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|Author(s):||Elissa H. Williams; John A. Schreifels; Mulpuri V. Rao; Albert Davydov; Vladimir P. Oleshko; Nancy J. Lin; Kristen L. Steffens; Sergiy Krylyuk; Kristine A. Bertness; Amy Manocchi; Yaroslav Koshka;|
|Title:||Selective Streptavidin Bioconjugation on Si and SiC nanowires for Biosensor Applications.|
|Published:||January 14, 2013|
|Abstract:||A functionalization method for the specific and selective immobilization of the streptavidin (SA) protein on semiconductor nanowires (NWs) was developed. Silicon (Si) and silicon carbide (SiC) NWs were functionalized with 3-aminopropyltriethoxysilane (APTES) and subsequently biotinylated for the conjugation of SA. Field-emission scanning electron microscopy (FESEM), X-ray photoelectron spectroscopy (XPS), high-resolution transmission electron microscopy (HRTEM), atomic force microscopy (AFM), and fluorescence microscopy were utilized to study each functionalization step on the Si and SiC NWs.|
|Citation:||Journal of Materials Research|
|Pages:||pp. 68 - 77|
|Keywords:||biosensor, nanowires, surface chemistry|
|Research Areas:||Nanowires, Nanomaterials, Thin-Films|
|DOI:||http://dx.doi.org/10.1557/jmr.2012.283 (Note: May link to a non-U.S. Government webpage)|