Zobrazeno 1 - 10
of 94
pro vyhledávání: '"Hideko Yamanaka"'
Autor:
Thalita Boldrin Zanoni, Iracilda Zepponi Carlos, João Olímpio Tognolli, Hideko Yamanaka, A. A. P. Ferreira
Publikováno v:
Eclética Química, Vol 31, Iss 1, Pp 63-72 (2018)
A doença de Chagas é causada pelo Trypanosoma cruzi (T. cruzi) e a detecção de anti- corpos anti-T. cruzi no soro é um método para diagnosticar a doença. Neste trabalho, ELISA indi- reto foi otimizado para a detecção de anticorpos no soro de
Externí odkaz:
https://doaj.org/article/03810bb0565343b8bff2ba89635a29e3
Publikováno v:
Eclética Química, Vol 30, Iss 2, Pp 37-43 (2018)
A L-ascorbic acid biosensor based on ascorbate oxidase has been developed. The enzyme was extracted from the mesocarp of cucumber (Cucumis sativus) by using 0.05 mol L -1 phosphate buffer, pH 5.8 containing 0.5 mol L -1 NaCl. After the dialysis versu
Externí odkaz:
https://doaj.org/article/eb38e66993e44b90bd8785adc22c7bc9
Autor:
Marcos Vinicius Foguel, Carolina Venturini Uliana, Paulo Roberto Ussoni Tomaz, Paulo Roberto Brasil de Oliveira Marques, Hideko Yamanaka, Antonio Aparecido Pupim Ferreira
Publikováno v:
Eclética Química, Vol 34, Iss 2, Pp 59-66 (2018)
Gold electrodes are widely used in electrochemistry and electroanalytical chemistry, due to the high purity, broad range of work potential as well as the possibility to control and modify the surface. On this work construction and cleaning of electro
Externí odkaz:
https://doaj.org/article/aae33ad731ae49a2bb7234d173727b0d
Publikováno v:
Eclética Química, Vol 33, Iss 1, Pp 57-62 (2018)
The electrochemical behavior of the enzyme peroxidase (HRP) was investigated using the hydrogen peroxide as enzymatic substrate and the 5-aminosalicylic acid (5-ASA) as mediator of electrons on graphite electrodes. Several parameters were optimized,
Externí odkaz:
https://doaj.org/article/96b247e3d86d437bb2ca8fd3f1f7c473
Publikováno v:
Eclética Química, Vol 25, Iss 1 (2018)
Neste trabalho procurou-se descrever detalhadamente o procedimento de preparo de um arranjo de eletrodos com geometria em forma de microdiscos (20,2 < re < 25,7 mm) e estudar o comportamento eletroquímico desse conjunto de microeletrodos. Foram apli
Externí odkaz:
https://doaj.org/article/9c529429eea4479c8ac214278cc485b1
Publikováno v:
Eclética Química, Vol 26, Iss 1 (2018)
Tartrazina e índigo carmim são corantes alimentícios amplamente utilizados na indústria alimentícia. Ambos os corantes apresentam ondas voltamétricas de redissolução catódica bem definidas no intervalo de pH 2 a 12, quando pré-acumulados so
Externí odkaz:
https://doaj.org/article/f5d4484002c6419ba6ba8125d20ee5a0
Publikováno v:
Eclética Química, Vol 27, Iss 2 (2018)
In order to study the affinity reaction between the anti-atrazine antibody and atrazine, an enzyme was incorporated, as a marker, to an atrazine carboxylic derivative. The hapten and conjugate were synthesized and characterized by MS, IR and NMR. The
Externí odkaz:
https://doaj.org/article/ec3889a976b74b12adea63f1a7c1fb6e
Autor:
Núbia Fernanda Marinho Rodrigues, Sakae Yotsumoto Neto, Rita de Cássia Silva Luz, Flávio Santos Damos, Hideko Yamanaka
Publikováno v:
Biosensors, Vol 8, Iss 1, p 16 (2018)
A renewable, disposable, low cost, and sensitive sensor for the detection of organophosphorus pesticides was constructed by immobilizing the acetylcholinesterase enzyme (AChE), via glutaraldehyde, on magnetic iron nanoparticles (Fe3O4) previously syn
Externí odkaz:
https://doaj.org/article/cf0bd368d9c14e8fbf6e8f1e40fe6369
Publikováno v:
Química Nova, Vol 33, Iss 4, Pp 964-967 (2010)
An analytical method for the determination of the anti-inflammatory drug 5-aminosalicylic acid (5-ASA) in pharmaceutical formulations using square wave voltammetry at pencil graphite electrodes was developed. After the optimization of the experimenta
Externí odkaz:
https://doaj.org/article/dcebe20f96be4162b73fd76147eaf2aa
Publikováno v:
Brazilian Archives of Biology and Technology, Vol 51, Iss 6, Pp 1233-1240 (2008)
Hydrolysis of whey lactose to glucose and galactose by immobilized galactosidase comes as an alternative to enlarge the possibilities of commercial use of this feedstock. To be applied at industrial scale, the process should be performed continuously
Externí odkaz:
https://doaj.org/article/45e6caef5fdb47e6babb268f117f90e0