The articles in TrAC are concise, critical overviews of new developments in analytical chemistry, which are aimed at helping analytical chemists and other users of analytical techniques. These critical reviews comprise excellent, up-to-date, timely coverage of topics of interest in analytical chemistry, such as: analytical instrumentation, biomedical analysis, biomolecular analysis, biosensors, chemical analysis, chemometrics, clinical chemistry, drug discovery, environmental analysis and monitoring, food analysis, forensic science, laboratory automation, materials science, metabolomics, pesticide-residue analysis, pharmaceutical analysis, proteomics, surface science, and water analysis and monitoring. General issues contain critical review articles. Special Issues provide comprehensive updates with critical review articles on particularly topical fields of interest in analytical chemistry. Please note that all articles published in the journal are by invitation of one of the Editors. If you wish to submit a review to TrAC and have not been invited by one of the Editors, please first submit a short proposal using the standard review proposal template directly to the Journal Editorial Office, [email protected]. When submitting a Proposal, please indicate which of the listed Contributing Editor(s) of TrAC you feel is best suited to review your proposal (please list a maximum of 3 in order of preference). Authors will then be required to select the same Editor that approved the proposal when completing their final submission. Only once you have received approval from a Contributing Editor that your proposal has been accepted should you submit your paper to the journal. All reviews should be submitted via Editorial Manager and will be subject to the normal peer review process. If you wish to submit a proposal for a Special Issue, please submit first a short proposal using the standard Special Issue template directly to the journal ([email protected]) and include the listed Contributing Editor(s) of TrAC you feel is best suited to support your proposal. PLEASE NOTE: TrAC will not accept any submissions that have not had either an approved proposal or invitation to submit from an Editor. Benefits to authors We also provide many author benefits, such as free PDFs, a liberal copyright policy, special discounts on Elsevier publications and much more. .