Articles | Volume 2, issue 1
Special issue editorial
17 Jun 2021
Special issue editorial |  | 17 Jun 2021

Introduction to a special issue of Magnetic Resonance in honour of Robert Kaptein at the occasion of his 80th birthday

Rolf Boelens, Konstantin Ivanov, and Jörg Matysik

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Cited articles

Akasaka, K., Fujii, S., and Kaptein, R.: Exposure of Aromatic Residues of Streptomyces Subtilisin Inhibitor. A Photo-CIDNP study, J. Biochem.-Tokyo, 89, 1945–1949,, 1981. 
Bargon, J., Fischer, H., and Johnson, U.: Kernresonanz-Emissionslinien während rascher Radikalreaktionen. 1. Aufnahmeverfahren und Beispiele, Z. Naturforsch., 22a, 1551–1555,, 1967. 
Berliner, L. J. and Kaptein, R.: NMR Characterization of Aromatic Residues of α-Lactalbumins. Laser Photo Chemically Induced Dynamic Nuclear Polarization Nuclear Magnetic Resonance Studies of Surface Exposure, Biochemistry, 20, 799–807,, 1981. 
Bernard, C., Houben, K., Derix, N. M., Marks, D., van der Horst, M. A., Hellingwerf, K. J., Boelens, R., Kaptein, R., and van Nuland, N. A. J.: The solution structure of a transient photoreceptor intermediate: Δ25 photoactive yellow protein, Structure, 13, 953–962,, 2005. 
Boelens, R., Scheek, R. M., Dijkstra, K., and Kaptein, R.: Sequential Assignment of Imino- and Amino-Proton Resonances in 1H NMR Spectra of Oligonucleotides by Two-Dimensional NMR Spectroscopy. Application to a lac Operator Fragment, J. Magn. Reson., 62, 378–386,, 1985. 
Short summary
This publication presents research in biomolecular NMR, spin hyperpolarisation and spin chemistry. Robert Kaptein made key contributions to magnetic resonance and proposed the radical pair mechanism for chemically induced dynamic nuclear polarisation (CIDNP). He developed laser CIDNP and computational methods for protein structure determination. He is known for studying the lac repressor and its DNA complexes. He played a leading role in establishing the NMR large-scale facilities in Europe.