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Crystalline water at room temperature - Under water and in air

机译：室温下的结晶水-水下和空气中

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In a visionary work published in 1971, Albert Szent-Gyorgyi predicted that crystalline interfacial water layers would play a fundamental role in biological processes and evolution. However, interfacial water layers are so sensitive to observation that they have never been imaged on relevant surfaces, so far. Here we show that crystalline interfacial water layers prevail at room temperature on both hydrophilic and hydrophobic surfaces - in ambient air and subaquatically. We probe the interfacial water layers by monitoring the resonance frequency responses of quartz crystal microbalance sensors to their irradiation with 633 and 670 nm lasers. Our results are consistent with the fractional picture of confined water, previously explored by atomic force microscopy, near-field scanning optical microscopy, and atomic force acoustic microscopy. Since we provide both structural information and quantitative data on the thickness of interfacial water layers, our approach promises progress in biomedicine and life sciences.
机译：在1971年发表的一项有远见的工作中，阿尔伯特·圣安特·乔奇（Albert Szent-Gyorgyi）预测，晶体界面水层将在生物过程和演化中发挥根本作用。但是，界面水层对观察是如此敏感，以至于迄今为止它们从未在相关表面上成像。在这里，我们显示出结晶的界面水层在室温下普遍存在于亲水性和疏水性表面上-在环境空气中和亚水相中。我们通过监测石英晶体微量天平传感器对633和670 nm激光照射的共振频率响应来探查界面水层。我们的结果与先前通过原子力显微镜，近场扫描光学显微镜和原子力声学显微镜探索的承压水的分数图一致。由于我们提供有关界面水层厚度的结构信息和定量数据，因此我们的方法有望在生物医学和生命科学方面取得进展。

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