Toward Detection of Harmful Algae Blooms by in situ Surface Plasmon Resonance Spectroscopy

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Date

February, 2009

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Organization

Ifremer

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2009 IEEE – All Rights Reserved , info:eu-repo/semantics/openAccess , restricted use


Keywords

PCR Algal detection In situ Spectroscopy Surface plasmon resonance


Cite this document

Sebastien Laurent et al., « Toward Detection of Harmful Algae Blooms by in situ Surface Plasmon Resonance Spectroscopy », Archimer, archive institutionnelle de l'Ifremer, ID : 10.1109/SAS.2009.4801771


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Abstract 0

Among marine algae species, Alexandrium minutum produces a phycotoxin called paralytic shellfish poisoning (PSP) that is introduced in the food chain through the ingestion of phytoplankton by shellfishs, and later by human consumers. Thus, in situ monitoring of A. minutum proliferation in coastal seawater is of great economical importance for marine resources exploitation. Here, we propose a rapid test for the detection of A. minutum by surface plasmon resonance spectroscopy. First, whole genomic DNA is extracted from the algae. Second, a 677 bp long portion of the 28S ribosomal DNA is amplified by PCR. Third, the PCR product is detected by surface plasmon resonance spectroscopy onto a DNA functionalized gold substrate.

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