In a driving method for an electron-emitting device in which an electron-emitting member made of an aggregate of carbon fibers is made to emit electrons by a voltage being applied between a cathode electrode on which the electron-emitting member is formed and a counter electrode disposed in opposition to the cathode electrode, a driving voltage V smaller than a maximum applied voltage Vmax is applied between the cathode electrode and the counter electrode to drive the electron-emitting device, the maximum applied voltage Vmax being a maximum voltage applied between the cathode electrode and the counter electrode before the start of driving.

 
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< Probe head having a membrane suspended probe

> Secreted and transmembrane polypeptides and nucleic acids encoding the same

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