Spectrophotometric evaluation of stability constants of 1:1 weak complexes from continuous variation data

International Journal of Pharmaceutics

Volumn 321, Issue 1-2, 2006, Pages 94-100

  Sayago, Ana ^a   Asuero, Agustin G ^a  

^a UNIVERSITY OF SEVILLE   (Spain)

Author keywords

Continuous variation; Spectrophotometry; Stability constants; Weak complexes

Indexed keywords

ARTICLE; ERROR; MEASUREMENT; PRIORITY JOURNAL; REGRESSION ANALYSIS; SPECTROPHOTOMETRY;

DRUG STABILITY; MATHEMATICS; SPECTROPHOTOMETRY;

EID: 33747360446     PISSN: 03785173     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.ijpharm.2006.05.028     Document Type: Article

References (51)

1. Adsul J.S., and Ramanathan P.S. Some new approaches to the derivation of the molar absorptivity and formation constant of a complex from continuous variation data. Anal. Chim. Acta 101 (1978) 157-167
2. Asuero A.G. A bilogarithmic method for the evaluation of acidity constants of amphoteric substances from solubility measurements. Int. J. Pharm. 52 (1989) 129-137
3. Asuero A.G. Evaluation of acidity constants of dibasic acids and diacid bases from liquid-liquid distribution measurements. Int. J. Pharm. 89 (1993) 103-110
4. Asuero A.G. A bilogarithmic method for the evaluation of distribution constant (partition coefficient) and acidity constants of amphoteric substances from liquid-liquid distribution measurements. Anal. Lett. 25 (1992) 1157-1170
5. Asuero A.G., and González A.G. Some observations on fitting a straight line to data. Microchem. J. 40 (1989) 216-225
6. Asuero A.G., González G.G., de Pablos F., and Gómez-Ariza J.L. Determination of the optimum working range in spectrophotometric procedures. Talanta 35 (1988) 531-537
7. Asuero A.G., Sayago A., and Gonzalez A. The correlation coefficient: an overview. Crit. Rev. Anal. Chem. 36 (2006) 1-19
8. Beck M.T., and Nagypal I. Chemistry of Complex Equilibria (1990), Ellis Horwood, Chichester
9. 119Sn NMR studies of their chloride and bromide binding properties in solution. J. Org. Chem. 54 (1989) 4626-4636
10. Boccio M., Sayago A., and Asuero A.G. Spectrophotometric evaluation of stability constants of 1:1 weak complexes from mole ratio data. Int. J. Pharm. 318 (2006) 70-77
11. Brewer S. Solving Problems in Analytical Chemistry (1980), Wiley, New York
12. Bruneau E., Lavabre D., Levy G., and Micheau J.C. Quantitative analysis of continuous-variation plots with a comparison of several methods. Spectrophotometric study of organic and inorganic 1:1 stoichiometry complexes. J. Chem. Educ. 69 (1992) 833-837
13. Connors K.A. Binding Constants, The Measurement of Molecular Complex Stability (1987), Wiley, New York
14. de Fontaine D.L., Ross D.K., and Ternal B. Two improved methods for the deternination of association constants and thermodinamic parameters. The interaction of adenosine 5′-monophosphate and tryptophan. J. Phys. Chem. 81 (1977) 792-798
15. de Maine P.A.D. Digital Computer Programs for Physical Chemistry vol. II (1965), MacMillan, New York pp. 232-236
16. Denison R.B. Liquid mixtures. I. Property-composition curves and the molecular changes with take place on forming binary liquid mixtures. Trans. Faraday Soc. 8 (1912) 20-34
17. Draper N., and Smith H. Applied Regression Analysis. second ed. (1981), Wiley, New York
18. Ebert K., Ederer H., and Isenhour T.L. Computer Applications in Chemistry. An Introduction to PC Users (1989), VCH, New York
19. Exner O. How to get wrong results from good experimental data: a survey of incorrect applications of regression. J. Phys. Org. Chem. 10 (1997) 797-813
20. Facchiano A., and Ragone R. Modification of Job's method for determining the stoichiometry of protein-protein complexes. Anal. Biochem. 313 (2003) 170-172
21. Fuchs H., and Gessner R. The result of equilibrium-constant calculations strongly depends on the evaluation method used and on the type of experimental errors. Biochem. J. 359 (2001) 411-418
22. Gort S.M., and Hoogerbrugge R. A user-friendly spreadsheet program for calibration using weigthed regression. Chem. Intell. Lab. Syst. 28 (1995) 193-199
23. Gill V.M.S., and Olivera N.C. On the use of the method of continuous variations. J. Chem. Educ. 67 (1990) 473-478
24. Harris D.C. Quantitative Chemical Analysis. fourth ed. (1995), W.H. Freeman and Co., New York
