![]() There is also a considerable lag time between the emergence of new drugs and the release of commercial assays for detection. Adapting and validating methods for the detection of new substances can be a complicated and costly undertaking. The continuous emergence of new psychoactive substances presents a considerable analytical challenge in maintaining up-to-date methods for the detection of relevant drugs. Analytical approaches for the screening of drugs in biological samples are extensive and well documented, though many rapid screening techniques often lack appropriate sensitivity and specificity, requiring careful clinical interpretation. In the clinical setting, drug screening is a useful tool for the clinician in improving patient care and guiding treatment. The screening of biological samples for the presence of illicit or legal substances is an important frontline tool in both clinical and forensic toxicology.
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