Amplification of chiroptical activity of chiral biomolecules by surface plasmons.
作者： Ben M. Maoz , Yulia Chaikin , Alexander B. Tesler , Omri Bar Elli , Zhiyuan Fan
DOI: 10.1021/NL304638A
关键词: Surface plasmon resonance 、 Surface plasmon 、 Plasmon 、 Nanotechnology 、 Materials science 、 Circular dichroism 、 Biosensor 、 Chirality (chemistry) 、 Biomolecule 、 Colloidal gold
摘要: Chiral molecules are shown to induce circular dichroism (CD) at surface plasmon resonances of gold nanostructures when in proximity the metal without direct bonding metal. By changing molecule-Au separation, we were able learn about mechanism plasmonic CD induction for such nanostructures. It was found that even two monolayers chiral can observable CD, while presence their own signal is unmeasurable. Hence, arrays could offer a route enhanced sensitivity chirality detection.
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Yuuka Kosaka, Kazutaka Egami, Satoshi Tomita, Hisao Yanagi, Plasmonic circular dichroism using Au fine particles and riboflavin Physica Status Solidi (c). ,vol. 9, pp. 2529- 2532 ,(2012) , 10.1002/PSSC.201200266
Ludmila Frolov, Andrew Dix, Yitzhak Tor, Alexander B. Tesler, Yulia Chaikin, Alexander Vaskevich, Israel Rubinstein, Direct Observation of Aminoglycoside–RNA Binding by Localized Surface Plasmon Resonance Spectroscopy Analytical Chemistry. ,vol. 85, pp. 2200- 2207 ,(2013) , 10.1021/AC3029079
Kacey Claborn, Christine Isborn, Werner Kaminsky, Bart Kahr, Optical rotation of achiral compounds. Angewandte Chemie. ,vol. 47, pp. 5706- 5717 ,(2008) , 10.1002/ANIE.200704559
Ofer Kedem, Alexander B. Tesler, Alexander Vaskevich, Israel Rubinstein, Sensitivity and optimization of localized surface plasmon resonance transducers. ACS Nano. ,vol. 5, pp. 748- 760 ,(2011) , 10.1021/NN102617D
Jeffrey N. Anker, W. Paige Hall, Olga Lyandres, Nilam C. Shah, Jing Zhao, Richard P. Van Duyne, Biosensing with plasmonic nanosensors Nature Materials. ,vol. 7, pp. 442- 453 ,(2008) , 10.1038/NMAT2162
Cyrille Gautier, Thomas Bürgi, Chiral N-isobutyryl-cysteine protected gold nanoparticles: preparation, size selection, and optical activity in the UV-vis and infrared. Journal of the American Chemical Society. ,vol. 128, pp. 11079- 11087 ,(2006) , 10.1021/JA058717F
Ben M. Maoz, Rob van der Weegen, Zhiyuan Fan, Alexander O. Govorov, George Ellestad, Nina Berova, E. W. Meijer, Gil Markovich, Plasmonic chiroptical response of silver nanoparticles interacting with chiral supramolecular assemblies. Journal of the American Chemical Society. ,vol. 134, pp. 17807- 17813 ,(2012) , 10.1021/JA309016K
Amanda J. Haes, Richard P. Van Duyne, A nanoscale optical biosensor: sensitivity and selectivity of an approach based on the localized surface plasmon resonance spectroscopy of triangular silver nanoparticles. Journal of the American Chemical Society. ,vol. 124, pp. 10596- 10604 ,(2002) , 10.1021/JA020393X
Tanya Karakouz, Ben M. Maoz, Gilad Lando, Alexander Vaskevich, Israel Rubinstein, Stabilization of Gold Nanoparticle Films on Glass by Thermal Embedding ACS Applied Materials & Interfaces. ,vol. 3, pp. 978- 987 ,(2011) , 10.1021/AM100878R
Yohji Shindo, On the problems of CD spectropolarimeter (IV) artifacts due to the light scattering by small particles Applied Spectroscopy. ,vol. 39, pp. 713- 715 ,(1985) , 10.1366/0003702854250374