Characterization of a fluorescent sol–gel encapsulated erythrosin B dissolved oxygen sensor

Abstract A thin film dissolved oxygen sensor was fabricated by trapping erythrosin B in a sol–gel matrix. No phosphorescence was observed when the sensor was immersed in water. Very weak phosphorescence was observed when erythrosin B was dissolved in aqueous ethanol and acetone solutions. However, fluorescence at 590 nm, which was efficiently quenched by dissolved oxygen, was observed from the doped sol–gel sensor in water. A singlet oxygen feedback mechanism was proposed. Good sensitivity and stability were observed for this detector.

[1]  Marta Elena Díaz-García,et al.  Optical oxygen sensing materials based on the room-temperature phosphorescence intensity quenching of immobilized Erythrosin B , 1995 .

[2]  B. MacCraith,et al.  Tailoring of sol-gel films for optical sensing of oxygen in gas and aqueous phase. , 1998, Analytical chemistry.

[3]  P. Hartmann,et al.  Response characteristics of luminescent oxygen sensors , 1995 .

[4]  J. Sherwood,et al.  Assessment of optically nonlinear organic crystals , 1993 .

[5]  W. Seitz,et al.  Oxygen probe based on tetrakis(alkylamino)ethylene chemiluminescence , 1981 .

[6]  S. K. Lam,et al.  Time-resolved spectroscopic study of phosphorescence and delayed fluorescence of dyes in silica-gel glasses , 1997 .

[7]  Ichiro Okura,et al.  Porphyrin-doped sol-gel glass as a probe for oxygen sensing , 1997 .

[8]  N. Armstrong,et al.  Sol-gel-based, planar waveguide sensor for water vapor. , 1999, Analytical chemistry.

[9]  F. Cruickshank,et al.  Structural influence of tellurite glasses on fluorescence of thulium near 1.86 μm , 2001 .

[10]  Ingo Klimant,et al.  Optical Fiber Sensor for Biological Oxygen Demand , 1994 .

[11]  Colette McDonagh,et al.  Phase fluorometric dissolved oxygen sensor , 2001 .

[12]  T. Miyashita,et al.  Novel optical oxygen sensing material: platinum octaethylporphyrin immobilized in a copolymer film of isobutyl methacrylate and tetrafluoropropyl methacrylate , 2001 .

[13]  Andrew Mills,et al.  Response characteristics of optical sensors for oxygen: a model based on a distribution in τoand kq , 1999 .

[14]  F. R. Ribeiro,et al.  Effect of zeolite properties on ground-state and triplet-triplet absorption, prompt and oxygen induced delayed fluorescence of tetraphenylporphyrin at gas/solid interface. , 2000, Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy.

[15]  Colette McDonagh,et al.  Dissolved oxygen sensor based on fluorescence quenching of oxygen-sensitive ruthenium complexes immobilized in sol–gel-derived porous silica coatings , 1996 .

[16]  Ichiro Okura,et al.  Optical oxygen sensing based on the luminescence change of metalloporphyrins immobilized in styrene–pentafluorostyrene copolymer film , 2000 .

[17]  T. Feyerabend,et al.  Tumor oxygenation after radiotherapy, chemotherapy, and/or hyperthermia predicts tumor free survival. , 2001, International journal of radiation oncology, biology, physics.

[18]  S. K. Lam,et al.  Characterization of phosphorescence oxygen sensor based on erythrosin B in sol–gel silica in wide pressure and temperature ranges , 2001 .

[19]  E. Namdas,et al.  Effects of oxygen and temperature on phosphorescence and delayed fluorescence of erythrosin B trapped in sol–gel silica , 1998 .

[20]  Ingo Klimant,et al.  Oxygen-Sensitive Luminescent Materials Based on Silicone-Soluble Ruthenium Diimine Complexes , 1995 .

[21]  I. Okura,et al.  Optical Sensor for Oxygen Using a Porphyrin-doped Sol-Gel Glass , 1997 .

[22]  D. Lo,et al.  Fiber optic oxygen sensor based on phosphorescence quenching of erythrosin B trapped in silica-gel glasses , 2000 .

[23]  S. Costa,et al.  Kinetics of oxygen induced delayed fluorescence of eosin adsorbed on alumina. The dependence on dye and oxygen concentrations , 2000 .

[24]  Ichiro Okura,et al.  Photoluminescent determination of oxygen using metalloporphyrin-polymer sensing systems , 1998 .

[25]  J. Talling,et al.  Water analysis: Some revised methods for limnologists , 1978 .