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Now showing items 11-20 of 52
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 ...
Avaliação da produção de biossurfactantes por microrganismos isolados de painéis fotovoltaicos: screening, otimização e uso de substrato alternativo
(Universidade Federal de São Carlos, 2024-02-21)
Biotechnologically, biosurfactants are used as emulsifiers and surface tension reducers in industrial, pharmaceutical and food sectors. To reduce production costs, alternative carbon sources are used, such as agro-industrial ...
Impactos da mudança do uso e cobertura do solo na emissão de óxido nitroso e abundância de bactérias desnitrificantes no solo
(Universidade Federal de São Carlos, 2018-05-03)
Agriculture is responsible for 80% of nitrous oxide emissions on earth's atmosphere, the most potential greenhouse gas among the three main gases (CO2, CH4 and N2O). Citriculture and silviculture play an important role on ...
Análise da função cardíaca de girinos de rã-touro, Lithobathes catesbeianus, expostos a piretrina, associada ou não a nanopartículas
(Universidade Federal de São Carlos, 2018-03-09)
The increasing use of agrochemicals has been causing several environmental disturbances. As a result, botanical insecticides, such as pyrethrum (PYR), have been created because they are considered biodegradable and less ...
Tafonomia experimental sobre peixes: geobiológicas e zooarqueológicas
(Universidade Federal de São Carlos, 2018-03-12)
Experimental Taphonomy has assisted in the simulation and understanding of variables that affect the fidelity of paleontological and zooarchaeological records. In this experimental study was tested the role of thermal ...
Avaliação da contaminação microbiana em fluido para cortes de metais em indústria metalúrgica.
(Universidade Federal de São Carlos, 2018-03-09)
Metalworking Fluids (MWF) is the class of oils and liquids used to lubricate, reduce heat and friction between the tool and parts, helping the parts machining at the time of cutting. Contamination from the dilution water ...
Metais potencialmente tóxicos em ambiente aquático: utilização de geoprocessamento para identificação de fontes poluidoras.
(Universidade Federal de São Carlos, 2018-01-18)
The Pirapora River is an important source that supplies the cities of the region of Sorocaba / SP. The place chosen for this work is located in the city of Salto de Pirapora. The city of Salto de Pirapora stands out in the ...
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 ...
Respostas metabólicas em girinos de rã- Touro, Lithobates catesbeianus após exposição ao zinco, cobre e cádmio
(Universidade Federal de São Carlos, 2019-02-27)
The metals in the aquatic environment may be incorporated by the local biota and once incorporated may accumulate in organisms and result, even at sublethal level, in biochemical and physiological dysfunctions with important ...
Desenvolvimento de sensor nanomecânico de cantilever para detecção de micrornas marcadores de metástases de carcinoma epidermóide de cabeça e pescoço (CECP)
(Universidade Federal de São Carlos, 2018-06-29)
Head and neck squamous cell carcinoma (HNSCC) is a neoplasm that affects the regions of the oral cavity, pharynx and larynx with high incidence, reaching approximately 600 thousand new cases per year. Cases of local ...