Basic Study
Copyright ©The Author(s) 2018.
World J Gastroenterol. Aug 21, 2018; 24(31): 3531-3537
Published online Aug 21, 2018. doi: 10.3748/wjg.v24.i31.3531
Figure 1
Figure 1 Schematic of the acoustic resolution photoacoustic microscopy system (A) and photograph of the photoacoustic probe (B). P/R: Pulser/receiver; A: Preamplifier; T: Transducer, PC: Personal computer.
Figure 2
Figure 2 Photoacoustic image of a hair with a diameter of 80 μm. A: B-scan imaging. B: C-scan imaging.
Figure 3
Figure 3 Imaging of layer-by-layer structure of stomach wall.
Figure 4
Figure 4 Compared photoacoustic image with pathological photograph stained by hematoxylin-eosin staining for mucosa and submucosa of the tissue.
Figure 5
Figure 5 Photograph of the dissected stomach wall after imaging by photoacoustic microscopy (A) and photoacoustic imaging under surface of the tissue of 500 μm (red arrow indicate vessels) (B).
Figure 6
Figure 6 Photoacoustic imaging with laser wavelength of 700 nm for contrast agent with concentration of 12. 9 μM/mL in depth of 400 μm (A) and 2400 μm (B).