4.4 Article

Digital image-based colourimetric tests for amphetamine and methylamphetamine

Journal

DRUG TESTING AND ANALYSIS
Volume 3, Issue 5, Pages 277-282

Publisher

WILEY-BLACKWELL
DOI: 10.1002/dta.263

Keywords

digital images; RGB colour system; drug presumptive test; amphetamine; methylamphetamine; colourimetric detection

Funding

  1. Royal Thai Government

Ask authors/readers for more resources

Digital image analysis was applied to the products of simple colourimetric tests for amphetamine and methylamphetamine. Adobe Photoshop software was used for colour analysis to obtain analytical data in the form of a Red Green Blue (RGB) value. Calibration curves were developed for each compound and a number of illicit amphetamine samples were analyzed to demonstrate the application of the technique. A wide linear range and low detection limit for both drugs under test facilitated the application to illicit samples. Good agreement with gas chromatographic quantification results was obtained for the illicit samples analyzed by this method. The results show great potential for use as a semi-quantitative field test for illicit drug compounds. Copyright (C) 2011 John Wiley & Sons, Ltd.

Authors

I am an author on this paper
Click your name to claim this paper and add it to your profile.

Reviews

Primary Rating

4.4
Not enough ratings

Secondary Ratings

Novelty
-
Significance
-
Scientific rigor
-
Rate this paper

Recommended

Review Toxicology

The search for the next euphoric non-fentanil novel synthetic opioids on the illicit drugs market: current status and horizon scanning

Kirti Kumari Sharma, Tim G. Hales, Vaidya Jayathirtha Rao, Niamh NicDaeid, Craig McKenzie

FORENSIC TOXICOLOGY (2019)

Article Biochemical Research Methods

Detection and quantitation of synthetic cannabinoid receptor agonists in infused papers from prisons in a constantly evolving illicit market

Caitlyn Norman, Gillian Walker, Brian McKirdy, Ciara McDonald, Daniel Fletcher, Lysbeth H. Antonides, Oliver B. Sutcliffe, Niamh Nic Daeid, Craig McKenzie

DRUG TESTING AND ANALYSIS (2020)

Article Medicine, Legal

On the relationships between applied force, photography technique, and the quantification of bruise appearance

Heather Black, Sylvie Coupaud, Niamh Nic Daeid, Philip E. Riches

FORENSIC SCIENCE INTERNATIONAL (2019)

Article Chemistry, Analytical

Aptamer-based cocaine assay using a nanohybrid composed of ZnS/Ag2Se quantum dots, graphene oxide and gold nanoparticles as a fluorescent probe

Oluwasesan Adegoke, Magda A. Pereira-Barros, Svetlana Zolotovskaya, Amin Abdolvand, Niamh Nic Daeid

MICROCHIMICA ACTA (2020)

Article Medicine, Legal

Impact of metal ions on PCR inhibition and RT-PCR efficiency

Agnieszka Kuffel, Alexander Gray, Niamh Nic Daeid

Summary: Metal ions can inhibit PCR in forensic DNA analysis, especially in samples from crime scenes. Zinc, tin, iron(II), and copper show strong inhibitory effects on DNA amplification, while KOD polymerase exhibits the highest resistance to metal inhibition. Ethylene glycol-bis(2-aminoethylether)-N,N,N ',N '-tetraacetic acid (EGTA) can effectively reverse calcium-induced PCR inhibition.

INTERNATIONAL JOURNAL OF LEGAL MEDICINE (2021)

Article Biochemical Research Methods

Large-scale evaluation of ion mobility spectrometry for the rapid detection of synthetic cannabinoid receptor agonists in infused papers in prisons

Caitlyn Norman, Brian McKirdy, Gillian Walker, Pat Dugard, Niamh NicDaeid, Craig McKenzie

Summary: Synthetic cannabinoid receptor agonists (SCRAs), also known as spice, are commonly used in prisons and enter establishments via mail. Benchtop ion mobility spectroscopy (IMS) instruments were evaluated for their selectivity and sensitivity in screening SCRAs, with ITMS (TM) systems showing high accuracy in detecting SCRAs in infused papers.

DRUG TESTING AND ANALYSIS (2021)

Article Biochemical Research Methods

Shape matters: The application of activity-based in vitro bioassays and chiral profiling to the pharmacological evaluation of synthetic cannabinoid receptor agonists in drug-infused papers seized in prisons

Lysbeth H. Antonides, Annelies Cannaert, Caitlyn Norman, Niamh NicDaeid, Oliver B. Sutcliffe, Christophe P. Stove, Craig McKenzie

Summary: Synthetic cannabinoid receptor agonists (SCRAs) primarily act through human type-1 cannabinoid (CB1) receptors. The study analyzed enantiomer pairs of SCRA samples seized in Scottish prisons and found that (S)-enantiomers are more potent and efficacious than (R)-enantiomers. The importance of SCRA-CB1 receptor interactions and the impact of the chiral tert-leucinate group on potency were highlighted.

