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Updated: Feb 24, 2026

Author Spotlight: Technologies and Challenges in Elemental Analysis of Food Samples
Published on: December 22, 2023
Flexible Automation System for Determination of Elemental Composition of Incrustations in Clogged Biliary
Heidi Fleischer1, Kinjal Ramani1, Koffi Blitti1
11 Institute of Automation, University of Rostock, Rostock, Germany.
Abstract:
Automation systems are well established in industries and life science laboratories, especially in bioscreening and high-throughput applications. An increasing demand of automation solutions can be seen in the field of analytical measurement in chemical synthesis, quality control, and medical and pharmaceutical fields, as well as research and development. In this study, an automation solution was developed and optimized for the investigation of new biliary endoprostheses (stents), which should reduce clogging after implantation in the human body. The material inside the stents (incrustations) has to be controlled regularly and under identical conditions. The elemental composition is one criterion to be monitored in stent development. The manual procedure was transferred to an automated process including sample preparation, elemental analysis using inductively coupled plasma mass spectrometry (ICP-MS), and data evaluation. Due to safety issues, microwave-assisted acid digestion was executed outside of the automation system. The performance of the automated process was determined and validated. The measurement results and the processing times were compared for both the manual and the automated procedure. Finally, real samples of stent incrustations and pig bile were analyzed using the automation system.
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