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Related Concept Videos

MALDI-TOF Mass Spectrometry01:19

MALDI-TOF Mass Spectrometry

Mass spectrometry is a powerful characterization technique that can identify and separate a wide variety of compounds ranging from chemical to biological entities, based on their mass-to-charge ratio (m/z). The instruments that allow this detection, known as mass spectrometers, have three components: an ion source, a mass analyzer, and a detector. These spectrometers differ based on the nature of their ion source and analyzers.Matrix-assisted laser desorption ionization (MALDI) is a commonly...
Tandem Mass Spectrometry01:21

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 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.
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Peptide Identification Using Tandem Mass Spectrometry01:33

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Proteomics01:33

Proteomics

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Resolving Affinity Purified Protein Complexes by Blue Native PAGE and Protein Correlation Profiling
09:35

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Published on: April 1, 2017

Using HPLC-mass spectrometry to teach proteomics concepts with problem-based techniques.

Michael Short1, Anne Short, Rachel Vankempen

  • 1Department of Chemistry, Hope College, Holland, Michigan 49423; Department of Biology, Hope College, Holland, Michigan 49423; Montana State University, Bozeman, Montana. short@hope.edu.

Biochemistry and Molecular Biology Education : a Bimonthly Publication of the International Union of Biochemistry and Molecular Biology
|May 14, 2011
PubMed
Summary
This summary is machine-generated.

Undergraduate students learned proteomics concepts using high-performance liquid chromatography-mass spectrometry (HPLC-MS) to analyze protein digests. This problem-based experiment successfully identified peptides, demonstrating effective teaching of complex biochemistry topics.

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Published on: November 15, 2017

Area of Science:

  • Biochemistry
  • Analytical Chemistry
  • Proteomics

Background:

  • Proteomics involves complex techniques that can be challenging for undergraduate students.
  • Traditional laboratory instruction may not fully engage students in problem-solving.

Purpose of the Study:

  • To provide practical instruction on proteomics concepts using a problem-based approach.
  • To demonstrate the utility of high-performance liquid chromatography coupled with mass spectrometry (HPLC-MS) in undergraduate biochemistry laboratories.

Main Methods:

  • Students utilized peptide calculator websites for pre-laboratory preparation, calculating parent ion patterns.
  • Analysis of simulated protein digests (dipeptides) and a real-world sample (lysozyme) using HPLC-MS.
  • Identification of peptides using mass spectral data and the FindPept tool.

Main Results:

  • Successful identification of individual dipeptides in simulated mixtures.
  • Identification of key tryptic peptides from digested lysozyme.
  • Students effectively applied HPLC-MS techniques to analyze protein samples.

Conclusions:

  • Complex proteomics concepts can be effectively taught in undergraduate biochemistry labs.
  • A problem-based approach using HPLC-MS enhances student learning and engagement.
  • This methodology provides valuable hands-on experience in modern analytical techniques.