Sample pretreatment is one of the most crucial and error-prone steps of an analytical
procedure; it consents to improve selectivity and sensitivity by sample clean-up and pre …

Sample preparation is a main analytical stage for the separation of the analyte from complex
matrices. Nowadays, the tendency to be environmentally friendly, easy portability, cheap …

A simple, rapid, and efficient method of dispersive micro solid phase extraction (D-μ-SPE)
combined with UV–Vis spectrophotometry via ultrasound-assisted (UA) was applied for the …

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

Nanofibers are solid fibers with diameters ranging from a few to hundreds of nanometers
and lengths up to several meters. Nanofibers can offer many attractive properties, such as …

On-site sampling is an analytical approach that can ensure the accuracy of monitoring data
and enhance the effectiveness of environmental protection measures. In the present work …

Microscale extraction has gained attention in sample preparation due to its features like high
throughput analysis, low solvent and sample consumption, easy operation, eco-friendliness …

Sample preparation methods with high selectivity, efficiency, and matrix resistance are
essential for phosphoproteomic analysis. In this study, carboxyl cotton chelator-titanium …

In this study, Candida rugosa lipase (CRL) was immobilized into modified hollow
mesoporous silica (HMSS) materials with different hydrophobicity. Among propyl-(C3) …

In this study, fibrous TiO 2@ graphitic carbon nitride nanocomposites (FTGCNCs) were used
as a new adsorbent for dispersive micro-solid phase extraction of arsenic speciation …