主题：【已应助】求助文献4篇，谢谢。

【序号】： 1
【作者】： Gufeng Wang and Robert J. Lipert , Maneesh Jain, Sukhwinder Kaur, Subhankar Chakraboty, Maria P. Torres, and Surinder K. Batra , Randall E. Brand , Marc D. Porter
【题名】： Detection of the Potential Pancreatic Cancer Marker MUC4 in Serum Using Surface-Enhanced Raman Scattering
【期刊】： analytical chemisry
【年、卷、期、起止页码】：
【全文链接】：http://pubs.acs.org/doi/abs/10.1021/ac102829b

【序号】： 2
【作者】： Chenghua Zong, Kelong Ai, Guo Zhang, Hongwei Li, and Lehui Lu
【题名】： Dual-Emission Fluorescent Silica Nanoparticle-Based Probe for Ultrasensitive Detection of Cu2+
【期刊】： analytical chemisry
【年、卷、期、起止页码】：
【全文链接】：http://pubs.acs.org/doi/abs/10.1021/ac2001324

【序号】： 3
【作者】： Balasubramanian Srinivasan, Yuanpeng Li, Ying Jing, Chengguo Xing, Joel Slaton, and Jian-Ping Wang
【题名】： A Three-Layer Competition-Based Giant Magnetoresistive Assay for Direct Quantification of Endoglin from Human Urine
【期刊】： analytical chemisry
【年、卷、期、起止页码】：
【全文链接】：http://pubs.acs.org/doi/abs/10.1021/ac2005229

【序号】： 4
【作者】：Xiaoming Zhou, Yonghong Tang, and Da Xing
【题名】： One-Step Homogeneous Protein Detection Based on Aptamer Probe and Fluorescence Cross-Correlation Spectroscopy
【期刊】： analytical chemisry
【年、卷、期、起止页码】：
【全文链接】：http://pubs.acs.org/doi/abs/10.1021/ac1028648