Endoscopic Raman Spectroscopy for Molecular Fingerprinting of Gastric Cancer: Principle to Implementation

Figure 5

Schematic of the image-guided Raman endoscopy system for in vivo tissue Raman measurements during clinical gastroscopy. WLR, white light reflectance; AFI, autofluorescence imaging; NBI, narrow-band imaging (adopted from Huang et al. Biosens Bioelectron 2010; 26: 383–389) [30].