25. Havel J., Rabova D., and Sommer L. Computer applications in chemistry. The effect of simultaneous and side reactions on the spectrophotometric curves of continuous variations. Scripta Fac. Sci. Nat. Ujep Brunensis, Chemia 3 7 (1977) 101-130
26. Heller J., and Schwarzenbach G. Metallindikatoren. IV. Die aciditätskonstanten und die Eisenkomplexe der Chromotropsäure. Helv. Chim. Acta 34 (1951) 1876-1888
27. Herrador, M.A., 1985. Estudio de la metilglioxal bis(4-fenil-3-tiosemicarbazona) como reactivo analítico. Determinación espectrofotométrica de indio y zinc. Ph.D. Thesis. University of Seville.
28. Homer J., and Perry M.C. Molecular complexes, part 18. A nuclear magnetic resonance adaptation of the continuous variation (Job) method of stoicheiometry determination. J. Chem. Soc., Faraday Trans. 82 (1986) 533-543
29. Huang C.Y. Determination of binding stoichiometry by the continuous variation method: the Job plot. Meth. Enzymol. 87 (1982) 509-525
30. Huang C.Y., Zhou R., Yang D.C.H., and Chock P.B. Application of the continuous variation method to cooperative interactions: mechanism of Fe(II)-ferrozine chelation and conditions leading to anomalous binding ratios. Biophys. Chem. 100 (2003) 143-149
31. Job P. Recherches sur la formation de complexes mineraux en solution et sur leur stabilité. Ann. Chim. (Paris) 9 (1928) 113-203
32. Klausen K.S., and Langmuir F.J. The use of the method of continuous variation for the classification of complexes with mole ratio 1:1. Anal. Chim. Acta 28 (1963) 335-340
33. Klausen K.S., and Langmuir F.J. On the form of the curves of continuous variation. Anal. Chim. Acta 40 (1968) 167-169
34. Li L., Seddon A.P., and Meister A. Interaction of the protein components of 5-oxoprolinase. Substrate-dependent enzyme complex formation. J. Biol. Chem. 263 (1988) 6495-6501
35. Likussar W., and Boltz D.F. Theory of continuous variations plots and a new method for spectrophotometric determination of extraction and formation constants. Anal. Chem. 43 (1971) 1265-1272
36. Likussar W. Computer approach to the continuous variations method for spectrophotometric determination of extraction and formation constants. Anal. Chem. 45 (1973) 1926-1931
37. McBryde W.A.E. Spectrophotometric determination of equilibrium constants in solution. Talanta 21 (1974) 974-1004 (and references therein)
38. Meloun M., Havel J., and Högfeldt E. Computation of Solution Equilibria: A Guide to Methods in Potentiometry, Extraction and Spectrophotometry (1988), Horwood, Chichester
39. Nievergelt Y. Exact equations for the equilibrium constants of single complexes in terms of spectrophotometric data. Analyst 119 (1994) 145-151
40. Ostromisslensky I. Über eine neue, auf dem Massenwirkungs gesetz fu βende Analysenmethode einiger binären Verbindungen. Berichte d.D. Chem. Gessellschaft. Jahrg. 44 (1911) 268-273
41. Polster J., and Lachmann H. Spectrometric Titrations. Analysis of Chemical Equilibria (1989), VCH, Weinheim
42. Rippe K. Analysis of protein-DNA binding at equilibrium. B.I.F. Futura 12 (1997) 20-26
43. Sandell E.B., and Spindler D.C. The soluble complex of ferric ion and 8-hydroxyquinoline. J. Am. Chem. Soc. 71 (1949) 3806-3808
44. Sayago A., and Asuero A.G. Fitting straight lines with replicated observations by linear regression: part II. Testing for homogeneity of variances. Crit. Rev. Anal. Chem. 34 (2004) 133-146
45. Sayago A., Boccio M., and Asuero A.G. Continuous variation data: 1:1 or 2:2 weak complexes?. Int. J. Pharm. 295 (2005) 29-34
46. Sayago A., Boccio M., and Asuero A.G. Fitting straight lines with replicated observations by linear regresión: the least squares postulates. Crit. Rev. Anal. Chem. 34 (2004) 39-50
47. Slovak Z., and Borak J. Bestimmung der beständigkeitskonstante und des molaren extinktionskoeffizienten von schwachen ML-komplexen aus der Jobschen kurve. Anal. Chim. Acta 68 (1974) 425-434
48. Sommer L., and Langova M. Spectrophotometric methods for the investigation of metal complex formation. Crit. Rev. Anal. Chem. 19 (1988) 225-269
49. van der Linden W.E., and Beers C. On the use of spectrophotometric methods for the determination of the composition of metal complexes. Fresenius Z. Anal. Chem. 269 (1974) 97-99
50. Vives M., Gargallo R., and Tauler R. Multivariate extension of the continuous variation and mole ratio methods for the study of the interaction of intercalators with polynucleotides. Anal. Chim. Acta 424 (2000) 105-114
51. Woldbye F. On the method of continuous variation. Acta Chem. Scand. 9 (1955) 299-309