Selective laser photolysis of organic molecules in complex matrices

Christophe Moulin; Alain Denis Petit

doi:10.1117/12.205022

3 March 1995 Selective laser photolysis of organic molecules in complex matrices

Christophe Moulin, Alain Denis Petit

Proceedings Volume 2374, Novel Applications of Lasers and Pulsed Power; (1995) https://doi.org/10.1117/12.205022
Event: Photonics West '95, 1995, San Jose, CA, United States

Abstract

Natural extracts or essences are largely used in several fields (farm- produce industry, cosmetic, perfumery, biochemistry, etc.). However, most of these complex extracts contain also toxic, carcinogenic or non desirable molecules. By using a laser directly tuned to an absorption band of the unwanted molecules, selective elimination is obtained. Advantages of this procedure are the rapidity, in situ reaction and the possibility to perform quantitative elimination. Examples such as the destruction of thujone in extract of Salvia, bergaptene in essence of Bergamote, phycocyanin in Porphyridium Cruentum or simply dye will be presented and discussed.

Citation Download Citation

Christophe Moulin and Alain Denis Petit "Selective laser photolysis of organic molecules in complex matrices", Proc. SPIE 2374, Novel Applications of Lasers and Pulsed Power, (3 March 1995); https://doi.org/10.1117/12.205022

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