-
57浏览
-
0点赞
-
0收藏
-
0分享
-
80下载
-
0评论
-
引用
期刊论文
Carboxylated magnetic microbead-assisted fluoroimmunoassay for early biomarkers of acute myocardial infarction
Colloids and Surfaces B: Biointerfaces 72 (2009) 112-120,-0001,():
A carboxylated superparamagnetic microbead-assisted sandwich fluoroimmunoassay was successfully demonstrated for the analysis of the early protein markers, myoglobin and human heart-type fatty acidbinding protein (H-FABP), associated with acute myocardial infarction. This assay approach consisted of the preparation of superparamagnetic polymer microbeads using a dispersion polymerization, followed by grafting of capture antibodies (monoclonal anti-H-FABP 10E1 and anti-myoglobin 7C3) onto the polymer microbeads using EDC-NHS protocol, and then a sequential sandwich fluoroimmunoassay using detection antibodies (FITC-labeled anti-H-FABP 9F3 and FITC-labeled anti-myoglobin 4E2). The Fe3O4 nanoparticles and carboxylated Fe3O4-polymer microbeads were characterized by scanning electron microscopy, transmission electron microscopy, Fourier transform infrared spectrophotometry, vibrating sample magnetometry, and X-ray diffraction. The fluoroimmunoassay images were recorded using a confocal laser-scanning microscope, and the average fluorescence intensity of the microbeads was found to correspond to the concentration of each cardiac marker, in agreement with the results obtained by a spectrofluorophotometer. The carboxylated magnetic microbead-assisted protocol could be utilized to semi-quantitatively detect both myoglobin and H-FABP.
【免责声明】以下全部内容由[童德文]上传于[2010年05月24日 15时49分11秒],版权归原创者所有。本文仅代表作者本人观点,与本网站无关。本网站对文中陈述、观点判断保持中立,不对所包含内容的准确性、可靠性或完整性提供任何明示或暗示的保证。请读者仅作参考,并请自行承担全部责任。
本学者其他成果
同领域成果