Research Lines

The analysis of stable isotopes fixed in the collagen of bones and teeth represents the classic approach for investigating both the dietary habits and mobility of past populations. By studying carbon (C) and nitrogen (N) isotopes, it is possible to explore the contribution of carbohydrates and animal proteins in the diet, while sulphur (S) isotopes can enrich this information by providing more detail on the food sources. Strontium (Sr) and oxygen (O) isotopes from tooth enamel allow for the investigation of population mobility and the tracking of potential migratory movements. The collagen samples obtained are then analysed using Isotope Ratio Mass Spectrometry (IRMS).

Stable isotopes

Fauna plays a crucial role in isotopic analyses, as it provides the essential basis for interpreting human isotopic data. However, when identifying animal bone fragments becomes challenging, the recent technique known as Zooarchaeology by Mass Spectrometry (ZooMS) proves to be a valuable tool. By analysing specific peptide sequences in collagen, it is possible to accurately determine the animal species, thus significantly enhancing the clarity and reliability of the obtained data.

ZooMS

The analysis of incremental dentine provides a unique window into the lives of past individuals, allowing for the reconstruction of what could be considered their isobiography. This approach highlights the evolution of an individual's diet over their lifetime, providing insights into key moments such as breastfeeding, weaning, and the early years of adulthood. Depending on the teeth selected during sampling, it is possible to obtain specific isotopic data on the nutritional development of the individual during these phases.

Incremental dentine

The analysis of collagen amino acids, performed using the advanced technique of Compound Specific Stable Isotope Analysis of Amino Acids (CSIA-AA), provides detailed information on the trophic levels of ancient populations. This method analyses the amino acids present in collagen from skeletal remains to reconstruct with greater precision the diet and ecological interactions of prehistoric societies, offering a more accurate picture of their eating habits and environmental dynamics.

CSIA-AA

The research team is dedicated to the formation of archaeological databases through the collection, organisation, and analysis of data from various sources. Using advanced tools, the team conducts meta-analyses of 'Big Data' with the goal of identifying patterns and trends in archaeological finds, thereby enhancing our understanding of ancient societies and their dynamics. This innovative approach allows for the integration of information from different disciplines, enriching research and historical reconstruction.

Database

Our inter-university laboratory is continually engaged in the development and refinement of both classic and new protocols used in stable isotope analysis, demonstrating an ongoing and tireless commitment to research and innovation in this specific field.

Metodi