Mucoadhesion

$Places where fractures can occur when testing fracture theory. Fracture theory looks for force required to separate at the interface, but fractures can occur due to cohesive failure within either of the layers.$

Interpenetration of a bioadhesive with mucus. In the contact stage, the two materials are brought into contact. In the consolidation stage the interpenetration of the polymers occurs.

Bioadhesion is the mechanism by which two biological materials are held together by interfacial forces. When relating this mechanism to the pharmaceutical sciences, mucoadhesion describes the attractive forces between a biological material and mucus or mucous membrane. Mucus membranes adhere to epithelial surfaces such as the gastrointestinal tract (GI-tract), the vagina, the lung, the eye, etc. They are generally hydrophilic as they contain many hydrogen macromolecules due to the large amount of water (approximately 95%) within its composition. However, mucin also contains glycoproteins that enable the formation of a gel-like substance. Understanding the hydrophilic bonding and adhesion mechanisms of mucus to biological material is of utmost importance in order to produce the most efficient applications. For example, in drug delivery systems, the mucus layer must be penetrated in order to effectively transport micro- or nanosized drug particles into the body.

词汇	Mucoadhesion
分类	英语词汇英语翻译词典
释义	Mucoadhesion 英语百科 Mucoadhesion $Places where fractures can occur when testing fracture theory. Fracture theory looks for force required to separate at the interface, but fractures can occur due to cohesive failure within either of the layers.$ Bioadhesion is the mechanism by which two biological materials are held together by interfacial forces. When relating this mechanism to the pharmaceutical sciences, mucoadhesion describes the attractive forces between a biological material and mucus or mucous membrane. Mucus membranes adhere to epithelial surfaces such as the gastrointestinal tract (GI-tract), the vagina, the lung, the eye, etc. They are generally hydrophilic as they contain many hydrogen macromolecules due to the large amount of water (approximately 95%) within its composition. However, mucin also contains glycoproteins that enable the formation of a gel-like substance. Understanding the hydrophilic bonding and adhesion mechanisms of mucus to biological material is of utmost importance in order to produce the most efficient applications. For example, in drug delivery systems, the mucus layer must be penetrated in order to effectively transport micro- or nanosized drug particles into the body.
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