Advances and Applications of Hybrid Graphene-Based Materials as Sorbents for Solid Phase Microextraction Techniques

Author(s)

Cardoso, Alessandra Timoteo ; Martins, Rafael Oliveira ; Lancas, Fernando Mauro

• Document type: Journal article
• Source: Molecules; v. 29, n. 15, p. 28-pg., 2024-08-01.

Abstract

The advancement of traditional sample preparation techniques has brought about miniaturization systems designed to scale down conventional methods and advocate for environmentally friendly analytical approaches. Although often referred to as green analytical strategies, the effectiveness of these methods is intricately linked to the properties of the sorbent utilized. Moreover, to fully embrace implementing these methods, it is crucial to innovate and develop new sorbent or solid phases that enhance the adaptability of miniaturized techniques across various matrices and analytes. Graphene-based materials exhibit remarkable versatility and modification potential, making them ideal sorbents for miniaturized strategies due to their high surface area and functional groups. Their notable adsorption capability and alignment with green synthesis approaches, such as bio-based graphene materials, enable the use of less sorbent and the creation of biodegradable materials, enhancing their eco-friendly aspects towards green analytical practices. Therefore, this study provides an overview of different types of hybrid graphene-based materials as well as their applications in crucial miniaturized techniques, focusing on offline methodologies such as stir bar sorptive extraction (SBSE), microextraction by packed sorbent (MEPS), pipette-tip solid-phase extraction (PT-SPE), disposable pipette extraction (DPX), dispersive micro-solid-phase extraction (d-mu -SPE), and magnetic solid-phase extraction (MSPE). (AU)

• FAPESP's process: 23/07159-7 - Synthesis, characterization and applications of novel graphene-derived sorbents in separation techniques
• Grantee: Fernando Mauro Lanças
• Support Opportunities: Regular Research Grants
• FAPESP's process: 23/15675-5 - Preparation, characterization, and applications of chitosan-graphene oxide hybrid sorbents in automated microextraction by packed sorbent (MEPS): evaluation of residues and contaminants in food matrices
• Grantee: Rafael Oliveira Martins
• Support Opportunities: Scholarships in Brazil - Post-Doctoral
• FAPESP's process: 23/06258-1 - Development, characterization, evaluation and applications of graphene oxide modified with ionic liquids
• Grantee: Alessandra Timóteo Cardoso
• Support Opportunities: Scholarships in Brazil - Doctorate