Ion GeneStudio S5 Thermo Fisher The Ion GeneStudio S5 Thermo Fisher provides reproducible chip loading by automating multiple manual chip-loading steps. The sophisticated visual system inside the Ion Chef System is designed to help reduce user-introduced error and variability by providing barcode reading and positive identification of samples, chips, and reagents. The visual system performs the setup check before the run, as well as the reagents and consumables load and unload check, calibration, and diagnostics.