AC and DC electrical imaging of biosamples at the nanoscale by Atomic Force Microscopy

被引：0

作者：

Casuso, I. ^{[1
]}

Fumagalli, L. ^{[1
]}

Ferrari, G. ^{[2
]}

Sampietro, M. ^{[2
]}

Padros, E. ^{[3
,4
]}

Samitier, J. ^{[1
]}

Gomila, G. ^{[1
]}

机构：

[1] Univ Barcelona, Dept Elect, Barcelona Sci Pk, Barcelona, Spain

[2] Politecn Milan, Dept Elett & Informaz, Milan, Italy

[3] Univ Autonoma Barcelona, Unitat Biofis, Dept Bioquim & Biol Mol, Barcelona, Spain

[4] Univ Autonoma Barcelona, Ctr Estudis Biofis, Barcelona, Spain

来源：

PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON NANOSCIENCE AND TECHNOLOGY | 2007年 / 61卷

关键词：

D O I：

10.1088/1742-6596/61/1/037

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

We present a new tool and measurement protocol based on Atomic Force Microscopy for the AC and DC electrical characterization of biological samples at the nanoscale. The new developments allow performing a variety of electrical measurements (DC conductivity, AC small signal impedance) both in spectroscopic mode (i.e. in a single point) as well as in imaging mode (i.e. by providing a map of the electrical properties with nanometric spatial resolution) with minimum sample damage. Successful test measurements have been carried out on Purple Membrane.

引用

页码：185 / 189

页数：5

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