Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Edivaldo E. Garcia"'
Publikováno v:
Brazilian Archives of Biology and Technology, Vol 42, Iss 3, Pp 281-290 (1999)
Gel permeation chromatography and high performance liquid chromatography were employed for separation and chemical characterization of products isolated from chrome shavings. After enzymatic hydrolysis, the products isolated were peptides of higher m
Externí odkaz:
https://doaj.org/article/6aee6d5acf8849119dd6bb40cca829f4
Autor:
Aluísio Pinheiro, Edivaldo E. Garcia, Marcelo Menossi, Renato Atilio Jorge, Willem G. Keltjens, Eduardo D. Mariano
Publikováno v:
Plant and Soil. 388:323-335
The sensitivity of root cells and root processes to toxic aluminium ions (Al3+) varies along the root axis. This study was established to assess the sensitivity of nutrient uptake to Al along the main root axis of maize genotypes that differ in resis
Autor:
Juliana Carla Garcia, Lídia Brizola Santos, Eurica M. Nogami, Maísa Tatiane Ferreira de Souza, Edivaldo E. Garcia, Nilson Evelázio de Souza, Alexandre Tadeu Paulino
Publikováno v:
Microchemical Journal. 112:50-55
A fast and sensitive new procedure for the determination of total aluminum by adsorptive cathodic stripping voltammetry (AdCSV) in plant samples consumed for dietary and/or medicinal purposes was described. The Al(III)-8-hydroxyquinoline (Al-8HQ) com
Publikováno v:
Fuel. 93:167-171
In this work an analytical procedure was developed for calcium, magnesium, and zinc determination in biodiesel samples using flame atomic absorption spectrometry based on microemulsion formation for sample preparation and discrete aspiration for samp
Autor:
Vitor C. Almeida, André L. Cazetta, Gisele F. Gauze, Willian Ferreira da Costa, Juliana C.G. Moraes, Alessandro C. Martins, Edivaldo E. Garcia, Alexandro M.M. Vargas
Publikováno v:
Chemical Engineering Journal. :243-250
The adsorption of food dyes, Acid Yellow 6 (AY-6), Acid Yellow 23 (AY-23), and Acid Red 18 (AR-18) onto activated carbon obtained from flamboyant pods (Delonix regia) under optimized conditions (ACop) was performed in this work. According to the pH s
Autor:
Cezar A. Bizzi, Juliano Smanioto Barin, Erico M.M. Flores, Edivaldo E. Garcia, Joaquim A. Nóbrega
Publikováno v:
Microchemical Journal. 99(2):193-196
Sample preparation has a long history when thinking about the conversion of solid samples to representative solutions using concentrated acid solutions and high temperature. However, chemical sciences are evolving to cleaner procedures and surely, sa
Autor:
Edivaldo E. Garcia, L. Pichon, H. Reuther, Anderson Oliveira Lobo, Maria Margareth da Silva, Eliene Nogueira de Camargo, Mario Ueda, Jorge Otubo
Publikováno v:
Journal of Materials Engineering and Performance. 20:798-801
NiTi SMA is a promising material in the biomedical area due to its mechanical properties and biocompatibility. However, the nickel in the alloy may cause allergic and toxic reactions and thus limiting its applications. It was evaluated the influence
Autor:
Bradley T. Jones, Edivaldo E. Garcia, Renata S. Amais, Carl G. Young, Daniela Schiavo, Joaquim A. Nóbrega
Publikováno v:
Talanta. 84:995-999
A method for the determination of sulfur in biodiesel samples by inductively coupled plasma optical emission spectrometry which uses microemulsion for sample preparation and the summation of the intensities of multiple emission lines has been develop
Autor:
Edivaldo E. Garcia, Juliano Smanioto Barin, Joaquim A. Nóbrega, Cezar A. Bizzi, Valderi L. Dressler, Erico M.M. Flores
Publikováno v:
Spectrochimica Acta Part B: Atomic Spectroscopy. 66:394-398
The feasibility of using diluted HNO3 solutions under oxygen pressure for decomposition of whole and non-fat milk powders and whey powder samples has been evaluated. Digestion efficiency was evaluated by determining the carbon content in solution (di
Autor:
Edivaldo E. Garcia, Joaquim A. Nóbrega, Marcos R. Monteiro, Renata S. Amais, Ana Rita A. Nogueira
Publikováno v:
Microchemical Journal. 96:146-150
An analytical procedure for direct introduction of biodiesel samples into an inductively coupled plasma mass spectrometer (ICP-MS) by using microemulsion for sample preparation was developed here. Cadmium, Co, Cu, Mn, Ni, Pb, Ti, and Zn were determin