Results 31 to 40 of about 5,010,052 (177)
SeparationsIn this review, a 5-year overview on environmentally friendly approaches for the extraction of the most relevant organic pollutants in soil, sediment, particulate matter, and sewage sludge coupled with chromatographic analysis is reported.
Attilio Naccarato +2 more
doaj +1 more source
Drug Testing and Analysis, EarlyView.Micro‐QuEChERS sample preparation coupled to LC‐QQQ‐MS enabled sensitive quantification of nitazene analogs in 100 μL of plasma. The validated method provided low detection limits and was successfully applied to an authentic intoxication case involving N‐pyrrolidino protonitazene, supporting clinical and forensic toxicology workflows.
Karla A. O. Souza +7 more
wiley +1 more source
HardwareX, 2019 Sample preparation performance influences the quality of every chemical analysis. Since it is the most labor-intensive stage in the nearly all-analytical protocols, sample preparation automation would be desirable, to increase the analytical throughput ...
Deyber Arley Vargas Medina +3 more
doaj +1 more source
Drug Testing and Analysis, EarlyView.This review highlights the misuse of antidepressants as potential cognitive‐enhancing agents in Esports. Despite pharmacological effects that overlap with those of psychostimulants, antidepressants remain an under‐recognised source of doping in Esports.
Kassim Ali Salum +4 more
wiley +1 more source
Desenvolvimento de fibras de microextração em fase sólida com suporte de níquel-titânio eletrodepositado com polipirrol e sua aplicação na determinação de haloanisóis em água e vinho por cromatografia a gás [PDF]
, 2012 Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências Físicas e Matemáticas, Programa de Pós-graduação em Química, Florianópolis, 2010Neste estudo uma liga de NiTi foi utilizada como suporte da fase extratora da técnica de ...
Roux, Kalya Cravo Di Petro
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Stir Bar Sorptive Extraction - New Approach for the Determination of Some Beer Flavours.
Kvasný průmysl, 2008 For the determination of beer flavours well-established methods require sample preparation steps such as liquid/liquid extraction, solid phase extraction or distillation techniques. During the past years the microextraction procedures become popular e. g.
Tomáš HORÁK +4 more
doaj +1 more source
Food Safety and Health, EarlyView.This review elucidates the formation pathways and detection technologies for ethyl carbamate, biogenic amines, and higher alcohols in Huangjiu. It concludes that integrated control frameworks are essential to decouple safety risks from the metabolic processes responsible for flavor development.
Lulu Liu +5 more
wiley +1 more source
Determinação de chumbo em amostra aquosa por extração suportada por membrana líquida renovável (HFRLM) e espectrometria de absorção atômica em chama (FAAS) [PDF]
, 2009 TCC (graduação) - Universidade Federal de Santa Catarina, Centro de Ciências Físicas e Matemáticas, Curso de Química.O presente trabalho tem por finalidade, o desenvolvimento de um método analítico empregando a espectrometria de absorção atômica em chama
Luciano, Raquel Medeiros
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Journal of the Science of Food and Agriculture, EarlyView.Abstract Flammulina velutipes (enokitake) is an edible mushroom recognized for both its nutritional and medicinal properties. It exhibits a broad spectrum of biological activities, including antioxidant, anti‐inflammatory, antitumor, immunomodulatory, and gut microbiota‐regulating effects.
Rıdvan Özgen +2 more
wiley +1 more source
Novas estratégias de otimização para a técnica de SPME e SPME com recobrimento internamente refrigerado [PDF]
, 2012 Tese (doutorado) - Universidade Federal de Santa Catarina, Centro de Ciências Físicas e Matemáticas, Programa de Pós-Graduação em Química, Florianópolis, 2011Esta Tese apresenta três novas estratégias de otimização, sendo duas aplicadas à técnica de ...
Martendal, Edmar
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