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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Hou, Sen Qin, Ming Yang, Yanlian Yang, Kun Guan, Li Wang, Chen Feng, Xi-Zeng |
| Description | Author Affiliation: Hou S ( The Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Science, Nankai University, Tianjin 300071, PR China.) |
| Abstract | Controllable cell growth on poly(dimethylsiloxzne) (PDMS) surface is important for its potential applications in biodevices. Herein, we developed a fully biocompatible approach for patterning of cells on the PDMS surface by hydrophobin (HFBI) and collagen modification. HFBI and collagen were immobilized on the PDMS surface one after another by using copper grids as a mask. HFBI self-assembly on PDMS surface converted the PDMS surface from hydrophobic to hydrophilic, which facilitated the following immobilization of collagen. Collagen had admirable ability to support cell adhesion and growth. Consequently, the HFBI/collagen-modified PDMS surface could promote cell adhesion and growth. What is more, the native PDMS surface did not support cell adhesion and growth. Patterning of cells was achieved by directly culturing 293T cells (the human embryonic kidney cell line) on the PDMS surface patterned with HFBI/collagen. Further studies by means of gene transfection experiment in vitro showed that the patterned cells were of good bioactivities. Herein, the biocompatible preparation of cell patterns on the PDMS surface could be of many applications in biosensor device fabrication. |
| ISSN | 09565663 |
| Issue Number | 4 |
| Volume Number | 24 |
| e-ISSN | 18734235 |
| Journal | Biosensors and Bioelectronics |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2008-12-01 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Biocompatible Materials Chemistry Cell Culture Techniques Instrumentation Methods Collagen Metabolism Dimethylpolysiloxanes Fungal Proteins Kidney Physiology Cell Adhesion Cell Line Humans Protein Binding Surface Properties Journal Article Research Support, Non-u.s. Gov't Discipline Biotechnology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Nanoscience and Nanotechnology Medicine Biophysics Biomedical Engineering Biotechnology Electrochemistry |
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