Search
Now showing items 551-560 of 607
Uso de biotemplates na obtenção de microtubos com nanopartículas de ouro
(Universidade Federal de São Carlos, 2014-02-14)
Recently, the studies in the area of hybrid materials composed by biological structures have been of great interest, since they are considered versatile biotemplates in wich referred to the organization of nanostructured ...
Sobre a síntese de pirróis 3,4-dissubstituídos e seus correspondentes derivados porfirínicos
(Universidade Federal de São Carlos, 2014-02-28)
In this work we have developed the synthesis of 3,4-disubstituted pyrroles, aiming at the preparation of strategically designed (continue...)
Efeito dos íons Ni2+ nas propriedades estruturais, ópticas e morfológicas do tungstato de prata
(Universidade Federal de São Carlos, 2015-07-17)
The tungstates are important compounds and known for their optical properties. In this work, solid solutions with nickel silver tungstate, 𝐴𝑔2−2𝑥𝑁𝑖𝑥𝑊𝑂4, ...
Combinação de reações organocatalíticas e multicomponentes para a síntese de sistemas heterocíclicos e moleculas híbridas
(Universidade Federal de São Carlos, 2019-02-08)
Small enantiomerically pure or enriched organic molecules are key starting materials
in organic synthesis. Chiral building blocks are in high demand in the overall
synthesis of complex natural products and in the discovery ...
Acilação e alquilação fotoquímica de heteroarenos utilizando diacetil
(Universidade Federal de São Carlos, 2018-11-01)
N-heterocycles are important building blocks in the synthesis of bioactive compounds, besides that many of them are present in natural products. Most of the methodologies for heteroarene functionalization requires several ...
Degradação eletroquímica dos herbicidas tebutiuron e picloram usando anodo de diamante dopado com boro ou de dióxido de chumbo em um reator filtro-prensa
(Universidade Federal de São Carlos, 2015-10-23)
The electrochemical degradation of the herbicides tebuthiuron (TBT) and picloram (PCL) was carried out in a filter-press reactor using boron-doped diamond (BDD) or lead dioxide as anode, investigating the effect of current ...
Bioactivity, chemical and microbial diversity in Alternanthera brasiliana : the influence of endophytes on antibiotic production
(Universidade Federal de São Carlos, 2016-02-25)
Alternanthera brasiliana is a plant widely used by Brazilian people
as a folk medicine for the treatment of numerous diseases, especially
due to its antibiotic properties. Using dereplication strategies, we
identified ...
Nanomateriais semicondutores aplicados na fabricação de dispositivos eletroquímicos
(Universidade Federal de São Carlos, 2019-03-22)
This dissertation was subdivided into 3 different studies. In the first study, it was proposed the development of a photo-electrochemical system for the removal of caffeine in natural water samples. Photo-anodes made with ...
Desenvolvimento de imunoensaio eletroquímico para detecção de biomarcadores proteicos utilizando partículas magnéticas e arranjo de eletrodos descartáveis para o diagnóstico de câncer de próstata
(Universidade Federal de São Carlos, 2019-04-05)
This work describes the development of electrochemical immunoassays using electrode disposable devices made from low cost materials as an alternative for detection of the biomarkers p16, GSTP1, PSA and CYFRA-21-1 for ...
Estudo teórico das propriedades ópticas dos BaWO4 e PbWO4
(Universidade Federal de São Carlos, 2012-09-21)
Among the scheelites, we highlight the Barium Tungstats (BaWO4) and lead tungstate (PbWO4). These compounds can be synthesized by various synthetic routes. However, we can highlight the hydrothermal synthesis method assisted ...