Advances in Sample Preparation is an Open Access journal devoted to publishing high-quality original research, reviews, tutorials and opinion articles covering with all aspects related to sample preparation. The journal welcomes the submission of original manuscripts on all fundamental and applied aspects related to sample preparation, which are at the forefront and cover discoveries in fundamentals, innovations in new extraction principles, materials, techniques and technologies, miniaturization, in vivo and on site sampling, automation, hyphenation, green sample preparation, and impactful applications in e.g. environmental, food and beverages, forensic, plants, pharmaceutical, bioanalysis and biomedical, as well as chemometric and computational approaches of relevance in these contexts. The journal places emphasis on scientifically rigorous studies related to sample preparation and only articles with a clear and strong research justification and novelty will be considered. All articles must align to green sample preparation or green analytical chemistry concepts and propose analytical practices that promote user's safety, safe materials and solvents, fast procedures, minimization of waste and energy. The use of metric tools to evaluate the greenness of the method is encouraged.