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Book title: Light in Forensic Science: Issues and Applications
Editors: Miolo G, Stair JL, Zloh M
Publisher: The Royal Society of Chemistry
ISBN: 978-1-78262-768-5

Abstract: Forensic science is defined as any science that can be utilized for the purpose of law. Whereby, a scientific discipline can be used to resolve disputes, uphold laws, defend government regulation and help public safety. The field needs to maintain rigorous scientific standards and ethical values, with little interpretation and to reduce bias. From a chemistry standpoint, the evidence needed is often carried out by collecting the analytes of interest at a crime scene, and the samples are often taken back to the lab for analysis. However, there has been a recent surge in portable methods that can be used at the site of the crime or in emergency rooms. Supramolecular host-guest systems can provide the necessary portability, while being cost effective, selective and sensitive. There are a number of supramolecular detection methods that a forensic scientist can use but one attractive method is optical approaches. These spectroscopic techniques are ideal tools for detecting trace analytes at low concentrations; they are non-destructive and reversible, which are important factors in the forensic field. This chapter will focus on the recognition of drugs of abuse that utilize optical changes i.e., changes in color or fluorescent changes using the concepts of supramolecular chemistry. Specifically, this chapter discusses how supramolecular approaches can be used to detect drugs of abuse; the focus will be on biologically-based sensors, materials and surfaces and solution-based systems
Template and target information: Review - detection of drugs of abuse