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Effect of solvents on ratio of intensities of luminescence bands of terbium and dysprosium ions in solutions of complexes with acetoacetic ester

✍ Scribed by L. I. Kononenko; S. V. Bel'tyukova; S. B. Meshkova; T. B. Kravchenko; N. S. Poluéktov


Publisher
Springer US
Year
1978
Tongue
English
Weight
260 KB
Volume
28
Category
Article
ISSN
0021-9037

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✍ Agnese Magnani; Vera Silvestri; Rolando Barbucci 📂 Article 📅 1999 🏛 John Wiley and Sons 🌐 English ⚖ 155 KB 👁 2 views

The behaviour of hyaluronic acid (Hyal) and sulfated hyaluronic acid (HyalS) in aqueous solution was investigated in terms of protonation and complex formation by thermodynamic and spectroscopic techniques. The presence of the scarcely protonable sulfate groups in the polymer chain provided the Hyal