Search
Now showing items 981-990 of 1067
Estudo fitoquímico biomonitorado de Duguetia lanceolata e Lithraea molleoides no controle de pragas agrícolas e processos de nanoencapsulamento
(Universidade Federal de São Carlos, 2016-04-29)
Leafcutter ants and maize weevil are responsible for great losses in Brazilian agriculture due to the difficult control of these pests. Natural products are becoming increasingly important, mainly in the search for non-toxic ...
Determinação de Si e Y em amostras agronômicas por espectrometria de emissão óptica com plasma induzido por micro-ondas
(Universidade Federal de São Carlos, 2021-05-20)
Different demands for analytical responses are presented in agricultural research. In this approach, this dissertation, divided into two chapters, seeks to offer analytical alternatives for plant breeding and fish nutrition ...
Desenvolvimento de biossensores eletroquímicos baseados em acetilcolinesterase visando identificar extratos e substâncias para o controle de formigas cortadeiras
(Universidade Federal de São Carlos, 2019-10-31)
Brazil, which is a continental country, has an appropriate climate for various agricultural practices. Insects, in general, are considered pests for agricultural areas, among them, an Atta sexdens rubropilosa (leafcutter ...
Eletrodo de pasta de carbono modificado com solvente eutético profundo hidrofóbico e sua aplicação voltamétrica
(Universidade Federal de São Carlos, 2021-03-01)
In this work, the use of hydrophobic deep eutectic solvent was proposed for the modification of carbon paste electrodes. Different HDES were prepared using fatty acids: octanoic, decanoic, and dodecanoic acids, and ...
Desenvolvimento de eletrodo modificado com o solvente eutético profundo cloreto de colina/glicerol para a determinação simultânea de paracetamol e diclofenaco
(Universidade Federal de São Carlos, 2021-04-22)
In this master’s dissertation has investigated the use of deep eutectic solvents (DES) for the development of electrochemical sensors. DES was immobilized on the surface of a glassy carbon electrode (GCE) within carbon ...
Perfil químico e dinâmica espacial e temporal de flavonoides de soja [Glycine Max (L.) Merr.].
(Universidade Federal de São Carlos, 2021-03-11)
The soybean (Glycine max) is a legume species originally from China, belonging to the Fabaceae family. This crop is exposed throughout its cycle to attack by different species of insect pests, which can affect the plant ...
Efeito da inserção de nanopartículas de TiO2-OPM sobre as propriedades do PET reciclado
(Universidade Federal de São Carlos, 2021-04-26)
Poly (ethylene terephthalate) (PET) is one of the most consumed polymers today, mainly in the fast-disposable beverage market, its excellent properties associated with its low production cost, make it one of the most ...
UVC-based advanced oxidation processes for water treatment: laboratory and pilot plant scale studies
(Universidade Federal de São Carlos, 2020-09-21)
The challenge of providing good-quality water free from contaminants of emerging concern (including organic microcontaminants; OMCs) and pathogens is one of the main hot topics worldwide. Thus, the efficiency of different ...
Desenvolvimento de dispersões sólidas e membranas baseadas em praziquantel-poli(álcool vinílico) na terapêutica de esquistossomose
(Universidade Federal de São Carlos, 2021-03-23)
Schistosomosis is a parasitic disease considered neglected and endemic in 75 countries. It is estimated that 240 million people are infected and 700 to 800 million people are at risk. Despite that, there is no effective ...
As propriedades espectroscópicas, fotoquímicas, fotofísicas e eletroquímicas do complexo de Ru(II) cis-[Ru(tbbpy)2(4Apy)2]2+, em que tbbpy = 4,4’-ditert-butil-2,2’-bipiridina e 4Apy = 4-Aminopiridina
(Universidade Federal de São Carlos, 2021-04-28)
This work involves the synthesis and characterization of the cis-[Ru(tbbpy)2(4Apy)2]2+ complex where tbbpy = 4,4'-di-tert-butyl-2,2'-bipyridine and 4Apy = 4-Aminopyridine, determination of spectroscopic, photochemical and ...