Fig. 1: View of the SuperMaMa laboratory at the University of Vienna. The hanging gold-plated insert is the radiation shield behind which the superconducting nanowire detectors are installed. C: Quantennanophysik @ Universität Wien
Fig. View of the SuperMaMa laboratory at the University of Vienna. The hanging gold-plated insert is the radiation shield behind which the superconducting nanowire detectors are installed. C: Quantennanophysik @ Universität Wien Detection efficiency 1,000 times higher than conventional ion detectors due to high sensitivity An international research team led by quantum physicist Markus Arndt (University of Vienna) has achieved a breakthrough in the detection of protein ions: Due to their high energy sensitivity, superconducting nanowire detectors achieve almost 100% quantum efficiency and exceed the detection efficiency of conventional ion detectors at low energies by a factor of up to a 1,000. In contrast to conventional detectors, they can also distinguish macromolecules by their impact energy. This allows for more sensitive detection of proteins and it provides additional information in mass spectrometry. The results of this study were recently published in the journal Science Advances.
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