UPLC MS Articles
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Decolorization and degradation of reactive dye during the dyed cotton fabric rinsing process
Dyeing process of textile consumes large quantities of water, which results in huge amounts of colored wastewater. Most of the dye wastewater treating methods focused on the treatment of wastewater after the rinsing process of dyed textile. In this paper, tetraacetylethylenediamine/hydrogen peroxide (TAED/H2O2) active oxidation (AO) system was developed to rinse dyed textile and decolorize the ...
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Photodegradation of the benzothiostrobin in solution and on soil and glass surface
The photolytic characteristics of benzothiostrobin were investigated in solution and on soil and glass surface. The main influence factors such as initial concentration, organic solvent and the aqueous environmental substances, including NO2–, NO3–, Fe2+, Fe3+, H2O2 and turbidity were investigated. Three photodegradation products of benzothiostrobin were identified by ultra-performance liquid ...
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What do an ancient Chinese Ruler and Waters’ Mass Spectrometry Research Team have in common?
Tea is very important to them! If Waters Wilmslow ran out of tea it is likely the MS Research Team would struggle to function. The ancient Chinese Ruler, Emperor Jing Di, took tea to the grave with him for a cuppa in the afterlife. Many treasures were found in his tomb including; food, weapons, ceramic animals, and a full size chariot with horses. The discovery included several food items; rice ...
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Identification and risk assessment of human and veterinary antibiotics in the wastewater treatment plants and the adjacent sea in Tunisia
In the following study, we came up with and validated a prompt, sensitive and precise method for the simultaneous determination of 56 antimicrobial drugs (tetracyclines, sulfonamides, β-lactams, macrolides and quinolones) using the ultra-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS). This method was implemented with success to determine antibiotics in samples ...
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Occurrence and removal efficiency of six polycyclic aromatic hydrocarbons in different wastewater treatment plants
Occurrence and removal efficiency of six polycyclic aromatic hydrocarbons (PAHs) (fluoranthene, benzo[b]fluoranthene, benzo[k]fluoranthene, benzo[a]pyrene, benzo[ghi]perylene and indeno[1,2,3-cd]pyrene) in wastewater were monitored at different treatment processes in three wastewater treatment plants (WWTPs) by using ultra performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS). ...
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Chivas Brothers Limited - Case Study
Name: Alan Rettie Job title: Development Chemist Company: Chivas Brothers Limited (UK) Chivas Brothers, the Scotch whisky subsidiary of French premium spirit conglomerate Pernod Ricard, has 12 operating malt distilleries, a grain distillery, two gin distilleries and over 300 bonded warehouses in the UK, containing an extensive aged inventory of more than six million casks. Chivas Brothers ...
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Impact of Cell Culture Media Additives on IgG Glycosylation Produced in Chinese Hamster Ovary Cells
IQVIA recently released a comprehensive overview of the US pharmaceutical market. The report highlighted that despite recent approvals of biosimilars, they are used less than one-third of the time when available. Additionally, at most recent conferences, there have been several dedicated sessions discussing the challenges developing, manufacturing and commercializing biosimilars. Dahodwala and ...
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Oxidative transformation of oxcarbazepine by Cl2, ClO2 and O3: characteristics and pathways
In this research, the degradation efficiency, mechanism and intermediates’ toxicities of oxcarbazepine (OXC) upon chlorination, chlorine dioxide oxidation and ozonation were investigated. Results showed that three degradation approaches followed second-order kinetics, and ozonation had the highest removal efficiency both of OXC and dissolved organic carbon (DOC). Reaction intermediates were ...
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High performance liquid chromatography–tandem mass spectrometry for rapid and sensitive analysis of six polycyclic aromatic hydrocarbons in wastewater
A sensitive and fast method was developed to quantitatively analyse the six polycyclic aromatic hydrocarbons (fluoranthene (FLT), benzo[b]fluoranthene (BbF), benzo[k]fluoranthene (BkF), benzo[a]pyrene (Bap), benzo[ghi]perylene (BghiP) and indeno[1,2,3-cd]pyrene (INPY)) by high performance liquid chromatography (UPLC) coupling with tandem mass spectrometry (MS/MS). Chromatographic separation was ...
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Advancing Omics Research and Reducing Bias with New MS Technology for Data-Independent Acquisition Experiments
Targeted LC-MS based assays are increasingly applied in the post-discovery Omics area with an emphasis on validation, the first of many phases in translational research; and in studies that are aimed at gaining the understanding of biological systems in terms of drug development and treatment. Understanding the context of analytical results is driving current research, and therefore driving the ...
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