Journal
BIOMEDICAL OPTICS EXPRESS
Volume 1, Issue 5, Pages 1347-1357Publisher
OPTICAL SOC AMER
DOI: 10.1364/BOE.1.001347
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Funding
- NRC-NSC-ITRI Canada-Taiwan
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We demonstrate the utility of multimodal coherent anti-Stokes Raman scattering (CARS) microscopy for the study of structured condensed carbohydrate systems. Simultaneous second-harmonic generation (SHG) and spectrally-scanned CARS microscopy was used to elucidate structure, alignment, and density in cellulose cotton fibers and in starch grains undergoing rapid heat-moisture swelling. Our results suggest that CARS response of the O-H stretch region (3000 cm(-1)-3400 cm(-1)), together with the commonly-measured C-H stretch (2750 cm(-1)-2970 cm(-1)) and SHG provide potentially important structural information and contrast in these materials. (C) 2010 Optical Society of America
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