Related Experiment Video
Updated: May 31, 2025
10:12
Synchrotron X-ray Microdiffraction and Fluorescence Imaging of Mineral and Rock Samples
Published on: June 19, 2018
8.9K
Cross-Regional Elemental Comparison of Mussels Using Total Reflection X-Ray Fluorescence (TXRF)
Nina-Nicoleta Lazăr1, Ira-Adeline Simionov1,2, Mădălina Călmuc1
1REXDAN Research Infrastructure, 'Dunărea de Jos' University of Galati, 98 George Coșbuc Street, 800385 Galati, Romania.
Molecules (Basel, Switzerland)
|January 25, 2025
Summary
Total Reflection X-ray Fluorescence effectively analyzes multi-elemental composition in mussels. Geographic origin significantly impacts mussel elemental profiles, offering insights for food safety and environmental monitoring.
Area of Science:
- Environmental Science
- Analytical Chemistry
- Marine Biology
Background:
- Mussels are vital bioindicators of marine environmental quality.
- Understanding elemental composition in mussels is crucial for food safety and public health.
- Regional variations in elemental content can reflect diverse environmental conditions.
Purpose of the Study:
- To evaluate Total Reflection X-ray Fluorescence (TXRF) for multi-elemental analysis in mussels.
- To compare the elemental composition of mussels from different aquaculture regions (Italy, Spain, Chile).
- To investigate the influence of geographic origin on mussel elemental profiles.
Main Methods:
- Utilized Total Reflection X-ray Fluorescence (TXRF) for multi-element analysis.
- Analyzed mussel samples prepared as suspensions.
- Performed cross-regional comparisons of elemental content in Mytilus galloprovincialis and Mytilus chilensis.
- Employed correlation matrices to assess element associations.
Main Results:
- TXRF demonstrated high sensitivity and precision for detecting minor and trace elements in mussels.
- Recovery rates exceeded 80% for key elements like Fe, Cu, Zn, As, and Sr.
- Significant variations in elemental composition were observed among mussels from different geographic locations.
- Element associations varied, suggesting regional environmental influences on bioaccumulation.
Conclusions:
- TXRF is a suitable method for multi-elemental analysis in mussels.
- Geographic origin is a significant determinant of mussel elemental composition.
- Findings provide insights into environmental influences on mussel bioaccumulation.
- Further research is recommended for comprehensive elemental databases and temporal variation analysis.
Related Concept Videos
01:20Atomic Emission Spectroscopy: Overview
1.4K
Atomic emission spectroscopy (AES) is an analytical technique used to determine the elemental composition of a sample by analyzing the light emitted from excited atoms. In AES, atoms in a sample are excited to higher energy levels by thermal energy from high-temperature sources, such as plasma, arcs, or sparks. When these excited atoms return to lower energy states, they emit light at specific wavelengths characteristic of each element. The resulting atomic emission spectrum, which consists of...
1.4K
01:07Scanning Electron Microscopy
4.1K
A scanning electron microscope (SEM) is used to study the surface features of a sample by using an electron beam that scans the sample surface in a two-dimensional manner. Typically, areas between ~1 centimeter to 5 micrometers in width can be imaged. SEM can be used to image bacteria, viruses, tissues as well as larger samples like insects. Conventional SEM gives a magnification ranging from 20X to 30,000X and spatial resolution of 50 to 100 nanometers.
Fundamental Principles
Accelerated...
Fundamental Principles
Accelerated...
4.1K