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Potentiometric Studies of Mixed Copper(II) Complexes with δ-Aminolevulinic Acid and Some Selected Peptides
Corresponding Author(s) : Salhah D. Al-Qahtani
Asian Journal of Chemistry,
Vol. 32 No. 5 (2020): Vol 32 Issue 5
Abstract
Ternary complex formation in the system Cu(II)-ALA-L (ALA = δ-aminolevulinic acid drug; L = peptides) has been studied by pH-potentiometrically at 25 ± 0.1 ºC with I = 0.10 mol L-1 NaCl. The stability constants of binary and ternary complexes were calculated and interpretated. The concentration distribution of the complexes in solution was graphically presented using the HySS program. In addition, the values of Δlog K, log X and relative stabilization percentage (% R.S.) for the mixed-ligand complexes studied have been evaluated and discussed.
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References
L.C. Gardener and T.M. Cox, J. Biol. Chem., 263, 6676 (1988).
D. Von Wettstein, S. Gough and C.G. Kannangara, Plant Cell., 7, 1039 (1995); https://doi.org/10.1105/tpc.7.7.1039
C.G. Hadjipanayis, G. Widhalm and W. Stummer, Neurosurgery, 77, 663 (2015); https://doi.org/10.1227/NEU.0000000000000929
I.Y. Eyüpoglu, M. Buchfelder and N.E. Savaskan, Nat. Rev. Neurol., 9, 141 (2013); https://doi.org/10.1038/nrneurol.2012.279
W. Stummer, U. Pichlmeier, T. Meinel, O.D. Wiestler, F. Zanella and H.J. Reulen, Lancet Oncol., 7, 392 (2006); https://doi.org/10.1016/S1470-2045(06)70665-9
I.Y. Eyüpoglu, N. Hore, N.E. Savaskan, P. Grummich, K. Roessler, M. Buchfelder and O. Ganslandt, PLoS ONE, 7, e44885 (2012); https://doi.org/10.1371/journal.pone.0044885
Y. Morokuma, M. Yamazaki, T. Maeda, I. Yoshino, M. Ishizuka, T. Tanaka, Y. Ito and R. Tsuboi, Int. J. Dermatol., 47, 1298 (2008); https://doi.org/10.1111/j.1365-4632.2008.03783.x
H.K. Pyo, H.G. Yoo, C.H. Won, S.H. Lee, Y.J. Kang, H.C. Eun, K.H. Cho and K.H. Kim, Arch. Pharm. Res., 30, 834 (2007); https://doi.org/10.1007/BF02978833
R. Singh, S. Tyagi, S. Singh, S.M. Singh and U.P. Singh, Synth. React. Inorg. Met.-Org. Chem., 32, 853 (2002); https://doi.org/10.1081/SIM-120005607
S. Singh and A.K. Ghose, J. Indian Chem. Soc., 73, 650 (1996).
P. Gans, A. Sabatini and A. Vacca, Talanta, 43, 1739 (1996); https://doi.org/10.1016/0039-9140(96)01958-3
L. Alderighi, P. Gans, A. Ienco, D. Peters, A. Sabatini and A. Vacca, Coord. Chem. Rev., 184, 311 (1999); https://doi.org/10.1016/S0010-8545(98)00260-4
Y. Ishihama, Y. Oda and N. Asakawa, J. Pharm. Sci., 83, 1500 (1994); https://doi.org/10.1002/jps.2600831025
M.L. Pires dos Santos, A. Faljoni-Alário, A.S. Mangrich and A.M. Costa Ferreira, J. Inorg. Biochem., 71, 71 (1998); https://doi.org/10.1016/S0162-0134(98)10034-X
K. Várnagy, B. Bóka, I. Sóvágó, D. Sanna, P. Marras and G. Micera, Inorg. Chim. Acta, 275-276, 440 (1998); https://doi.org/10.1016/S0020-1693(98)00079-6
H. Sigel, Angew. Chem. Int. Ed. Engl., 14, 394 (1975); https://doi.org/10.1002/anie.197503941
R. DeWitt and J.I. Watters, J. Am. Chem. Soc., 76, 3810 (1954); https://doi.org/10.1021/ja01643a066