Spin-labeling of immunoglobulin carbohydrates
The oligosaccharide units of different immunoglobulins were spin-labeled after periodate oxidation. Electron spin resonance spectra of the spin-labeled immunoglobulins point out on the marked freedom of rotation of bound spin-label. Addition of antigen to the spin-labeled anti-human IgG antibodies does not result in any change of spectra. © 1978.