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Chung, B. G., Manbachi, A., Saadi, W., Lin, F., Jeon, N. L., Khademhosseini, A. A Gradient-generating Microfluidic Device for Cell Biology. J. Vis. Exp. (7), e271, doi:10.3791/271 (2007).
그라디언트 생성 microfluidic 장치의 A.의 Microfabrication
B. 실험 설정
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세포가 높은 농도쪽으로 마이 그 레이션 microfluidic 장치에서 EGF의 안정적인 농도 기울기에 노출. 셀 마이 그 레이션, chemotactic 지수, 마이 그 레이션하는 세포의 운동성의 방향 방향은 셀 추적 분석에 의해 조사되었다. 따라서,이 그라디언트 생성 microfluidic 플랫폼은 암 전이, embryogenesis, 그리고 축삭지도를 공부하는 데 유용 수 있습니다.
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| Name | Type | Company | Catalog Number | Comments |
| Dextran-FITC | Reagent | Sigma-Aldrich | FD10S | Fluorescein isothiocyanate (FITC) conjugated-dextran (10kD) |
| hr-EGF | Invitrogen | 13247-051 | human recombinant Epidermal growth factor | |
| PDMS | K.R. Anderson Co. | 2065622 | Poly(dimethylsiloxane) (PDMS), Dow Corning Sylgard 184 (8.6 lb) | |
| Negative photoresist | MicroChem Corp. | SU-8 50 | ||
| Si wafer | silicone wafer, 4 inch | |||
| Petri dishes | ||||
| Polyethylene tubing | BD Biosciences | PE 20 | ||
| PBS | Invitrogen | |||
| Fibronectin | ||||
| NIH 3T3 | cell-line | fibroblast cells | ||
| Inverted microscope | Nikon Instruments | TE 2000 |
1. Jeon N.L., Baskaran H., Dertinger S.K.W., Whitesides G.M., Van de Water L., Toner M. Neutrophil chemotaxis in linear and complex gradients of interleukin-8 formed in a microfabricated device. Nat. Biotechnol. 20(8), 826-830 (2002)
2. Lin F., Nguyen C.M., Wang S.J., Saadi W., Gross S.P., Jeon N.L. Effective neutrophil chemotaxis is strongly influenced by mean IL-8 concentration. Biochem. Biophys. Res. Commun. 319(2), 576-581. (2004)
3. Chung B.G., Flanagan L.A., Rhee S.W., Schwartz P.H., Lee A.P., Monuki E.S., Jeon N.L. Human neural stem cell growth and differentiation in a gradient-generating microfluidic device. Lab Chip 5(4), 401-406 (2005)
4. Saadi W., Wang S.J, Lin F., Jeon N.L. A parallel-gradient microfluidic chamber for quantitative analysis of breast cancer cell chemotaxis. Biomed. Microdevices 8(2), 109-118 (2007)
5. Chung B.G., Park J.W., Hu J.S., Huang C., Monuki E.S., Jeon N.L. A hybrid microfluidic-vacuum device for interfacing with conventional cell culture platform. BMC Biotechnol., 7(1), 60 (2007)
I wanna try it on my cells. Can you give me some ready-to-use devices?
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ReplyPosted by: Grace C.April 21, 2009, 9:24 PM