Without requiring chelation by sensitizers, a method to detect lanthanides by multiphoton excitation is reported. This suggests the use of lanthanides as calcium analogues in multiphoton microscopy. The spectrum shows the normalized two-photon excitation emission spectra (λex = 796 nm) of Eu(3+) with a resolution of about 8 nm.
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| http://dx.doi.org/10.1002/1439-7641(20010417)2:4<247::AID-CPHC247>3.0.CO;2-G | DOI Listing |
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