Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Sônia C. N. Queiroz"'
Autor:
Mariana Cruz Delcorso, Paula Pereira de Paiva, Marcela Regina Paganuchi Grigoleto, Sônia C. N. Queiroz, Carla Beatriz Collares-Buzato, Sarah Arana
Publikováno v:
Veterinary World, Vol 13, Iss 1, Pp 147-159 (2020)
Background and Aim: The commercial formulations of the herbicide atrazine (cATZ) are widely employed in Brazilian agriculture, and, as a consequence, ATZ has been found at levels above that established by law in the river basins in Brazil. Although t
Externí odkaz:
https://doaj.org/article/cc15ac541d73411da2d3a62403103a62
Autor:
Eunice R. Batista, Andre May, Sergio O. Procópio, Marcia R. Assalin, Helio D. Quevedo, Nicole Binhardi, Sonia C. N. Queiroz
Publikováno v:
AgriEngineering, Vol 6, Iss 3, Pp 2926-2940 (2024)
Cyclamen (Cyclamen persicum Mill.) is an ornamental plant that is highly susceptible to pathogens, requiring high amounts of phytosanitary products. Therefore, the development of more sustainable alternatives has been required. The present study aime
Externí odkaz:
https://doaj.org/article/ba174d8d7bbe404a9429aad0c00f21f6
Autor:
Jordana A. Ferreira, José A. Ramos, Debora R. C. S. Dutra, Brandon Di Lella, Ericka E. Helmick, Sonia C. N. Queiroz, Brian W. Bahder
Publikováno v:
Plants, Vol 12, Iss 11, p 2164 (2023)
Lethal bronzing (LB) is a fatal infection that affects over 20 species of palms (Arecaceae) and is caused by the phytoplasma ‘Candidatus Phytoplasma aculeata’. This pathogen causes significant economic losses to landscape and nursery companies in
Externí odkaz:
https://doaj.org/article/e28cc1256d4444b3873a01317b1baab5
Autor:
Kátia S. D. Nunes, Márcia R. Assalin, José H. Vallim, Claudio M. Jonsson, Sonia C. N. Queiroz, Felix G. R. Reyes
Publikováno v:
Journal of Analytical Methods in Chemistry, Vol 2018 (2018)
A multiresidue method for detecting and quantifying sulfonamides (sulfapyridine, sulfamerazine, sulfathiazole, sulfamethazine, sulfadimethoxine, sulfamethoxazole, and sulfamethoxypyridazine) and trimethoprim in tilapia fillet (Oreochromis niloticus)
Externí odkaz:
https://doaj.org/article/75ae2985c815475e891cbe3e11f56995
Autor:
Regina Teresa Rosim Monteiro, Gabriela H. Silva, Tamara G. Messias, Sonia C. N. Queiroz, Marcia Regina Assalin, Debora Renata Cassoli, Carlos Henrique Rocha Alves, Antonio Carlos Ferreira, Christian Blaise
Publikováno v:
Revista Ambiente & Água, Vol 9, Iss 1, Pp 6-18 (2014)
Physicochemical and ecotoxicological measurements were employed to appraise the water quality of the Corumbataí River raw water (RW) intake, and that of its filtered (FW) and treated (TW) waters, processed by the Water Treatment Plant (WTP) of Pirac
Externí odkaz:
https://doaj.org/article/5966586522f24539a5c6b9a35651413f
Publikováno v:
Química Nova, Vol 35, Iss 1, Pp 185-192 (2012)
This paper presents a practical and rapid method which was validated for simultaneous quantification and confirmation of 29 pesticides in fruits and vegetables using ultra performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS). The s
Externí odkaz:
https://doaj.org/article/5243fa89ee0e4fb3a53cac46760d449b
Publikováno v:
Química Nova, Vol 32, Iss 2, Pp 378-381 (2009)
São Paulo state (Brazil) has an important area of sugarcane production, mainly for obtaining alcohol and sugar, where there is an intensive use of pesticides. An important recharge zone of Guarani aquifer, with supplies water for the local populatio
Externí odkaz:
https://doaj.org/article/a5dc9a34b78447a5b437ca2c368e0607
Publikováno v:
Química Nova, Vol 29, Iss 4, Pp 637-640 (2006)
This paper presents an easy and practical procedure to obtain silica-based C-8 type sorbents for use in solid-phase extraction. The materials are prepared by depositing poly(methyloctylsiloxane), PMOS, on the silica support. Two different treatments
Externí odkaz:
https://doaj.org/article/1a0010c75a19476d8619d07e9cbff46a
Publikováno v:
Química Nova, Vol 24, Iss 1, Pp 68-76 (2001)
When organic compounds present in biological fluids are analysed by chromatographic methods, it is generally necessary to carry out a prior sample preparation due the high complexity of this type of sample, especially when the compounds to be determi
Externí odkaz:
https://doaj.org/article/13aed9b259364cf9804cba6a13f9f091
Publikováno v:
Química Nova, Vol 28, Iss 3, Pp 380-382 (2005)
This work presents an alternative method for determination of the herbicides tebuthiuron and hexazinone in ground water. The extraction was made with dichloromethane and the analyses by high performance liquid chromatography (HPLC), using reversed-ph
Externí odkaz:
https://doaj.org/article/10df7d1121f54ca08129a69f85eaa3d7