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Now showing items 11-20 of 20
Quantificação de resíduos de amoxicilina e ampicilina por injeção direta de amostras de leite de bovino
(Universidade Federal de São Carlos, 2011-12-07)
The development of new methods for analysis and quantification of drugs and their metabolites in biological fluids is of great interest in various areas of knowledge. The pre-treatment of complex matrices is a fundamental ...
Aplicação de espectroscopia raman e análise multivariada na caracterização e monitoramento in situ da síntese de cocristais de carbamazepina-nicotinamida e ibuprofenonicotinamida
(Universidade Federal de São Carlos, 2014-02-20)
In this work, the PAT tools were used (Raman spectroscopy with an in situ analyzer and multivariate tools) to proceed a crystallization monitoring and quantification of cocrystals of carbamazepine nicotinamide (CBZ NCT) ...
Metabolismo in vitro do albendazol em escala miligrama e purificação por cromatografia líquida de alta eficiência semipreparativa
(Universidade Federal de São Carlos, 2012-06-06)
This work presents the in vitro metabolism of albendazole (ABZ) conducted with microsomal fractions obtained from Wistar rats and performed in analytical and semipreparative scale. Subsequent separation and purification ...
Desenvolvimento de procedimentos analíticos para a avaliação de nanosuspensões de fertilizantes e efeitos sobre a produtividade de culturas agrícolas
(Universidade Federal de São Carlos, 2016-04-04)
This study was carried out in three steps: 1) production and characterization of nanosuspensions; 2) development of analytical methods for elemental analysis of fertilizers and plant tissues and comparison between ...
Desenvolvimento de procedimento para determinação fotométrica de etanol em bebidas destiladas sem uso de reagentes explorando o efeito Schlieren
(Universidade Federal de São Carlos, 2015-07-23)
The knowledge and applications of Schlieren effect on the flow injection analysis process (FIA) showed that using the variation of refraction index, formed by concentration gradients during sample dispersion in carrier ...
Especiação redox de crômio em amostras de solos contaminados
(Universidade Federal de São Carlos, 2012-03-21)
Chromium and its compounds are employed in various industrial processes, and these activities are responsible for the disposal of significant amounts of materials containing this element in the environment. Due to the known ...
Influência da adição de nitrato de cálcio e de PhoslockTM no abatimento dos fluxos de nutrientes e metais na interface sedimento-coluna de água em um sistema lacustre eutrofizado
(Universidade Federal de São Carlos, 2012-02-16)
This research project evaluated the changes in the fluxes of nutrients
and metals at the sediment-water interface as a result of sediment treatment by the
additions of PhoslockTM and calcium nitrate solution. The experiments ...
Preparo e caracterização de material de referência de solo para nutrientes e contaminantes inorgânicos
(Universidade Federal de São Carlos, 2014-09-26)
The certified reference materials make an important role in the establishment of traceability in analytical chemistry, ensuring reliability and accuracy to the measurements and are fundamental for the validation of analytical ...
Estudo da viabilidade do uso de métodos de segunda ordem e RMN na elaboração de fingerprint de bauhinia forficata baseado em seu extrato bruto
(Universidade Federal de São Carlos, 2014-10-30)
Given the large number of species of Bauhinia and great morphological similarity between them, it is necessary the development of robust analytical techniques in quality control of plants used as herbal medicines, since ...
Estudo da eletrodeposição da liga Fe-Mo a partir de soluções levemente alcalinas contendo NTA - Nitrilo Acetato de Sódio
(Universidade Federal de São Carlos, 2012-02-29)
Fe-Mo alloys were electrochemically deposited on to a Pt substrate, from an alkaline solution containing FeCl3, Na2MoO4, trisodium nitrilotriacetic (NTA), in which Fe3+ ions were ddissolved to form [Fe(OH)(NTA)]-, ...