Question

dipalmitoylphosphatidylcholine, also known as dppc, is a component of lung surfactant that aims to reduce surface tension of mucus and liquid within the lungs. in order for this phospholipid to work effectively, it must be modified in vivo. predict the hydrolyzed version of dppc and briefly explain how its monomers are effective in acting as a surfactant. 2. when recovering soap from the final step of the reaction, there can be some discrepancies in your mass recording that deviate from the true value. explain what would cause this difference in theoretical mass of soap vs. recovered mass of soap if

Answer 1

dipalmitoylphosphat Contains dipalmitoylphosphatidylcholine been added to surfactant? Idylcholine, sometimes referred to as dppc, is a lung surfactant component that works to lower surface tension.

The cohesive state that develops at a liquid-liquid or liquid-gas contact is referred to as surface tension. This happens in the lungs at the point where the alveolar membrane and the airway meet. Alveoli are drawn together as a result of increased cohesion caused by increased surface tension.

How does surface tension affect lung compliance?

Surfactant synthesis lowers surface tension within the alveoli to prevent collapse. Surface tension can be reduced to more readily obtain compliance. Together, the chest wall and lungs make up the combined compliance system.

Dipalmitoylphosphatidylcholine, a phospholipid particularly, makes up the majority of the lipid content and is what gives surfactant its biophysical properties.

Water has a high surface tension due to the strong cohesive interactions between its molecules. Surfactants disrupt these interactions as they absorb. Surface tension will drop because the intermolecular interactions between the water molecule and the surfactant are substantially lower than those between two water molecules.

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