Plasmon based biosensor for distinguishing different peptides mutation states
Zaccaria, Remo Proietti
Di Fabrizio, Enzo M.
KAUST DepartmentBiological and Environmental Sciences and Engineering (BESE) Division
Material Science and Engineering Program
Physical Science and Engineering (PSE) Division
Online Publication Date2013-05-08
Print Publication Date2013-12
Permanent link to this recordhttp://hdl.handle.net/10754/325383
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AbstractPeriodic and reproducible gold nanocuboids with various matrix dimensions and with different inter-particle gaps were fabricated by means of top-down technique. Rhodamine 6G was used as a probe molecule to optimize the design and the fabrication of the cuboid nanostructures. The electric field distribution for the nanocuboids with varying matrix dimensions/inter-particle gap was also investigated. These SERS devices were employed as biosensors through the investigation of both myoglobin and wild/mutated peptides. The results demonstrate the probing and the screening of wild/mutated BRCA1 peptides, thus opening a path for the fabrication of simple and cheap SERS device capable of early detection of several diseases.
CitationDas G, Chirumamilla M, Toma A, Gopalakrishnan A, Zaccaria RP, et al. (2013) Plasmon based biosensor for distinguishing different peptides mutation states. Sci Rep 3. doi:10.1038/srep01792.
PubMed Central IDPMC3647166
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