Co-adsorption of β-casein and calcium phosphate nanoclusters (CPN) at hydrophilic and hydrophobic solid-solution interfaces studied by neutron reflectometry

Food Hydrocolloids

Volumn 25, Issue 4, 2011, Pages 724-733

  Follows, David ^a   Holt, Carl ^b   Thomas, Robert K ^a   Tiberg, Fredrik ^c,d   Fragneto, Giovanna ^e   Nylander, Tommy ^d  

^a UNIVERSITY OF OXFORD   (United Kingdom)

^b UNIVERSITY OF GLASGOW   (United Kingdom)

^c Camurus AB   (Sweden)

^d LUND UNIVERSITY   (Sweden)

^e INSTITUT LAUE LANGEVIN   (France)

Author keywords

Adsorption; Calcium phosphate nanoclusters; Neutron reflectometry; casein

Indexed keywords

CALCIUM PHOSPHATE; CASEIN; HYDROPHILICITY; HYDROPHOBICITY; MULTILAYERS; NANOCLUSTERS; PHASE INTERFACES; REFLECTION; REFLECTOMETERS; SILICA;

CALCIUM PHOSPHATE NANOCLUSTER; CO-ADSORPTION; HYDROPHILIC AND HYDROPHOBIC; HYDROPHILIC SILICA; HYDROPHOBIC SOLID; NEUTRON REFLECTOMETRY; SILICA-WATER INTERFACE; SOLID-SOLUTION INTERFACE; STRUCTURAL CHARACTERISTICS; Β-CASEIN;

ADSORPTION;

EID: 79851485254     PISSN: 0268005X     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.foodhyd.2010.09.001     Document Type: Article

References (39)

