主题：【已应助】急需此三篇文献，不胜感激！

【序号】：1
【作者】：Yanxia Li,*a  Yiting Chen,a  Lu Huang,a  Liang Ma,a  Qi Lina and  Guonan Chen*b
【题名】：A fluorescent sensor based onovalbumin-modified Au nanoclusters for sensitive detection of ascorbic acid
【期刊、年、卷、期、起止页码】：Anal. Methods, 2015,7, 4123-4129
【全文链接】http://pubs.rsc.org/en/content/articlelanding/2015/ay/c5ay00798d#!divAbstract

【序号】：2
【作者】：Feng J1, Ju Y1, Liu J1, Zhang H1, Chen X
【题名】：Polyethyleneimine-templated copper nanoclustersvia ascorbic acid reduction approach as ferric ion sensor
【期刊、年、卷、期、起止页码】：Anal Chim Acta. 2015 Jan 7;854:153-60
【全文链接】http://www.ncbi.nlm.nih.gov/pubmed/25479879
【序号】3
【作者】Xiu-Hua Yang, Jian Ling, , Jun Peng, Qiu-ECao, , Lei Wang, Zhong-Tao Ding, Jie Xiong
【题名】Catalytic formation of silver nanoparticlesby bovine serum albumin protected-silver nanoclusters and its application forcolorimetric detection of ascorbic acid
【期刊、年、卷、期、起止页码】Spectrochimica Acta Part A: Molecular andBiomolecular Spectroscopy Volume 106, April 2013, Pages 224–230
【全文链接】http://www.sciencedirect.com/science/article/pii/S1386142513000164