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MALDI-TOF Mass Spectrometry

Matrix Assisted Laser Desorption Ionisation Time of Flight Mass Spectrometry is a powerful tool for identifying large biomolecules. It supports the analysis of proteins, peptides and other complex compounds. The process begins by mixing the sample with a matrix that absorbs laser energy. This mixture is placed on a metal plate. A laser hits the mixture and vaporises the matrix. The matrix then carries the sample molecules into the gas phase and ionises them. The ions move into a time of flight analyser where they separate by mass to charge ratio. The system measures how long each ion takes to reach the detector. This measurement allows the instrument to determine the mass of each ion. The technique handles complex mixtures with very little fragmentation. It identifies high molecular weight compounds and supports work with synthetic polymers. It is also used to identify microbes and detect food fraud.

Shimadzu offers a vast portfolio of MALDI products, from the MALDI mini-1 digital ion trap mass spectrometer and the MALDI-8020/30 benchtop linear MALDI-TOF mass spectrometer which deliver outstanding performance in a compact footprint, to the AXIMA series MALDI-TOF and MALDI-TOF/TOF mass spectrometers, which provide simple and accurate mass measurements. Shimadzu’s MALDI-TOF Mass Spectrometry and TOF/TOF instruments are an affordable and robust option for all laboratories requiring routine manual or automated analysis of a wide variety of sample classes.

The AXIMA Microorganism Identification System offers rapid and simple microbial identification. It delivers reliable identification results in under two minutes. Sample preparation takes only three steps and needs no gram staining. The system includes a validated database for bacteria and fungi. Optional Strain Solution software improves strain level identification. This makes the system suitable for laboratories that need fast and trusted results.

Mason Technology supplies a full range of MALDI TOF instruments and accessories. Our solutions provide high sensitivity and reliable accuracy for Irish laboratories. They support routine testing and advanced research across many scientific fields.

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