycholate Assemblies.

Rachelle M S Smith1, Mehran Amiri1, Nicolas P Martin1

  • 1Department of Chemistry, Oregon State University, Corvallis, Oregon 97330, United States.

Inorganic Chemistry
|January 10, 2022
PubMed
Summary

Researchers synthesized novel metal-deoxycholic acid (DOC) compounds, revealing solvent-driven assembly for new hybrid materials. These robust Zn-DOC materials show promise for water treatment applications, particularly dye absorption.

More Related Videos

Synthesis of Information-bearing Peptoids and their Sequence-directed Dynamic Covalent Self-assembly
09:34

Synthesis of Information-bearing Peptoids and their Sequence-directed Dynamic Covalent Self-assembly

Published on: February 6, 2020

7.5K
Compact Quantum Dots for Single-molecule Imaging
17:14

Compact Quantum Dots for Single-molecule Imaging

Published on: October 9, 2012

18.3K

Related Experiment Videos

Last Updated: Oct 7, 2025

Facet-to-facet Linking of Shape-anisotropic Colloidal Cadmium Chalcogenide Nanostructures
09:12

Facet-to-facet Linking of Shape-anisotropic Colloidal Cadmium Chalcogenide Nanostructures

Published on: August 10, 2017

7.7K
Synthesis of Information-bearing Peptoids and their Sequence-directed Dynamic Covalent Self-assembly
09:34

Synthesis of Information-bearing Peptoids and their Sequence-directed Dynamic Covalent Self-assembly

Published on: February 6, 2020

7.5K
Compact Quantum Dots for Single-molecule Imaging
17:14

Compact Quantum Dots for Single-molecule Imaging

Published on: October 9, 2012

18.3K

Area of Science:

  • Materials Science
  • Supramolecular Chemistry
  • Coordination Chemistry

Background:

  • Deoxycholic acid (DOC) is a biologically derived surfactant with facial amphiphilicity.
  • Its use in supramolecular assembly of materials is currently limited.
  • Novel metal-DOC complexes beyond alkali and alkaline earth metals are underexplored.

Purpose of the Study:

  • To synthesize and structurally characterize new hybrid metal-DOC compounds using Zn²⁺ and Cd²⁺.
  • To investigate the influence of solvent molecules on the supramolecular assembly of these compounds.
  • To explore the potential applications of these novel materials, such as in water treatment.

Main Methods:

  • Single-crystal X-ray diffraction for structural analysis.
  • Scanning and transmission electron microscopy (SEM, TEM).
  • Small-angle X-ray scattering (SAXS).
  • Powder X-ray diffraction (PXRD).
  • Infrared spectroscopy (IR).

Main Results:

  • Isolation of polymeric chains of Zn-DOC and Cd-DOC from water, driven by hydrophobic interactions.
  • Cd-DOC exhibits unique P1 symmetry with complete amphiphile interdigitation.
  • Zn-DOC features the OZn₄ tetrahedron, similar to basic zinc acetate and MOF-5.
  • A reversible, solvent-driven room-temperature transition between two forms of Zn-DOC was observed.
  • Water-driven transformation of Zn-DOC shows crystal-to-crystal behavior, while methanol-driven transition involves an intermediate phase.

Conclusions:

  • The study provides molecular-level insights into the supramolecular assembly of facial surfactants.
  • Solvent choice critically influences the assembly process and resulting hybrid material structures.
  • Robust and easily synthesized Zn-DOC materials demonstrate potential for water treatment via dye absorption, favoring positively charged dyes.