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Globule forming temperature

Figure 1 Scanning electron micrograph of freeze-dried sucrose the scale bar corresponds to 10 pm. Globules, formed at the ends of the filaments, are evidence of minor collapse during drying, when the temperature exceeded the softening point for short periods... Figure 1 Scanning electron micrograph of freeze-dried sucrose the scale bar corresponds to 10 pm. Globules, formed at the ends of the filaments, are evidence of minor collapse during drying, when the temperature exceeded the softening point for short periods...
It was also found that the coil-to-globule transition for PLCs, induced by the strong attraction of H segments, occurs at higher temperatures and leads to the formation of denser globules and has faster kinetics than for random and random-block counterparts. The reason for this is illustrated in Figure 4 where typical snapshots of globules formed by protein-like and RCPs are shown. [Pg.696]

For parenteral products specific consideration needs to be included for tonicity adjustment, emulsion globule size, ease of resuspension and sedimentation rate, particle size and particle size distribution, viscosity and syringeability, and crystal form changes. Full consideration should be included of the proposed instructions for dilution or reconstitution of products and of compatibility with the proposed solvents or diluents. This should include a demonstration that the proposed storage temperature and extremes of concentration are suitable. [Pg.653]

As pointed out in the foregoing, there are two specific peculiarities qualitatively distinguishing these systems from the classical ones. These peculiarities are intramolecular chemical inhomogeneity of polymer chains and the dependence of the composition of macromolecules X on their length l. Experimental data for several nonclassical systems indicate that at a fixed monomer mixture composition x° and temperature such dependence of X on l is of universal character for any concentration of initiator and chain transfer agent [63,72,76]. This function X(l), within the context of the theory proposed here, is obtainable from the solution of kinetic equations (Eq. 62), supplemented by thermodynamic equations (Eq. 63). For heavily swollen globules, when vector-function F(X) can be presented in explicit analytical form... [Pg.178]

Heavy sdvery-white liquid does not wet glass forms tiny globules the only metal that occurs at ordinary temperatures as a hquid and one of the two hquid elements at ambient temperatures (the other one being bromine) density 13.534 g/cm3 solidifies at -38.83°C vaporizes at 356.73°C vapor pressure 0.015 torr at 50°C, 0.278 torr at 100°C and 17.29 torr at 200°C critical temperature 1,477°C critical pressure 732 atm critical volume 43cm3/mol resistivity 95.8x10 ohm/cm at 20°C surface tension 485.5 dynes/cm at 25°C vis-... [Pg.559]


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