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Related Concept Videos

Mass Spectrometry: Complex Analysis01:21

Mass Spectrometry: Complex Analysis

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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.
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Higher molecular weight biomolecules are nonvolatile compounds that may decompose before ionizing or vaporizing during mass analysis with conventional electron impact ionization methods. Accordingly, electrospray ionization (ESI) is the favored method for vaporizing and ionizing biomolecules as it circumvents rapid fragmentation and enables the recording of mass signals for the entire biomolecule.
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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...
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Tandem mass spectrometry, also known as MS/MS or MS2, is an analytical technique that employs two mass analyzers. Essentially it is a series of mass spectrometers that helps isolate a particular biomolecule and then helps study its chemical properties.
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Updated: Mar 28, 2026

High-throughput and Comprehensive Drug Surveillance Using Multisegment Injection-Capillary Electrophoresis-Mass Spectrometry
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Emerging flow injection mass spectrometry methods for high-throughput quantitative analysis.

Sergio C Nanita1, Laura G Kaldon2

  • 1DuPont Crop Protection, Stine-Haskell Research Center, 1090 Elkton Road, Newark, DE, 19714, USA. sergio.c.nanita@dupont.com.

Analytical and Bioanalytical Chemistry
|December 17, 2015
PubMed
Summary

Flow injection analysis mass spectrometry (FIA-MS) offers rapid, reliable quantitative screening, balancing the speed of ambient MS with the accuracy of chromatography-MS. Its versatility spans diverse applications, from clinical diagnostics to environmental monitoring.

Keywords:
Bio-analysisComplex matricesFlow injection analysisHigh-throughput analysisPesticidesPharmaceuticalsTandem mass spectrometryTrace-level analysis

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Area of Science:

  • Analytical Chemistry
  • Mass Spectrometry
  • Chemical Analysis

Background:

  • Flow injection analysis mass spectrometry (FIA-MS) has seen rapid advancements, expanding its applications.
  • FIA-MS offers advantages over chromatography-MS, including faster analysis times (<60s) and method simplicity.
  • Compared to ambient MS techniques, FIA-MS provides high-throughput analysis without significant compromise in sensitivity, precision, or accuracy.

Purpose of the Study:

  • To position FIA-MS relative to ambient MS and chromatography-MS.
  • To highlight the expanding uses and key advantages of FIA-MS.
  • To discuss the factors driving the increased adoption of FIA-MS for high-throughput quantitative analysis.

Main Methods:

  • Review and comparison of FIA-MS with chromatography-MS and ambient MS techniques.
  • Discussion of quantitative analysis capabilities of FIA-MS for diverse analytes.
  • Examination of factors contributing to the growth of FIA-MS applications.

Main Results:

  • FIA-MS demonstrates fast and reliable quantitative screening of diverse analytes (pharmaceuticals, pesticides, etc.) in complex matrices.
  • Analyte quantitation ranges from ppb to ppm levels, applicable in clinical diagnostics, metabolomics, environmental science, and toxicology.
  • FIA-MS provides a balance between analytical capability and sample throughput, positioning it between ambient MS and chromatography-MS.

Conclusions:

  • FIA-MS is increasingly recognized for rapid and reliable quantitative screening.
  • Advancements in MS instrumentation and sample preparation (e.g., SALLE, NH4(+) QuEChERS) support FIA-MS growth.
  • FIA-MS offers a balanced approach for broad applications in life sciences, agricultural chemistry, and consumer safety.