کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
180322 459377 2011 5 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Bacterial cell manipulation by dielectrophoresis on a hydrophobic guide structure
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی مهندسی شیمی (عمومی)
پیش نمایش صفحه اول مقاله
Bacterial cell manipulation by dielectrophoresis on a hydrophobic guide structure
چکیده انگلیسی

We present a simple bacterial cell manipulation method based on dielectrophoresis (DEP) and droplet evaporation control using micro-patterned electrodes of the DEP effective area and a hydrophobic guide structure. Polystyrene particles were focused into intended areas by controlling the meniscus of evaporating droplets on the hydrophobic surface. Bacterial cells were efficiently assembled on an electrode array using DEP assisted by a hydrophobic guide structure. Simulations of an electric field and an electric field gradient that was dependent on the electrode shape confirmed that the design of an optimal electrode shape is important for increasing the DEP force for effective cell manipulation.

We present a simple bacterial cell manipulation method based on dielectrophoresis (DEP) and evaporation control using micro-patterned electrodes of the DEP effective area and a hydrophobic guide structure. Droplet evaporation mechanism on the hydrophobic surface helped to focus particles into the rectangular DEP effective area. Our hydrophobic guide structure used the hydrophobic and the hydrophilic evaporation mechanisms together to focus particles in the droplet.Figure optionsDownload as PowerPoint slideResearch Highlights
► Hydrophobic guide structure with hydrophilic and hydrophobic region.
► Bacterial cells focused on the DEP effective electrode by the hydrophobic guide.
► Bacterial cells can be readily manipulated by DEP and droplet evaporation control.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Electrochemistry Communications - Volume 13, Issue 6, June 2011, Pages 600–604
نویسندگان
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