Qian Xu
DownloadHi-Res Photo
Research
Publications
2025
Dual-emission spiropyran-functionalized covalent organic framework–based nanofiber mat microsensors for fluorescence colorimetric sensing of trace water
Zhang H, Wang L, Li J, Xu Q. Dual-emission spiropyran-functionalized covalent organic framework–based nanofiber mat microsensors for fluorescence colorimetric sensing of trace water. Sensors And Actuators B Chemical 2025, 423: 136734. DOI: 10.1016/j.snb.2024.136734.Peer-Reviewed Original ResearchConceptsIntramolecular charge transfer propertiesFace-to-face stackingCovalent organic frameworksSolvent-solvent interactionsCharge transfer propertiesLow matrix interferenceRatiometric fluorescent probeH‐aggregate formSolvatochromic behaviorPresence of waterPolar solventsOrganic frameworksTrace waterAcyl chlorinationExcited statesMatrix interferencesDetection of waterFluorescent probeSolid samplesTransfer propertiesNanofiber matsSolventChlorineMicrosensing devicesNanofibers
2024
Rapid high-throughput screening of multiple typical mycotoxins in cereals
Chen Y, Nian Q, Zhang Q, Xia Y, Li J, Xu Q, Wang C. Rapid high-throughput screening of multiple typical mycotoxins in cereals. Food Chemistry 2024, 465: 142097. PMID: 39571444, DOI: 10.1016/j.foodchem.2024.142097.Peer-Reviewed Original ResearchAltmetricConceptsDART-MSHigh-throughput screeningReal time mass spectrometryFood safety hazardsTime mass spectrometryMagnetic solid-phase extraction methodSolid-phase extraction methodMatrix effectsMycotoxinsMass spectrometryMultiple mycotoxinsCo-extractionCerealsExtraction methodCoated magnetic particlesPurification abilityWheatCornRiceSafety hazardsCo-contaminantsSpectrometryFoodPolydopamineDirect and rapid detection of serum amino acid and monoamine neurotransmitters to assist the diagnosis of panic disorder
Liu S, Wan X, Zhao M, Wang J, Wu W, You L, Yuan Y, Xu Q, Gao R. Direct and rapid detection of serum amino acid and monoamine neurotransmitters to assist the diagnosis of panic disorder. Science China Chemistry 2024, 1-8. DOI: 10.1007/s11426-024-2150-5.Peer-Reviewed Original ResearchConceptsPanic disorderDART-MSMonoamine neurotransmittersClinical diagnosis of PDAnalysis of mass spectrometryMagnetic solid phase extraction methodSerum amino acidsSolid phase extraction methodDiagnosis of panic disorderSerum of PD patientsSolid phase extractionMetabolic abnormalitiesPhase extraction methodDiagnostic accuracyKyn pathwayDiagnosis of PDClinical diagnosisPD patientsPhase extractionNeurotransmitterMass spectrometryNeurotransmitter detectionMagnetic Fe3O4Measurement of amino acidsBiological samplesHigh throughput detection of veterinary drug residues in chicken and eggs
Li F, Lv H, Zhu F, Zhang Q, Xu Q, Ji W. High throughput detection of veterinary drug residues in chicken and eggs. Food Chemistry 2024, 463: 141267. PMID: 39288463, DOI: 10.1016/j.foodchem.2024.141267.Peer-Reviewed Original ResearchConceptsSolid-phase extractionVeterinary drug residuesTarget substancesCo-extractionSolid-phase extraction methodMOF-808Detection of veterinary drug residuesPolyacrylonitrile nanofiber membraneDrug residuesDetection limitUPLC-MS/MSMatrix purificationNanofiber membranesThroughput detectionPolydopamineChickenEggsNFSMPolyacrylonitrileDouble-Fluorescent Response Spiropyran-Functionalized Graphitic Carbon Nitride Solvent Decoder and Nanofiber Mat-Based Visual Colorimetric Sensor for Humidity Detection within Grain Heaps
Zhang H, Wang L, Nian Q, Liu S, Li J, Xu Q. Double-Fluorescent Response Spiropyran-Functionalized Graphitic Carbon Nitride Solvent Decoder and Nanofiber Mat-Based Visual Colorimetric Sensor for Humidity Detection within Grain Heaps. Analytical Chemistry 2024, 96: 15257-15264. PMID: 39253869, DOI: 10.1021/acs.analchem.4c02523.Peer-Reviewed Original ResearchConceptsStructures of spiropyransGraphitic carbon nitrideFluorescence quantum yieldRatiometric fluorescence sensingVisual colorimetric sensorSolvatochromic behaviorCarbon nitridePolar solventsFluorescence sensingMolecular structureQuantum yieldOrganic solventsColorimetric sensorFluorescence emissionVisual colorimetric methodAcidic conditionsSolvent identificationEmission wavelengthSpiropyranSample spotsSolventStainless steel needleHumidity detectionHydrophilic PVPGrain heapSimultaneous monitoring of multiple prohibited drugs in various aquatic products
Nian Q, Meng E, Li F, Wang C, Zhang Q, Li J, Xu Q. Simultaneous monitoring of multiple prohibited drugs in various aquatic products. Food Chemistry 2024, 456: 139974. PMID: 38850605, DOI: 10.1016/j.foodchem.2024.139974.Peer-Reviewed Original ResearchCitationsConceptsMagnetic graphitic carbon nitrideGraphitic carbon nitrideMagnetic solid-phase extraction methodSolid-phase extraction methodAquatic product samplesCarbon nitrideHydrogen bondsDetection limitP-p interactionsElectrostatic interactionsUPLC-MS/MSSimultaneous monitoring methodAquatic productsAdsorption mechanismProduct samplesExtraction methodBonds
2023
磺酸化磁性氮化碳固相萃取-超高液相色谱-串联质谱筛检淡水鱼中孔雀石绿和隐色孔雀石绿
Meng E, Nian Q, Li F, Zhang Q, Xu Q, Wang C. 磺酸化磁性氮化碳固相萃取-超高液相色谱-串联质谱筛检淡水鱼中孔雀石绿和隐色孔雀石绿. Chinese Journal Of Chromatography 2023, 41: 673-682. PMID: 37534554, PMCID: PMC10398829, DOI: 10.3724/sp.j.1123.2022.12009.Peer-Reviewed Original ResearchCitationsMeSH Keywords and ConceptsConceptsMagnetic graphitic carbon nitrideGraphitic carbon nitrideMagnetic solid-phase extractionLimit of detectionCarbon nitrideVibrating sample magnetometryAmmonia-acetonitrileLeucomalachite greenTarget compoundsActual samplesFreshwater fishInter-day relative standard deviationsScanning electron microscopyAdsorption efficiencyUPLC-MS/MSAquatic productsDesorption efficiencyMagnetic solid-phase extraction adsorbentSulfonic acid functionalityMalachite greenUltra-performance liquid chromatography-tandem mass spectrometrySolid-phase extractionRelative standard deviationSample pretreatment procedureLiquid chromatography-tandem mass spectrometry