激光与光电子学进展, 2019, 56 (6): 062601, 网络出版: 2019-07-30
基于量子点荧光猝灭法的蛋白质检测芯片 下载: 1110次
Protein Detection Chip Based on Quantum Dot Fluorescence Quenching Method
图 & 表
图 1. 蛋白质芯片检测原理。 (a)芯片结构;(b)检测原理
Fig. 1. Principle of protein-chip detection. (a) Chip structure; (b) detection principle
图 2. 实验装置。(a)示意图;(b)样机图片
Fig. 2. Experimental setup. (a) Block diagram; (b) prototype photo
图 4. 经硅烷偶联剂(APTES)修饰的玻璃片的傅里叶红外光谱
Fig. 4. Infrared Fourier transform spectrum of glass substrate modified by APTES
图 5. 纳米量子点生物芯片阵列。 (a)表面,插图为阵列单元照片;(b)荧光,插图为荧光图片
Fig. 5. Nanometer quantum dot biochip array. (a) Surface, the inset is an array unit photo; (b) fluorescence, the inset is a fluorescent image
图 6. 纳米量子点生物芯片阵列单元。(a)~(c)照片;(d)~(f)结合抗体后的荧光图片;(g)~(i)在抗体基底上再结合抗原的荧光图片
Fig. 6. Nanometer quantum dot biochip array unit. (a)-(c) Photos; (d)-(f) fluorescent images after binding antibodies; (g)-(i) fluorescent images after binding antigens on antibody substrate
表 1不同抗原质量浓度下的荧光猝灭程度
Table1. Fluorescence quenchingdegrees under different antigen concentrations
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彭嫚, 白忠臣, 张莹, 黎显继, 张正平. 基于量子点荧光猝灭法的蛋白质检测芯片[J]. 激光与光电子学进展, 2019, 56(6): 062601. Man Peng, Zhongchen Bai, Ying Zhang, Xianji Li, Zhengping Zhang. Protein Detection Chip Based on Quantum Dot Fluorescence Quenching Method[J]. Laser & Optoelectronics Progress, 2019, 56(6): 062601.