Literature DB >> 20497367

Fiber-optic singlet oxygen [1O2 (1Delta(g))] generator device serving as a point selective sterilizer.

David Aebisher1, Matibur Zamadar, Adaickapillai Mahendran, Goutam Ghosh, Catherine McEntee, Alexander Greer.   

Abstract

Traditionally, Type II heterogeneous photo-oxidations produce singlet oxygen via external irradiation of a sensitizer and external supply of ground-state oxygen. A potential improvement is reported here. A hollow-core fiber-optic device was developed with an "internal" supply of light and flowing oxygen, and a porous photosensitizer-end capped configuration. Singlet oxygen was delivered through the fiber tip. The singlet oxygen steady-state concentration in the immediate vicinity of the probe tip was ca 20 fm by N-benzoyl-DL-methionine trapping. The device is portable and the singlet oxygen-generating tip is maneuverable, which opened the door to simple disinfectant studies. Complete Escherichia coli inactivation was observed in 2 h when the singlet oxygen sensitizing probe tip was immersed in 0.1 mL aqueous samples of 0.1-4.4 x 10(7) cells. Photobleaching of the probe tip occurred after ca 12 h of use, requiring baking and sensitizer reloading steps for reuse.

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Year:  2010        PMID： 20497367      PMCID： PMC4845035          DOI： 10.1111/j.1751-1097.2010.00748.x

Source DB:  PubMed          Journal:  Photochem Photobiol        ISSN： 0031-8655            Impact factor:   3.421


  21 in total

1.  Mutation spectrum induced by singlet oxygen in Escherichia coli deficient in exonuclease III.

Authors:  L F Agnez-Lima; P Di Mascio; R L Napolitano; R P Fuchs; C F Menck
Journal:  Photochem Photobiol       Date:  1999-10       Impact factor: 3.421

2.  Zeolite-coated quartz fibers as media for photochemical and photophysical studies.

Authors:  Ajit R Pradhan; Sundararajan Uppili; J Shailaja; J Sivaguru; V Ramamurthy
Journal:  Chem Commun (Camb)       Date:  2002-03-21       Impact factor: 6.222

Review 3.  Fiber-optic chemical sensors and biosensors.

Authors:  Otto S Wolfbeis
Journal:  Anal Chem       Date:  2004-06-15       Impact factor: 6.986

4.  Photochemical attachment of biomolecules onto fibre-optics for construction of a chemiluminescent immunosensor.

Authors:  Boaz Leshem; Gadi Sarfati; Andres Novoa; Igor Breslav; Robert S Marks
Journal:  Luminescence       Date:  2004 Mar-Apr       Impact factor: 2.464

5.  Surface characteristics and adhesion of Escherichia coli and Staphylococcus epidermidis.

Authors:  P Gilbert; D J Evans; E Evans; I G Duguid; M R Brown
Journal:  J Appl Bacteriol       Date:  1991-07

6.  Optical fiber immunosensor based on a poly(pyrrole-benzophenone) film for the detection of antibodies to viral antigen.

Authors:  T Konry; A Novoa; Y Shemer-Avni; N Hanuka; S Cosnier; Arielle Lepellec; R S Marks
Journal:  Anal Chem       Date:  2005-03-15       Impact factor: 6.986

7.  The role of singlet oxygen and oxygen concentration in photodynamic inactivation of bacteria.

Authors:  Tim Maisch; Jürgen Baier; Barbara Franz; Max Maier; Michael Landthaler; Rolf-Markus Szeimies; Wolfgang Bäumler
Journal:  Proc Natl Acad Sci U S A       Date:  2007-04-12       Impact factor: 11.205

8.  Photochemical fate of pharmaceuticals in the environment: cimetidine and ranitidine.

Authors:  Douglas E Latch; Brian L Stender; Jennifer L Packer; William A Arnold; Kristopher McNeill
Journal:  Environ Sci Technol       Date:  2003-08-01       Impact factor: 9.028

9.  Pulsed diode laser-based singlet oxygen monitor for photodynamic therapy: in vivo studies of tumor-laden rats.

Authors:  Seonkyung Lee; Danthu H Vu; Michael F Hinds; Steven J Davis; Alvin Liang; Tayyaba Hasan
Journal:  J Biomed Opt       Date:  2008 Nov-Dec       Impact factor: 3.170

10.  Singlet oxygen chemistry in water. 2. Photoexcited sensitizer quenching by O2 at the water-porous glass interface.

Authors:  Jovan Giaimuccio; Matibur Zamadar; David Aebisher; Gerald J Meyer; Alexander Greer
Journal:  J Phys Chem B       Date:  2008-12-11       Impact factor: 2.991
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  7 in total

Review 1.  Photosensitization reactions in vitro and in vivo.

Authors:  Bonnie I Kruft; Alexander Greer
Journal:  Photochem Photobiol       Date:  2011-10-03       Impact factor: 3.421

2.  Generating singlet oxygen bubbles: a new mechanism for gas-liquid oxidations in water.

Authors:  Dorota Bartusik; David Aebisher; BiBi Ghafari; Alan M Lyons; Alexander Greer
Journal:  Langmuir       Date:  2012-01-20       Impact factor: 3.882

3.  Synthesis and Characterization of Ru(II) Complexes with π-Expansive Imidazophen Ligands for the Photokilling of Human Melanoma Cells.

Authors:  Goutam Ghosh; Huimin Yin; Susan M A Monro; Tariq Sainuddin; Lloyd Lapoot; Alexander Greer; Sherri A McFarland
Journal:  Photochem Photobiol       Date:  2020-01-09       Impact factor: 3.421

4.  Photosensitizer drug delivery via an optical fiber.

Authors:  Matibur Zamadar; Goutam Ghosh; Adaickapillai Mahendran; Mihaela Minnis; Bonnie I Kruft; Ashwini Ghogare; David Aebisher; Alexander Greer
Journal:  J Am Chem Soc       Date:  2011-05-03       Impact factor: 15.419

5.  Photodynamic Therapy-Adjunctive Therapy in the Treatment of Prostate Cancer.

Authors:  Michał Osuchowski; David Aebisher; Dorota Bartusik-Aebisher; Magdalena Krupka-Olek; Klaudia Dynarowicz; Maria Przygoda; Aleksandra Kawczyk-Krupka
Journal:  Diagnostics (Basel)       Date:  2022-04-28

6.  A fiberoptic (photodynamic therapy type) device with a photosensitizer and singlet oxygen delivery probe tip for ovarian cancer cell killing.

Authors:  Dorota Bartusik; David Aebisher; Ashwini Ghogare; Goutam Ghosh; Inna Abramova; Tayyaba Hasan; Alexander Greer
Journal:  Photochem Photobiol       Date:  2013-04-22       Impact factor: 3.421

7.  Bacterial inactivation by a singlet oxygen bubbler: identifying factors controlling the toxicity of (1)O2 bubbles.

Authors:  Dorota Bartusik; David Aebisher; Alan M Lyons; Alexander Greer
Journal:  Environ Sci Technol       Date:  2012-10-26       Impact factor: 9.028
  7 in total

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