The mass spectrum of myoglobin,the oxygen-storage protein of red muscle,displayed on the computer screen of a VG BIO-Q mass spectrometer used for protein analysis at Oxford University. Mass spectrometers are used to identify chemical compounds by exploiting the behaviour of their molecular ions in magnetic & electric fields. Samples in liquid form are injected into the spectrometer (not visible here). Inside,the substance is ionised by bombardment from high- energy electrons. Variable electric and magnetic fields are used to accelerate & deflect the ions towards a detector | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Holmes, James / Oxford Centre for Molecular Sciences |
Taille de l’image : | 4403 px × 3201 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |