Briefly describe the principle of surface force apparatus

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Physics

Briefly describe the principle of surface force apparatus

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Surface Force Apparatus SFA is an instrument that allows forvery precise measurement of distance between interacting surfacesas well as the forces of the interaction When speaking ofmeasuring molecular interactions most people use affinity as ameasure of strength That is not true as affinity only shows howlikely it is for the bond to form and not how physically strong itis Few techniques exist that allow for a direct measurement offorce and Surface Force Apparatus SFA is one of them Whatseparates SFA from other techniques is its ability to measureforces directly as a function of distance between two samples Itis not a single molecule technique ie the forces measured See Answer

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Briefly describe the principle of surface force apparatus

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Briefly describe the principle of surface force apparatus

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