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|a (NLM)15697292
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
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|a Lynch, Brian P
|e verfasserin
|4 aut
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|a Dielectrophoretic force microscopy of aqueous interfaces
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|c 2005
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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|a Band
|b nc
|2 rdacarrier
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|a Date Completed 12.06.2006
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|a Date Revised 08.02.2005
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a A novel scanning probe microscopy technique has allowed dielectrophoretic force imaging with nanoscale spatial resolution. Dielectrophoresis (DEP) traditionally describes the mobility of polarizable particles in inhomogeneous alternating current (ac) electric fields. Integrating DEP with atomic force microscopy allows for noncontact imaging with the image contrast related to the local electric polarizability. By tuning the ac frequency, dielectric spectroscopy can be performed at solid/liquid interfaces with high spatial resolution. In studies of cells, the frequency-dependent dielectrophoretic force is sensitive to biologically relevant electrical properties, including local membrane capacitance and ion mobility. Consequently, dielectrophoretic force microscopy is well suited for in vitro noncontact scanning probe microscopy of biological systems
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|a Journal Article
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|a Hilton, Al M
|e verfasserin
|4 aut
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|a Doerge, Christopher H
|e verfasserin
|4 aut
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|a Simpson, Garth J
|e verfasserin
|4 aut
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 21(2005), 4 vom: 15. Feb., Seite 1436-40
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|x 1520-5827
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|g volume:21
|g year:2005
|g number:4
|g day:15
|g month:02
|g pages:1436-40
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