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A Simple Method for Automated Solid Phase Extraction of Water Samples for Immunological Analysis of Small Pollutants

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Selective solid-phase extraction of bio- and environmental samples using molecularly imprinted polymers.

L I Andersson¹

¹Bioanalytical Chemistry, AstraZeneca R&D Södertälje, S-151 85 Södertälje, Sweden. Lars.I.Andersson@astrazeneca.com

Bioseparation

|January 29, 2003

Summary

Molecular imprinting for solid-phase extraction offers high selectivity for routine analysis. This review covers molecular imprinted solid-phase extraction applications and method development for biological and environmental samples.

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Area of Science:

Analytical Chemistry
Separation Science

Background:

Molecular imprinting technology offers high selectivity and affinity for specific analytes.
Solid-phase extraction (SPE) is a widely used technique for sample pre-concentration.

Purpose of the Study:

To review the applications of molecular imprinting in solid-phase extraction (MI-SPE).
To discuss method development challenges specific to imprinted sorbents in analytical separations.

Main Methods:

Literature review of published works on molecular imprinted solid-phase extraction.
Analysis of selectivity and affinity properties of imprinted sorbents.

Main Results:

MI-SPE shows significant potential for routine analytical applications.
Selective pre-concentration of biological and environmental samples using MI-SPE has been demonstrated.
Imprinting allows for pre-determination of sorbent properties for specific analytes.

Conclusions:

Molecular imprinted solid-phase extraction is a promising technique for selective and efficient sample preparation.
Further development in sorbent-specific methods will enhance the routine applicability of MI-SPE.