The calculation of molecular weights from difussion and viscosity data

Polson, A.

doi:10.1016/0005-2795(67)90459-x

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Cited by 11 publications

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“…This laboratory was designed to provide an introduction to biochemical research, in contrast to the other laboratory requirements. Because considerable familiarity with chemistry and physics is a prerequisit e, and to induce maximum participation, the course has been restricted to an intermediate-sized class (10)(11)(12)(13)(14)(15)(16)(17)(18)(19)(20) of junior-senior majors. Enthusiastic student 1 One course unit is equivalent to three or perhaps four semester hours.…”

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confidence: 99%

Research in macromolecular chemistry. A new approach to an undergraduate biochemistry laboratory

Gerber¹,

Dreskin²

1971

J. Chem. Educ.

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confidence: 99%

Research in macromolecular chemistry. A new approach to an undergraduate biochemistry laboratory

Gerber¹,

Dreskin²

1971

J. Chem. Educ.

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Rapid characterization of protein molecular weights and hydrodynamic structures by quasielastic laser‐light scattering

McDonnell

Jamieson

1976

Biopolymers

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SynopsisTwo methods for the characterization of protein molecular weights from their diffusion coefficients are discussed. These measurements can be made quickly and reliably at low concentrations using quasielastic light-scattering techniques. First, an empirical calibration of the diffusion coefficient at infinite dilution of denatured random coils against molecular weight is reported. The second method combines the measurement of Do with the intrinsic viscosity [TI. This Do-[q] relationship proves to be very insensitive to polymer structure or solvent type. The data indicate that the ratio of the hydrodynamic radius measured by viscosity to the hydrodynamic radius measured by diffusion is about 15% smaller than that predicted by theoretical models. The nature of the molecular-weight average obtained for polydisperse systems is defined for a Schulz distribution. These hydrodynamic methods have also been used to demonstrate the presence of chain branching in the glycoprotein ovomucoid. In addition, a method is proposed by which the effective segment length and an excluded volume parameter for random coils may he evaluated for diffusion measurements.

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Plasma Albumin

Franglen¹

1974

Structure and Function of Plasma Proteins

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The calculation of molecular weights from difussion and viscosity data

Cited by 11 publications

References 32 publications

Research in macromolecular chemistry. A new approach to an undergraduate biochemistry laboratory

Research in macromolecular chemistry. A new approach to an undergraduate biochemistry laboratory

Rapid characterization of protein molecular weights and hydrodynamic structures by quasielastic laser‐light scattering

Plasma Albumin

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