2009
DOI: 10.1016/j.trac.2008.10.005
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Flow-based luminescence-sensing methods for environmental water analysis

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Cited by 51 publications
(33 citation statements)
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“…Accordingly, many methods have been utilized to investigate this hot topic, such as fluorescence spectroscopy [12], resonance light scattering [13], circular dichroism [14], nuclear magnetic resonance spectroscopy [15], and chemiluminescence (CL) with flow injection (FI) technique [16]. The FI-CL analysis has proven to be a very useful analytical method with advantages of simple apparatus, high sensitivity, wide dynamic ranges, reproducibility, automatability, less reagent consumption [17][18][19], and so forth.…”
Section: Introductionmentioning
confidence: 99%
“…Accordingly, many methods have been utilized to investigate this hot topic, such as fluorescence spectroscopy [12], resonance light scattering [13], circular dichroism [14], nuclear magnetic resonance spectroscopy [15], and chemiluminescence (CL) with flow injection (FI) technique [16]. The FI-CL analysis has proven to be a very useful analytical method with advantages of simple apparatus, high sensitivity, wide dynamic ranges, reproducibility, automatability, less reagent consumption [17][18][19], and so forth.…”
Section: Introductionmentioning
confidence: 99%
“…This methodology has gained widespread use due to its immense potential for routine analysis and its high reproducibility (which makes flow injection (FI) methods reliable for use in intercomparison studies). Its great versatility has made possible its successful coupling with a variety of detection systems such as atomic spectroscopy (Anthemidis 2009), UV spectrophotometry (Tzanavaras 2007), fluorescence (Wang 2009), electrochemistry (Blasco 2007) and chemiluminescence (Wang 2009), as well as with separation methods such as electrophoresis (Lu 2009) or HPLC (González San Miguel 2009). Environmental safety is another attribute of this methodology.…”
Section: Introductionmentioning
confidence: 99%
“…As a consequence of its inherent miniaturization, a considerable decrease in reagents consumption and waste disposal is achieved; moreover, the closed-system chemistry prevents operator coming into contact with hazardous chemicals. Simplicity, low cost and rapidity are other outstanding features that have been made possible the application of FI methods to environmental analysis (Wang 2009) (Xu 2005) (Miró 2004).…”
Section: Introductionmentioning
confidence: 99%
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“…A maioria destes sensores utiliza moléculas de porfirinas com propriedades fotoluminescentes de complexos metálicos de transição, imobilizados em matrizes quimicamente resistentes de sol-gel, polimérica ou silício poroso (EBELING et al, 2009;WANG et al, 2009 1995; ZAHARIEV; MILANOVA; TODOROVSKY, 2011), rênio (SACKSTEDER et al, 1993, ósmio (MCLAURIN et al, 2009) e irídio (DI MARCO et al, 1998; WANG et al, 2013), além das metaloporfirinas de platina (AMAO; MIYASHITA; OKURA, 2001; EATON; DOUGLAS, 2002;OKURA, 1998; ZHANG et al, 2016) Dentre os compostos, a Octaetilporfirina de Platina (PtOEP) se destaca pelo elevado rendimento quântico de emissão, quando em filme de estado sólido, e por apresentar maior intensidade de emissão na região visível do espectro, característica desejada em sistemas de detecção portátil, com uso de dispositivos optoeletrônicos. A relação entre o tempo de vida, , e o ângulo de fase, , para um decaimento exponencial simples é dada pela Equação 3 : Os resultados mostraram alta seletividade da molécula de PtOEP para a detecção de oxigênio, compatíveis com a emissão fotoluminescente em 644 nm.…”
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