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240122s2024 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.3c02961
|2 doi
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|a pubmed25n1224.xml
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|a (DE-627)NLM367423812
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|a (NLM)38251884
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Yu, Miao
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Hyaluronic Acid Unveiled
|b Exploring the Nanomechanics and Water Retention Properties at the Single-Molecule Level
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 07.02.2024
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|a Date Revised 15.02.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Hyaluronic acid (HA), a vital glycosaminoglycan in living organisms, possesses remarkable mechanical and viscoelastic properties that have garnered significant attention in therapeutic, biomedical, and cosmetic applications. However, a comprehensive picture of the physicochemical and biocharacterization of HA at the single-molecule level remains elusive. In this work, atomic force microscopy (AFM)-based single-molecule force spectroscopy (SMFS) and molecular dynamics (MD) simulation were used to investigate the nanomechanics and water retention properties of HA at the single-molecule level. The present study aims to unravel the intricate details of the influence of molecular structure on HA behavior and shed light on its unique attributes. According to the force measurements, the energy used to stretch a HA chain in water is 8.45 kJ/mol, significantly surpassing that of Curdlan (3.45 kJ/mol) and chitin (2.23 kJ/mol), both of which possess molecular structures partially similar to that of HA. Intriguingly, the strength of the intrachain interaction of HA (5.54 kJ/mol) was considerably weaker compared to Curdlan (11.06 kJ/mol) and chitin (or cellulose, 10.76 kJ/mol). This result indicates that HA exhibits a preference for interacting with water rather than with itself, thereby showing enhanced water affinity. Moreover, the force measurements demonstrated that changing the glycosidic bond from β-(1-3) (Curdlan) or β-(1-4) (chitin or cellulose) to β-(1-3) + β-(1-4) (HA) resulted in polysaccharides displaying improved water affinity and more extended conformation. These conclusions were further verified by molecular dynamics (MD) simulations. Overall, our work sheds new light on the nanomechanics and water retention properties of HA at the single-molecule level, offering valuable insights for future research in this field
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Hyaluronic Acid
|2 NLM
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|a 9004-61-9
|2 NLM
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|a Cellulose
|2 NLM
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|a 9004-34-6
|2 NLM
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|a Water
|2 NLM
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| 650 |
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|a 059QF0KO0R
|2 NLM
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| 650 |
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|a Chitin
|2 NLM
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| 650 |
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|a 1398-61-4
|2 NLM
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| 700 |
1 |
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|a Guo, Xin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Kai
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kang, Xiaomin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Song
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Qian, Lu
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1985
|g 40(2024), 5 vom: 06. Feb., Seite 2616-2623
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnas
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| 773 |
1 |
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|g volume:40
|g year:2024
|g number:5
|g day:06
|g month:02
|g pages:2616-2623
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|u http://dx.doi.org/10.1021/acs.langmuir.3c02961
|3 Volltext
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