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Related Concept Videos

Sample Preparation for Analysis: Overview01:21

Sample Preparation for Analysis: Overview

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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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Principles Of Column Chromatography01:13

Principles Of Column Chromatography

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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...
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Types Of Column Chromatography01:29

Types Of Column Chromatography

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The stability and compatibility of column material with samples are crucial for efficient purification in chromatographic techniques. Various operating parameters such as pH, temperature, or solvent affect the packing of the column material, thereby determining the purification efficiency. The choice of column material also plays an essential role in deciding the operating parameters and can be modified based on the proteins that need to be purified.
Gel Filtration Chromatography
When the...
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Gas Chromatography: Sample Injection Systems01:08

Gas Chromatography: Sample Injection Systems

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In gas chromatography, the sample is introduced as a vapor plug into the carrier gas stream for high efficiency and resolution. A microsyringe injects the sample solution into a heated sample port, vaporizing it and mixing it with the carrier gas. This process is important to ensure the sample is properly prepared for analysis. Thermally sensitive samples can be injected directly into the column and volatilized by slowly increasing the column temperature.
Two primary injection methods are used...
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Sample Preparation for Analysis: Advanced Techniques01:08

Sample Preparation for Analysis: Advanced Techniques

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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...
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Related Experiment Video

Updated: Apr 4, 2026

A Straightforward Method for Glucosinolate Extraction and Analysis with High-pressure Liquid Chromatography HPLC
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Spin column extraction as a new sample preparation method in bioanalysis.

Akira Namera1, Takashi Saito2

  • 1Department of Forensic Medicine, Institute of Biomedical & Health Sciences, Hiroshima University, 1-2-3 Kasumi, Hiroshima 734-8553, Japan.

Bioanalysis
|September 5, 2015
PubMed
Summary
This summary is machine-generated.

Spin column extraction using monolithic silica streamlines bioanalysis. This method significantly reduces sample preparation time, enhancing productivity for drug and chemical determination in biological samples.

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Area of Science:

  • Analytical Chemistry
  • Biochemistry
  • Pharmacology

Background:

  • Accurate data in bioanalysis relies heavily on effective sample preparation.
  • Traditional methods can be time-consuming, impacting overall laboratory efficiency.

Purpose of the Study:

  • To evaluate monolithic silica in spin columns for efficient high-throughput bioanalysis.
  • To demonstrate the advantages of spin column extraction in reducing sample preparation time.

Main Methods:

  • Utilized monolithic silica packed in spin columns for sample extraction.
  • Employed centrifugation for sample loading, washing, and elution steps.
  • Explored on-column derivatization for amine and carboxylic acid determination.

Main Results:

  • Spin column extraction significantly decreased sample preparation time.
  • The method proved effective for determining drugs and chemicals in biological matrices.
  • Increased laboratory productivity in bioanalytical workflows was observed.

Conclusions:

  • Monolithic silica spin column extraction offers a highly efficient approach to sample preparation.
  • This technique enhances productivity and reduces turnaround time in bioanalysis.
  • Spin column extraction is poised to become a standard method for biological sample processing.