Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Cristina I.C. Silvestre"'
Publikováno v:
Analytica Chimica Acta. 699:193-197
A novel flow method for the determination of chemical oxygen demand (COD) is proposed in this work. It relies on the combination of a fully automated single interface flow system, an on-line UV photocatalytic unit and quantum dot (QD) nanotechnology.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c5024cb7ceb701a98462f3ade327c7f5
https://doi.org/10.1016/j.aca.2011.05.018
https://doi.org/10.1016/j.aca.2011.05.018
Autor:
João L.M. Santos, Cristina I.C. Silvestre, Elias A.G. Zagatto, Christian Frigerio, José L. F. C. Lima, Paula R. Fortes
Publikováno v:
Talanta. 84:1314-1317
A fully automated multipumping flow system (MPFS) using water-soluble CdTe quantum dots (QD) as sensitizers is proposed for the chemiluminometric determination of the anti-diabetic drugs gliclazide and glipizide in pharmaceutical formulations. The na
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5bd863a1ceb63e347f98854f3d143c0b
https://doi.org/10.1016/j.talanta.2011.02.041
https://doi.org/10.1016/j.talanta.2011.02.041
Autor:
José L. F. C. Lima, Paula C.A.G. Pinto, M. Lúcia M.F.S. Saraiva, Cristina I.C. Silvestre, Marcela A. Segundo
Publikováno v:
Analytica Chimica Acta. 689:160-177
Sequential injection analysis systems have been extensively exploited in the last decades for the implementation of enzyme based assays aiming the evaluation of enzyme activity or the determination of specific analytes. The most prominent aspects of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::552b720e5500b9ef47eebe9174bb1a8b
https://doi.org/10.1016/j.aca.2011.01.048
https://doi.org/10.1016/j.aca.2011.01.048
Autor:
João L.M. Santos, Elias A.G. Zagatto, S.N. Rodrigues, José L. F. C. Lima, Cristina I.C. Silvestre
Publikováno v:
Talanta. 81:1847-1851
The exploitation of aqueous biphasic extraction is proposed for the first time in flow analysis. This extraction strategy stands out for being environmentally attractive since it is based in the utilization of two immiscible phases that are intrinsic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8f41a2f7c41f801861c5f2940defc9e0
https://doi.org/10.1016/j.talanta.2010.03.050
https://doi.org/10.1016/j.talanta.2010.03.050
Autor:
Elias A.G. Zagatto, José L. F. C. Lima, Mário A. Feres, Cristina I.C. Silvestre, João L.M. Santos
Publikováno v:
Microchemical Journal. 94:60-64
Single interface flow systems (SIFA) present some noteworthy advantages when compared to other flow systems, such as a simpler configuration, a more straightforward operation and control and an undemanding optimisation routine. Moreover, the plain re
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::74bb63e529d4773ba14ba714afccc3ff
https://doi.org/10.1016/j.microc.2009.09.002
https://doi.org/10.1016/j.microc.2009.09.002
Publikováno v:
Spectroscopy Letters. 42:341-350
Two automatic sequential injection analysis methodologies were developed for the enzymatic determination of allopurinol in pharmaceutical formulations. Both methodologies were based on the inhibition by allopurinol of the reaction catalysed by xanthi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b3a14e690cb1d0e47c3240785186a31e
https://doi.org/10.1080/00387010903185538
https://doi.org/10.1080/00387010903185538
Publikováno v:
Talanta. 77:518-521
A single reaction interface flow analysis (SIFA) system for the monitoring of mannitol in pharmaceutical formulations and human urine is presented. The developed approach takes advantage of the mannitol scavenger aptitude to inhibit the chemiluminesc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ce546d8640d2bbdb6cb8eb57ec7f77e6
https://doi.org/10.1016/j.talanta.2008.03.021
https://doi.org/10.1016/j.talanta.2008.03.021
Publikováno v:
Analytica chimica acta. 652(1-2)
Liquid-liquid extractions (LLE) are a common sample pre-treatment in many analytical applications. This review aims at providing a critical overview of the distinct automated continuous flow-based approaches that were developed for liquid-liquid extr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c9f52429a6570a6b8d4af39266c6fa3a
https://pubmed.ncbi.nlm.nih.gov/19786170
https://pubmed.ncbi.nlm.nih.gov/19786170
Publikováno v:
Talanta. 79(4)
A fully automated methodology was developed for the determination of the thyroid hormones levothyroxine (T4) and liothyronine (T3). The proposed method exploits the formation of highly coloured charge-transfer (CT) complexes between these compounds,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9619c61eb43fc22136e5775bf639611d
https://pubmed.ncbi.nlm.nih.gov/19615528
https://pubmed.ncbi.nlm.nih.gov/19615528