CAS OpenIR  > 中科院上海应用物理研究所2004-2010年
THz spectra of hypoxanthine and inosine
Ma, XJ; Zhao, HW(赵红卫); Dai, B; Liu, GF(刘桂锋); Zhao, HW (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
2008
Source PublicationACTA PHYSICA SINICA
ISSN1000-3290
Volume57Issue:6Pages:3429
AbstractFar-infrared absorption spectra and refractive indices of hypoxanthine and inosine have been measured by terahertz time-domain spectroscopy (THz-TDS) in the frequency range of 0.3-1.6 THz at room temperature. The experimental results show that there is a distinct difference between the THz absorption spectra of hypoxanthine and inosine, which suggests that THz-TDS is highly sensitive to molecular structures and the components. Hartree-Fork calculation was used to optimize and simulate the THz spectra obtained by measurement. The low frequency vibrational mode at 1.4 THz of inosine is attributed to the swing and torsion between puirine and pentose rings according to the theoretical calculation. There is a linear relationship between the absorption intensity and the concentration of sample, which is consistent with Lambert-Beer's Law. Quantitative analysis of the components of mixtures of hypoxanthine and inosine was carried out by linear regression with non-negative constraint and the relative error was less than 7%. The sources of error were also discussed.
Subject AreaPhysics
Indexed BySCI
Language英语
Funding Project应物所项目组
WOS IDWOS:000256874600022
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/7866
Collection中科院上海应用物理研究所2004-2010年
Corresponding AuthorZhao, HW (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
Recommended Citation
GB/T 7714
Ma, XJ,Zhao, HW,Dai, B,et al. THz spectra of hypoxanthine and inosine[J]. ACTA PHYSICA SINICA,2008,57(6):3429.
APA Ma, XJ,Zhao, HW,Dai, B,Liu, GF,&Zhao, HW .(2008).THz spectra of hypoxanthine and inosine.ACTA PHYSICA SINICA,57(6),3429.
MLA Ma, XJ,et al."THz spectra of hypoxanthine and inosine".ACTA PHYSICA SINICA 57.6(2008):3429.
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