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

Authors
Lee, KyuminJeoung, KiyoungLee, Dong-KyuJi, Young BinSeo, MinahHuh, Yong-MinSuh, Jin-SuckOh, Seung Jae
Issue Date
2018-09
Publisher
ELSEVIER
Citation
INFRARED PHYSICS & TECHNOLOGY, v.93, pp.154 - 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 10(13), 4 x 10(13), 6 x 10(13), and 8 x 10(13) particles/cm(2) 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 x 10(13) particles/cm(2). Crystallinity breaking and molecular structure change by proton irradiation was reaffirmed using X-ray diffraction (XRD) and Fourier transform infrared (FTIR) spectroscopy.
Keywords
TIME-DOMAIN SPECTROSCOPY; RADIATION; TIME-DOMAIN SPECTROSCOPY; RADIATION; Terahertz spectroscopy; Glucose; Proton beam; Infrared spectroscopy; X-ray diffraction spectroscopy
ISSN
1350-4495
URI
https://pubs.kist.re.kr/handle/201004/120957
DOI
10.1016/j.infrared.2018.07.001
Appears in Collections:
KIST Article > 2018
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