Free-standing microcrystals of a fluorescent organic dye: Preparation and spectroscopic study
Suspensions of microcrystals were obtained from an organic fluorescent dye, 4-n-octylamino-7-nitrobenz-2-oxa-1,3-diazole, by reprecipitation in water in the presence of various macromolecules: anionic or cationic PAMAM dendrimer, poly(acrylic acid, sodium salt), poly(acrylamide), and calf thymus DNA...
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| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Wiley
2006-01-01
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| Series: | International Journal of Photoenergy |
| Online Access: | http://dx.doi.org/10.1155/IJP/2006/30937 |
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| _version_ | 1832555518085824512 |
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| author | Mouhammad Abyan Liliana Bîrlă Franck Bertorelle Fernanda Rodrigues Suzanne Fery-Forgues |
| author_facet | Mouhammad Abyan Liliana Bîrlă Franck Bertorelle Fernanda Rodrigues Suzanne Fery-Forgues |
| author_sort | Mouhammad Abyan |
| collection | DOAJ |
| description | Suspensions of microcrystals were obtained from an organic
fluorescent dye, 4-n-octylamino-7-nitrobenz-2-oxa-1,3-diazole,
by reprecipitation in water in the presence of various
macromolecules: anionic or cationic PAMAM dendrimer, poly(acrylic
acid, sodium salt), poly(acrylamide), and calf thymus DNA. The use
of these additives allowed the size and shape of the microcrystals
to be controlled. A study by UV/vis absorption and fluorescence
spectroscopy revealed some common points, but also some
interesting differences, in the optical behaviour of the five
samples. |
| format | Article |
| id | doaj-art-2926dc4a13294245a75cd95ba5256464 |
| institution | Kabale University |
| issn | 1110-662X 1687-529X |
| language | English |
| publishDate | 2006-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | International Journal of Photoenergy |
| spelling | doaj-art-2926dc4a13294245a75cd95ba52564642025-02-03T05:47:59ZengWileyInternational Journal of Photoenergy1110-662X1687-529X2006-01-01200610.1155/IJP/2006/3093730937Free-standing microcrystals of a fluorescent organic dye: Preparation and spectroscopic studyMouhammad Abyan0Liliana Bîrlă1Franck Bertorelle2Fernanda Rodrigues3Suzanne Fery-Forgues4Laboratoire des Interactions Moléculaires Réactivité Chimique et Photochimique, UMR CNRS 5623, Université Paul Sabatier, Toulouse Cedex 9 31062, FranceLaboratoire des Interactions Moléculaires Réactivité Chimique et Photochimique, UMR CNRS 5623, Université Paul Sabatier, Toulouse Cedex 9 31062, FranceLaboratoire des Interactions Moléculaires Réactivité Chimique et Photochimique, UMR CNRS 5623, Université Paul Sabatier, Toulouse Cedex 9 31062, FranceLaboratoire des Interactions Moléculaires Réactivité Chimique et Photochimique, UMR CNRS 5623, Université Paul Sabatier, Toulouse Cedex 9 31062, FranceLaboratoire des Interactions Moléculaires Réactivité Chimique et Photochimique, UMR CNRS 5623, Université Paul Sabatier, Toulouse Cedex 9 31062, FranceSuspensions of microcrystals were obtained from an organic fluorescent dye, 4-n-octylamino-7-nitrobenz-2-oxa-1,3-diazole, by reprecipitation in water in the presence of various macromolecules: anionic or cationic PAMAM dendrimer, poly(acrylic acid, sodium salt), poly(acrylamide), and calf thymus DNA. The use of these additives allowed the size and shape of the microcrystals to be controlled. A study by UV/vis absorption and fluorescence spectroscopy revealed some common points, but also some interesting differences, in the optical behaviour of the five samples.http://dx.doi.org/10.1155/IJP/2006/30937 |
| spellingShingle | Mouhammad Abyan Liliana Bîrlă Franck Bertorelle Fernanda Rodrigues Suzanne Fery-Forgues Free-standing microcrystals of a fluorescent organic dye: Preparation and spectroscopic study International Journal of Photoenergy |
| title | Free-standing microcrystals of a fluorescent organic dye: Preparation and spectroscopic study |
| title_full | Free-standing microcrystals of a fluorescent organic dye: Preparation and spectroscopic study |
| title_fullStr | Free-standing microcrystals of a fluorescent organic dye: Preparation and spectroscopic study |
| title_full_unstemmed | Free-standing microcrystals of a fluorescent organic dye: Preparation and spectroscopic study |
| title_short | Free-standing microcrystals of a fluorescent organic dye: Preparation and spectroscopic study |
| title_sort | free standing microcrystals of a fluorescent organic dye preparation and spectroscopic study |
| url | http://dx.doi.org/10.1155/IJP/2006/30937 |
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