A method for cancer elemental risk assessments in hookah: An example in two common types of traditional and flavored tobaccos in Iran.

Aim: This study aimed to compare the elemental composition of traditional and flavored hookah tobacco, with a focus on heavy metals.

Methods: We used inductively coupled plasma mass spectrometry (ICP-MS) to analyze the concentrations of 29 elements in the raw tobacco, tobacco ash, hookah water after smoking, and tobacco smoke.

Results: The results showed that the traditional tobacco had significantly higher metal concentrations than the flavored tobacco in all samples.

Application of the oxycodone templated molecular imprinted polymer in adsorption of the drug from human blood plasma as the real biological environment; a joint experimental and density functional theory study.

In this project, we have synthesized and used a molecular imprinted polymer (MIP) for adsorption of oxycodone residue from the biological samples. Indeed, this study aims to develop a suitable method for determination of oxycodone drug residue in the human plasma using the common analysis methods. Therefore, the MIP was used for the solid phase extraction (MIP-SPE) approach in order to collect the oxycodone opioid and to concentrate it in the blood plasma samples.

Voltammetric measurement of entacapone in the presence of other medicines against Parkinson's disease by a screen-printed electrode modified with sulfur-tin oxide nanoparticles.

A screen-printed electrode (SPE) is described modified with sulfur-tin oxide nanoparticles (S@SnONP) for the determination of entacapone (ENT) in the presence of other medicines against Parkinson's disease (PD). The S@SnONP was synthesized through the hydrothermal method and used in the modification of the SPE. The smart utilization of the S@SnONP and the SPE provided excellent properties such as high surface area and current density amplification by embedding an efficient sensing interface for highly selective electrochemical measurement.