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Use of Minetic Membrane Systems in Photosynthesis Studies: Different Aggregation and Hydration forms Of Chl-a in Reverse Micelles


Affiliations
1 Dipartimento di Chimica, Universita di Bari Via Amendola 173, 70126 Bari, Italy
     

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Different hydration and aggregation forms of Chl-a were introduced in reverse micelles simply by injecting a solution of Chl-a in a polar solvent in AOT-isooctane.

When the injected Chl-a was dissolved in 50:50 (V:V) water/acetone mixtures, the spectra maintained the same characteristics of that in the original solvents only if AOT was present at a concentration higher than 0.05 M.

A coefficient for the Chl-a partition between the dispersed microemulsions and the continuous solvent was determined.


Keywords

Reverse Micelle, Injection, Chlorophyll-a Aggregation, Binary Solvent.
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  • Use of Minetic Membrane Systems in Photosynthesis Studies: Different Aggregation and Hydration forms Of Chl-a in Reverse Micelles

Abstract Views: 216  |  PDF Views: 2

Authors

A. Agostiano
Dipartimento di Chimica, Universita di Bari Via Amendola 173, 70126 Bari, Italy
M. Caselli
Dipartimento di Chimica, Universita di Bari Via Amendola 173, 70126 Bari, Italy
M. Della Monica
Dipartimento di Chimica, Universita di Bari Via Amendola 173, 70126 Bari, Italy

Abstract


Different hydration and aggregation forms of Chl-a were introduced in reverse micelles simply by injecting a solution of Chl-a in a polar solvent in AOT-isooctane.

When the injected Chl-a was dissolved in 50:50 (V:V) water/acetone mixtures, the spectra maintained the same characteristics of that in the original solvents only if AOT was present at a concentration higher than 0.05 M.

A coefficient for the Chl-a partition between the dispersed microemulsions and the continuous solvent was determined.


Keywords


Reverse Micelle, Injection, Chlorophyll-a Aggregation, Binary Solvent.