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A model to estimate stability constants of amino acid chelates with Cu(II) and Ni(II) at different ionic strengths


Miličević, Ante; Raos, Nenad
A model to estimate stability constants of amino acid chelates with Cu(II) and Ni(II) at different ionic strengths // Journal of molecular liquids, 165 (2012), 139-142 doi:10.1016/j.molliq.2011.11.00 (međunarodna recenzija, članak, znanstveni)


Naslov
A model to estimate stability constants of amino acid chelates with Cu(II) and Ni(II) at different ionic strengths

Autori
Miličević, Ante ; Raos, Nenad

Izvornik
Journal of molecular liquids (0167-7322) 165 (2012); 139-142

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Specific ion interaction theory (SIT); topological indices; regression models

Sažetak
The equation for the simultaneous prediction of stability constants at various ionic strengths for copper(II) and nickel(II) mono-complexes with α-amino acids was developed. It is based on valence connectivity index of the 3rd order (3χv) and specific ion interaction theory (SIT). The equation was tested on two sets of data. The first set consisted of 31 log K1 values for copper(II) complexes with four α-amino acids (glycine, alanine, valine and leucine) measured at I=0–2 mol dm−3. The second set encompassed 24 log K1 values for nickel(II) complexes with seven α-amino acids (glycine, alanine, valine, leucine, 2-aminobutanoic, 2-aminopentanoic and 2-aminohexanoic acid) measured at I=0–1 mol dm−3. Both sets yielded fair agreement with the experiment, with the standard error of estimate 0.09 and 0.10, for the first and the second set, respectively. Moreover, only two log K1 values in each set were reproduced with an absolute error >0.2.

Izvorni jezik
Engleski

Znanstvena područja
Kemija



POVEZANOST RADA


Projekt / tema
022-1770495-2901 - Razvoj modela za procjenu vrijednosti konstanti stabilnosti (Nenad Raos, )

Ustanove
Institut za medicinska istraživanja i medicinu rada, Zagreb

Profili:

Avatar Url Nenad Raos (autor)

Avatar Url Ante Miličević (autor)

Citiraj ovu publikaciju

Miličević, Ante; Raos, Nenad
A model to estimate stability constants of amino acid chelates with Cu(II) and Ni(II) at different ionic strengths // Journal of molecular liquids, 165 (2012), 139-142 doi:10.1016/j.molliq.2011.11.00 (međunarodna recenzija, članak, znanstveni)
Miličević, A. & Raos, N. (2012) A model to estimate stability constants of amino acid chelates with Cu(II) and Ni(II) at different ionic strengths. Journal of molecular liquids, 165, 139-142 doi:10.1016/j.molliq.2011.11.00.
@article{article, year = {2012}, pages = {139-142}, DOI = {10.1016/j.molliq.2011.11.00}, keywords = {Specific ion interaction theory (SIT), topological indices, regression models}, journal = {Journal of molecular liquids}, doi = {10.1016/j.molliq.2011.11.00}, volume = {165}, issn = {0167-7322}, title = {A model to estimate stability constants of amino acid chelates with Cu(II) and Ni(II) at different ionic strengths}, keyword = {Specific ion interaction theory (SIT), topological indices, regression models} }

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus


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