Bruker Corporation is a developer, manufacturer, and distributor of scientific instruments and analytical and diagnostic solutions. It has four operating segments: Bruker Scientific Instruments (BSI) BioSpin, BSI CALID, BSI Nano, and Bruker Energy & Supercon Technologies (BEST). The Bruker BioSpin Segment designs, manufactures, and distributes enabling life science tools based on magnetic resonance technology. The BSI CALID Segment designs, manufactures, and distributes life science mass spectrometry (MS) instruments, as well as solutions for microbial identification, antibiotic resistance, and susceptibility testing, polymerase chain reaction (PCR), research, analytical and process analysis instruments and solutions based on infrared and Raman molecular spectroscopy and imaging technologies, etc. The BSI Nano Segment provides X-ray instruments, analytical tools for electron microscopes, and atomic force microscopy instrumentation. The BEST Segment offers superconducting materials, primarily metallic low-temperature superconductors, for use in magnetic resonance imaging, nuclear magnetic resonance, fusion energy research, and other applications.