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Peptide Identification Using Tandem Mass Spectrometry

Peptide Identification Using Tandem Mass Spectrometry

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.
This technique helps gather information regarding the protein from which the peptide was obtained and to study the peptides’ amino acid sequence. Identifying peptides from a complex mixture is an important component of the growing field of...

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Updated: Jun 15, 2025

Formation of Ordered Biomolecular Structures by the Self-assembly of Short Peptides

Formation of Ordered Biomolecular Structures by the Self-assembly of Short Peptides

Published on: November 21, 2013

Recent progress in quantitative analysis of self-assembled peptides.

Xiaoyao Cai¹, Wei Xu², Chunhua Ren¹

¹Key Laboratory of Radiopharmacokinetics for Innovative Drugs, Chinese Academy of Medical Sciences, Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine Chinese Academy of Medical Sciences & Peking Union Medical College Tianjin P. R. China.

Exploration (Beijing, China)

|August 23, 2024

Summary

Quantitative techniques are crucial for understanding self-assembled peptides, versatile biomaterials with broad biomedical uses. This review details methods for analyzing peptide biostability, cellular uptake, and assembly, aiding researchers in peptide-based material development.

Keywords:

Imaging techniques LC‐MS Molecular dynamics simulation Quantitative analysis Self‐assembled peptides

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Last Updated: Jun 15, 2025

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Area of Science:

Biomaterials Science
Peptide Chemistry
Nanotechnology

Background:

Self-assembled peptides are vital biomaterials due to their biocompatibility and diverse functions.
Significant advancements have been made in designing self-assembled peptides for biomedical applications.

Purpose of the Study:

To provide a comprehensive review of quantitative techniques for investigating self-assembled peptides.
To highlight the applications and roles of these techniques in understanding peptide behavior and development.

Main Methods:

Review of quantitative analysis techniques including imaging-based methods, chromatography, and molecular dynamics simulations.
Summarization of recent progress in quantitative investigation of biostability, cellular uptake, biodistribution, and self-assembly behaviors.

Main Results:

Quantitative techniques are powerful tools for exploring the structure, properties, and assembly processes of self-assembled peptides.
Detailed applications and roles of various quantitative methods are presented.

Conclusions:

A comprehensive review of quantitative techniques for self-assembled peptides is currently lacking.
This review offers technical guidance for researchers in peptide-based materials and pharmaceuticals.