CAS OpenIR  > 中科院上海应用物理研究所2004-2010年
A Gold Nanoparticle-Based Microfluidic Protein Chip for Tumor Markers
Yan, J; Pan, D; Zhu, CF; Wang, LH(王丽华); Song, SP(宋世平); Fan, CH(樊春海)
2009
Conference Name6th International Conference on Nanoscience and Technology
Source PublicationJOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
Pages1194
Conference DateJUN 04-06, 2007
Conference PlaceBeijing, PEOPLES R CHINA
AbstractA cancer protein chip has been developed incorporating with signal amplification technology based on gold nanoparticles (AuNPs) and microfluidic technology. The chip was a reversed phase one that deposited the target proteins directly onto chip surface. At first, a tumor marker protein, carcinoma embryonic antigen (CEA), was captured on the chip with the help of first layer microfluidic channel. Then, monoclonal antibody was reacted with the CEA through the second layer microfluidic channel at upright direction against the first layer. In the end, AuNPs labeled secondary antibody and silver enhancement regent were added to creating positive or negative signals in crossed areas, depending on the amounts of tumor marker protein. Using the protein chip based on nanotechnology, we could detect CEA at a wide range of concentration (5-50000 ng/mL) and also had high sensitivity (LOD < 1 pM). Because of its quick detection procedure and no need for high-cost instruments, the protein chip showed potential use for point-of-care (POC) diagnostics.
ISSN1533-4880
Indexed BySCI
Funding Project应物所课题组
Language英语
Document Type会议论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/8811
Collection中科院上海应用物理研究所2004-2010年
Recommended Citation
GB/T 7714
Yan, J,Pan, D,Zhu, CF,et al. A Gold Nanoparticle-Based Microfluidic Protein Chip for Tumor Markers[C],2009:1194.
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