Title Krafft temperature and enthalpy of solution of N-acyl amino acid ...
Title Krafft temperature and enthalpy of solution of N-acyl amino acid ... Title Krafft temperature and enthalpy of solution of N-acyl amino acid ...
2 1.5 Heat flow / mW 1 0.5 DL-Leu L-Leu DL-Val L-Phe L-Val DL-Phe L-Ala DL-Ala 0 280 290 300 310 T / K 320 330 340 Fig. 3 Thermograms of the 10mM of the aqueous solutions of Na C16-amino acid salt. (solid line) L-form, (dotted line) DL-form. Gly
I / I 0 1.12 1.1 1.08 1.06 1.04 1.02 1 0.98 0.96 0 0.005 0.01 0.015 0.02 0.025 C / mM Fig. 4 Dependence of a fluorescence intensity ratio (I/I 0 ) on concentration for several amino acid surfactants in aqueous 1mM NaOH and 0.4M NaCl. (1) C16-Val at 308.15 K, (2) C16-Leu at 308.15 K, (3) C16-Ile at 308.15 K, (4) C16-Ala at 318.15 K. 4 3 2 1
- Page 2 and 3: 1 Colloid Polymer Sci. 2002 in pres
- Page 4 and 5: increases with increasing concentra
- Page 6 and 7: mM. After the samples reached equil
- Page 8 and 9: similar result to those obtained fr
- Page 10 and 11: the DL-forms of C16-Val, -Leu, and
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- Page 16 and 17: H 3C C H 2 O 14 N H R O OH amino ac
- Page 20 and 21: cmc / mM 0.025 0.02 0.015 0.01 3 2
I / I 0<br />
1.12<br />
1.1<br />
1.08<br />
1.06<br />
1.04<br />
1.02<br />
1<br />
0.98<br />
0.96<br />
0 0.005 0.01 0.015 0.02 0.025<br />
C<br />
/ mM<br />
Fig. 4 Dependence <strong>of</strong> a fluorescence intensity ratio (I/I 0 ) on concentration for several <strong>amino</strong> <strong>acid</strong><br />
surfactants in aqueous 1mM NaOH <strong>and</strong> 0.4M NaCl. (1) C16-Val at 308.15 K, (2) C16-Leu at 308.15 K,<br />
(3) C16-Ile at 308.15 K, (4) C16-Ala at 318.15 K.<br />
4<br />
3<br />
2<br />
1