Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Carlos A.T. Toloza"'
Autor:
Claudiomar R. Franco, Jarol R. Miranda-Andrades, Carlos A.T. Toloza, Dunieskys G. Larrudé, Luis Maqueira-Espinosa, Ricardo Q. Aucelio, Anna De Falco, Marlin J. Pedrozo-Peñafiel
Publikováno v:
Talanta Open, Vol 7, Iss , Pp 100184- (2023)
Thiomersal is an organomercurial compound but, despite that, it is widely used in vaccines formulations to inactivate organisms and toxins and to prevent microbial growth during storage and use. In this work, thiomersal (along with traces of mercuria
Externí odkaz:
https://doaj.org/article/bacac0a9cb1b453495dbb343c670caf9
Publikováno v:
Heliyon, Vol 9, Iss 4, Pp e15408- (2023)
In this study, zeolites (Z) were used as catalysts in the cracking of a Colombian vacuum gas oil (VGO), with a focus on product distribution and coke deposition. The catalytic tests were carried out in a MAT-type reactor under typical conditions. The
Externí odkaz:
https://doaj.org/article/241c7bad827644f2b951dc59b8816624
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:
Adriana Gioda, Ricardo Q. Aucélio, Carlos A.T. Toloza, Anna De Falco, Carolina Rosa Gioda, Dunieskys G. Larrude, Joseany M.S. Almeida, Eduarda Santa-Helena, Fatima Ventura Pereira Meirelles
Publikováno v:
Fullerenes, Nanotubes and Carbon Nanostructures. 30:657-666
Graphene quantum dots (GQDs) have been of high interest due to their size and optical characteristics, which improves when functional groups are added to their borders and defects. In this work, th...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4a845b8d31582f8f6195aa128fe50109
https://doi.org/10.1080/1536383x.2021.1995367
https://doi.org/10.1080/1536383x.2021.1995367
Autor:
Edgar Marquez, Yelitce Reales, Esneyder Puello-Polo, Luis C. C. Arzuza, Dunieskys G. Larruded, Carlos A.T. Toloza
Publikováno v:
Catalysis Letters. 151:2038-2055
The effect of Ga as support modifier and V as second promoter on the NiMoV/Al2O3-Ga2O3 catalyst varying the synthesis method (SG: sol–gel synthesis vs I: impregnation synthesis) was studied. The catalysts were characterized by elemental analysis, t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5d5fd30774d52698089e968f5e3ece1b
https://doi.org/10.1007/s10562-020-03438-y
https://doi.org/10.1007/s10562-020-03438-y
Autor:
Rosana C. Macedo, Ricardo Q. Aucélio, Carlos A.T. Toloza, Alessandra L. M. C. da Cunha, Ana Paula Lamounier, Lillian O. P. Silva, Joseany M.S. Almeida
Publikováno v:
Analytical Letters. 53:2202-2221
A high-performance chromatographic method was developed to determine the fungicide kresoxim-methyl. Off-line photochemical derivatization was used to induce the formation of a stable and fluorescen...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3650f9b459048d34cb0fd6ca7d5dd69a
https://doi.org/10.1080/00032719.2020.1733589
https://doi.org/10.1080/00032719.2020.1733589
Autor:
Sarzamin Khan, Jarol R. Miranda-Andrades, Roberta M. Maciel, Rainério Escalfoni, Maria Luiza B. Tristão, Ricardo Q. Aucélio, Carlos A.T. Toloza
Publikováno v:
Microchemical Journal. 146:1072-1082
Mercury speciation analysis in produced water (PW) was achieved by optical multipath cold vapor atomic absorption spectrometry. One sample aliquot was treated with SnCl2, producing Hg0 that was carried out to the optical detection cell to be determin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1390331ee5ea4fb0e61a041325b76e2a
https://doi.org/10.1016/j.microc.2019.02.045
https://doi.org/10.1016/j.microc.2019.02.045
Autor:
Ricardo Q. Aucélio, Andrea R. da Silva, Carlos A.T. Toloza, Joseany M.S. Almeida, Bárbara S. Machado
Publikováno v:
Microchemical Journal. 145:187-195
Batch-injection analysis (BIA) with amperometric detection, using a boron-doped diamond (BDD) electrode, was developed for the determination of gentamicin sulfate (total components). System was operated at +2000 mV with acetate buffer (1.0 × 10−2
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5c30b504c0ab54571c14a83bc7371df2
https://doi.org/10.1016/j.microc.2018.10.041
https://doi.org/10.1016/j.microc.2018.10.041