LEVITATION, HOLDING, AND ROTATION OF CELLS WITHIN TRAPS MADE BY HIGH-FREQUENCY FIELDS

被引:104
作者
FUHR, G
ARNOLD, WM
HAGEDORN, R
MULLER, T
BENECKE, W
WAGNER, B
ZIMMERMANN, U
机构
[1] UNIV WURZBURG,BIOZENTRUM,LEHRSTUHL BIOTECHNOL,W-8700 WURZBURG,GERMANY
[2] HUMBOLDT UNIV,FACHBEREICH BIOL,O-1086 BERLIN,GERMANY
[3] FRAUNHOFER INST MIKROSTRUKTURTECH,BERLIN,GERMANY
关键词
ELECTRIC FIELD EFFECT; DIELECTROPHORESIS; BIOLOGICAL CELL; PERMITTIVITY; MICROMANIPULATION;
D O I
10.1016/0005-2736(92)90028-K
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Biological cells and other particles can be electrically manipulated by means of negative dielectrophoresis within microchambers whose electrode geometry is of the order of the cell size. Very-high-frequency fields (50 MHz and above) and media of increased relative permittivity are especially suitable for the purpose, as shown by experimental data on levitation and rotation. It appears to be possible to move and rotate cells or particles at will using this technology.
引用
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页码:215 / 223
页数:9
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