Water as a sensor of weak impacts on biological systems.

IF 5.4 3区 材料科学 Q2 CHEMISTRY, PHYSICAL
ACS Applied Energy Materials Pub Date : 2023-09-07 eCollection Date: 2023-10-01 DOI:10.1007/s12551-023-01120-2
Valentin I Lobyshev
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引用次数: 0

Abstract

A characteristic feature of weak impacts is the non-monotonic response of living organisms and model biological systems to monotonically decreasing impacts. The qualitative similarity of the effects caused by the different acting factors makes one think about the common cause of the observed effects, which is water. A comprehensive analysis of the actual composition of water indicates that water under normal conditions is a multicomponent open non-equilibrium system. Nanobubbles that are always present in water play a significant role in the properties of dilute aqueous solutions. When collapsed, they can produce active oxygen and nitrogen species that have a strong effect on biological systems. Significant non-monotonic changes in electrical conductivity found in a series of sequentially diluted solutions subjected to vigorous shaking after each dilution convincingly demonstrate the presence of chemical changes in the composition of aqueous solutions explained by mechanochemical processes. Similar changes were observed in water samples prepared in the same manner with vigorous shaking and dilution without the addition of any chemical compounds. The long-term evolution of the conductivity of such solutions depends on the chemical structure of the solutes.

水作为对生物系统影响微弱的传感器
弱冲击的一个特征是生物体和模式生物系统对单调递减的冲击的非单调响应。不同的作用因素所引起的效果在性质上的相似性,使人想到所观察到的效果的共同原因,那就是水。对水的实际组成的综合分析表明,正常条件下的水是一个多组分开放的非平衡体系。纳米气泡总是存在于水中,对稀水溶液的性质起着重要的作用。当崩塌时,它们可以产生对生物系统有强烈影响的活性氧和活性氮。在一系列连续稀释的溶液中发现了电导率的显著非单调变化,每次稀释后都要剧烈摇晃,这令人信服地证明了机械化学过程解释的水溶液组成中的化学变化的存在。在不添加任何化合物的情况下,用同样的方法用剧烈摇动和稀释制备的水样中也观察到类似的变化。这种溶液的导电性的长期演变取决于溶质的化学结构。
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来源期刊
ACS Applied Energy Materials
ACS Applied Energy Materials Materials Science-Materials Chemistry
CiteScore
10.30
自引率
6.20%
发文量
1368
期刊介绍: ACS Applied Energy Materials is an interdisciplinary journal publishing original research covering all aspects of materials, engineering, chemistry, physics and biology relevant to energy conversion and storage. The journal is devoted to reports of new and original experimental and theoretical research of an applied nature that integrate knowledge in the areas of materials, engineering, physics, bioscience, and chemistry into important energy applications.
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