Chemical Food Contaminants Analysis

Determination of polycyclic aromatic hydrocarbons (PAHs) in seafood by matrix solid-phase dispersion and pressurized liquid extraction followed by GC-MS/MS analysis.- Determination of polychlorinated dibenzo-p-dioxins (PCDDs), polychlorinated dibenzofurans (PCDFs), and dioxin-like polychlorinated biphenyls (dl-PCBs) in food by GC-MS/MS.- Simultaneous analysis of polychlorinated biphenyls (PCBs) and organochlorine pesticides (OCPs) in animal fat by GC-ECD and GC-MS.- Determination of As, Cd, Hg and Pb in milk, meat, rice, and garlic by ICP-MS.- Determination of sedatives and -blockers residues in bovine, swine, and equine kidney by liquid chromatography coupled to tandem mass spectrometry.- Determination of pesticides and mycotoxins in malt, brewers’ spent grain, and beer using a dilute-and-shoot procedure and HPLC-MS/MS.- Screening of antimicrobials residues in muscle from different species by liquid chromatography coupled with tandem mass spectrometry.- Determination of ochratoxin A in plant products: immunoaffinity column and liquid chromatography with fluorescence detector.- Total mercury determination in fish muscle: direct analysis by atomic absorption spectrophotometer.- Determination of polypeptide antibiotics in milk by simple LLE technique and LC–MS/MS analysis.- Determination of tetracyclines and their 4-epimers in milk by solid-phase extraction (SPE) and liquid chromatography tandem mass spectrometry.- Optimization of heavy metal tracing by total reflection x-ray fluorescence: the experts' tips.- Determination of acrylamide in sweet potato products using QuEChERS sample preparation followed by LC-ESI-MS/MS analysis.- Determination of p-nitroaniline residues in chicken meat by salting-out liquid-liquid extraction (SALLE) followed by derivatization and LC-MS/MS analysis.- Determination of glucocorticoid residues in bovine, swine, and equine liver by liquid chromatography coupledto tandem mass spectrometry.- Screening of contaminants of emerging concern (CECs) in fish and milk samples by liquid chromatography coupled with high-resolution tandem mass spectrometry (LC-HRMS/MS).- Determination of N-nitro-, C-nitro-, and C-nitrous-type compounds in meat products by d-SPE extraction and liquid chromatography coupled to mass spectrometry.- Determination of polar veterinary drugs and melamine in feeds: method using  ion-pair reversed-phase or hydrophilic interaction liquid chromatography coupled to tandem mass spectrometry.- Miniaturized extraction method based on bead beating tissuelyser for the analysis of pharmaceuticals in seafood.- Determination of UV filters and metabolites in seafood by HPLC-MS/MS.- Determination of palytoxins oxidation products in seafood using solid phase extraction and liquid chromatography-tandem mass spectrometry.- A rapid method for screening microplastic in seafood using NileRed (NR) and fluorescence preceding spectroscopic polymer analysis.- Determination of pyrrolizidine alkaloids in plants, pollen, and honey by LC-ESI-MS/MS.- Conventional and dispersive solid phase extraction clean-up approaches for the simultaneous analysis of tetracyclines and sulfonamides in a variety of fresh vegetables.- Determination of 2-monochloropropane-1,3-diol esters (2-MCPDE), 3-monochloropropane-1,2-diol esters (3-MCPDE) and glycidyl esters (GE) in marine oil-based supplement by acid transesterification via gas chromatography coupled to mass spectrometry (GC-MS).