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However, low\u2010cost and easily accessible formulation and delivery systems for narcotic scent mimics have thus far been lacking. In this work, we assess the potential of synthetic (metal\u2010organic framework, MOF) and natural (cotton) materials as carrier and delivery agents for pseudoscent chemicals mimicking cocaine and methamphetamine. Through liquid chromatography\u2010based analysis, both materials demonstrate capabilities to act as inert absorbents for the scent mimics, with cotton being the more effective material. Cotton material provides a safe, durable and inexpensive medium for pseudoscent storage and release. The pseudoscent delivery systems are easy to formulate, store and distribute, thus enabling widespread use for both specialised training and public educational purposes.<\/jats:p>","DOI":"10.1155\/ianc\/2222059","type":"journal-article","created":{"date-parts":[[2026,2,5]],"date-time":"2026-02-05T05:28:43Z","timestamp":1770269323000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Formulation and Delivery Systems of Cocaine and Methamphetamine Scent Mimics"],"prefix":"10.1155","volume":"2026","author":[{"given":"Silvia T.","family":"Mo","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Issac C. C.","family":"Cheng","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8838-6136","authenticated-orcid":false,"given":"H. T. 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