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maenas (intertidal zone) and Segonzacia mesatlantica - Station ...

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122 CHAPITRE 3. STRUCTURE DE L’HC DE C. MAENAS PAR ESI-MS<br />

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FIG. 3.6 – Acidic reassociation of Carcinus <strong>maenas</strong> hemocyanin by lactic acid. Left part, first spectrum,<br />

mass spectrum of a whole hemolymph sample dissociated in 10 mM AcNH4, 0.03 % TEA.<br />

Second <strong>and</strong> third mass spectra, mass spectra of the dissociated hemocyanin treated with 2mM lactic<br />

acid <strong>and</strong> with or without addition of a further 0.04 % TEA (pH 8.58 <strong>and</strong> 5.89, respectively). m, monomers<br />

peaks, h, hexamer peaks (450 kDa), d, dodecamer peaks (900 kDa), dl, light dodecamer peaks<br />

(885 kDa). Right part, focus for each mass spectrum on the monomer peaks m/z range.

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