Today’s article

term: matrix


condensed (solid or liquid) medium in which isolated active particles (atoms, molecules, ions, nanoparticles, etc.) are placed to prevent interaction between them and with the environment.


The general requirements of the matrix material include:

-chemical inertness to the isolated objects and, in case of nanoreactors to the reagents and reaction intermediates;

-sufficient rigidity of the solid

Today’s picture

term: glycocalyx



carbohydrate-rich peripheral zone of the external surface coating of the membrane in most eukaryotic cells.


The outer surface of cells is covered with lipopolysaccharide "hairs" consisting of proteoglycans, glycoproteins and glycolipids, which are called “glycocalyx” (see Fig.). Carbohydrate components of the glycocalyx include both compounds covalently bound to proteins ...