Multi-isotope imaging mass spectrometry (MIMS) ... (81 Br, 127 I), which are found at extremely low background concentrations in most tissues.

In their study, Hoff and colleagues looked at strontium-73 (38 protons and 35 neutrons) and bromine-73 (35 protons and 38 neutrons). However, their original plan was to study the rapid proton capture ...

Isotope ratio mass spectrometry is a specialized method used to obtain information about the biological, chemical, and geographic origins of substances. The isotope ratios of elements such as N, C, ...