Abstract
The droplet evaporation method (DEM) is increasingly used for assessing various characteristics of water. In our research we tried to use DEM to detect a possible self-ordering capability of (spring) water that would be similar to the already found and described autothixotropic phenomenon, namely increasing order of non-distilled water subject to aging. The output of DEM is a droplet remnant pattern (DRP). For analysis of DRP images we used a specially developed computer program that does the frequency distribution analysis of certain parameters of the images. The results of experiments demonstrated statistically significant differences in both aging of water as well as in the glass exposed surface/volume ratio of the aged water. The most important result supporting the self-ordering character of water was found in an increasing dependence between two analyzed parameters: distance and frequency, at the peak frequency. As the result concerns mostly aging and shows increasing order it further corroborates other findings concerning increasing order by aging. Such further confirmation of self-ordering capacity of water is not important only for physical chemistry, but also for biology.
Highlights
The supramolecular order of water, be it water clusters [1,2,3], coherent domains [4], exclusion zone water [5] and other similar phenomena is still controversial, despite various theoretical considerations and positive results obtained from numerous different experiments
The first result of the droplet evaporation method (DEM) is a representation of droplet remnant pattern (DRP)
The DRPs of the water used in the present study have typical forms, and are bluish in color—often revealing a “black-hole”-like center
Summary
The supramolecular order of water, be it water clusters [1,2,3], coherent domains [4], exclusion zone water [5] and other similar phenomena is still controversial, despite various theoretical considerations and positive results obtained from numerous different experiments. DRP originating from the UHD As with immersed wheat seeds demonstrated more complex and symmetrical formations than the control (DRP from water with immersed wheat seeds) This method is capable of transferring certain not yet fully understood or generally accepted subtle physical characteristics [15,16,17] of the solution to the remnant patterns after drop evaporation. From our experience with DEM on one hand and the already known self-ordering capacities of water solutions on the other [21], our working hypothesis was that both aging and surface contact would result in some sort of higher order of the DRPs. We designed a series of experiments that were intended to examine characteristics of water (via DRPs) one hour (th), one day (td), one week (tw) and one month (tm) after filling the vials with spring water of known origin and with well researched characteristics of its DRPs. For simultaneous testing of different surface/volume (S/V). Ratios one third of the vials were filled only with water (basic surface, S0), another third with large glass beads (larger surface area, S1) and the final third with smaller beads (yielding the largest surface area, S2)—for details see Experimental Section
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