Solid-phase microextraction Ni–Ti fibers coated with functionalised silica particles immobilized in a sol–gel matrix

Evaluation of a new method for chemical coating of aluminum wire with molecularly imprinted polymer layer. Application for the fabrication of triazines selective solid-phase microextraction fiber

“…Several studies have been developed using different material coatings over the traditional fused silica support, such as platinum [11,12], anodized aluminum [5], gold [13,14], stainless steel [11,15,16], copper [17], titanium [18] and NiTi alloy [9,19] wires.…”

Sol–gel microextraction phases for sample preconcentration in chromatographic analysis

“…In this context, silver wire was introduced as a base to create a sol–gel titania–chitin fiber for headspace SPME (HS‐SPME) to extract aliphatic alcohols in apple juice 18. Similarly, sol–gel PDMS coatings have been bonded to Ni–Ti alloy 22 and zirconium oxide deposited on Ni–Ti alloy wires 23. A sol–gel titania PEG coating was bonded to anodized aluminum wires 24 and employed in SPME for the extraction of target analytes in water samples.…”

“…An SEM of a coating obtained by Azenha et al of a functionalized silica particle coating on a Ni–Ti wire using a UV curable sol–gel film is shown in Fig. 2 22. The coating in Fig.…”

The headspace solid-phase microextraction of polycyclic aromatic hydrocarbons in environmental water samples using silica fiber modified by self assembled gold nanoparticles

“…The sol-gel approach, commonly based on the hydrolysis and condensation of mixture containing polysiloxanes and alkoxysilanes by providing efficient incorporation of organic components into the inorganic polymeric structure in solution under quite mild thermal conditions that represent the largest category of coating development [24][25][26]. Sol-gel composed of organic-inorganic hybrid media is an economic and efficient SPME fiber preparation pathway.…”