- Abstract:
-
We have applied scanning tunnelling microscopy (STM) to the study of two proteins: pseudoazurin and apo-pseudoazurin. Both proteins adsorbed onto a Au (1 1 1) surface are visible to STM individually, forming into layers and multilayers, with currents from about 55 to 600 pA. The images reproduce well the expected dimensions laterally but not in the z direction. The apparent height of the proteins varies with the voltage polarity, being higher at negative sample voltages. The bias also affects...
Expand abstract - Publication status:
- Published
- Publisher copy:
- 10.1016/s0304-3991(02)00104-3
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- Volume:
- 91
- Issue:
- 1-4
- Pages:
- 231-243
- Publication date:
- 2002-05-05
- DOI:
- EISSN:
-
1879-2723
- ISSN:
-
0304-3991
- URN:
-
uuid:f5bb1365-0568-4bd9-86fe-9f9c2d50cc0e
- Source identifiers:
-
12079
- Local pid:
- pubs:12079
- Copyright date:
- 2002
Conference
Imaging the proteins pseudoazurin and apo-pseudoazurin on gold by STM in air: effect of the bias voltage.
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