DRUG TESTING AND ANALYSIS (2021)

Article Biochemical Research Methods

A transnational perspective on the evolution of the synthetic cannabinoid receptor agonists market: Comparing prison and general populations

Caitlyn Norman, Sebastian Halter, Belal Haschimi, Dean Acreman, Josie Smith, Alex J. Krotulski, Amanda L. A. Mohr, Barry K. Logan, Niamh NicDaeid, Volker Auwaerter, Craig McKenzie

Summary: The study examines prevalence data of SCRA use in prisons from Germany, the United Kingdom, and the United States, analyzing over 4400 individual test results. It shows a constant evolution and regional differences in SCRA compounds, with detection in prisons closely aligned with local market, acting as early warning systems for wider populations.

DRUG TESTING AND ANALYSIS (2021)

Article Environmental Sciences

Thiolated gamma-cyclodextrin-polymer-functionalized CeFe3O4 magnetic nanocomposite as an intrinsic nanocatalyst for the selective and ultrasensitive colorimetric detection of triacetone triperoxide

M. Laura Nsuamani, Svetlana Zolotovskaya, Amin Abdolvand, Niamh Nic Daeid, Oluwasesan Adegoke

Summary: Explosives are powerful weapons used by criminals and terrorists worldwide, and their use in military installations poses environmental health problems. To address the limitations of existing colorimetric sensors for TATP, researchers have developed a novel peroxidase mimic catalytic colorimetric sensor for direct recognition of TATP.

CHEMOSPHERE (2022)

Article Multidisciplinary Sciences

A ground truth data set of gas chromatography mass spectrometry (GCMS) analyse d synthesise d methylenedioxymethylamphetamine (MDMA)

Jonathan Miller, Roberto Puch-Solis, Hilary Ann Scott Buchanan, Niamh Nic Daeid

Summary: Controlled drug samples are subjected to chemical analysis to determine their identity and purity. In some cases, a broader chemical characterization of drug samples may be necessary, particularly to investigate impurities resulting from synthesis. This article reports on the data generated from repetitive synthesis of ecstasy using different methods, providing insights into synthetic methods and starting materials.

DATA IN BRIEF (2023)

Article Multidisciplinary Sciences

A UK-based ground truth data set of GCMS analysed ignitable liquid samples - a template for making chromatographic data accessible as an open source data set.

Jonathan Miller, Roberto Puch-Solis, Wan Nur Syuhaila Mat Desa, Niamh Nic Daeid

Summary: Fire debris analysis is used to determine the presence of ignitable liquids and evidence of deliberate fires. Limited publicly available datasets are currently available for this type of analysis. This paper presents a dataset of various ignitable liquids in the UK, along with extensive analytical outputs and metadata.

DATA IN BRIEF (2022)

Proceedings Paper Computer Science, Interdisciplinary Applications

Virtual Reality as a Collaborative Tool for Digitalised Crime Scene Examination

Vincenzo Rinaldi, Lucina Hackman, Niamh NicDaeid

Summary: This study developed a virtual reality framework for the exploration and collaborative investigation of crime scenes using a low-cost VR head-mounted display and an online shared repository. The system is capable of handling data from various types of 3D imaging sensors and enhances spatial perception and telepresence with immersive virtual roaming.

EXTENDED REALITY, XR SALENTO 2022, PT I (2022)

Review Biochemistry & Molecular Biology

Colorimetric optical nanosensors for trace explosive detection using metal nanoparticles: advances, pitfalls, and future perspective

Oluwasesan Adegoke, Niamh Nic Daeid

Summary: Metal nanoparticles have drawn considerable interest for trace explosive detection, with the efficacy of colorimetric explosive nanosensor systems strongly dependent on the surface properties of the nanomaterial used in the colorimetric assay.

EMERGING TOPICS IN LIFE SCIENCES (2021)

Article Information Science & Library Science

Reviewing Research Trends-A Scientometric Approach Using Gunshot Residue (GSR) Literature as an Example

Catarina Sobreira, Joyce K. Klu, Christian Cole, Niamh Nic Daeid, Herve Menard

PUBLICATIONS (2020)

No Data Available