1. Atkinson P.J., Dickinson E., Horne D.S., Leermakers F.A.M., Richardson R.M. Theoretical and experimental investigations of adsorbed protein structure at a fluid interface. Berichte der Bunsengesellschaft-für-physikalische-Chemie 1996, 100:994-998.
2. Atkinson P.J., Dickinson E., Horne D.S., Richardson R.M. Neutron reflectivity of adsorbed β-casein and β-lactoglobulin at the air-water interface. Journal of the Chemical Society, Faraday Transactions 1995, 91:2847-2854.
3. Born M., Wolf E. Principles of optics 1980, Cambridge University Press, Cambridge. 6th ed.
4. Brooksbank D.V., Davidson C.M., Horne D.S., Leaver J. Influence of electrostatic interactions on b-casein layers adsorbed on polystyrene latices. Journal of the Chemical Society, Faraday Transactions 1993, 89:3419-3425.
5. Clegg R.A., Holt C. An E. coli over-expression system for multiply-phosphorylated proteins and its use in a study of calcium phosphate sequestration by novel recombinant phosphopeptides. Protein Expression and Purification 2009, 67:23-34.
6. Cubitt R., Fragneto G. D17: the new reflectometer at the ILL. Applied Physics A-Material Science and Processing 2002, 74:S329-S331.
7. Dalgleish D.G., Leaver J. The possible conformations of milk proteins adsorbed on oil/water interfaces. Journal of Colloid and Interface Science 1991, 141:288-294.
8. Dickinson E. Adsorbed protein layers at fluid interfaces: interactions, structure and surface rheology. Colloids Surfaces B: Biointerfaces 1999, 15:161-176.
9. Dickinson E., Horne D.S., Phipps J.S., Richardson R.M. A neutron reflectivity study of the adsorption of β-casein at fluid interfaces. Langmuir 1993, 9:242-248.
10. Drapeau G.R. Substrate specificity of a proteolytic enzyme isolated from a mutant of Pseudomonas fragi. The Journal of Biological Chemistry 1980, 255:839-840.
11. Efimova Y.M., van Well A.A., Hanefeld U., Wierczinski B., Bouwman W.G. On the scattering length density of proteins in H2O/D2O: determination of H-D exchange using ES+I-MS. Journal of Radioanalytical and Nuclear Chemistry 2005, 264:271-275.
12. Fragneto G., Lu J.R., McDermott D.C., Thomas R.K. Structure of monolayers of tetraethylene glycol monododecyl ether Adsorbed on self-assembled monolayers on silicon: a neutron reflectivity study. Langmuir 1996, 12:477-486.
13. Fragneto G., Thomas R.K., Rennie A.R., Penfold J. Neutron reflection study of bovine beta-casein adsorbed on OTS self-assembled monolayers. Science 1995, 267:657-660.
14. Holt C. Casein micelle substructure and calcium phosphate interactions studied by sephacryl column chromatography. Journal of Dairy Science 1998, 81:2994-3003.
15. Holt C., Davies D.T., Law A.J.R. Effects of colloidal calcium-phosphate content and free calcium-ion concentration in the milk serum on the dissociation of bovine casein micelles. Journal of Dairy Research 1986, 53:557-572.
16. Holt C., Sawyer L. Primary and predicted secondary structure of the caseins in relation to their biological role. Protein Engineering 1988, 2:251-259.
17. Holt C., Sørensen E.S., Clegg R.A. Role of calcium phosphate nanoclusters in the control of calcification. FEBS Journal 2009, 276:2308-2323.
18. Holt C., Timmins P.A., Errington N., Leaver J. A core-shell model of calcium phosphate nanoclusters stabilised by b-casein phosphopeptides, derived from sedimentation equilibrium and small-angle X-ray and neutron-scattering measurements. European Journal of Biochemistry 1998, 252:73-78.
19. Holt C., van Kemenade M.J.J.M., Nelson L.S., Sawyer L., Harries J.E., Bailey R.T., et al. Composition and structure of micellar calcium-phosphate. Journal of Dairy Research 1989, 56:411-416.
20. Holt C., Wahlgren N.M., Drakenberg T. Ability of a β-casein phosphopeptide to modulate the precipitation of calcium phosphate by forming amorphous dicalcium phosphate nanoclusters. Biochemical Journal 1996, 314:1035-1039.
21. Jacrot B. The study of biological structures by neutron scattering from solution. Reports on Progress in Physics 1976, 39:911-953.
22. Kull T., Nylander T., Tiberg F., Wahlgren N.M. Effect of surface properties and added electrolyte on the structure of β-casein layers adsorbed at the solid/aqueous interface. Langmuir 1997, 13:5141-5147.
23. Leaver J., Dagleish D.G. Variations in the binding of β-casein to oil-water interfaces detected by trypsin-catalysed hydrolysis. Journal of Colloid and Interface Science 1992, 149:49-55.
24. Leclerc E., Calmettes P. Interactions in micellar solution of β-casein. Physical Review Letters 1997, 78:150-153.
25. Leermakers F.A.M., Atkinson P.J., Dickinson E., Horne D.S. Self-consistent-field modeling of adsorbed beta-casein: effects of pH and ionic strength on surface coverage and density profile. Journal of Colloid and Interface Science 1996, 178:681-693.
26. Little E.M., Holt C. An equilibrium thermodynamic model of the sequestration of calcium phosphate by casein phosphopeptides. European Biophysics Journal 2004, 33:435-447.
27. Lu J.R., Thomas R.K. The application of neutron and X-ray specular reflection to proteins at interfaces. Physical chemistry of biological interfaces 2000, 609-650. Marcel Dekker, New York. A. Baszkin, W. Norde (Eds.).
28. Mackie A.R., Mingins J., North A.N. Characterisation of adsorbed layers of a disordered coil protein on polystyrene latex. Journal of Chemical Society, Faraday Transactions 1991, 87:3043-3049.
29. Nylander T., Campbell R.A., Vandoolaeghe P., Cardenas M., Linse P., Rennie A.R. Neutron reflectometry to investigate the delivery of lipids and DNA to interfaces (Review). Biointerphases 2008, 3:FB64-FB82.
30. Nylander T., Tiberg F. Wetting of β-casein layers adsorbed at the solid/aqueous interface. Colloids Surfaces B: Biointerfaces 1999, 15:253-261.
31. Nylander T., Tiberg F., Su T.-J., Lu J.R., Thomas R.K. β-casein adsorption at the hydrophobised silicon oxide - aqueous solution interface and the effect of added electrolyte. Biomacromolecules 2001, 2:278-287.
32. Nylander T., Wahlgren N.M. Competitive and sequential adsorption of β-casein and β-lactoglobulin on hydrophobic surfaces and the interfacial structure of β-casein. Journal of Colloid and Interface Science 1994, 162:151-162.
33. Nylander T., Wahlgren N.M. Forces between adsorbed layers of β-casein. Langmuir 1997, 13:6219-6225.
34. Ono T., Ohotawa T., Takagi Y. Complexes of casein phosphopeptide and calcium-phosphate prepared from casein micelles by tryptic digestion. Bioscience Biotechology and Biochemistry 1994, 58:1376-1380.
35. Payens T.A.J., Vreeman H.J. Casein micelles and micelles of κ- and β-casein. Solution behaviour of surfactants 1982, Vol. 1:543-571. Plenum, New York. K.L. Mittal (Ed.).
36. Penfold J., Richardson R.M., Zarbakhsh A., Webster J.R.P., Bucknall D.G., Rennie A.R., et al. Recent advances in the study of chemical surfaces and interfaces by specular neutron reflection. Journal of Chemical Society, Faraday Transactions 1997, 93:3899-3917.
37. Wahlgren, N. M. (1992). A nuclear magnetic resonance approach to the milk system. PhD thesis, University of Lund, Sweden.
38. Wahlgren N.M., Dejmek P., Drakenberg T. Secondary structures in β-casein peptide 1-42: a two dimensional nuclear magnetic resonance study. Journal of Dairy Research 1994, 61:495-506.
39. Walstra P., Jenness R. Dairy chemistry and physics 1984, Wiley-Interscience, New York.