Hamamatsu Photonics has newly developed ionization-assisting substrates that will drastically reduce the pretreatment time in imaging mass spectrometry.

  • HAMAMATSU Photonics K.K. Electron Tube Division Sales Promotion Department

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Ionization-assisting substrates DIUTHAME series

Hamamatsu Photonics has newly developed ionization-assisting substrates called the DIUTHAME series. DIUTHAME is an acronym for Desorption Ionization Using Through Hole Alumina MEmbrane that utilize porous alumina to drastically reduce the pretreatment time needed for ionizing a sample or analyte to be analyzed by imaging mass spectrometry. To complete sample-pretreatment for mass spectrometry, all one has to do is place the DIUTHAME substrate on the sample. This shortens the pretreatment time to about one tenth that of Matrix-Assisted Laser Desorption/Ionization or MALDI which is a mainstream ionization technique for mass spectrometry. DIUTHAME is also usable for measurement with existing MALDI-TOF-MS.

※Porous alumina:Aluminum oxide having uniformly arranged fine through-holes.
※TOF-MS:Time-of-flight mass spectrometer used to measure mass based on the time taken for an ion to travel a given distance.