Polydopamine is one of the simplest and most versatile approaches to functionalizing
material surfaces, having been inspired by the adhesive nature of catechols and amines in …

The application of graphene‐based sorbents in sample preparation techniques has
increased significantly since 2011. These materials have good physicochemical properties …

Sample pretreatment is a critical and essential step in almost all analytical procedures,
especially for the analysis of biological and environmental samples with complex matrices …

Preparation of stir bar extraction (SBSE) device with high physical and chemical stability is
important and challenging by date. A novel poly (ether ether ketone)(PEEK) tube with …

Natural product analysis has gained wide attention in recent years, especially for herbal
medicines, which contain complex ingredients and play a significant clinical role in the …

Cotton fiber is a biodegradable material that possesses properties such as high specific
area, adjustable shape, and hygroscopicity. In this work, organic polymer was directly in situ …

A flow reactor has been found to be advantageous for a photocatalytic reaction due to
enhanced transport phenomena and photon transfer. A fluoropolymer is a promising …

Polyether ether ketone (PEEK) is an ideal substrate for in tube solid-phase microextraction
(SPME) because it overcomes the shortcomings of conventional silica fibers in terms of …

Layered double hydroxides are a family of inorganic crystals that have gained a lot of
attention due to its special structure and properties such as high porosity, large specific area …

Layered double hydroxides (LDHs) are ideal sorbents for solid phase extraction (SPE)
because of the excellent ion exchange capacity and high specific surface area. However …