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

An anionic siloxane polymer as a pseudostationary phase for electrokinetic chromatography.

D S Peterson1, C P Palmer

  • 1Department of Chemistry, New Mexico Institute of Mining and Technology, Socorro 87801, USA.

Electrophoresis
|September 23, 2000
PubMed
Summary
This summary is machine-generated.

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

Fall history moderates the relationship between concern about falling and reactive stepping performance in people with multiple sclerosis.

Neuroscience·2025
Same author

Cognition and freezing of gait in Parkinson's disease: A systematic review and meta-analysis.

Neuroscience and biobehavioral reviews·2023
Same author

The relationship between plantar sensation and muscle onset during automatic postural responses in people with multiple sclerosis and healthy controls.

Multiple sclerosis and related disorders·2021
Same author

Effects of dual-tasking on time-to-boundary during stance in people with PD: A preliminary study.

Clinical biomechanics (Bristol, Avon)·2021
Same author

Anticipatory postural responses prior to protective steps are not different in people with PD who do and do not freeze.

Gait & posture·2018
Same author

First-trial protective step performance before and after short-term perturbation practice in people with Parkinson's disease.

Journal of neurology·2018
Same journal

Kinship Inferences for Second-Degree Relatives With a Combination of STRs and Microhaplotypes.

Electrophoresis·2026
Same journal

Optimisation of Electrokinetic Extraction System: Colourimetric Determination of Copper (II) in Sand Using Polymer Inclusion Membrane.

Electrophoresis·2026
Same journal

Novel Phloroglucinol Derivatives as Neuraminidase Inhibitors Identified From Humulus lupulus L. Extract by At-Line Nanofractionation Platform.

Electrophoresis·2026
Same journal

Protein-Based High-Performance Liquid Chromatography and Cyclodextrin-Capillary Electrokinetic Chromatography for the Chiral Separation of Azoles.

Electrophoresis·2026
Same journal

Dynamics of Heparin Translocations Through Solid-State Nanopores.

Electrophoresis·2026
Same journal

Production of Protein Hydrolysates and Bioactive Peptides From Lablab purpureus and Macrotyloma uniflorum via Optimized Extraction and Proteolysis Protocols.

Electrophoresis·2026
See all related articles

A novel siloxane sulfate polymer serves as an effective pseudostationary phase in electrokinetic chromatography, enabling rapid and selective separations. Its unique properties offer an alternative to traditional phases like sodium dodecyl sulfate (SDS).

Area of Science:

  • Analytical Chemistry
  • Polymer Chemistry

Background:

  • Siloxane polymers offer versatile chemistry for stationary phase development in chromatography.
  • Water solubility is a key limitation for traditional siloxane polymers in aqueous separation techniques.

Purpose of the Study:

  • To introduce and characterize a novel water-soluble siloxane sulfate as a pseudostationary phase for electrokinetic chromatography.
  • To evaluate its separation efficiency, selectivity, and migration behavior compared to existing phases.

Main Methods:

  • Chemical modification of a water-soluble siloxane polymer to a sulfate derivative.
  • Characterization of the siloxane sulfate as a pseudostationary phase in electrokinetic chromatography.
  • Separation of polynuclear aromatic hydrocarbons using buffers modified with acetonitrile.

Related Experiment Videos

Main Results:

  • The siloxane sulfate demonstrated rapid, efficient, and selective separations.
  • Its electrophoretic mobility was lower than sodium dodecyl sulfate (SDS) and poly(sodium 10-undecenylsulfate), compressing migration times.
  • The siloxane sulfate exhibited different chemical selectivity compared to SDS micelles.
  • Acetonitrile addition to buffers caused an apparent discontinuity in polymer mobility, suggesting structural changes.

Conclusions:

  • The developed siloxane sulfate is a promising pseudostationary phase for electrokinetic chromatography, overcoming water solubility limitations.
  • Its unique selectivity and migration behavior offer advantages for specific applications, such as separating polynuclear aromatic hydrocarbons.
  • Further investigation into the polymer's structural changes in organic solvents is warranted.