Related Experiment Video
Updated: Jan 25, 2026
10:44
Clean Sampling and Analysis of River and Estuarine Waters for Trace Metal Studies
Published on: July 1, 2016
12.0K
Traces of Use: Uncovering Drug Use Insights From Paraphernalia Analysis
Emma L Keller1, Brock Peake1, Bradley S Simpson1
1Clinical and Health Sciences, Health and Biomedical Innovation, University of South Australia, Adelaide, Australia.
Drug and Alcohol Review
|January 24, 2026
Summary
Residue analysis of drug paraphernalia reveals frequent use of methamphetamine and heroin, often in combination. This method offers a novel, objective approach to track drug consumption trends and inform public health strategies.
Area of Science:
- Forensic Chemistry
- Public Health
- Drug Use Epidemiology
Background:
- Drug residue analysis of paraphernalia offers a novel method to understand drug-taking behaviors.
- Conventional and novel psychoactive substances (NPS) are increasingly prevalent, necessitating advanced monitoring techniques.
Purpose of the Study:
- To investigate the presence and types of conventional and novel psychoactive substances (NPS) in drug paraphernalia in South Australia.
- To assess the feasibility and effectiveness of drug residue analysis as a public health surveillance tool.
Main Methods:
- Collected 300 items of drug paraphernalia (syringes, bags, containers, filters) from sharps disposal bins in South Australia.
- Analyzed residues using liquid chromatography tandem mass spectrometry (LC-MS/MS) after methanol extraction.
- Confirmed detections with authentic reference materials.
Main Results:
- Methamphetamine was detected in 61% of paraphernalia, and heroin in 38%.
- A majority of items (57%) contained two or more drugs, indicating polysubstance use.
- Fourteen different novel psychoactive substances (NPS) were identified across 46 items.
Conclusions:
- Drug residue analysis is a feasible, non-invasive, and effective method for near-real-time monitoring of drug consumption trends.
- The high prevalence of multiple drugs detected suggests widespread polysubstance use among people who inject drugs.
- This approach complements existing methods, strengthening harm reduction and public health responses to drug use patterns.
Related Concept Videos
01:26Therapeutic Drug Monitoring: Drug Analysis Methods
185
Therapeutic Drug Monitoring (TDM) is a clinical practice that measures specific drug levels in a patient's blood or body tissues to tailor drug therapy effectively. This monitoring is critical for managing drugs with narrow therapeutic indices like digoxin and phenytoin, ensuring they are both safe and effective. For instance, monitoring theophylline levels in asthma patients involves precision and sensitivity to adjust doses according to individual responses to therapy, ensuring efficacy and...
185
01:25Pharmacokinetics: Drug–Drug Interactions
399
Drug interactions occur when the pharmacological effect of one drug is altered by another substance, either enhancing or diminishing its activity. The drug whose activity is altered is known as the object drug, and the substance causing the alteration is called the agent drug or the precipitant. The net effects of these interactions are mostly undesirable, leading to decreased effectiveness or increased adverse effects. In rare cases, interactions can be beneficial, such as the enhanced...
399
01:09Bioequivalence of Drugs: Drugs with Multiple Indications
155
The concept of therapeutic equivalence (TE) in drugs with multiple indications is complex. A generic drug may be therapeutically equivalent to a brand-name product for one specific indication, but this doesn't necessarily mean it's equivalent for all other indications. Evidence of TE in one patient group and bioequivalence shown in healthy volunteers can support—but not confirm—TE for other indications. However, definitive proof requires individual clinical studies for each...
155
01:26FDA Approved Drugs: Changes to Approved Drugs
248
Post-approval, manufacturers may modify an approved new or generic drug product. Such modifications can encompass alterations in the Active Pharmaceutical Ingredient (API), manufacturing process, formulation, batch size, manufacturing site, and container closure system (FDA Guidance for Industry, April 2004). Often, a drug product may undergo multiple changes.These modifications require careful evaluation to determine their potential impact on the drug product's identity, strength, quality,...
248
01:27Factors Influencing Drug Absorption: Drug Dissolution
1.1K
The pharmacokinetic journey of drugs from solid oral dosage forms into systemic circulation is multifaceted. It begins with disintegration, a prerequisite ensuring a solid dosage form's subdivision into minute particles. Dissolution occurs next as these granulated entities solubilize in gastrointestinal fluids. This solubilization is crucial for the succeeding stage, permeation, which describes the traversal of the drug across the intestinal membrane and its subsequent entry into the blood...
1.1K
01:18Factors Affecting Protein-Drug Binding: Drug-Related Factors
462
Drug binding to proteins is a complex phenomenon influenced by various drug-related factors, each playing a significant role in the interaction between drugs and proteins within the body.
One crucial factor in drug-protein binding is the drug's lipophilicity or its affinity for fat. More lipophilic drugs tend to have higher binding extents. For example, highly lipophilic drugs like cloxacillin exhibit substantial protein binding, with as much as 95% of the drug binding to proteins. In...
One crucial factor in drug-protein binding is the drug's lipophilicity or its affinity for fat. More lipophilic drugs tend to have higher binding extents. For example, highly lipophilic drugs like cloxacillin exhibit substantial protein binding, with as much as 95% of the drug binding to proteins. In...
462