{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["5"],"submitter":["Xu P"],"pubmed_abstract":["As nanofluidic channels, uniaxially oriented mesoporous-silica is, for the first time, in-situ self-assembled in a microfluidic chip for quick enrichment/extraction of ng L(-1)(ppt)-level organo-phosphorous (OP) pesticide residue from aqueous solution to ethanol. This micro/nano combined pre-treatment chip is essential for following gas chromatography-mass spectrometry (GC-MS) quantitative analysis. Featuring huge surface area and dense silanol groups at the inwall surface, the mesoporous-silica is uniaxially self-assembled in a micro-reservoir to form a pile of nanofluidic channels (diameter = 2.1 nm). The captured/enriched pesticide molecules in the nanochannels can be efficiently extracted by much smaller volume of ethanol due to its much higher solubility to OP. In our affirming experi"],"journal":["Scientific reports"],"pagination":["17171"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC4657006"],"repository":["biostudies-literature"],"pubmed_title":["Mesoporous-silica nanofluidic channels for quick enrichment/extraction of trace pesticide molecules."],"pmcid":["PMC4657006"],"pubmed_authors":["Li X","Xu P","Chen C"],"additional_accession":[]},"is_claimable":false,"name":"Mesoporous-silica nanofluidic channels for quick enrichment/extraction of trace pesticide molecules.","description":"As nanofluidic channels, uniaxially oriented mesoporous-silica is, for the first time, in-situ self-assembled in a microfluidic chip for quick enrichment/extraction of ng L(-1)(ppt)-level organo-phosphorous (OP) pesticide residue from aqueous solution to ethanol. This micro/nano combined pre-treatment chip is essential for following gas chromatography-mass spectrometry (GC-MS) quantitative analysis. Featuring huge surface area and dense silanol groups at the inwall surface, the mesoporous-silica is uniaxially self-assembled in a micro-reservoir to form a pile of nanofluidic channels (diameter = 2.1 nm). The captured/enriched pesticide molecules in the nanochannels can be efficiently extracted by much smaller volume of ethanol due to its much higher solubility to OP. In our affirming experi","dates":{"release":"2015-01-01T00:00:00Z","publication":"2015 Nov","modification":"2025-04-26T16:26:26.338Z","creation":"2019-03-27T02:02:36Z"},"accession":"S-EPMC4657006","cross_references":{"pubmed":["26596908"],"doi":["10.1038/srep17171"]}}