期刊
SMALL
卷 16, 期 5, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/smll.201904268
关键词
electroosmotic flow; electrophoresis; electroosmotic flow (EOF); scanning probes; surface analysis
类别
资金
- Israeli Ministry of Science and Technology
The theoretical analysis and experimental demonstration of a new concept are presented for a non-contact scanning probe, in which transport of fluid and molecules is controlled by electric fields. The electrokinetic scanning probe (ESP) enables local chemical and biochemical interactions with surfaces in liquid environments. The physical mechanism and design criteria for such a probe are presented, and its compatibility with a wide range of processing solutions and pH values are demonstrated. The applicability of the probe is shown for surface patterning in conjunction with localized heating and 250-fold analyte stacking.
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