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Related Concept Videos

High-Resolution Mass Spectrometry (HRMS)01:15

High-Resolution Mass Spectrometry (HRMS)

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The resolution of a mass spectrometer depends on the efficiency of separating ions with different ion masses. The mass of an atom is approximated to the sum of the masses of protons and neutrons inside, considering the masses of protons and neutrons as equal. However, the masses of the proton (1.6726 × 10−24 g) and neutron (1.6749 × 10−24 g) are not truly equal. There is a minor error in the expression of atomic masses relative to the simplest atom of hydrogen. For...
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  11. Compositional Analysis Of Archaeological Leather And Simulated Leather And Their Degradation Research Based On Hrms.
  1. Home
  3. Research Domains
  5. Engineering
  7. Materials Engineering
  9. Wearable Materials
  11. Compositional Analysis Of Archaeological Leather And Simulated Leather And Their Degradation Research Based On Hrms.

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Compositional analysis of archaeological leather and simulated leather and their degradation research based on HRMS.

Xihe Yang1, Yizhu Liu2, Zhenzhuo Liu1

  • 1Department of Chemistry, Zhejiang University, Hangzhou 310058, Zhejiang, China. cuiyl@zju.edu.cn.

Analytical Methods : Advancing Methods and Applications
|July 22, 2025

View abstract on PubMed

Summary
This summary is machine-generated.

High-resolution mass spectrometry (HRMS) offers a new way to analyze ancient leather degradation. Specific amino acid ratios and degradation products help determine the aging status of leather artifacts.

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Area of Science:

  • Archaeological science
  • Analytical chemistry
  • Materials science

Background:

  • Leather has been vital for attire and protection since antiquity.
  • Understanding the chemical changes in aged leather is crucial for conservation.

Purpose of the Study:

  • To develop and apply high-resolution mass spectrometry (HRMS) for analyzing archaeological leather.
  • To identify chemical markers for assessing leather degradation and aging.

Main Methods:

  • Simulated degradation experiments on leather samples.
  • Non-targeted component detection using HRMS.
  • Comparative amino acid analysis of simulated and archaeological leathers.

Main Results:

  • L-hydroxyproline content and isoleucine/leucine to valine ratios indicate leather aging.
  • Identified numerous degradation products, including succinic acid, L-carnitine, and 4-guanidinobutanoic acid.
  • 4-Guanidinobutanoic acid was found in both simulated and archaeological leathers.

    • Conclusions:

    • HRMS provides a powerful tool for analyzing ancient leather composition and degradation.
    • The study offers new parameters for evaluating leather aging status.
    • HRMS enables early detection of degradation in cultural relics, aiding conservation prioritization.