Study of molecular structure change of D- and L-glucose by proton irradiation using terahertz spectroscopy

Title
Study of molecular structure change of D- and L-glucose by proton irradiation using terahertz spectroscopy
Authors
서민아이동규이경민정기영지영빈허영민서진석오승재
Issue Date
2018-09
Publisher
Infrared physics & technology
Citation
VOL 93-157
Abstract
We investigated molecular structure change of d- and l-glucose by proton beam irradiation of 7.8  MeV, using terahertz time-domain spectroscopy. Both glucose pellets exposed to the irradiation of 1013, 4  ×  1013, 6  1013, and 8  1013  particles/cm2 of the particle’s fluence, were characterized using complex refractive indices in terahertz frequency region. We found that fingerprints of two types of glucose in terahertz frequency were disappeared above 8  particles/cm2. Crystallinity breaking and molecular structure change by proton irradiation was reaffirmed using X-ray diffraction (XRD) and Fourier transform infrared (FTIR) spectroscopy.
URI
http://pubs.kist.re.kr/handle/201004/67935
ISSN
1350-4495
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KIST Publication > Article
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