"When you touch that surface, it's transmitted to your hands. Then if you touch your eyes or rub their nose or lips, when you eat or in any way get your fingers in contact with a mucous surface ...

This resulted in the particles' negative surface charge being neutralized, enabling them to diffuse readily in mucus gel at a rate just ten times slower than in water, an unhindered medium.

Dermatologists often evaluate and treat conditions involving the mucous membranes. This epithelium is present not only in the eye, mouth, and genitalia but also in the nasopharynx. Although ...