Ultrathin sections (80 nm thick) were cut with an ultramicrotome (Leica, EMUC6, Germany), and then stained with uranyl acetate and lead citrate and finally examined by a Tecnai G 2 Spirit TWIN transmission electron microscope (FEI, Hillsboro, OR, USA)
However, it would be best to take it at the same time each day to avoid the chances of missing a dose
Reconstitute half the vial, use it, then reconstitute the remainder from still-lyophilized powder when needed
How intestinal permeability is assessed Because permeability is a physiological property, it can be measured and the assessment tools are part of what separates serious clinical work from speculation
*Current Pharmaceutical Design*, 26(25), 2953-2962