{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Wang SY"],"funding":["Shanghai Agriculture Applied Technology Development Program","Shanghai Key Laboratory of Forensic Medicine (Academy of Forensic Science)","National Natural Science Foundation of China"],"pagination":["E3375"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC6767809"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["24(18)"],"pubmed_abstract":["Multiclass screening of drugs with high resolution mass spectrometry is of great interest due to its high time-efficiency and excellent accuracy. A high-scale, fast screening method for pesticides in fishery drugs was established based on ultrahigh performance liquid chromatography tandem quadrupole-Orbitrap high-resolution mass spectrometer. The target compounds - were diluted in methanol and extracted by ultrasonic treatment, and the extracts were diluted with MeOH-water (1:1, <i>v</i>/<i>v</i>) and centrifuged to remove impurities. The chromatographic separation was performed on an Accucore aQ-MS column (100 mm × 2.1 mm, 2.6 μm) with gradient elution using 0.1% formic acid in water (containing 5 mmol/L ammonium formate) and 0.1% formic acid in methanol (containing 5 mmol/L ammonium formate) in Full Scan/dd-MS2 (TopN) scan mode. A screening database, including mass spectrometric and chromatographic information, was established for identification of compounds. The screening detection limits of methods ranged between 1-500 mg/kg, the recoveries of real samples spiked with the concentration of 10 mg/kg and 100 mg/kg standard mixture ranged from 70% to 110% for more than sixty compounds, and the relative standard deviations (RSDs) were less than 20%. The application of this method showed that target pesticides were screened out in 10 samples out of 21 practical samples, in which the banned pesticide chlorpyrifos were detected in 3 out of the 10 samples."],"journal":["Molecules (Basel, Switzerland)"],"pubmed_title":["Screening 89 Pesticides in Fishery Drugs by Ultrahigh Performance Liquid Chromatography Tandem Quadrupole-Orbitrap Mass Spectrometer."],"pmcid":["PMC6767809"],"funding_grant_id":["31701698","T2016010401","KF1910"],"pubmed_authors":["Wang SY","Chen QP","Kong C","Yu HJ"],"additional_accession":[]},"is_claimable":false,"name":"Screening 89 Pesticides in Fishery Drugs by Ultrahigh Performance Liquid Chromatography Tandem Quadrupole-Orbitrap Mass Spectrometer.","description":"Multiclass screening of drugs with high resolution mass spectrometry is of great interest due to its high time-efficiency and excellent accuracy. A high-scale, fast screening method for pesticides in fishery drugs was established based on ultrahigh performance liquid chromatography tandem quadrupole-Orbitrap high-resolution mass spectrometer. The target compounds - were diluted in methanol and extracted by ultrasonic treatment, and the extracts were diluted with MeOH-water (1:1, <i>v</i>/<i>v</i>) and centrifuged to remove impurities. The chromatographic separation was performed on an Accucore aQ-MS column (100 mm × 2.1 mm, 2.6 μm) with gradient elution using 0.1% formic acid in water (containing 5 mmol/L ammonium formate) and 0.1% formic acid in methanol (containing 5 mmol/L ammonium formate) in Full Scan/dd-MS2 (TopN) scan mode. A screening database, including mass spectrometric and chromatographic information, was established for identification of compounds. The screening detection limits of methods ranged between 1-500 mg/kg, the recoveries of real samples spiked with the concentration of 10 mg/kg and 100 mg/kg standard mixture ranged from 70% to 110% for more than sixty compounds, and the relative standard deviations (RSDs) were less than 20%. The application of this method showed that target pesticides were screened out in 10 samples out of 21 practical samples, in which the banned pesticide chlorpyrifos were detected in 3 out of the 10 samples.","dates":{"release":"2019-01-01T00:00:00Z","publication":"2019 Sep","modification":"2026-05-07T03:03:58.297Z","creation":"2026-04-07T22:33:16.773Z"},"accession":"S-EPMC6767809","cross_references":{"pubmed":["31533222"],"doi":["10.3390/molecules24183375"]}}