Focusing on the spin-labeling technique, this volume marks a shift in editorial policy following the retirement of coeditor Jacques Reuben. It features a collection of advancements and applications from the past decade, highlighting the contributions of pioneering scientists Eduard G. Rozantsev and Harden M. McConnell. Future issues will explore various topics in magnetic resonance, with guest editors guiding each volume. Notable omissions in this issue may be addressed in later publications, ensuring ongoing exploration of this vital field in biological magnetic resonance.
