Results 1 to 10 of about 307 (70)

Suscetibilidade de populações de Brevipalpus phoenicis (Geijskes, 1939) (Acari: Tenuipalpidae) a acaricidas organoestânicos em citros [PDF]

open access: goldScientia Agricola, 2001
Brevipalpus phoenicis (Geijskes, 1939) é uma das principais pragas da cultura de citros no Brasil. Os acaricidas organoestânicos representam mais 40% da área tratada de citros para o controle de B. phoenicis.
Roberto Hiroyuki Konno   +2 more
doaj   +6 more sources

Efeito biocida de mandelatos organoestânicos sobre Fusarium oxysporum f. sp. cubense Biocide effect of organotin mandelates on Fusarium oxysporum f. sp. cubense [PDF]

open access: goldCiência e Agrotecnologia, 2004
Compostos organoestânicos são substâncias que têm sido utilizadas como biocidas. A vantagem do uso dessa classe de compostos é sua degradação em dióxido de estanho (SnO2), que é atóxico para o meio ambiente.
Edelcio Tavares de Araujo   +4 more
doaj   +5 more sources

Imposex in endemic volutid from Northeast Brazil (Mollusca: Gastropoda) [PDF]

open access: yesBrazilian Archives of Biology and Technology, 2008
Imposex is characterized by the development of masculine sexual organs in neogastropod females. Almost 120 mollusk species are known to present imposex when exposed to organic tin compounds as tributyltin (TBT) and triphenyltin (TPT). These compounds are
Ítalo Braga de Castro   +5 more
doaj   +8 more sources

Imposex induction in Stramonita haemastoma floridana (Conrad, 1837) (Mollusca: Gastropoda: Muricidae) submitted to an organotin-contaminated diet [PDF]

open access: yesBrazilian Journal of Oceanography, 2006
Marine organisms are affected by organotin compounds due to the cumulative, deleterious effects of these latter. The most evident and well known consequence of organotin contamination is imposex, a hormonal disruption that causes a superimposition of ...
Aline Fernandes Alves de Lima   +2 more
doaj   +2 more sources

Organotin pollution at Arraial do Cabo, Rio de Janeiro State, Brazil: increasing levels after the TBT ban [PDF]

open access: yesBrazilian Journal of Oceanography, 2011
Imposex, an endocrine disruption phenomenon, is a biomarker of tributyltin (TBT) exposure in marine gastropod populations. The occurrence and intensity of the syndrome in populations of the neogastropod Stramonita haemastoma were ascertained at nine ...
Raquel Toste   +4 more
doaj   +4 more sources

Contaminação ambiental por compostos organoestânicos [PDF]

open access: goldQuímica Nova, 2003
Ana Flavia Locateli Godoi   +2 more
doaj   +3 more sources

Compostos organoestânicos derivados do ácido valpróico: preparação, elucidação estrutural e estudo preliminar da atividade biológica in vitro [PDF]

open access: green, 2013
The synthesis, characterization and structural authentication of organotin valproates, [{Me2SnVPA}2O]2 (1), [{Bu2SnVPA}2O]2 (2), [PhSn(O)VPA]6 (3), [Me3SnVPA]n (4), [Bu3SnVPA]n (5) and Ph3SnVPA (6) are described in this work.
B.P. De Morais
openalex   +3 more sources

Determinação de biomarcadores e compostos organoestânicos em amostras de sedimentos superficiais de três regiões portuárias do estado de Santa Catarina, Brasil [PDF]

open access: closed, 2010
Tese (doutorado) - Universidade Federal de Santa Catarina, Centro de Ciências Físicas e Matemáticas, Programa de Pós-Graduação em Química, Florianópolis, 2010Pela primeira vez, a distribuição de biomarcadores lipídicos e compostos organoestânicos foi ...
Cristiane Rossi de Oliveira
openalex   +2 more sources

Marine-friendly antifouling coating based on the use of a fatty acid derivative as a pigment [PDF]

open access: yes, 2014
This study was devoted to examining the application of copper dodecanoate as a non-contaminant antifouling pigment due to its low copper content and fatty acid nature.
Alemán Llansó, Carlos   +4 more
core   +2 more sources

Imposex in Stramonita haemastoma from coastal sites of Cartagena, Colombia

open access: yesBrazilian Journal of Biology, 2017
Imposex is the development of male sexual characteristics caused by the toxic effects of some chemicals that acts as an endocrinal disruptor. Antifouling paints contain these chemicals.
L. Sierra-Marquez   +3 more
doaj   +1 more source

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