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Related Concept Videos

Sample Preparation for Analysis: Overview01:21

Sample Preparation for Analysis: Overview

302
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...
302
Sample Preparation for Analysis: Advanced Techniques01:08

Sample Preparation for Analysis: Advanced Techniques

433
Accurate analysis of complex samples often requires advanced preparation techniques to achieve reliable and reproducible results. Samples containing inorganic or organic materials can be challenging to dissolve or decompose effectively. Standard sample preparation methods include acid digestion, fusion, dry ashing, and wet digestion.
Acid digestion with strong acids is commonly used to dissolve inorganic materials that are insoluble (do not dissolve) in water. This method can be useful for...
433
Sample Handling01:02

Sample Handling

136
Transportation of samples from the collection point to the laboratory, as well as storage and preservation techniques, are crucial for maintaining sample integrity and ensuring accurate and reliable test results.
Samples should be transported carefully from collection points to the laboratory. They should be properly sealed and clearly labeled to prevent cross-contamination. To preserve the sample integrity, optimal temperature conditions during transport are essential. This could involve using...
136
Principles Of Column Chromatography01:13

Principles Of Column Chromatography

7.0K
The chromatography technique was first invented in 1901 by Michael S. Tswett, a Russian botanist, to separate plant pigments using organic solvents. Further, in 1941, Archer John Porter Martin and R. L. M. Synge modified the technique by packing silica gel into a column. A mixture of amino acids was then separated on the packed column using chloroform and water mixture as the mobile phase. This was the first report on column chromatography. At present, column chromatography is a widely used...
7.0K
Development of Analytical Methods01:21

Development of Analytical Methods

665
An analytical methodology can be divided into four sequential steps: technique, method, procedure, and protocol. A technique is a scientific principle that rationalizes a specific phenomenon through chemical measurements. Adapting a technique for analyzing a sample of interest is termed a method. The procedure outlines the directions for performing the analysis via an analytical method. The protocol is the detailed guidelines on the procedure, which should be strictly followed to obtain the...
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Updated: Aug 28, 2025

A Plasma Sample Preparation for Mass Spectrometry using an Automated Workstation
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Current developments of bioanalytical sample preparation techniques in pharmaceuticals.

Rahul G Ingle1,2, Su Zeng1, Huidi Jiang1

  • 1Institute of Drug Metabolism and Pharmaceutical Analysis, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China.

Journal of Pharmaceutical Analysis
|September 15, 2022
PubMed
Summary
This summary is machine-generated.

Sample preparation is a critical bottleneck in bioanalysis. Modern techniques, especially sorbent-based microextraction, offer improved accuracy and automation for analyte extraction.

Keywords:
BioanalysisBiological matricesMatrix effectMicroextractionSample preparation technique

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Area of Science:

  • Analytical Chemistry
  • Biochemistry
  • Pharmacology

Background:

  • Sample preparation is a critical, complex step in bioanalysis due to diverse biological matrices.
  • The matrix effect presents a significant challenge in bioanalytical sample preparation.
  • Classical methods face limitations in accuracy, automation, and ease of use.

Purpose of the Study:

  • To provide an overview of current developments in bioanalytical sample preparation techniques.
  • To highlight the growing importance and adoption of novel techniques in bioanalysis.
  • To emphasize modern trends, particularly sorbent-based microextraction methods.

Main Methods:

  • Review of chromatographic and spectroscopic examinations.
  • Discussion of advancements in sample preparation methodologies.
  • Focus on sorbent-based microextraction techniques.

Main Results:

  • Novel sample preparation techniques demonstrate advantages over classical methods.
  • Increased popularity of advanced techniques due to improved accuracy, automation, and convenience.
  • Sorbent-based microextraction techniques are a key modern trend.

Conclusions:

  • Advanced sample preparation techniques are revolutionizing bioanalysis.
  • Novel methods address challenges like the matrix effect more effectively.
  • Sorbent-based microextraction shows significant promise for future bioanalytical applications.