Teaching third-year students MALDI-TOF using a combination of online interactive simulation and face-to-face
Layla Mahdi1,2, Gareth Denyer3, Maurizio Costabile1,4
1Adelaide University, School of Pharmacy and Biomedical Sciences, Adelaide, South Australia, Australia.
Journal of Microbiology & Biology Education
|April 1, 2026
Summary
An online simulation for matrix-assisted laser desorption ionization-time-of-flight mass spectrometry (MALDI-TOF) improved student learning in infectious diseases. This cost-effective approach enhances education when access to expensive diagnostic equipment is limited.
Area of Science:
- Clinical Microbiology
- Medical Education
- Diagnostic Technology
Background:
- Accurate identification of disease-causing microorganisms is crucial in clinical microbiology.
- Matrix-assisted laser desorption ionization-time-of-flight mass spectrometry (MALDI-TOF) is a key technology for microbial identification.
- Limited access to MALDI-TOF equipment hinders hands-on training for students in many educational settings.
Purpose of the Study:
- To evaluate the effectiveness of a blended learning approach using an online MALDI-TOF simulation for teaching diagnostic microbiology.
- To provide students with practical experience in microbial identification techniques despite equipment limitations.
Main Methods:
- Implemented a blended teaching strategy combining in-person practical sessions with an interactive online MALDI-TOF mass spectrometry simulation.
- Students processed virtual patient samples, performed microbiological tests, and used the simulation to generate and interpret MALDI-TOF data.
- Assessed learning outcomes through written laboratory reports and student questionnaires.
Main Results:
- Students showed significant improvements in self-reported understanding of MALDI-TOF principles and application.
- Nearly all participants successfully passed the written assessment, indicating effective knowledge acquisition.
- The simulation was perceived as enjoyable, interactive, and conducive to authentic learning.
Conclusions:
- Online simulations offer a cost-effective and scalable solution for training students in advanced diagnostic techniques like MALDI-TOF.
- This approach effectively bridges the gap in practical education caused by limited access to expensive laboratory equipment.
- Simulations enhance student engagement and provide valuable hands-on experience in diagnostic microbiology.


