Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Francisco L.F. da Silva"'
Autor:
Wladiana O. Matos, Gisele S. Lopes, Kaluce Gonçalves de Sousa Almondes, Jéssica Gadelha Reges, Francisco L.F. da Silva, Renata Carmo de Assis, Carla Soraya Costa Maia, Priscila Pereira Pessoa
Publikováno v:
Revista Brasileira de Ciências Agrárias - Brazilian Journal of Agricultural Sciences. 16:1-8
Studies of centesimal composition regarding coalho. From the perspective that selenium content in foods can vary due to environmental factors and cheese may be a source of such nutrient, it is believed that is relevant to characterize the possible se
Autor:
Wladiana O. Matos, Francisco L.F. da Silva, Savarin Sinaviwat, Emma J. Menzies, Andrea Raab, Eva M. Krupp, Joerg Feldmann
Publikováno v:
Journal of trace elements in medicine and biology : organ of the Society for Minerals and Trace Elements (GMS). 71
Shrimp is a worldwide food commodity, it is a source of several nutrients and vitamins; however, this food is one of the major sources of arsenic for humans. Legislation around the world set limits for the concentration of this element in crustaceans
Autor:
Victor M. Campos, Wladiana O. Matos, Lívia Paulia Dias Ribeiro, Francisco L.F. da Silva, Gisele S. Lopes, Sandro T. Gouveia, João P.S. Oliveira
Publikováno v:
Journal of Food Composition and Analysis. 79:107-113
An open sample preparation system based on use of infrared radiation (IR) for heating was used to accelerate the mineralization of shrimp samples to quantify their As, Cd, Co, Cr, Cu, Fe, Mn, Ni, Pb, Se, Sn and V content by ICP-OES. The method presen
Autor:
Francisco L.F. da Silva, Marcelo Ribeiro Malta, M. Teresa S. Trevisan, Gisele S. Lopes, Gilberto Rodrigues Liska, Gerlan Oliveira do Nascimento, Robert W. Owen, Wladiana O. Matos, Rodrigo Luz da Cunha
Publikováno v:
Food research international (Ottawa, Ont.). 134
Coffee (Coffea arabica L.) is an important commodity, involving about 500 million people from the cultivation of the coffee trees to final consumption of infusions of the ground roasted coffee beans. In contrast to a considerable amount of research p
Autor:
Francisco L.F. da Silva, Wladiana O. Matos, Rafael de Queiroz Ferreira, Murilo de Oliveira Souza
Publikováno v:
Revista Virtual de Química. 9:1658-1671
O objetivo deste estudo foi avaliar as melhores condicoes operacionais do ICP OES para a determinacao de Na, Ca, Mg, Sr e Fe em amostras de petroleo pesado (baixo grau API) apos digestao acida assistida por micro-ondas. Assim, o planejamento fatorial
Autor:
Lívia Paulia Dias Ribeiro, Francisco L.F. da Silva, Wellington V. de Sousa, Gisele S. Lopes, Sandro T. Gouveia, Wladiana O. Matos
Publikováno v:
Revista Virtual de Química. 9:2226-2236
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Autor:
Francisco L.F. da Silva, Adriano Henrique Ferrarez, Hellen G. Vieira, Cibele Maria Stivanin de Almeida, Wladiana O. Matos, Camila V. G. Vitó, Murilo de Oliveira Souza
Publikováno v:
Environmental monitoring and assessment. 192(6)
The ornamental rock exploration and coating industry has led to significant environmental impacts due to the inadequate manner in which these residues are released into the environment. This impact may be reduced by using these residues for soil enri
Organophosphorus halloysite nanotubes as adsorbent for lead preconcentration in wine and grape juice
Autor:
Laís Helena Sousa Vieira, Fernando Lima de Menezes, Lillian Maria Uchoa Dutra Fechine, Gisele S. Lopes, Odair Pastor Ferreira, Tiago M. Freire, Rafael M. Freire, Lauren L. Ramos, Pierre Basílio Almeida Fechine, Giovanna R. Cavalcante, Francisco L.F. da Silva, Juliano C. Denardin, Allan M. Santana, Wladiana O. Matos
Publikováno v:
Applied Clay Science. 200:105912
Preconcentration of Pb(II) in grape-based beverages using organophosphate-functionalized halloysite nanotubes was investigated by flame atomic absorption spectroscopy (FAAS). For this proposal, a central composition design (CCD) was performed for an
Autor:
Gisele S. Lopes, Wladiana O. Matos, Lívia Paulia Dias Ribeiro, Francisco L.F. da Silva, Thalita A.O. Duarte, Sandro T. Gouveia, Luciana S. Melo
Publikováno v:
Talanta. 146:188-194
Paints, a complex matrix, have a variable composition that is dependent on the application. In this work, a new wet digestion procedure for the determination of Al, As, Ba, Cd, Cr, Cu, Mn, Ni, Pb, Sn, Sr, Ti and Zn in paint samples using inductively
Autor:
Gisele S. Lopes, Wladiana O. Matos, Lívia Paulia Dias Ribeiro, Victor M. Campos, João P.S. Oliveira, Francisco L.F. da Silva
Publikováno v:
Food chemistry. 280
A fast sample preparation procedure based on use of infrared (IR) assisted heating for mineralization of soybean derived samples has been developed for their subsequent multielement analysis by inductively coupled plasma optical emission spectrometry