期刊
COLLOIDS AND SURFACES B-BIOINTERFACES
卷 198, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.colsurfb.2020.111449
关键词
Protein adsorption; Cell adhesion; Hydration state; Intermediate water; Self-assembled monolayers; Blood compatibility; DNA; DSC; ATR-IR; AFM
资金
- JSPS [JP19H05721, JP20H05235, JP20H05210]
This review emphasizes the crucial role of water molecules in biointerfacial interactions, particularly the indicator function of intermediate water for the bioinertness of material surfaces. Analyzing the states of water can provide novel insights and help develop new experimental models for understanding protein adsorption in a wide range of materials, especially those used in biomedical applications.
Water molecules play a crucial role in biointerfacial interactions, including protein adsorption and desorption. To understand the role of water in the interaction of proteins and cells at biological interfaces, it is important to compare particular states of hydration water with various physicochemical properties of hydrated biomaterials. In this review, we discuss the fundamental concepts for determining the interactions of proteins and cells with hydrated materials along with selected examples corresponding to our recent studies, including poly(2-methoxyethyl acrylate) (PMEA), PMEA derivatives, and other biomaterials. The states of water were analyzed by differential scanning calorimetry, in situ attenuated total reflection infrared spectroscopy, and surface force measurements. We found that intermediate water which is loosely bound to a biomaterial, is a useful indicator of the bioinertness of material surfaces. This finding on intermediate water provides novel insights and helps develop novel experimental models for understanding protein adsorption in a wide range of materials, such as those used in biomedical applications.
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