NDLI: Impact of surface roughness on Dielectrophoretically assisted concentration of microorganisms over PCB based platforms

Content Provider	Springer Nature Link
Author	Bhatt, Geeta Kant, Rishi Mishra, Keerti Yadav, Kuldeep Singh, Deepak Gurunath, Ramanathan Bhattacharya, Shantanu
Copyright Year	2017
Abstract	This article presents a PCB based microfluidic platform for performing a dielectrophoretic capture of live microorganisms over inter-digitated electrodes buried under layers of different surface roughness values. Although dielectrophoresis has been extensively studied earlier over silicon and polymer surfaces with printed electrodes the issue of surface roughness particularly in case of buried electrodes has been seldom investigated. We have addressed this issue through a layer of spin coated PDMS (of various surface roughness) that is used to cover the printed electrodes over a printed circuit board. The roughness in the PDMS layer is generally defined by the roughness of the FR4 base which houses the printed electrodes as well as other structures. Possibilities arising out of COMSOL simulations have been well validated experimentally in this work.
Starting Page	1
Ending Page	11
Page Count	11
File Format	PDF
ISSN	13872176
Journal	Biomedical Microdevices
Volume Number	19
Issue Number	2
e-ISSN	15728781
Language	English
Publisher	Springer US
Publisher Date	2017-04-17
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	PDMS PCB Inter-digitated electrodes DEP E. coli Biomedical Engineering Biological and Medical Physics, Biophysics Nanotechnology Engineering Fluid Dynamics
Content Type	Text
Resource Type	Article
Subject	Nanoscience and Nanotechnology Molecular Biology Biomedical Engineering

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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