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Sample Preparation for Analysis: Overview

Sample Preparation for Analysis: Overview

Sample preparation is an essential step in the analytical process. It involves preparing a sample so that it can be analyzed accurately. The goal is to extract the analyte, the substance you want to measure, from the sample while removing any components that may interfere with the analysis. Sample preparation techniques vary depending on the physical state of the sample.
Bulk or large solid samples are typically reduced in size using grinding, crushing, or milling techniques to increase the...

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Updated: Oct 30, 2025

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

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

Published on: January 1, 2016

[Advances in solid-phase extraction for bisphenols in environmental samples].

Hongyuan Liu^1,2, Jing Jin¹, Cuicui Guo^1,3

¹CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China.

Se Pu = Chinese Journal of Chromatography

|July 2, 2021

Summary

Bisphenols (BPs) are endocrine disruptors found in the environment. Solid-phase extraction (SPE) advancements offer efficient methods for detecting these emerging pollutants in various samples.

Keywords:

bisphenol compounds magnetic solid phase extraction (MSPE)molecular imprinting solid phase extraction (SPE)solid phase microextraction (SPME)

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Area of Science:

Environmental Chemistry
Analytical Chemistry

Context:

Bisphenol A (BPA) restrictions drive the use of analogs like bisphenol S and F.
Bisphenols (BPs) are widespread endocrine disruptors in environmental matrices (water, sediment, biota).
BPs pose risks including endocrine disruption, cytotoxicity, genotoxicity, and neurotoxicity.

Purpose:

To review the application of solid-phase extraction (SPE) for bisphenol (BP) analysis.
To highlight advancements in SPE adsorbents and modes for BP detection.
To address the need for efficient, selective, and high-throughput pretreatment methods for environmental samples.

Summary:

Solid-phase extraction (SPE) is a key technology for extracting and purifying bisphenols (BPs) from diverse environmental samples.
New adsorbents like MOFs, cyclodextrins, and MIPs enhance BP adsorption capacity and selectivity.
Modern SPE approaches focus on miniaturization, automation, and simplification for cost-effective and eco-friendly analysis.

Impact:

Improved sensitive detection of emerging bisphenol pollutants in environmental monitoring.
Development of more efficient and sustainable analytical methodologies for environmental contaminants.
Facilitates regulatory assessment and risk management of bisphenols in the environment.