Abstract Green Analytical Chemistry guidelines mainly encourage the use of direct and
portable methodologies to perform analytical determinations in various areas. However, this …

Human exhaled breath contains various molecules that relate to human health and
environmental exposures. There has been increasing interest in human breath analysis for …

In recent years, using natural materials to prepare sorbents has been a clear trend in the
sample preparation context. This research line is supported by sustainable considerations …

Two homemade silica-based mixed-mode ion-exchange sorbents with strong moieties were
compared for the solid-phase extraction (SPE) of a group of pharmaceuticals, drugs of …

In modern analytical chemistry, new challenges are emerging for analyzing complex
samples and guaranteeing the sustainability of chemical processes. The increasing …

Conventional analytical methodologies for the determination of organic contaminants in
water matrices are often laborious and time-consuming, and require a large amount of …

Direct mass spectrometry (MS) analysis of human tissue at the molecular level could gain
insight into biomarker discovery and disease diagnosis. Detecting metabolite profiles of …

Prenatal exposure to nicotine that are mainly produced from tobacco smoke has been
reported to affect infants. Therefore, nicotine exposure is one of important health concerns …

This article describes the use of wooden tips as substrates under a hybrid microextraction
format. This format synergically combines the extraction capacities of wood (solid substrate) …

The last few decades have witnessed an increasing social awareness about the impact of
human activities on the environment. The Analytical Chemistry community has been closely …