Solid-Phase Extraction (SPE)

Using ultra-performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS), China Pharmaceutical University scientists developed a new method for analyzing compounds found in wastewater.

Scientists from the China University of Sciences combined magnetic solid-phase extraction (MSPE) with gas chromatography–mass spectrometry (GC–MS) to analyze perfluoro carboxylic acids (PFCAs) in different water environments.

Scientists from the Shandong Academy of Sciences recently created a new approach for performing magnetic solid-phase extraction on trace triazine herbicides.

University of Valencia scientists recently developed a method using solid-phase extraction (SPE) followed by high-performance liquid chromatography coupled to high-resolution mass spectrometry (HPLC–HRMS/MS) for detecting microplastics and other harmful substances in textiles.

A European Union reference laboratory recently created a new method for analyzing gas chromatography (GC)-amenable pesticides in foods of animal origin.

Harbin University of Commerce and Northeast Forestry University scientists led efforts to create new means of analyzing components in traditional Chinese medicine.

Jiangsu Police Institute scientists recently created a solid-phase microextraction (SPME)-based method for determining amphetamine-type stimulants.

This article highlights a curated selection of the most popular GC-related content, with a focus on the diverse applications of the technique, as featured in LCGC.

LCGC International sat down with Giorgia Purcaro of the University of Liege to discuss the impact that solid-phase microextraction (SPME) and comprehensive multidimensional gas chromatography (GC×GC) is having on food analysis.

The pivotal role of analytical chemistry in the medico-legal and forensic applications is explored in this article.

Everyone is talking about sustainability, and organizations are creating sustainability programs. But what does green chemistry really mean, and how does it apply to gas chromatography?

LCGC International spoke to Doug Raynie about a novel gas chromatography (GC) method incorporating a consumer vape to investigate volatile organic compounds (VOCs) using GC with solid phase microextraction (SPME).

Northwest University and Shaanxi Institute for Food and Drug Control scientists recently tested a new means of separating bioactive compounds from herbal extracts.

The European Commission's regulation on maximum levels for certain contaminants in food highlights the need for precise and reliable methods to quantify per- and polyfluoroalkyl substances (PFAS) in various food matrices. This article discusses development and validation of a robust method for analyzing 21 PFAS compounds in chicken eggs using solid-phase extraction (SPE) and liquid chromatography–mass spectrometry (LC–MS).

Universidade Federal do Rio Grande scientists recently created a vortex-assisted matrix solid-phase dispersion (VA-MSPD) method for extracting persistent organic pollutants from shrimp.

Analyzing biological samples is crucial for disease diagnosis and treatment, public safety, and forensic examination.

Hangzhou Dianzi University scientists recently tested a new metal–organic framework (MOF)-based system for extracting benzodiazepines (BZPs) from urine.

Dokuz Eylul University scientists tested dispersive micro solid-phase extraction (D-µSPE)’s effectiveness for detecting polycyclic aromatic hydrocarbons (PAHs) in fruit juice and environmental water samples.

University of Saskatchewan scientists analyzed phosphorus compounds in soil using two-dimensional ion chromatography-tandem mass spectrometry (2D-IC-MS/MS).

Scientists from Universidad Autónoma del Estado de Hidalgo recently tested a new dispersive solid phase micro-extraction (DSPME) technique for removing naphthol isomers from water samples.

Mankind Research Centre scientists recently tested a new solid phase extraction (SPE)-based approach coupled with GC–MS for analyzing small molecule N–nitrosamine impurities in antitussive syrups.

Scientists from the Zheijiang University of Technology published a review article on the extraction of terpenoids from essential oils to determine what techniques can optimize enantiomer separation.

Scientists from the Universidade Federal do Paraná recently tested a new extraction device for determining carcinogenic aromatic amines in smoker urine.

Scientists from Wuhan Textile University recently tested a new solid-phase extraction system for analyzing covalent organic frameworks (COFs).

In this installment, we examine trends in the use of sample preparation techniques through the lens of instrumental analysis by gas chromatography (GC) and GC–mass spectrometry (GC–MS).

Scientists from the Chinese Academy of Inspection and Quarantine recently published a review on how green solvents can further the evolution of microextraction techniques.

Here are the top five articles that the editors of LCGC International published this week.

Microextraction using sustainable green solvents, followed by mass spectrometric analysis, comprise a combined approach that is still in its infancy.

In this edition of “Inside the Laboratory,” Emanuela Gionfriddo, PhD, an associate professor of chemistry at the University at Buffalo, discusses her group’s current research endeavors, including using solid-phase microextraction (SPME) coupled to liquid chromatography (LC) and gas chromatography (GC) to further understand the chemical relationship between environmental exposure and disease and elucidate micropollutants fate in the environment and biological systems.

Conventional sample preparation can be time- and resource-consuming, and a green analytical methodology can be a game-changer for scientists, in addition to facilitating selective and sensitive separations.