Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Ana C. B. Dias"'
Autor:
Ana C. B. Dias, Marta F. T. Ribeiro, João L.M. Santos, José L. F. C. Lima, Elias E.A. Zagatto
Publikováno v:
Analytica Chimica Acta. 600:21-28
Nowadays, the trend towards more compact, smarter and simpler devices is generally recognized as one of the most challenging aspects in the development of analytical instrumentation. Modern flow-based procedures do not escape this tendency. The level
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::24ae5fd792816fca6ff3d0cd15ef9b16
https://doi.org/10.1016/j.aca.2007.01.029
https://doi.org/10.1016/j.aca.2007.01.029
Autor:
Elias A.G. Zagatto, Eduarda Fernandes, Marta F. T. Ribeiro, Ana C. B. Dias, José L. F. C. Lima, João L.M. Santos
Publikováno v:
SLAS Discovery. 12:875-880
Peroxynitrite anion is a reactive nitrogen species formed in vivo by the rapid, controlled diffusion reaction between nitric oxide and superoxide radicals. By reacting with several biological molecules, peroxynitrite may cause important cellular and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::503e2249402a73e116d31d554fab8e8f
https://doi.org/10.1177/1087057107305402
https://doi.org/10.1177/1087057107305402
Autor:
Angelo Marcos Vieira Lima, Ana C. B. Dias, Cristina M. Quintella, Elias A.G. Zagatto, José L. F. C. Lima, Joâo L. M. Santos
Publikováno v:
Analytical and Bioanalytical Chemistry. 388:1303-1310
Multipumping (MPFS) and multicommuted (MCFS) flow systems relying on pulsed and laminar flows were critically compared. The mixing conditions and dispersion associated with both systems were evaluated by simulating the sample with bromocresol green.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::426b82d5455e439eb9fe6e922079034b
https://doi.org/10.1007/s00216-007-1304-1
https://doi.org/10.1007/s00216-007-1304-1
Autor:
Ana C. B. Dias, José L. F. C. Lima, Marta F. T. Ribeiro, Elias A.G. Zagatto, João L.M. Santos
Publikováno v:
Spectroscopy Letters. 40:41-50
Multipumping flow systems (MPFSs) are one of the most recent developments in terms of flow‐based analytical methodologies. They differ from conventional flow‐based modalities such as flow injection analysis (FIA) and sequential injection analysis
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::499da05708aee37e65f3f45f2ba9c75e
https://doi.org/10.1080/00387010601093455
https://doi.org/10.1080/00387010601093455
Autor:
José L. F. C. Lima, João L.M. Santos, Ana C. B. Dias, Elias A.G. Zagatto, Marta F. T. Ribeiro
Publikováno v:
Analytical Letters. 39:2243-2253
A fully automated kinetic method for the spectrophotometric determination of buspirone in pharmaceutical preparations is proposed. The analytical system was implemented by using multiple solenoid micropumps for sample and reagents insertion, which le
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::795090436fa3108251240348977618c3
https://doi.org/10.1080/00032710600755348
https://doi.org/10.1080/00032710600755348
Publikováno v:
Talanta. 68:1076-1082
The Schlieren effect is a consequence of light inflexions altering the spectrophotometric measurements that are due to the formation of optical artefacts such as mirror and lenses inside the flowing sample. It may influence signal-to-noise ratio, sam
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2672a66fe5d7a0cf26263c3afd817430
https://doi.org/10.1016/j.talanta.2005.06.071
https://doi.org/10.1016/j.talanta.2005.06.071
Autor:
José L. F. C. Lima, Ana C. B. Dias, João L.M. Santos, Josiane Meire Toloti Carneiro, Elias A.G. Zagatto
Publikováno v:
Analytica Chimica Acta. 531:279-284
A novel sampling approach in flow analysis exploiting the multi-pumping concept is proposed and applied to the spectrophotometric determination of glucose and fructose in invert sugar syrups. The samples are collected in gelatin capsules and brought
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b5da86db4d14d0d4fa27f1d4ce9f7d6b
https://doi.org/10.1016/j.aca.2004.10.038
https://doi.org/10.1016/j.aca.2004.10.038
Publikováno v:
Analytica Chimica Acta. 514:253-257
A sequential injection system with spectrophotometric detection was proposed for the determination of copper, zinc and lead in brass. In view of the high analyte concentrations and the sensitivity of the involved catalytic methods, optimization of th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::10d3a31d8ba2116eb8769cf08e7f0baa
https://doi.org/10.1016/j.aca.2004.03.054
https://doi.org/10.1016/j.aca.2004.03.054
Publikováno v:
Analytica Chimica Acta. 499:107-113
A novel flow-based procedure involving the multi-pumping approach was developed for the spectrophotometric determination of bromhexine in pharmaceutical preparations. The method is based on reaction with 3-methyl-2-benzothiazolinone hydrazone (MBTH)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3594e981bbb02c40e9b23195868e9d23
https://doi.org/10.1016/s0003-2670(03)00886-9
https://doi.org/10.1016/s0003-2670(03)00886-9
Publikováno v:
Analytica Chimica Acta. 455:327-333
A flow-batch system was developed for the determination of Fe(III) in estuarine waters with high variability in salinity. The method is based on the catalytic effect of iron(III) on the oxidation rate of N , N -dimethyl- p -phenylenediammonium dichlo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3f341bad925e967b97030920b02f2296
https://doi.org/10.1016/s0003-2670(01)01611-7
https://doi.org/10.1016/s0003-2670(01)01611-7