Zobrazeno 1 - 10
of 94
pro vyhledávání: '"Marcelo M. Sena"'
Autor:
Diego P. dos Santos, Marcelo M. Sena, Mariana R. Almeida, Italo O. Mazali, Alejandro C. Olivieri, Javier E. L. Villa
Publikováno v:
Analytical and Bioanalytical Chemistry.
Publikováno v:
Food Analytical Methods. 15:728-738
The development of rapid, reliable, and environmentally friendly analytical methods for food analysis is increasingly required. In this sense, the combination of spectrofluorimetry and second-order calibration is a promising alternative to the determ
Autor:
Glaucimar Alex Passos De Resende, Bruno G. Botelho, Marcelo M. Sena, Marden Claret Fontoura Teixeira, Ana Carolina da Costa Fulgêncio
Publikováno v:
Food Analytical Methods. 15:307-316
The determination of alcohol content in beers is essential for the quality control of this beverage. This paper proposed and validated a new rapid and direct multivariate method for this aim using a portable near-infrared (NIR) spectrometer and parti
Publikováno v:
Química Nova, Vol 36, Iss 9, Pp 1416-1422 (2013)
This study developed and validated a method for moisture determination in artisanal Minas cheese, using near-infrared spectroscopy and partial-least-squares. The model robustness was assured by broad sample diversity, real conditions of routine analy
Externí odkaz:
https://doaj.org/article/e3a7251556ac431da09f7fdec1802917
Publikováno v:
Food Analytical Methods. 13:1699-1709
This paper described the development of a multivariate classification methodology to detect frauds in bovine meat based on mid-infrared spectroscopy and partial least squares discriminant analysis (PLS-DA). These frauds consisted of adding carrageena
Publikováno v:
Química Nova, Vol 35, Iss 1, Pp 175-179 (2012)
This work applied a 2² factorial design to the optimization of the extraction of seven elements (calcium, magnesium, potassium, iron, zinc, copper and manganese) in brachiaria leaves, determined by flame atomic absorption spectrometry. The factors s
Externí odkaz:
https://doaj.org/article/d661f62f826f445b84e7d44a21c24349
Publikováno v:
Química Nova, Vol 32, Iss 8, Pp 2214-2217 (2009)
A cleaning validation method was developed and validated, based on swabbing sampling and simultaneous chromatographic determination of sulfamethoxazole (SMX) and trimethoprim (TMP) residues. The method presented limits of detection of 0.06 mg mL-1 fo
Externí odkaz:
https://doaj.org/article/9c1260cbcdc74baa8192f5fcdfa6a6b6
Autor:
Márcia Cristina Breitkreitz, Marcelo M. Sena, Jez Willian Batista Braga, Marco Flores Ferrão, Carolina Santos Silva
Publikováno v:
Tools and Trends in Bioanalytical Chemistry ISBN: 9783030823801
Tools and Trends in Bioanalytical Chemistry
Tools and Trends in Bioanalytical Chemistry
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e2f1fe0dc37356bc530beea5fe018a4c
https://doi.org/10.1007/978-3-030-82381-8_26
https://doi.org/10.1007/978-3-030-82381-8_26
Publikováno v:
Química Nova, Vol 30, Iss 1, Pp 75-79 (2007)
A simple method was proposed for determination of paracetamol and ibuprofen in tablets, based on UV measurements and partial least squares. The procedure was performed at pH 10.5, in the concentration ranges 3.00-15.00 µg ml-1 (paracetamol) and 2.40
Externí odkaz:
https://doaj.org/article/562de47d135041fe9e983d78edd5d5a1
Publikováno v:
Química Nova, Vol 28, Iss 5, Pp 910-920 (2005)
Externí odkaz:
https://doaj.org/article/c0ca69a43ed74ad7aa85b7cb4553785b