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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Reyes, Pavel Ivanoff Khavulya, Dmitry Lu, Yicheng Duan, Ziqing Boustany, Nada |
| Description | Country affiliation: United States Author Affiliation: Reyes PI ( Department of Electrical and Computer Engineering, Rutgers University, Piscataway, NJ 08854-8058, USA.) |
| Abstract | Noninvasive examination of live cell function in real-time is essential in advancing the understanding of the dynamic progression of cell's biological processes. We present a dynamic and noninvasive method of monitoring the adhesion and proliferation of bovine aortic endothelial cells (BAEC) using a ZnO nanostructure-modified quartz crystal microbalance (ZnOnano-QCM) biosensor. The ZnOnano-QCM biosensor consists of a conventional QCM with ZnO nanostructures directly grown on its sensing electrode deployed in-situ of a standard cell culture environment. Cell adhesion to the ZnO surfaces with various morphologies is studied and the optimal morphology is chosen for the BAEC adhesion. The ZnOnano-QCM biosensor displays enhanced sensitivity compared to the standard QCM sensor with ~10 times higher frequency shift and motional inductance, and ~4 times higher measured motional resistance at full confluency. The dynamic motional resistance and inductance relating to the cells' viscoelastic properties during growth are extracted from the measured time-evolving acoustic spectra. The Butterworth-Van-Dyck (BVD) model is adapted for the ZnOnano-QCM biosensor system and is used to correlate the measured time-evolving acoustic spectra with the motional characteristics of cell attachment and proliferation. |
| ISSN | 09565663 |
| Volume Number | 41 |
| e-ISSN | 18734235 |
| Journal | Biosensors and Bioelectronics |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2013-03-15 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Biosensing Techniques Instrumentation Conductometry Endothelial Cells Physiology Micro-electrical-mechanical Systems Nanostructures Chemistry Nanotechnology Zinc Oxide Animals Cattle Cell Adhesion Cell Proliferation Cells, Cultured Electrodes Equipment Design Equipment Failure Analysis Ultrastructure Reproducibility Of Results Sensitivity And Specificity Journal Article Discipline Biotechnology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Nanoscience and Nanotechnology Medicine Biophysics Biomedical Engineering Biotechnology Electrochemistry |
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