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Related Concept Videos

Optimizing Chromatographic Separations01:15

Optimizing Chromatographic Separations

Optimizing chromatographic separations is crucial for obtaining clean separations in a minimum amount of time. Optimization is required for several factors, including kinetic effects related to band broadening, plate height, capacity factor, and separation factor.
Band broadening refers to spreading solute bands as they travel through the column. This broadening can impact resolution. Plate height (H) represents the length required for one theoretical plate. A lower plate height corresponds to...
Mass Spectrometry: Complex Analysis01:21

Mass Spectrometry: Complex Analysis

Mass spectrometry is an important technique for the identification of pure compounds. However, it has some limitations for the analysis of complex mixtures, often due to excessive fragmentation making the spectrum too complicated to decipher. Mass spectrometry can be combined with suitable separation methods in sequence, forming hyphenated methods, which are useful in the analysis of complex mixtures.
GC–MS is a powerful hyphenated method commonly used in forensics and environmental...
Capillary Electrophoresis: Applications01:30

Capillary Electrophoresis: Applications

Capillary electrophoretic separations offer various modes, each with unique applications. These modes include capillary zone electrophoresis, capillary gel electrophoresis, capillary array electrophoresis, capillary isoelectric focusing, capillary isotachophoresis, micellar electrokinetic chromatography, and capillary electrochromatography.
Capillary zone electrophoresis (CZE) separates ionic components based on their electrophoretic mobility. It has been used to separate proteins, amino acids,...
Principles Of Column Chromatography01:13

Principles Of Column Chromatography

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...
Chromatography: Introduction01:10

Chromatography: Introduction

Chromatography is a technique used to separate compounds based on differences of partitioning between two phases, the stationary phase and the mobile phase.
The phase in which the compounds linger or on which the compounds adsorb is called the stationary phase, whereas the mobile phase is the solvent that carries the solutes to be analyzed. In traditional column chromatography, the mixture flows through the stationary phase, and the compounds partition between the stationary and mobile phases...
Chromatographic Methods: Classification01:12

Chromatographic Methods: Classification

Chromatographic techniques are classified in three ways: the classification is based on the physical state of the stationary and mobile phases, how the mobile phase and the stationary phase contact each other, or through the chemical or physical processes that isolate the components of the sample. Typically, the mobile phase is either a liquid or gas, while the stationary phase is either a solid or a liquid layer applied to a solid surface.
Chromatographic techniques are typically named by...

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Related Experiment Video

Updated: Jul 13, 2026

Chromatographic Fingerprinting by Template Matching for Data Collected by Comprehensive Two-Dimensional Gas Chromatography
10:14

Chromatographic Fingerprinting by Template Matching for Data Collected by Comprehensive Two-Dimensional Gas Chromatography

Published on: September 2, 2020

Recent advancements in comprehensive two-dimensional separations with chemometrics.

Karisa M Pierce1, Jamin C Hoggard, Rachel E Mohler

  • 1Department of Chemistry, Box 351700, University of Washington, Seattle, WA 98195-1700 USA.

Journal of Chromatography. A
|August 19, 2007
PubMed
Summary

Advanced chemometric software enhances complex data analysis from comprehensive two-dimensional separations. Future developments require collaboration for commercializing novel techniques in fields like metabolomics and pharmaceuticals.

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Chromatographic Fingerprinting by Template Matching for Data Collected by Comprehensive Two-Dimensional Gas Chromatography
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Qualitative Characterization of the Aqueous Fraction from Hydrothermal Liquefaction of Algae Using 2D Gas Chromatography with Time-of-flight Mass Spectrometry
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Area of Science:

  • Analytical Chemistry
  • Chemometrics
  • Data Science

Background:

  • Comprehensive two-dimensional (2D) separations generate vast, complex datasets.
  • Chemometric software is crucial for extracting meaningful information from this data.
  • Current software is evolving from single analyte to comprehensive non-target analysis.

Purpose of the Study:

  • To highlight the evolution and impact of chemometric software in analyzing complex separation data.
  • To emphasize the need for collaboration in commercializing advanced chemometric techniques.
  • To discuss the broadening applications of these techniques across various scientific fields.

Main Methods:

  • Review of advancements in chemometric software for multidimensional data analysis.
  • Discussion of the transition from targeted to non-targeted analysis.
  • Examination of software development for gas and liquid chromatography-based instrumentation.

Main Results:

  • Significant progress has been made in software for analyzing complex sample profiles.
  • Chemometric tools are increasingly vital for applications in fuels, food, environmental, and pharmaceutical analysis.
  • Development has primarily focused on gas chromatography (GC x GC, GC x GC-TOF-MS) but is expanding to liquid chromatography.

Conclusions:

  • Continued evolution of chemometric software is essential for handling complex analytical data.
  • Collaboration between software developers, instrument manufacturers, and researchers is key for future innovation.
  • The impact of these advancements spans diverse scientific disciplines, driving discovery and data-driven insights.