Glass-ceramic (GC) materials have the formability advantages of glasses and opportunity for controlled crystallization functional ceramic phases. Here, we obtain GCs containing hard magnetic phase Sr-hexaferrite (SrFe12O19) from a borate glass. Ten compositions in B2O3-Fe2O3-SrO system were explored, varying B2O3 Sr/Fe ratio. Compositions forming glass on quenching, according to X-ray diffracti...

A microfluidic chip for cross-linked enzyme crystals (McCLEC) is presented and demonstrated to be a stable, reusable and robust biocatalyst-based device with very promising biotechnological applications. The cost-effective microfluidic platform allows in situ crystallization, cross-linking and enzymatic reaction assays on a single device. A large number of enzymatic reuses of the McCLEC platfor...

Detergents are widely used for the isolation and solubilization of membrane proteins to support crystallization and structure determination. Detergents are amphiphilic molecules that form micelles once the characteristic critical micelle concentration (CMC) is achieved and can solubilize membrane proteins by the formation of micelles around them. The results are presented of a study of micelle ...

Direct imaging of nanoparticle solutions by liquid phase transmission electron microscopy has enabled unique in situ studies of nanoparticle motion and growth. In the present work, we report on real-time formation of two-dimensional nanoparticle arrays in the very low diffusive limit, where nanoparticles are mainly driven by capillary forces and solvent fluctuations. We find that superlattice f...

The cleavage-stimulation factor (CstF) is required for the cleavage of the 3'-end of messenger RNA precursors in eukaryotes. During structure determination of the 77 kDa subunit of the murine CstF complex (CstF-77), it was serendipitously discovered that a solution infected by a fungus was crucial for the crystallization of this protein. CstF-77 was partially proteolyzed during crystallization;...