Sorbent, device, matrix and application in microextraction by packed sorbent (MEPS): A review

•MEPS is a green sample preparation technique that has been widely used by several research groups.•This review provides an overview of recent applications of MEPS in different research areas.•Sorbent type, matrix and device in MEPS are presented.•Future directions, progress and potential developments of the MEPS technique are discussed.