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Received August 8, 2008
Accepted October 28, 2008
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Effects of pH, salt type, and ionic strength on the second virial coefficients of aqueous bovine serum albumin solutions
Department of Chemical System Engineering, Hongik University, Jochiwon-up, Yongi-gun 339-701, Korea 1Departmnet of Electronic and Electrical Engineering, Hongik University, Jochiwon-up, Yongi-gun 339-701, Korea
Korean Journal of Chemical Engineering, January 2009, 26(1), 193-198(6), 10.1007/s11814-009-0032-y
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Abstract
The osmotic pressures of aqueous bovine serum albumin (BSA) solutions were measured at different pH (3.6, 4.6, 5.6, and 7.6) in combination with different concentrations (0.01M, 0.1M, 1M, and 3M) of salts (sodium, pottasium, and lithum) by using a Wescor colloid membrane osmometer. The osmotic second virial coefficients for BSA were determined from the experimental osmotic pressure. Predominant forces between protein molecules were measured at the various pH, ionic strength, and type of salt. These experimental data were utilized to determine the depth of square-well potential, which accounts for specific interactions between protein molecules at various conditions.
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Starling EH, J. Physiol., 24, 317 (1899)
Moon YU, Curtis RA, Anderson CO, Blanch HW, Prausnitz JM, Journal of Solution Chem., 29, 699 (2000)
McMillan Jr. WG, Mayer JE, J. Chem. Phys., 13, 276 (1945)
Vilker VL, Colton CK, Smith KA, J. Colloid Interface Sci., 79, 548 (1981)
Verwey EJW, Overbeek JTG, Theory of stability of lyophobic colloids, Elsevier, Amsterdam (1948)
Nir S, Prog. Surf. Sci., 8, 1 (1977)
Wertheim MS, J. Chem. Phys., 85, 2929 (1986)
Tanford C, Swanson SA, Shore WS, J. Am. Chem. Soc., 77, 6414 (1955)
Pujar NS, Zydney AL, J. Colloid Interface Sci., 192(2), 338 (1997)
Tanford C, Adv. Protein Chemistry, 23, 121 (1968)
Curtis RA, Prausnitz JM, Blanch HW, Biotechnol. Bioeng., 57(1), 11 (1998)
Hofmeister F, Arch. Exp. Pathol. Pharmakol., 24, 247 (1888)
Arakawa T, Timasheff SN, Biochem., 21, 6545 (1982)
Chang BH, Bae YC, Biomacromolecules, 4(6), 1713 (2003)
Collins KD, Biophys. J., 72, 65 (1997)
Korolev N, Lyubartsev AP, Rupprecht A, Nordenskiold L, Biophys. J., 77, 2736 (1999)
Vogel R, Fan GB, Sheves M, Siebert F, Biochem., 40, 483 (2001)
von Hippel P, Schleich T, Acc. Chem. Res., 2, 257 (1969)
Muta H, Kojima R, Kawauchi S, Tachibana A, Satoh M, J. Mol. Structure: THEOCHEM, 536, 219 (2001)
Moon YU, Anderson CO, Blanch HW, Prausnitz JM, Fluid Phase Equilib., 168(2), 229 (2000)
Alberty RA, Marvin Jr. HH, J. Am. Chem. Soc., 73, 3220 (1951)
Kuehner DE, Blanch HW, Prausnitz JM, Fluid Phase Equilib., 116(1-2), 140 (1996)
Zhang FJ, Skoda MWA, Jacobs RMJ, Martin RA, Martin CM, Schreiber F, J. Phys. Chem. B, 111(1), 251 (2007)
Curtis RA, Ulrich J, Montaser A, Prausnitz JM, Blanch HW, Biotechnol. Bioeng., 79(4), 367 (2002)
Rescic J, Vlachy V, Jamnik A, Glatter O, J. Colloid Interface Sci., 239(1), 49 (2001)
Haynes CA, Tamura K, Korfer HR, Blanch HW, Prausnitz JM, J. Phys. Chem., 96, 905 (1992)
Yousef MA, Datta R, Rodgers VGJ, J. Colloid Interface Sci., 243(2), 321 (2001)
