Calibration of dynamic molecular rule based on plasmon coupling between gold nanoparticles
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作者:
Reinhard, BM
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机构:Univ Calif Berkeley, Dept Phys, Biophys Grad Program, Berkeley, CA 94720 USA
Reinhard, BM
Siu, M
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机构:Univ Calif Berkeley, Dept Phys, Biophys Grad Program, Berkeley, CA 94720 USA
Siu, M
Agarwal, H
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机构:Univ Calif Berkeley, Dept Phys, Biophys Grad Program, Berkeley, CA 94720 USA
Agarwal, H
Alivisatos, AP
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机构:Univ Calif Berkeley, Dept Phys, Biophys Grad Program, Berkeley, CA 94720 USA
Alivisatos, AP
Liphardt, J
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Univ Calif Berkeley, Dept Phys, Biophys Grad Program, Berkeley, CA 94720 USAUniv Calif Berkeley, Dept Phys, Biophys Grad Program, Berkeley, CA 94720 USA
Liphardt, J
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机构:
[1] Univ Calif Berkeley, Dept Phys, Biophys Grad Program, Berkeley, CA 94720 USA
[2] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA
[3] Lawrence Berkeley Natl Lab, Phys Biosci Div, Berkeley, CA 94720 USA
[4] Lawrence Berkeley Natl Lab, Div Mat Sci, Berkeley, CA 94720 USA
Pairs of noble metal nanoparticles can be used to measure distances via the distance dependence of their plasmon coupling. These "plasmon rulers" offer exceptional photostability and brightness; however, the advantages and limitations of this approach remain to be explored. Here we report detailed plasmon peak versus separation calibration curves for 42- and 87-nm-diameter particle pairs, determine their measurement errors, and describe experimental procedures to improve their performance in biology, nanotechnology, and materials sciences.