“…This year's special issue has invited contributions from nine early career researchers, who were selected by the Editors, after having caught their attention as rising stars in the field of separation science. This current collection includes cutting edge original research papers discussing superficially porous particles and ultra-high pressure liquid chromatography in pharmaceutical separations [10], ultra-high performance supercritical fluid chromatography of dietary supplements [11], the impact of detectors on band-broadening in ultra-high performance methods [12], and multi-channel selective wavelength detection of benzo(a)pyrene isomers [13]. In addition, the collection includes substantial comprehensive critical review papers on topics as diverse as metal-organic frameworks in separation science [14], multidimension gas chromatography of essential oils [15,16], methods for purification and characterisation of extracellular vesicles [17], immobilized enzyme reactors [18], and morphologically ordered and 3D-printed stationary phases [19].…”