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The monomers or aggregates of protein molecules in protein crystallization solution at the initial stage of crystallization process are the basis of subsequent nucleation process. Tanaka et al (Tanaka S., et al, J. Cryst. Growth, 1996) concluded that there are units and clusters of lysozyme molecules in solution at the beginning of lysozyme crystallization process, and the decrease of clusters' amount...
Homologous protein, which exists in protein solution, is an impurity during protein crystallization. We chose home-made fluorescein isothiocyanate (FITC) labeled hen egg white lysozyme (HEWL) as model homologous lysozyme impurity. We studied the effect of fluorescein isothiocyanate labeled hen egg white lysozyme (FITC-HEWL) on HEWL crystallization. We found that the existence of FITC-HEWL obviously...
We have improved the ordinary total internal reflection fluorescence microscopy (TIRFM). Two improvements have been achieved, one is the interface between opaque material and solution can be observed, another is the interface far away (usually several ten micro meters) the objective lens can be observed. By this improved TIRFM, the adsorption of protein molecules at a crystal/solution interface had...
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