HPLC-DAD-ESI/MS Identification of Light Harvesting and Light Screening Pigments in the Lake Sediments at Edmonson Point

The composition of sedimentary pigments in the Antarctic lake at Edmonson Point has been investigated and compared with the aim to provide a useful analytical method for pigments separation and identification, providing reference data for future assessment of possible changes in environmental condit...

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Veröffentlicht in:	TheScientificWorld 2013-01, Vol.2013 (2013), p.1-9
Hauptverfasser:	Petetta, Laura, Ferraro, Stefano, Zannotti, Marco, Alibabaei, Leila, Giovannetti, Rita
Format:	Artikel
Sprache:	eng
Schlagworte:	Algae Antarctic Regions Chromatography, High Pressure Liquid - methods Climate change Cyanobacteria Ecosystems Environmental changes Environmental conditions Environmental Monitoring - methods Geologic Sediments High-performance liquid chromatography Lake sediments Lakes Light Light-Harvesting Protein Complexes - analysis Liquid chromatography Mass spectrometry Mass spectroscopy Organisms Photometry - methods Pigments Pigments, Biological - analysis Sediments Spectrometry, Mass, Electrospray Ionization - methods Ultraviolet radiation Water analysis
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Zusammenfassung:	The composition of sedimentary pigments in the Antarctic lake at Edmonson Point has been investigated and compared with the aim to provide a useful analytical method for pigments separation and identification, providing reference data for future assessment of possible changes in environmental conditions. Reversed phase high performance liquid chromatography (HPLC) with electrospray-mass spectrometry (ESI-MS) detection and diode array detection (DAD) has been used to identify light screening and light harvesting pigments. The results are discussed in terms of local environmental conditions.
ISSN:	2356-6140 1537-744X
DOI:	10.1155/2013/741906