Quantitative Analysis of Amino Acids in Dietary Supplements Using Terahertz Time-domain Spectroscopy
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- UENO Yuko
- NTT Microsystem Integration Laboratories, NTT Corporation
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- AJITO Katsuhiro
- NTT Microsystem Integration Laboratories, NTT Corporation
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- KUKUTSU Naoya
- NTT Microsystem Integration Laboratories, NTT Corporation
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- TAMECHIKA Emi
- NTT Microsystem Integration Laboratories, NTT Corporation
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We successfully analyzed the concentrations of five amino acids in commercially available dietary amino acid supplements by using terahertz time-domain spectroscopy (THz-TDS) with an error of ± 12% for the best reproduced components. We also succeeded in analyzing tablets of the supplements wrapped in paper, and thus showed the merit of using THz waves for the nondestructive quantitative analysis of packaged samples by employing the fact that THz waves are capable of passing through several types of packaging material. The ability of THz waves to pass through the paper made it possible to perform a quantitative analysis using the same standard spectra as those used for an unwrapped sample, and the accuracy of a direct quantitative analysis of a packaged sample was almost the same as that of an unwrapped sample.
収録刊行物
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- Analytical Sciences
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Analytical Sciences 27 (4), 351-, 2011
社団法人 日本分析化学会
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詳細情報 詳細情報について
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- CRID
- 1390001204260879360
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- NII論文ID
- 130004442002
- 10028203274
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- NII書誌ID
- AA10500785
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- ISSN
- 13482246
- 09106340
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- NDL書誌ID
- 11042029
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- Web Site
- https://ndlsearch.ndl.go.jp/books/R000000004-I11042029
- https://link.springer.com/content/pdf/10.2116/analsci.27.351.pdf
- https://link.springer.com/article/10.2116/analsci.27.351/fulltext.html
- http://www.jstage.jst.go.jp/article/analsci/27/4/27_4_351/_pdf
- https://search.jamas.or.jp/link/ui/2012060886
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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