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Capturing the freeze-drying dynamics of NaCl nanoparticles using THz spectroscopy
https://doi.org/10.24517/00053805
https://doi.org/10.24517/00053805bcbecfc3-beeb-43cc-866d-18612b67f09d
| 名前 / ファイル | ライセンス | アクション |
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FR-PR-SUMIKAMA-T-8b07828.pdf (2.1 MB)
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| Item type | 学術雑誌論文 / Journal Article(1) | |||||||
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| 公開日 | 2019-04-05 | |||||||
| タイトル | ||||||||
| タイトル | Capturing the freeze-drying dynamics of NaCl nanoparticles using THz spectroscopy | |||||||
| 言語 | ||||||||
| 言語 | eng | |||||||
| 資源タイプ | ||||||||
| 資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||||
| 資源タイプ | journal article | |||||||
| ID登録 | ||||||||
| ID登録 | 10.24517/00053805 | |||||||
| ID登録タイプ | JaLC | |||||||
| 著者 |
Ajito, Katsuhiro
× Ajito, Katsuhiro× Ueno, Yuko× Kim, Jae-Young× Sumikama, Takashi |
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| 著者別表示 |
炭竈, 享司
× 炭竈, 享司
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| 提供者所属 | ||||||||
| 内容記述タイプ | Other | |||||||
| 内容記述 | 金沢大学新学術創成研究機構ナノ生命科学研究所 | |||||||
| 書誌情報 |
Journal of the American Chemical Society 巻 140, 号 42, p. 13793-13797, 発行日 2018-10-12 |
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| ISSN | ||||||||
| 収録物識別子タイプ | ISSN | |||||||
| 収録物識別子 | 0002-7863 | |||||||
| NCID | ||||||||
| 収録物識別子タイプ | NCID | |||||||
| 収録物識別子 | AA00692602 | |||||||
| DOI | ||||||||
| 関連タイプ | isVersionOf | |||||||
| 識別子タイプ | DOI | |||||||
| 関連識別子 | 10.1021/jacs.8b07828 | |||||||
| 出版者 | ||||||||
| 出版者 | American Chemical Society | |||||||
| 抄録 | ||||||||
| 内容記述タイプ | Abstract | |||||||
| 内容記述 | Sodium chloride (NaCl) aqueous solution becomes NaCl hydrate, NaCl·2H2O, at low temperature, which is different from potassium chloride and is a typical complex model for studying the freeze-drying process in foods and pharmaceuticals. Here, we detected unit-cell-sized NaCl particles in ice as precursor substances of NaCl·2H2O during freezing of NaCl solution by using terahertz (THz) spectroscopy. In the freezing process, Na+ and Cl– ions form two types of metastable unit-cell-sized NaCl particles on the pathway to the well-known NaCl·2H2O crystal production, which are not listed in the phase diagram of freezing of NaCl solution but have absorption peaks in THz spectra. This finding of single unit-cell-sized particles signifies the importance of studying the freeze-drying process in-depth and offers a new possibility for the development of freeze-drying technology for the manufacture of nanometer-sized particles such as ultrafine pharmaceutical powders, which more readily dissolve in water. | |||||||
| 内容記述 | ||||||||
| 内容記述タイプ | Other | |||||||
| 内容記述 | Embargo Period 12 months | |||||||
| 権利 | ||||||||
| 権利情報 | Copyright © 2018 American Chemical Society | |||||||
| 著者版フラグ | ||||||||
| 出版タイプ | AM | |||||||
| 出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||||
| 関連URI | ||||||||
| 識別子タイプ | URI | |||||||
| 関連識別子 | https://pubs.acs.org/doi/ipdf/10.1021/jacs.8b07828 | |||||||
| 関連名称 | https://pubs.acs.org/doi/ipdf/10.1021/jacs.8b07828 | |||||||
