Adsorption of CMIT/MIT on the Model Pulmonary Surfactant Monolayers
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- Park Jinwoo
- Department of Chemical Engineering, School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST)
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- Ko Jina
- Department of Chemical Engineering, School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST)
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- Choi Siyoung Q.
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST) KAIST Institute for NanoCentury, Korea Advanced Institute of Science and Technology (KAIST)
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- Kim KyuHan
- Department of Chemical and Biomolecular Engineering, Seoul National University of Science and Technology (SeoulTech)
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- Lee Dong Woog
- Department of Chemical Engineering, School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST)
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<p>Polyhexamethylene guanidine (PHMG) is a guanidine-based chemical that has long been used as an antimicrobial agent. However, recently raised concerns regarding the pulmonary toxicity of PHMG in humans and aquatic organisms have led to research in this area. Along with PHMG, there are concerns about the safety of non-guanidine 5-chloro-2-methylisothiazol-3(2H)-one/2-methylisothiazol-3(2H)-one (CMIT/MIT) in human lungs; however, the safety of such chemicals can be affected by many factors, and it is difficult to rationalize their toxicity. In this study, we investigated the adsorption characteristics of CMIT/ MIT on a model pulmonary surfactant (lung surfactant, LS) using a Langmuir trough attached to a fluorescence microscope. Analysis of the π-A isotherms and lipid raft morphology revealed that CMIT/MIT exhibited minimal adsorption onto the LS monolayer deposited at the air/water interface. Meanwhile, PHMG showed clear signs of adsorption to LS, as manifested by the acceleration of the L o phase growth with increasing surface pressure. Consequently, in the presence of CMIT/MIT, the interfacial properties of the model LS monolayer exhibited significantly fewer changes than PHMG.</p>
収録刊行物
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- Journal of Oleo Science
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Journal of Oleo Science 73 (4), 437-444, 2024
公益社団法人 日本油化学会
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詳細情報 詳細情報について
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- CRID
- 1390018198841772544
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- NII書誌ID
- AA11503337
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- ISSN
- 13473352
- 13458957
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- NDL書誌ID
- 033472596
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- PubMed
- 38556278
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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
- Crossref
- PubMed
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- 抄録ライセンスフラグ
- 使用不可