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

Insensitive Nuclei Enhanced by Polarization Transfer (INEPT)01:15

Insensitive Nuclei Enhanced by Polarization Transfer (INEPT)

437
Insensitive Nuclei Enhanced by Polarization Transfer (INEPT) is an advanced Nuclear Magnetic Resonance (NMR) technique specifically designed to detect and enhance the signals of low-abundance nuclei, such as carbon-13 and nitrogen-15, in small molecules. The fundamental principle behind INEPT is the transfer of polarization from a more abundant and highly polarizable nucleus, typically hydrogen-1, to the low-abundance nucleus of interest. This process effectively boosts the NMR signal of the...
437
Photoluminescence: Applications01:14

Photoluminescence: Applications

463
Photoluminescence offers a wide range of applications due to its inherent sensitivity and selectivity. This technique allows for both direct and indirect analyses of the analyte. Direct quantitative analysis is possible when the analyte exhibits a favorable quantum yield for fluorescence or phosphorescence. However, an indirect analysis may be feasible if the analyte is not fluorescent or phosphorescent, or if the quantum yield is unfavorable. Indirect methods include reacting the analyte with...
463

You might also read

Related Articles

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

Sort by
Same author

Imidazoliumyl-substituted di- and iso-tetraphosphanes and their metal-mediated fragmentation reactions.

Chemical science·2026
Same author

Spacer-tuned diphosphine dioxides as preorganised co-ligands for synergistic lithium extraction with β-diketonates.

Dalton transactions (Cambridge, England : 2003)·2026
Same author

Development of New Perikinetic Collision Frequency Model Using Lifshitz Theory and Surface Energy Approach for Asphaltene Precipitation.

Langmuir : the ACS journal of surfaces and colloids·2026
Same author

Chemoselectivity in the cationic Phospha-Wittig reaction: accessing phosphorus heterocycles, phosphaalkenes, and their annulated [4 + 2] dimers.

Chemical science·2026
Same author

Chain-length-dependent reactivity of alkenyl phosphates in ruthenium-catalyzed cross-metathesis.

Chemical communications (Cambridge, England)·2025
Same author

Systematic variation of the acceptor electrophilicity in donor-acceptor-donor emitters exhibiting efficient room temperature phosphorescence suited for digital luminescence.

Communications chemistry·2025

Related Experiment Video

Updated: Aug 11, 2025

Low-energy Cathodoluminescence for OxyNitride Phosphors
07:03

Low-energy Cathodoluminescence for OxyNitride Phosphors

Published on: November 15, 2016

10.8K

Highly Tunable 4-Phosphoryl Pyrazolone Receptors for Selective Rare-Earth Separation.

Jianfeng Zhang1, Marco Wenzel1, Kathleen Schnaars1

  • 1Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, Mommsenstraße 4, Dresden 01062, Germany.

Inorganic Chemistry
|February 8, 2023
PubMed
Summary
This summary is machine-generated.

New 4-phosphoryl pyrazolone receptors selectively separate rare-earth elements (REEs). This research advances efficient separation of light, middle, and heavy REEs, crucial for clean energy technologies.

More Related Videos

Hyperspectral Imaging as a Tool to Study Optical Anisotropy in Lanthanide-Based Molecular Single Crystals
07:24

Hyperspectral Imaging as a Tool to Study Optical Anisotropy in Lanthanide-Based Molecular Single Crystals

Published on: April 14, 2020

17.4K
Hyperpolarized Xenon for NMR and MRI Applications
16:20

Hyperpolarized Xenon for NMR and MRI Applications

Published on: September 6, 2012

19.6K

Related Experiment Videos

Last Updated: Aug 11, 2025

Low-energy Cathodoluminescence for OxyNitride Phosphors
07:03

Low-energy Cathodoluminescence for OxyNitride Phosphors

Published on: November 15, 2016

10.8K
Hyperspectral Imaging as a Tool to Study Optical Anisotropy in Lanthanide-Based Molecular Single Crystals
07:24

Hyperspectral Imaging as a Tool to Study Optical Anisotropy in Lanthanide-Based Molecular Single Crystals

Published on: April 14, 2020

17.4K
Hyperpolarized Xenon for NMR and MRI Applications
16:20

Hyperpolarized Xenon for NMR and MRI Applications

Published on: September 6, 2012

19.6K

Area of Science:

  • Materials Science
  • Inorganic Chemistry
  • Separation Science

Background:

  • Rare-earth elements (REEs) are critical for advanced technologies like clean energy.
  • The similar chemical properties of REEs make their separation difficult and economically significant.
  • Developing selective receptors is key to overcoming REE separation challenges.

Purpose of the Study:

  • To develop novel 4-phosphoryl pyrazolone receptors for selective separation of trivalent lanthanum, europium, and ytterbium.
  • To investigate structure-function relationships, including lanthanide contraction, for REE separation.
  • To explore the impact of ligand properties on lanthanide binding and selectivity.

Main Methods:

  • Synthesis and characterization of 4-phosphoryl pyrazolone receptors.
  • X-ray crystallography to determine solid-state structures of 11 lanthanide complexes.
  • Liquid-liquid extraction (LLE) and n-octanol/water distribution studies.
  • Slope analysis to establish stoichiometry in solution.

Main Results:

  • Demonstrated selective separation of light (La), middle (Eu), and heavy (Yb) trivalent lanthanides.
  • Established structure-function correlations, highlighting lanthanide contraction's role in separation.
  • Quantified the influence of ligand structure and lipophilicity on extraction efficiency and selectivity.
  • Confirmed stoichiometry consistency between solid-state structures and solution behavior.

Conclusions:

  • 4-phosphoryl pyrazolone derivatives show significant potential as practical reagents for selective REE separation.
  • The study provides fundamental insights into lanthanide coordination chemistry relevant to separation processes.
  • This work contributes to more efficient and environmentally sound methods for obtaining critical rare-earth elements.