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Applications of Oblique-Incidence Reflectivity Difference Method in Primary Study of Protein Biomolecules 下载免费PDF全文
Oblique-incidence reflectivity difference (OI-RD) analysis is applied to detect the immunoglobulin-G and cytochrome biomolecules on standard glass substrates without fluorescence labelling. The OI-RD intensities not only depend on the protein structure, but also vary with the protein concentration. The results indicate that this method should have potential applications in detection of biochemical processes. 相似文献
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Real time detection of antibody-antigen interaction using a laser scanning confocal imaging-surface plasmon resonance system 总被引:1,自引:0,他引:1 下载免费PDF全文
A laser scanning confocal imaging-surface plasmon resonance (LSCI-SPR) instrument integrated with a wavelength-dependent surface plasmon resonance (SPR) sensor and a laser scanning confocal microscopy (LSCM) is built to detect the bonding process of human IgG and fluorescent-labeled affinity purified antibodies in real time. The shifts of resonant wavelength at different reaction time stages are obtained by SPR, corresponding well with the changes of the fluorescence intensity collected by using LSCM. The instrument shows the merits of the combination and complementation of the SPR and LSCM, with such advantages as quantificational analysis, high spatial resolution and real time monitor, which are of great importance for practical applications in biosensor and life science. 相似文献
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血糖无创监测中近红外漫反射光谱技术的研究 总被引:1,自引:0,他引:1
将近红外漫反射光谱技术应用到血糖无创监测中。实验使用Nexus-870傅里叶红外光谱仪及其光纤附件采集了6名不同年龄健康志愿受试者大拇指指尖的近红外漫反射光谱。对光谱进行了平滑、基线校正和一次求导预处理,采用偏最小二乘(PLS)方法在含有葡萄糖吸收峰的7500~8500cm ^1波段建立同一个体、相同年龄段的不同个体以及不同年龄段的不同个体的校正模型。采集漫反射光谱的同时抽适量的血样在’752型紫外光栅分光光度计上标定血糖的实际值,并对校正模型计算值和实际标定值进行了比较,结果表明个体建模的相关性很好,相关系数达到0.90471以上,均方差小于0.171。 相似文献
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Detection of microarray protein biomolecules by oblique-incidence reflectivity difference technique without labelling agents 下载免费PDF全文
This paper reports that the detection to the protein in microarray format is carried out by oblique-incidence reflectivity difference (OI-RD) analysis without any labelling agents. The OI-RD intensities not only depend on the protein structure, but also vary with the protein concentration. The results indicate that this method should have potential application in detection of biochemical processes. The high throughout and in situ detection can be achieved by this method with further improving of the experimental system. 相似文献
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