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Synthesis, characterization and chemisorption on gold of a β-cyclodextrin–lipoic acid conjugate

✍ Scribed by Tommaso Carofiglio; Roberto Fornasier; Laszlo Jicsinszky; Umberto Tonellato; Chiara Turco

Publisher
Elsevier Science
Year
2001
Tongue
French
Weight
154 KB
Volume
42
Category
Article
ISSN
0040-4039

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✦ Synopsis

Mono-6-lipoyl-amido-2,3,6-O-permethyl-b-cyclodextrin, TMbCDLA, was synthesized in 79% isolated yield by coupling the mono-6-amino-permethyl-b-cyclodextrin with lipoic acid in the presence of 1-(3-dimethylamino)ethyl carbodiimide. The identity of cyclodextrin-lipoic acid conjugate was confirmed by NMR spectroscopy and electrospray mass spectrometry. Chemiadsorption of TMbCDLA on colloidal gold was shown to occur by colloid flocculation test analysis.

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