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(a) An embodiment of the experimental arrangement used for the PA measurements. (b) An illustration of the illuminated region containing either the SRBCs or the HRBCs.
(a) A representative waveform generated by the SRBCs at 40% hematocrit for 532 nm incident optical radiation. The filtered signal corresponding to the gated region (denoted by two dashed vertical lines) is presented in the inset. (b) Same as (a) but for the HRBCs at the same level of hematocrit.
(a) An illustrative trace of a PA signal emitted by the SRBCs at 40% hematocrit when excited by 1064 nm laser beam. The inset elaborates the filtered signal corresponding to the gated region (indicated by two dashed vertical lines). (b) Same as (a) but for the HRBCs at the same level of hematocrit.
(a) The variation of the peak PA amplitude (mean ± SD) with hematocrit for 532 nm input laser. (b) Same as (a) but for 1064 nm irradiating beam.
The absorption spectrum for the SRBCs and the HRBCs at hematocrits of about 0.5% in (a) and 5% in (b).
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