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Now showing items 21-30 of 36
Imobilização de nanopartículas de ouro em filmes automontados como sensores de íons cadmio e cobre
(Universidade Federal de São Carlos, 2018-07-10)
Nowadays, with industrial development, the concentrations of toxic materials produced and dumped by factory and domestic waste are increasing. The heavy metals are part of these contaminants which currently contaminate ...
Efeito de nanotubos de carbono de parede múltipla em girinos de Lithobates catesbeianus (SHAW, 1802) sobre biomarcadores em diferentes níveis de organização biológica
(Universidade Federal de São Carlos, 2019-02-28)
The search for materials improvement brought the development of nanoparticles, which environmental and health consequences from its use are slightly understood. Added to that context the drastic populational decline of ...
Análise genotóxica do Fipronil® no cérebro de abelhas da espécie Bombus atratus (HYMENOPTERA, BOMBINI)
(Universidade Federal de São Carlos, 2022-02-22)
Fipronil® is a neurotoxic insecticide, effective for control of crop pests. However, there are no data about possible genotoxic effect of sublethal concentrations in the brain of pollinator bees. Therefore, this study aimed ...
Aspectos ecológicos e comportamental de vagalumes Bicellonycha lividipennis motschulsky, 1854 (Coleoptera: Lampyridae) em áreas sob influência de iluminação artificial de vapor de sódio no município de Sorocaba-SP
(Universidade Federal de São Carlos, 2022-09-28)
The consequences of light pollution are reflected between vertebrates and invertebrates. One of the most affected organisms and target of study in this work are fireflies, especially lampyrids. The bioluminescence of these ...
Estudo da ação antimicrobiana de Ga(NO3)3 em cepas bacterianas
(Universidade Federal de São Carlos, 2022-03-03)
According to the World Health Organization in 2020, from all hospitalized patients, a share of cases are infections acquired in a hospital environment due to invasive procedures. For decades, Escherichia coli and Staphylococcus ...
Taxonomic and biotechnological potential assessment of microbial diversity on photovoltaic panels surfaces in a tropical environment
(Universidade Federal de São Carlos, 2021-06-30)
Photovoltaic panels can be colonized by a highly diverse microbial diversity, despite life threatening conditions. Although they are distributed worldwide, the microorganisms living
on their surfaces have never been ...
Análise de biomarcadores morfológicos em girinos de rã-touro, Lithobates catesbeianus (Shaw, 1802), expostos a nanotubos de carbono de parede múltipla e ao seu surfactante isolado Pluronic TM F-127
(Universidade Federal de São Carlos, 2021-05-27)
This work assessed the hepatic effect of carbon nanotubes (CNT) [10 mg.L-1] (NT group; n=9) associated with Pluronictm F-127 (0,1%), as well as its isolated effect (ST group; n=9), by the analysis of hepatic biomarkers ...
Proposta metodológica para a transferência da tecnologia ILPF em pastagens, transferência do conhecimento e informação técnica para produtores rurais
(Universidade Federal de São Carlos, 2021-12-20)
Agricultural production practices that are not based on a conservation approach contribute to accelerated soil erosion, depleting this important resource and negatively impacting water resources. Thus, more sustainable ...
Avaliação ecotoxicológica das águas do Rio Pirajibú por análises de biomarcadores em girinos de rã-touro, Lithobates catesbeianus (Shaw, 1802)
(Universidade Federal de São Carlos, 2022-03-03)
In Sorocaba/SP, the Pirajibú river courses the industrial zone of the city, and receives the effluents discharge from several companies. This river is classified as class 2, according to the criteria defined by Brazilian ...
Nanopartículas de ouro funcionalizadas com flavina adenina dinucleotídeo para detecção eletroquímica de dopamina
(Universidade Federal de São Carlos, 2021-05-21)
Dopamine (DA) is a neurotransmitter with multiple roles in the central nervous system, and alterations in its level in the organism result in Parkinson’s and schizophrenia diseases. Therefore, DA levels monitoring in the ...