TEM image of an open-ended SWNT after oxidation at 450 °C for 1 h in air.
Flow of the chemical reaction to bind an azide protein molecule to the CNT tip using the Staudinger reaction.
Typical AFM images of CNTs on substrates after CNTs which have NHS-pph3 at their tips and (a) F130Amb and (b) WT.
Histogram of the corrected widths of (a) particles observed at CNT tips and (b) free importin α.
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