Sol-gel based sensor for selective formaldehyde determination. A simple and high collection efficiency sampling method for monitoring of carbonyl compounds in a workplace environment. Extraction of polycyclic aromatic hydrocarbons with a magnetic sorbent composed of alginate, magnetite nanoparticles and multiwalled... Hybrid monolith sorbent of polypyrrole-coated graphene oxide incorporated into a polyvinyl alcohol cryogel for extraction and enrich... Polyaniline-coated magnetite nanoparticles incorporated in alginate beads for the extraction and enrichment of polycyclic aromatic h... Evaluation of cost-effective sol-gel-based sensor for monitoring of formaldehyde in workplace environment and cancer risk assessment. A selective determination of copper ions in water samples based on the fluorescence quenching of thiol‐capped CdTe quantum dots Polypyrrole/silica/magnetite nanoparticles as a sorbent for the extraction of sulfonamides from water samples A hybrid molecularly imprinted polymer coated quantum dot nanocomposite optosensor for highly sensitive and selective determination ... A facile optosensing protocol based on molecularly imprinted polymer coated on CdTe quantum dots for highly sensitive and selective ...