Science news articles about 'diffusion of molecules'

... tensor imaging to help measure the diffusion of molecules in a child's brain, which can indicate abnormal microscopic ... meth exposure had up to four percent lower diffusion of molecules in the white matter of their brains. "Our findings ...

... that the enzyme catalyzes in the microarray, the molecule generated by the enzyme reaction quickly diffuses away, causing ... and clear polymer— to the microarray slide to limit the diffusion of molecules and hold the reactions in place, preventing ...

... . This is the first known evidence of such highly unequal diffusion of molecules in a nanoporous material. This highly lopsided ... with only subtle differences in geometry. The methyl alcohol molecules were stored initially inside an optical cell ...

... processes in cells is dictated by the speed of movement (diffusion) of molecules needed for a given reaction. Using a versatile ... in the "Bioinformatics" journal focused on the rate of diffusion of protein molecules in the Escherichia coli cytoplasm. "The viscosity ...