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Mass Spectrometry: Complex Analysis

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...

Tandem Mass Spectrometry

Tandem Mass Spectrometry

Tandem mass spectrometry is a technique that uses multiple mass analyzers in series to obtain a higher selectivity and reduce chemical noise during analyte detection. Instruments with multiple analyzers separated by an interaction cell enable secondary fragmentation and selected study of the fragment ions.Secondary fragmentations occur in the interaction cell and can be induced by various factors. Fragmentation induced by collision with inert gases, such as N2, Ar, He, etc., is called...

Mass Analyzers: Overview

Mass Analyzers: Overview

The mass analyzer is a crucial component of the mass spectrometer. In the ionization chamber, the vaporized sample is bombarded with a high-energy electron beam to generate a radical cation and further fragment into neutral molecules, radicals, and cations. A series of negatively charged accelerator plates accelerate the cations into the mass analyzer. The mass analyzer separates ions according to their mass-to-charge (m/z) ratios and then directs them to the detector. The common types of mass...

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Related Experiment Video

Updated: Jul 5, 2026

Multi-step Preparation Technique to Recover Multiple Metabolite Compound Classes for In-depth and Informative Metabolomic Analysis

Multi-step Preparation Technique to Recover Multiple Metabolite Compound Classes for In-depth and Informative Metabolomic Analysis

Published on: July 11, 2014

Advances in multiple analyte profiling.

Virginia M Salas¹, Bruce S Edwards, Larry A Sklar

¹New Mexico Molecular Libraries Screening Center, University of New Mexico, Cancer Research and Treatment Center, 2325 Camino de Salud, Albuquerque, New Mexico 87131, USA.

Advances in Clinical Chemistry

|April 24, 2008

Summary

This summary is machine-generated.

Multiparameter technology enables simultaneous measurement of multiple biological analytes. This includes high-content analysis in microscopy and flow cytometry, and multiplexing technologies for genome and biomarker analysis.

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Deep Proteome Profiling by Isobaric Labeling, Extensive Liquid Chromatography, Mass Spectrometry, and Software-assisted Quantification

Deep Proteome Profiling by Isobaric Labeling, Extensive Liquid Chromatography, Mass Spectrometry, and Software-assisted Quantification

Published on: November 15, 2017

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Last Updated: Jul 5, 2026

Multi-step Preparation Technique to Recover Multiple Metabolite Compound Classes for In-depth and Informative Metabolomic Analysis

Multi-step Preparation Technique to Recover Multiple Metabolite Compound Classes for In-depth and Informative Metabolomic Analysis

Published on: July 11, 2014

Deep Proteome Profiling by Isobaric Labeling, Extensive Liquid Chromatography, Mass Spectrometry, and Software-assisted Quantification

Deep Proteome Profiling by Isobaric Labeling, Extensive Liquid Chromatography, Mass Spectrometry, and Software-assisted Quantification

Published on: November 15, 2017

Area of Science:

Biotechnology
Molecular Biology
Bioanalytical Chemistry

Background:

Biological systems' complexity necessitates advanced analytical techniques.
Multiparameter technology offers solutions for high-content and multiplexed measurements.
Current applications focus on understanding biological complexity and disease mechanisms.

Purpose of the Study:

To review the advancements and applications of multiparameter technologies.
To differentiate between high-content analysis and multiplexing approaches.
To highlight the role of these technologies in biological research and diagnostics.

Main Methods:

High-content measurements utilize microscopy and flow cytometry for multiple fluorescence signatures.
Multiplexing technologies employ address systems (spatial or fluorescent) for simultaneous analyte detection.
Planar and suspension arrays are key platforms for multiplexed assays.

Main Results:

High-content analysis integrates fluorescence and topographical data.
Multiplexing enables simultaneous detection of multiple analytes with distinct addressing.
Commercial applications are prominent in genome and biomarker analysis.
Planar arrays offer genome-wide probing, while suspension arrays allow customized genomic segment analysis.

Conclusions:

Multiparameter technologies, including high-content analysis and multiplexing, are crucial for deciphering biological complexity.
These technologies have revolutionized fields like genomics and biomarker discovery.
Future developments promise even more sophisticated tools for biological research and clinical diagnostics.