β Scribed by N. Getoff; H. Bildstein
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π SIMILAR VOLUMES
A new method is proposed for finding molecular weights from the boundary condition of the ultracentrifuge. The method is more rapid than the conventional Archibald method by a t least one order of magnitude and should be especially useful for giant molecules with small diffusion coefficients. It emp
## Abstract By combining a number of theoretical relationships concerning the effect of molecular weight on melt rheology, an equation may be derived for conversion of melt indexer flow rate to βapparent molecular weight.β In spite of certain evident theoretical shortcomings of this derivation, the
A modified method for the synthesis of radioiodinated 4-125iodoantipyrine based on electrophilic iodination using Na103 as an oxidising agent is described. This straightforward method is reproducible and yields consistently high ( > 9 8 % ) radiolabelled 4 ' 2 5 ~~P . The use of solid phase extract
A method is described for the rapid purification of acid deoxyribonucleases. It primarily involves chromatography of the enzyme-containing preparation through a DNA-ECTEOLA-cellulose column. This column retains the DNAse activity but not the inactive protein, and consequently, high degrees of purifi