Zobrazeno 1 - 10
of 138
pro vyhledávání: '"Ricardo Q. Aucélio"'
Autor:
Tahir, Guilherme C. Concas, Mariana Gisbert, Marco Cremona, Fernando Lazaro, Marcelo Eduardo H. Maia da Costa, Suellen D. T. De Barros, Ricardo Q. Aucélio, Tatiana Saint Pierre, José Marcus Godoy, Diogo Mendes, Gino Mariotto, Nicola Daldosso, Francesco Enrichi, Alexandre Cuin, Aldebarã F. Ferreira, Walter M. de Azevedo, Geronimo Perez, Celso SantAnna, Braulio Soares Archanjo, Yordy E. Licea Fonseca, Andre L. Rossi, Francis L. Deepak, Rajwali Khan, Quaid Zaman, Sven Reichenberger, Theo Fromme, Giancarlo Margheri, José R. Sabino, Gabriella Fibbi, Mario Del Rosso, Anastasia Chillà, Francesca Margheri, Anna Laurenzana, Tommaso Del Rosso
Publikováno v:
Small Science, Vol 4, Iss 7, Pp n/a-n/a (2024)
Over the last decade, the CO2 reduction reaction (CO2RR) has been increasingly exploited for the synthesis of high‐value raw materials in gaseous or liquid form, although no examples of CO2 fixation in nanoparticle systems have been demonstrated. H
Externí odkaz:
https://doaj.org/article/062d3f6a30f448a980c08fad6d46bcba
Autor:
Tatiane V.D. Gomes, Rosana C. Macedo, Anastácia S. Canto, Elisabeth C. Monteiro, Alessandra Licursi M.C. da Cunha, Ricardo Q. Aucélio
Publikováno v:
Food Chemistry Advances, Vol 4, Iss , Pp 100594- (2024)
A method based on capillary micellar electrokinetic chromatography (MEKC) was developed for vitamin K1 and K3 determination. Experimental and instrumental parameters optimized for electrophoretic separation with better peak efficiency were: borate bu
Externí odkaz:
https://doaj.org/article/afdc3eeb4ce246df9afff97837609ac0
Autor:
Marlin J. Pedrozo-Peñafiel, Adriana Doyle, Andréa S. Vieira, Joseany M.S. Almeida, Ricardo Q. Aucélio
Publikováno v:
Talanta Open, Vol 7, Iss , Pp 100214- (2023)
Glycerin, by-product of biodiesel, is produced in large amounts and it contains several contaminants, including chorine (due to the neutralization stage using HCl). When using this glycerin as biomass to produce energy, the presence of alkaline chlor
Externí odkaz:
https://doaj.org/article/12717117c78743d280966c12a42577d3
Publikováno v:
Journal of Trace Elements and Minerals, Vol 2, Iss , Pp 100011- (2022)
Externí odkaz:
https://doaj.org/article/8126e44adb0f4f9d9ab679bb1674ebfb
Publikováno v:
Journal of Trace Elements and Minerals, Vol 1, Iss , Pp 100003- (2022)
Trace elements play an important role in humans as some are essential for the proper functioning of the body while others may have negative impact in health. Inductively coupled plasma mass spectrometry (ICP-MS) has been used for the determination of
Externí odkaz:
https://doaj.org/article/9500efe298694dd481ce8a30e3c1572f
Autor:
Carlos A.T. Toloza, Joseany M.S. Almeida, Sarzamin Khan, Yasmin G. dos Santos, Andrea R. da Silva, Ricardo Q. Aucélio
Publikováno v:
MethodsX, Vol 5, Iss , Pp 1605-1612 (2018)
This is a description of the indirect determination of kanamycin sulfate though the photoluminescence enhancement of an aqueous dispersion of amino-functionalized graphene quantum dots (amino-GQDs) coupled with gold nanoparticles (AuNPs) in a cationi
Externí odkaz:
https://doaj.org/article/90afa46f081d46a0992485be15a4cd2a
Autor:
Juliana M. Carvalho, Andrea R. da Silva, Alessandra L. M. C. da Cunha, Ricardo Q. Aucélio, André Luis M. Alberti, Katia C. Leandro
Publikováno v:
Química Nova, Vol 35, Iss 5, Pp 988-992 (2012)
A simple and sensitive method has been proposed for the determination of sibutramine-HCl in energy drinks, green tea and pharmaceutical formulations using differential pulse voltammetry performed on a hanging mercury drop electrode. In the chosen exp
Externí odkaz:
https://doaj.org/article/d9dd2923b75748bc8eac55d302dc0b70
Publikováno v:
Química Nova, Vol 33, Iss 6, Pp 1301-1306 (2010)
Room-temperature phosphorimetry was used to quantify trace levels of chrysene in sugar-cane spirits and in fish bile. A selective phosphorescence enhancer (AgNO3) and synchronous scanning allowed the detection of ng amounts of chrysene. Accuracy (113
Externí odkaz:
https://doaj.org/article/579bbe88eacb4356979df8b7ca093831
Autor:
Tatiana D. Saint'Pierre, Tatiane de A. Maranhão, Vera L. Frescura, Adilson J. Curtius, Ricardo Q. Aucélio
Publikováno v:
Química Nova, Vol 31, Iss 7, Pp 1626-1630 (2008)
A method was developed for quantification of Cd and Pb in ethanol fuel by filter furnace atomic absorption spectrometry. Filter furnace was used to eliminate the need for chemical modification, to stabilize volatile analytes and to allow the applicat
Externí odkaz:
https://doaj.org/article/fc222a3a97464221ba64b4f309c6fa6b
Autor:
Joseany M. S. Almeida, Ana Beatriz P. Ribeiro, Carlos A. T. Toloza, Ismael C. B. Alves, José Ribamar N. Santos, Lorena C. M. De Azevedo, Ricardo Q. Aucélio, Aldaléa L. B. Marques
Publikováno v:
REDICUC-Repositorio CUC
Corporación Universidad de la Costa
instacron:Corporación Universidad de la Costa
Corporación Universidad de la Costa
instacron:Corporación Universidad de la Costa
Square-wave adsorptive stripping voltammetry (SWAdSV) was used to determine iron in ethanol and biodiesel using a bismuth-film electrode (BiFE) prepared onto the surface of a glassy carbon electrode (GCE) by electrochemical deposition to promote the