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Related Experiment Video

Updated: Feb 23, 2026

Preparation of Highly Porous Coordination Polymer Coatings on Macroporous Polymer Monoliths for Enhanced Enrichment of Phosphopeptides
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Cholesterol-imprinted macroporous monoliths: Preparation and characterization.

Mariia А Stepanova1,2, Lilia R Kinziabulatova2, Anna A Nikitina1

  • 1Institute of Macromolecular Compounds, Russian Academy of Sciences, St. Petersburg, Russia.

Electrophoresis
|September 8, 2017
PubMed
Summary

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Researchers developed novel macroporous sorbents for selective cholesterol binding, crucial for cardiovascular disease management. These cholesterol-imprinted polymers show promise for analytical applications and potential therapeutic interventions.

Area of Science:

  • Analytical Chemistry
  • Materials Science
  • Biomedical Engineering

Background:

  • Cholesterol is a significant risk factor for cardiovascular disease.
  • Selective cholesterol binding is crucial for analytical science and medicine.
  • Development of effective sorbent materials is essential for cholesterol detection and removal.

Purpose of the Study:

  • To synthesize and characterize novel macroporous cholesterol-imprinted monolithic sorbents.
  • To evaluate the binding capacity and selectivity of the developed sorbents for cholesterol.
  • To demonstrate the application of these sorbents in cholesterol separation and solid-phase extraction.

Main Methods:

  • Synthesis of macroporous monolithic sorbents via in situ free-radical polymerization.
Keywords:
Affinity bindingArtificial receptorsCholesterol imprintingMacroporous polymer monolithsSolid-phase extraction

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  • Characterization using BET, SEM, and hydrodynamic permeability measurements.
  • Evaluation of binding properties including imprinting factors, dissociation constants, and binding capacity.

    • Main Results:

    • Successfully synthesized two series of macroporous cholesterol-imprinted monolithic sorbents with varying functional monomers and template concentrations.
    • Characterized materials for their porous properties and hydrodynamic permeability.
    • Demonstrated effective separation of cholesterol from its structural analogue, prednisolone.
    • Showcased the potential for solid-phase extraction of cholesterol from simulated biological solutions.

    Conclusions:

    • The developed macroporous cholesterol-imprinted monolithic sorbents exhibit high selectivity and binding capacity for cholesterol.
    • These materials are suitable for chromatographic separation and solid-phase extraction of cholesterol.
    • The study highlights the potential of these novel sorbents in analytical and medical applications for managing cholesterol levels.