By Kenneth S. Schmitz
Dynamic mild scattering (DLS) options offer information regarding measurement, form, and suppleness of debris in addition to delivering perception about the nature of the interactions among debris and their environments. This ebook bargains a research of DLS through macromolecular and polyelectrolyte answer
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Extra info for An Introduction to Dynamic Light Scattering by Macromolecules
9) was used in these calculations, where a self-consistent set of shielding coefficients was first obtained by the iterative procedure outlined by Eq. 5). The beads were identical with a diameter of 110 Â. The results are given in Fig. 4. 1 Ί—Γ ~ι—ι—ι—ι—I I Γ 4 5 7 9 10 II 12 bead 6 number Θ Fig. 4. 4 b e a d s / t u r n . [Reproduced with permission from Schmitz, Κ. S. (1977). Biopolymers 16, 2 6 3 5 - 2 6 4 0 . 5 Kirkwood Shape for Phycocyanin Phycocyanin, a protein obtained from blue-green algae, constitutes part of the photosynthesis apparatus.
Concluded that: (1) convective motion and thermal lensing effects were not significant, whereas temperature increases were significant; (2) accurate values of Dm can be obtained for absorbing molecules by linear extrapolation to F 0 = 0; and (3) multiple scattering is negligible for these systems (up to 15 g/dL). 17. 37 Evaluation of
It was stated that this preparation did not exhibit reversible association-dissociation characteristics. 16); and (2) lower concentrations could not be used because of the low levels of scattered light. 75 m L / g (taken from the literature). Assuming the subunit has a molecular weight of 35,000, estimate the number of subunits in phycocyanin. If these subunits are arranged in a ring, estimate the radius of the subunit using the Kirkwood equation for fTr. Solution: F r o m Eq. 4) one has M p = 209,100 Daltons.