Advanced Materials Volume 21 Issue 5, Pages 569 - 572
| Yuanjin Zhao 1, Xiangwei Zhao 1, Jing Hu 1, Ming Xu 1, Wenju Zhao 1, Liguo Sun 1, Cun Zhu 1, Hua Xu 1, Zhongze Gu 1 2 * |
1State Key Laboratory of Bioelectronics Southeast University Nanjing 210096 (P.R. China)
2Laboratory of Environment and Biosafety Research Institute of Southeast University in Suzhou Suzhou 215123(P.R. China)
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| email: Zhongze Gu (gu@seu.edu.cn) |
*Correspondence to Zhongze Gu, State Key Laboratory of Bioelectronics Southeast University Nanjing 210096 (P.R. China).
Funded by:
Ministry of Science and Technology; Grant Number: 2006AA03Z331
National Science Foundation of China; Grant Number: 20573018, 60121101, 20703010
Jiangsu Natural Science Foundation; Grant Number: BK2008318
| Opals • Inverse opaline photonic bead • Label-free assay • Suspension array • Tumor marker |
Inverse-opaline photonic beads are used as the elements of a suspension array for label-free multiplex immunoassays. As in the case of tumor-marker detection, specific binding of tumor markers on the pore surfaces of the beads results in a shift in the diffraction-peak position, which can be used for quantitatively estimating the amount of bound tumor marker.
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