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Water activity and pseudo-activity coefficient of sorbed water
Journal of Food Engineering, 1990Abstract The sorption isotherm can be represented by a plot of the logarithm of a pseudo-activity coefficient log f′ = loga w − log W against W, the weight of water per 100 g of dried substance. This plot demonstrates the polyphasic behaviour of the system. With reference to the curve for a w = 1, the chemical potentials Δμ Φ for the first
BRAIBANTI, Antonio +2 more
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Water Activation for Boosting Electrochemiluminescence
Angewandte Chemie International Edition, 2023AbstractIn conventional luminol electrochemiluminescence (ECL) systems, hydrogen peroxide and dissolved oxygen are employed as typical co‐reactants to produce reactive oxygen species (ROS) for efficient ECL emission. However, the self‐decomposition of hydrogen peroxide and limited solubility of oxygen in water inevitably restrict the detection accuracy
Mengzhen Xi +10 more
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Comprehensively active condensed water from vapors of plasmon-activated water
Chemical Engineering Journal, 2021Abstract Water is the most environmentally friendly solvent, but bulk water is conventionally considered to be a bystander in reactions performed in it. For decades, scientists have been discussing the characteristics of water that differ from bulk water in special environments.
Shih-Hao Yu +4 more
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Solubility of water in hydrocarbons as a function of water activity
Talanta, 1968A method is described for determination of low solubilities of water in organic liquids (such as are used in solvent extraction) by vacuum distillation of a suitably sized equilibrated sample through magnesium perchlorate in a conventional weighing tube. Tritium tracer is used to estimate completeness of water absorption.
J W, Roddy, C F, Coleman
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Water Activity of Mammalian Tissues
Nature, 1958SINCE the original report by Sabbatani1 that the freezing-point depression of various dog tissues is on the average 150 per cent greater than that of blood, there has been continued interest in the possibility that intracellular fluid is hypertonic to extracellular fluid. Collip2, Leovey and Kerpel-Fronius3, Gomori and Molnar4, and Pichotka et al.
L H, MAFFLY, A, LEAF
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The Lancet, 1967
Abstract Water-loading experiments on normal young adults support the view that active water excretion by the kidneys helps to maintain the constancy of extracellular osmolality.
T L, Dormandy, A, Robinson, E D, Wright
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Abstract Water-loading experiments on normal young adults support the view that active water excretion by the kidneys helps to maintain the constancy of extracellular osmolality.
T L, Dormandy, A, Robinson, E D, Wright
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Photooxidant activity in natural waters
Environmental Toxicology and Chemistry, 1985Abstract After exposure to sunlight or laboratory UV light, sterilized water samples (or their reconstituted concentrates) from California and Hawaii oxidized several common environmental contaminants, including ethylenethiourea, thiobencarb, DDE and aldrin, which do not absorb ultraviolet radiation appreciably in the sunlight wavelength
Ronald D. Ross, Donald G. Crosby
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Antimicrobial activity of superoxidized water
Journal of Hospital Infection, 1996We tested the antimicrobial activity of superoxidized water against methicillin-sensitive Staphylococcus aureus, methicillin-resistant Staphylococcus aureus, Staphylococcus epidermidis, Serratia marcescens, Escherichia coli, Pseudomonas aeruginosa and Burkholderia cepacia. The number of bacteria was reduced below detection limit following incubation in
H, Tanaka +10 more
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