Figure 1. Schematics for Identifying the Dementia Quotient (DQ) Index (IMAGE)

Institute for Basic Science

Figure 1. Schematics for Identifying the Dementia Quotient (DQ) Index

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The monomer, oligomer and fibrillar forms of the Aβ protein are distinguished using THz near-field conductance measurements. Independently of the protein concentration, the DQ index goes from zero to one: nearly zero is a monomer state, a value of 0.64 indicates the presence of oligomers, and one corresponds to the more advanced fibril state.

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