For decades, scientists across the globe have investigated methods to accurately measure drug permeability across the blood-brain barrier, a compact layer of cells that protect the brain from ...

In this picture, researchers summarize the commonly used methods for adjusting the Schottky barrier, including the work function of the metals, interface gap states, image lowering effect, external ...

Natural family planning, barriers, hormonal methods, copper IUDs, and permanent sterilization have varying degrees of effectiveness. Family planning involves tracking fertility cycles and sexual ...

Barrier and hormonal contraception methods only temporarily prevent pregnancy. Once a person stops using these methods, the body’s natural fertility will typically resume. Sterilization methods, such ...