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. 2013 Dec 5;4(1):36–46. doi: 10.7150/thno.7143

Fig 4.

Fig 4

Ex-vivo demonstration of IVPA monitored CW laser induced heating of SiO2AUNR within a human coronary artery. (A) IVUS/IVPA image obtained at 808 nm revealing the location of SiO2AuNR at 2 o'clock. Tick marks are spaced at 1 mm. (B) Maximum IVPA signal along the SiO2AuNR containing and control lines, indicated in A, versus time. The CW laser initially off (blue), then turned on to induce heating (red) and back off (blue). (C) Section of the IVPA A-line shown in green in part A which containing the SiO2AuNR inclusion, revealing the reversibly induced increase and shift in peak IVPA intensity during CW laser heating.