Trapping of proteins under physiological conditions in a nanopipette

被引:96
作者
Clarke, RW [1 ]
White, SS [1 ]
Zhou, DJ [1 ]
Ying, LM [1 ]
Klenerman, D [1 ]
机构
[1] Univ Cambridge, Dept Chem, Cambridge CB2 1TN, England
基金
英国生物技术与生命科学研究理事会;
关键词
biomolecule trapping; DNA; electrophoresis; nanotechnology; proteins;
D O I
10.1002/anie.200500196
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
(Figure Presented) Caught in a trap and on camera: A nanopipette is used for electrodeless dielectrophoresis and clear evidence is shown, by using wide-field fluorescence imaging (see image), for the reversible trapping of Alexa-488-labeled proteins (protein G and immunoglobulin G) and also of the fluorophore alone. The dielectrophoretic concentration is enhanced by at least a factor of 300 for these fluorophore-labeled proteins. © 2005 Wiley-VCH Verlag GmbH & Co. KGaA.
引用
收藏
页码:3747 / 3750
页数:4
相关论文
共 24 条
[11]   AC electrokinetics: applications for nanotechnology [J].
Hughes, MP .
NANOTECHNOLOGY, 2000, 11 (02) :124-132
[12]   Manipulation of herpes simplex virus type 1 by dielectrophoresis [J].
Hughes, MP ;
Morgan, H ;
Rixon, FJ ;
Burt, JPH ;
Pethig, R .
BIOCHIMICA ET BIOPHYSICA ACTA-GENERAL SUBJECTS, 1998, 1425 (01) :119-126
[13]   Simultaneous deposition of metallic bundles of single-walled carbon nanotubes using ac-dielectrophoresis [J].
Krupke, R ;
Hennrich, F ;
Weber, HB ;
Kappes, MM ;
von Lohneysen, H .
NANO LETTERS, 2003, 3 (08) :1019-1023
[14]   Separation of metallic from semiconducting single-walled carbon nanotubes [J].
Krupke, R ;
Hennrich, F ;
von Löhneysen, H ;
Kappes, MM .
SCIENCE, 2003, 301 (5631) :344-347
[15]   Dielectrophoretic concentration and separation of live and dead bacteria in an array of insulators [J].
Lapizco-Encinas, BH ;
Simmons, BA ;
Cummings, EB ;
Fintschenko, Y .
ANALYTICAL CHEMISTRY, 2004, 76 (06) :1571-1579
[16]   Separation of submicron bioparticles by dielectrophoresis [J].
Morgan, H ;
Hughes, MP ;
Green, NG .
BIOPHYSICAL JOURNAL, 1999, 77 (01) :516-525
[17]   POSITIVE AND NEGATIVE DIELECTROPHORETIC COLLECTION OF COLLOIDAL PARTICLES USING INTERDIGITATED CASTELLATED MICROELECTRODES [J].
PETHIG, R ;
HUANG, Y ;
WANG, XB ;
BURT, JPH .
JOURNAL OF PHYSICS D-APPLIED PHYSICS, 1992, 25 (05) :881-888
[18]  
Pohl, 1978, DIELECTROPHORESIS
[19]   Single micro electrode dielectrophoretic tweezers for manipulation of suspended cells and particles [J].
Schnelle, T ;
Müller, T ;
Hagedorn, R ;
Voigt, A ;
Fuhr, G .
BIOCHIMICA ET BIOPHYSICA ACTA-GENERAL SUBJECTS, 1999, 1428 (01) :99-105
[20]   Assembly of ID nanostructures into sub-micrometer diameter fibrils with controlled and variable length by dielectrophoresis [J].
Tang, J ;
Gao, B ;
Geng, HZ ;
Velev, OD ;
Qin, LC ;
Zhou, O .
ADVANCED MATERIALS, 2003, 15 (16) :1352-+