Portable analytical platforms for forensic chemistry: a review

WR de Araujo, TMG Cardoso, RG da Rocha… - Analytica chimica …, 2018 - Elsevier
This current review article focuses on recent contributions to on-site forensic investigations.
Portable and potentially portable methods are presented and critically discussed about (bio) …

Forensics in hand: new trends in forensic devices (2013–2017)

LP de Oliveira, DP Rocha, WR de Araujo… - Analytical …, 2018 - pubs.rsc.org
Forensic chemistry is the application of analytical chemistry to forensic analysis and is today
one of the hot topics in the scientific literature as it can provide valuable information …

A portable electrochemical method for cocaine quantification and rapid screening of common adulterants in seized samples

JM Freitas, DLO Ramos, RMF Sousa… - Sensors and Actuators B …, 2017 - Elsevier
A simple and robust batch-injection analysis system with square-wave voltammetric (BIA-
SWV) detection is proposed for the determination of cocaine and screening of the most …

Solubility Characteristics of Acetaminophen and Phenacetin in Binary Mixtures of Aqueous Organic Solvents: Experimental and Deep Machine Learning Screening of …

P Cysewski, T Jeliński, M Przybyłek, W Nowak… - Pharmaceutics, 2022 - mdpi.com
The solubility of active pharmaceutical ingredients is a mandatory physicochemical
characteristic in pharmaceutical practice. However, the number of potential solvents and …

[HTML][HTML] Portable and low-cost colorimetric office paper-based device for phenacetin detection in seized cocaine samples

GO da Silva, WR de Araujo, TRLC Paixão - Talanta, 2018 - Elsevier
An office paper-based colorimetric device is proposed as a portable, rapid, and low-cost
sensor for forensic applications aiming to detect phenacetin used as adulterant in illicit …

Simple and sensitive paper-based device coupling electrochemical sample pretreatment and colorimetric detection

TG Silva, WR de Araujo, RAA Munoz… - Analytical …, 2016 - ACS Publications
We report the development of a simple, portable, low-cost, high-throughput visual
colorimetric paper-based analytical device for the detection of procaine in seized cocaine …

Combined colorimetric and electrochemical measurement paper-based device for chemometric proof-of-concept analysis of cocaine samples

WA Ameku, JM Goncalves, VN Ataide… - ACS …, 2021 - ACS Publications
Cocaine (COC) is one of the most widely consumed illegal drugs around the world. Street
COC is commonly adulterated with pharmaceutical compounds that mimic or intensify the …

Evaluation of a low-cost portable near-infrared spectrophotometer for in situ cocaine profiling

MC Hespanhol, C Pasquini, AO Maldaner - Talanta, 2019 - Elsevier
The potential of a low-cost (∼ US $1000) portable near-infrared (NIR) spectrophotometer for
in situ characterization of seized cocaine samples was evaluated. A set of 240 samples of …

Quantification of cocaine in ternary mixtures using partial least squares regression applied to Raman and Fourier transform infrared spectroscopy

CAF de Oliveira Penido, MTT Pacheco… - Journal of Raman …, 2017 - Wiley Online Library
The use of chemicals is often related to suicide attempts and acute poisoning, which account
for a significant number of hospital admissions. The differential diagnosis of patients …

Impurities, adulterants and cutting agents in cocaine as potential candidates for retrospective mining of GC-MS data

S Laposchan, RF Kranenburg, AC van Asten - Science & Justice, 2022 - Elsevier
Cocaine is one of the most widely used illicit drugs worldwide. Cocaine powders seized by
the Police may contain numerous other substances besides the drug itself. These can be …