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Caracterização de glicerina bruta oriunda da produção de biodiesel e validação de método para determinação do teor de metanol por cromatografia à gás
(Universidade Federal de Mato GrossoBrasilInstituto de Ciências Exatas e da Terra (ICET)UFMT CUC - CuiabáPrograma de Pós-Graduação em Química, 2016-07-29)
This work aimed to characterize crude glycerin from biodiesel production and to
validate a method for determination of methanol in crude glycerin by means of gas
chromatography. Firstly, ten crude glycerin samples were ...
Cloning, expression and optimized production in a bioreactor of bovine chymosin B in Pichia (Komagataella) pastoris under AOX1 promoter
(Academic Press Inc Elsevier Science, 2013-12)
The codon sequence optimized bovine prochymosin B gene was cloned under the control of the alcohol oxidase 1 promoter (AOX1) in the vector pPIC9K and integrated into the genome of the methylotrophic yeast Pichia (Komagataella) ...
Parameters affecting microwave-assisted extraction of organophosphorus pesticides from agricultural soil
(ELSEVIER SCIENCE BV, 2007-10-26)
This work describes an optimised method for the determination of six representative organophosphorus pesticides (OPPs) (diazinon, parathion, methyl pirimiphos, methyl parathion, ethoprophos, and fenitrothion) in agricultural ...
Determinação dos compostos orgânicos voláteis (COVs) do bio-óleo de pirólise rápida por headspace CG-DIC
(Universidade Tecnológica Federal do ParanáCuritibaBrasilPrograma de Pós-Graduação em QuímicaUTFPR, 2017-03-10)
The current growing of bio-oil interest for power generation and production of chemical inputs does the bio-oil from the fast pyrolysis of biomass an interesting raw material for chemical compounds of great value. The ...
Validation of an immunoassay method for the determination of traces of carbaryl in vegetable and fruit extracts by liquid chromatography with photodiode array and mass spectrometric detection
(Elsevier B.V., 1998-10-09)
A competitive enzyme-linked immunosorbent assay (ELISA) method for carbaryl quantitation in crop extracts was validated by liquid chromatography (LC) with diode array detection (DAD). For this purpose, six crops (banana, ...
Validation of an immunoassay method for the determination of traces of carbaryl in vegetable and fruit extracts by liquid chromatography with photodiode array and mass spectrometric detection
(Elsevier B.V., 1998-10-09)
A competitive enzyme-linked immunosorbent assay (ELISA) method for carbaryl quantitation in crop extracts was validated by liquid chromatography (LC) with diode array detection (DAD). For this purpose, six crops (banana, ...
Desenvolvimento e validação de metodologia analítica para determinação simultânea dos teores de éster e metanol em biodiesel
(Universidade Federal de Mato GrossoBrasilInstituto de Ciências Exatas e da Terra (ICET)UFMT CUC - CuiabáPrograma de Pós-Graduação em Química, 2013-07-19)
This work aimed to develop and validate an analytical method for the simultaneous determination of contents of ester and methanol in soybean methyl biodiesel, based in the derivatization of the methanol with acyl chlorides ...
Pressurized Liquid Extraction (PLE) and QuEChERS evaluation for the analysis of antibiotics in agricultural soils
(2020-01-01)
Vinasse, a liquid waste which originates from the production of ethanol fuel from sugarcane, has been widely used as soil amendment in Brazil. An important concern that arises from vinasse reuse is the dissemination of ...
Comparison of different clean-up procedures for the determination of N-methylcarbamate insecticides in vegetable matrices by high-performance liquid chromatography with UV detection
(Elsevier B.V., 1998-01-30)
Several clean-up procedures which included the use of glass chromatography columns (silica gel, alumina, Florisil, silanized Celite-charcoal), Sep-Pak cartridges and standard solutions were compared for the determination ...