Chemical sensing and imaging with metallic nanorods Export

@article{citeulike:3580930, abstract = {In this Feature Article, we examine recent advances in chemical analyte detection and optical imaging applications using gold and silver nanoparticles, with a primary focus on our own work. Noble metal nanoparticles have exciting physical and chemical properties that are entirely different from the bulk. For chemical sensing and imaging, the optical properties of metallic nanoparticles provide a wide range of opportunities, all of which ultimately arise from the collective oscillations of conduction band electrons ("plasmons") in response to external electromagnetic radiation. Nanorods have multiple plasmon bands compared to nanospheres. We identify four optical sensing and imaging modalities for metallic nanoparticles: (1) aggregation-dependent shifts in plasmon frequency; (2) local refractive index-dependent shifts in plasmon frequency; (3) inelastic (surface-enhanced Raman) light scattering; and (4) elastic (Rayleigh) light scattering. The surface chemistry of the nanoparticles must be tunable to create chemical specificity, and is a key requirement for successful sensing and imaging platforms.}, author = {Murphy, Catherine J. and Gole, Anand M. and Hunyadi, Simona E. and Stone, John W. and Sisco, Patrick N. and Alkilany, Alaaldin and Kinard, Brian E. and Hankins, Patrick}, citeulike-article-id = {3580930}, citeulike-linkout-0 = {http://dx.doi.org/10.1039/b711069c}, citeulike-linkout-1 = {http://view.ncbi.nlm.nih.gov/pubmed/18209787}, citeulike-linkout-2 = {http://www.hubmed.org/display.cgi?uids=18209787}, citeulike-linkout-3 = {http://www.rsc.org/Publishing/Journals/article.asp?doi=b711069c}, day = {7}, doi = {10.1039/b711069c}, issn = {1359-7345}, journal = {Chem. Commun.}, keywords = {au, nanoparticle, nanorod}, month = {February}, number = {5}, pages = {544--557}, posted-at = {2008-11-20 04:22:32}, priority = {2}, publisher = {The Royal Society of Chemistry}, title = {Chemical sensing and imaging with metallic nanorods}, url = {http://dx.doi.org/10.1039/b711069c}, year = {2008} }

TY - JOUR ID - citeulike:3580930 L3 - citeulike-article-id:3580930 N2 - In this Feature Article, we examine recent advances in chemical analyte detection and optical imaging applications using gold and silver nanoparticles, with a primary focus on our own work. Noble metal nanoparticles have exciting physical and chemical properties that are entirely different from the bulk. For chemical sensing and imaging, the optical properties of metallic nanoparticles provide a wide range of opportunities, all of which ultimately arise from the collective oscillations of conduction band electrons ("plasmons") in response to external electromagnetic radiation. Nanorods have multiple plasmon bands compared to nanospheres. We identify four optical sensing and imaging modalities for metallic nanoparticles: (1) aggregation-dependent shifts in plasmon frequency; (2) local refractive index-dependent shifts in plasmon frequency; (3) inelastic (surface-enhanced Raman) light scattering; and (4) elastic (Rayleigh) light scattering. The surface chemistry of the nanoparticles must be tunable to create chemical specificity, and is a key requirement for successful sensing and imaging platforms. IS - 5 JF - Chem. Commun. SN - 1359-7345 EP - 557 TI - Chemical sensing and imaging with metallic nanorods PB - The Royal Society of Chemistry SP - 544 KW - au KW - nanoparticle KW - nanorod AU - Murphy, Catherine AU - Gole, Anand AU - Hunyadi, Simona AU - Stone, John AU - Sisco, Patrick AU - Alkilany, Alaaldin AU - Kinard, Brian AU - Hankins, Patrick PY - 2008/02/07/ UR - http://dx.doi.org/10.1039/b711069c ER -