Zobrazeno 1 - 10
of 922
pro vyhledávání: '"E, Toma"'
Autor:
LUCAS F. QUARTAROLLI, FERNANDO M. DE MELO, JOANIEL M. MARTINS, ALCEU T. SILVEIRA-JUNIOR, MARCELO NAKAMURA, HENRIQUE E. TOMA
Publikováno v:
Anais da Academia Brasileira de Ciências, Vol 96, Iss suppl 1 (2024)
Abstract Jacobsite is a relatively rare mineral of composition MnFe2O4, found in Urandi (Bahia State) in Brazil. It is also a common species in the deep-sea manganese nodules, attracting the interest of many mineral-extracting companies. Because of i
Externí odkaz:
https://doaj.org/article/7ccb460ca4124492b6a053982562d125
Repurposing the Strontium Ranelate Antiosteoporotic Drug as a New Outstanding Biocompatible Blue Dye
Publikováno v:
Colorants, Vol 2, Iss 3, Pp 578-590 (2023)
Blue dyes are relatively uncommon in nature, and a novel dithiophene dye (RanB) is reported in this paper. This dye is derived from an old anti-osteoporotic drug and is a metal ion complexing agent, displaying a planar molecular structure, with two s
Externí odkaz:
https://doaj.org/article/7830cc46c9344e288eb70f302c565459
Autor:
Artur L. Hennemann, Miguel D. Ramos-Jr, Luca M. Sihn, Marcelo Nakamura, André L.B. Formiga, Henrique E. Toma
Publikováno v:
Results in Chemistry, Vol 7, Iss , Pp 101240- (2024)
Metformin (MF) is one of the most important medicaments in the market. It has been extensively employed in the treatment of type-2 diabetes, but its analytical detection is rather complicated, requiring, for instance, high-performance chromatographic
Externí odkaz:
https://doaj.org/article/726161f0d7ac46b299dc86cba00065c0
Autor:
Thawan G. Oliveira, Irlan S. Lima, Wilson A. Ameku, Josué M. Gonçalves, Rodrigo S. Souza, Henrique E. Toma, Lúcio Angnes
Publikováno v:
Chemosensors, Vol 11, Iss 12, p 574 (2023)
Laser engraving is a convenient, fast, one-step, and environmentally friendly technique used to produce more conductive surfaces by local pyrolysis. The laser’s thermal treatment can also remove non-conductive materials from the electrode surfaces
Externí odkaz:
https://doaj.org/article/bf8d01f6a7b844319e24734675fa77c9
Autor:
Henrique E. Toma
Publikováno v:
Química Nova, Vol 44, Iss 1, Pp 112-117 (2021)
A very simple, but rich experiment, encompassing a classical Galileo’s pendulum, has been devised to be performed at home, especially during the Covid-19 pandemics. The experiment uses a miniature supermagnet rod as the pendulum oscillating element
Externí odkaz:
https://doaj.org/article/ab5d417a76a942f7bf9e2b88a9c5bcc8
Autor:
Jamille S. Correa, Júlia O. Primo, Carla Bittencourt, Dienifer F.L. Horsth, Eduardo Radovanovic, Alceu T. Silveira-Jr, Henrique E. Toma, Cristina M. Zanette, Fauze J. Anaissi
Publikováno v:
Data in Brief, Vol 40, Iss , Pp 107776- (2022)
This data article is associated with the work “Ecofriendly synthesis of Zn-abietate complex derived from Pinus elliottii resin and its application as an antibacterial pigment against S. aureus and E. coli”. The characterization data of the Zn-abi
Externí odkaz:
https://doaj.org/article/44ec046c32034b8990d5ceba57b51c20
Autor:
Jamille de S. Correa, Julia de O. Primo, Nayara Balaba, Christoph Pratsch, Stephan Werner, Henrique E. Toma, Fauze J. Anaissi, Ruddy Wattiez, Cristina M. Zanette, Rob C. A. Onderwater, Carla Bittencourt
Publikováno v:
Nanomaterials, Vol 13, Iss 7, p 1202 (2023)
Co-abietate and Cu-abietate complexes were obtained by a low-cost and eco-friendly route. The synthesis process used Pinus elliottii resin and an aqueous solution of CuSO4/CoSO4 at a mild temperature (80 °C) without organic solvents. The obtained co
Externí odkaz:
https://doaj.org/article/2bddca858a9046bdada4ef0975f0a5a7
Autor:
Christian O. Martins, Leticia K. Sebastiany, Alejandro Lopez-Castillo, Rafael S. Freitas, Leandro H. Andrade, Henrique E. Toma, Caterina G. C. Marques Netto
Publikováno v:
Molecules, Vol 28, Iss 4, p 1659 (2023)
Urease is an enzyme containing a dinuclear nickel active center responsible for the hydrolysis of urea into carbon dioxide and ammonia. Interestingly, inorganic models of urease are unable to mimic its mechanism despite their similarities to the enzy
Externí odkaz:
https://doaj.org/article/5d9634fca3a342e0b19380213a97c612
Autor:
Aline B. Schons, Jamille S. Correa, Patricia Appelt, Daiane Meneguzzi, Mário A. A. Cunha, Carla Bittencourt, Henrique E. Toma, Fauze J. Anaissi
Publikováno v:
Molecules, Vol 27, Iss 19, p 6679 (2022)
The search for less expensive and viable products is always one of the challenges for research development. Commonly, the synthesis of coordination compounds involves expensive ligands, through expensive and low-yield routes, in addition to generatin
Externí odkaz:
https://doaj.org/article/550c9f2d8b3442569d775165026d6ba5
Autor:
Henrique E. Toma
Publikováno v:
Química Nova, Vol 44, Iss 7, Pp 919-920 (2021)
Externí odkaz:
https://doaj.org/article/439ef68db66044dbbeda5a6c82b2e19f