Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleA sandwich substrate for ultrasensitive and label-free SERS spectroscopic detection of folic acid / methotrexate.AuthorsYang, Jing; Tan, Xuebin; Shih, Wei-Chuan; Cheng, MarkPublicationBiomedical Microdevices, 2014, Vol 16, Issue 5, p673ISSN1387-2176Publication typeArticleDOI10.1007/s10544-014-9871-3