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1 May 2001 Time-resolved Detection of Singlet Oxygen in a Transmission Microscope
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Abstract

The time-resolved absorption spectrum of singlet oxygen [O2(a1Δg) → O2(b1Σg )] has been recorded in the region ∼5100–5300 cm−1 from air-saturated polystyrene samples using a microscope attached to a step-scan Fourier transform IR spectrometer. Singlet oxygen signals were observed with a time resolution of ∼160 ns from sample volumes of ∼20 nL using moderate data-acquisition times. These data indicate that it is reasonable and worthwhile to consider the further development of a transmission microscope as a viable tool to create singlet oxygen images of inhomogeneous samples including samples of biological importance.

Lars Klembt Andersen and Peter R. Ogilby "Time-resolved Detection of Singlet Oxygen in a Transmission Microscope," Photochemistry and Photobiology 73(5), 489-492, (1 May 2001). https://doi.org/10.1562/0031-8655(2001)073<0489:TRDOSO>2.0.CO;2
Received: 25 October 2000; Accepted: 1 February 2001; Published: 1 May 2001
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