| Experimental and Theoretical Study of Carnosine in THz Range |
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| 作者姓名： | 闫海涛 王卫宁 |
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| 作者单位： | Department of Physics, Capital Normal University, Beijing 100037 |
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| 基金项目： | Supported by the National Natural Science Foundation of China under Grant No 10390160, the Science Foundation of Education Commission of Beijing under Grant No KM200410028004, and the Beijing Key Lab for Nano-Photonics and Nano-Structure. |
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| 摘 要： |
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| 关 键 词： | 肌肽 太赫 时间领域 聚乙烯 密度功能理论 |
| 收稿时间： | 2005-05-25 |
| 修稿时间： | 2005-05-25 |
Experimental and Theoretical Study of Carnosine in THz Range |
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| YAN Hai-Tao, WANG Wei-Ning.Experimental and Theoretical Study of Carnosine in THz Range[J].Chinese Physics Letters,2005,22(12):3179-3181. |
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| Authors: | YAN Hai-Tao WANG Wei-Ning |
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| Abstract: | The characteristic fingerprints of carnosine from 0.2 to 2.6 THz are first measured by terahertz time-domain spectroscopy at room temperature. For the pure carnosine, the refractive index varies between 1.79 and 1.85 with the average value 1.84, while for the carnosine-polyethylene mixture, four absorption peaks centred at 1.37, 1.56, 1.85 and 2.49 THz are detected. A comparison of the theoretical predictions using the density functional theory with the experimental results shows satisfactory agreement except somewhat blue shift. |
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