Results 261 to 270 of about 1,276,993 (309)
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Abnormalities of Water Homeostasis in Aging
Endocrinology and Metabolism Clinics of North America, 2005Findley first proposed the presence of age-related dysfunction of the hypothalamic-neurohypophyseal-renal axis more than 50 years ago. His hypothesis was based on clinical observations and occurred well in advance of the first assays for arginine vasopressin.
Steven P, Hodak, Joseph G, Verbalis
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2023
In the special event of the Nature Water Talks series, we’ll talk to two researchers who strive to reach out to wide audiences. Fabio Pulizzi will ask Peter Gleick (author of "The three ages of water") and Giulio Boccaletti (author of "Water, a biography") about their vision for the future of water based on what we have learned from history, as well as
Peter Gleick, Giulio Boccaletti
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In the special event of the Nature Water Talks series, we’ll talk to two researchers who strive to reach out to wide audiences. Fabio Pulizzi will ask Peter Gleick (author of "The three ages of water") and Giulio Boccaletti (author of "Water, a biography") about their vision for the future of water based on what we have learned from history, as well as
Peter Gleick, Giulio Boccaletti
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Clinics in Geriatric Medicine, 1987
Having evolved from the sea and developed from an embryo, the species and the individual lose water--the medium and solvent wherein these processes occur--continually as they age. From an embryo, which is about 90% water, to a senescent individual in the tenth decade, there is a decline in body water to 60% or below.
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Having evolved from the sea and developed from an embryo, the species and the individual lose water--the medium and solvent wherein these processes occur--continually as they age. From an embryo, which is about 90% water, to a senescent individual in the tenth decade, there is a decline in body water to 60% or below.
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Fluorescence properties of Ag nanoparticles in water
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 2008Ag nanoparticles in water phase have been synthesized employing the electro-exploding wire technique. A surface plasmon peak is observed at 400nm, characteristic of the Ag nanoparticles. A fluorescence emission peak is recorded at 300nm for excitation wavelengths in two different ranges 215-230 and 255-280nm.
Om Parkash, Siwach, P, Sen
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Media Discourse on Aging Water Infrastructure
SSRN Electronic Journal, 2014Water infrastructure in the United States is aging. Budgetary constraints of federal, state and local governments have resulted in the delay or deferral of critically needed investments. Infrastructure failures such as water main breaks are a daily occurrence in many cities across the U.S.
Sridhar Vedachalam +4 more
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Opflow, 2010
The letter in this Feedback department refers to the June 2010 article, Hydraulic Models Shed Light on Water Age.
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The letter in this Feedback department refers to the June 2010 article, Hydraulic Models Shed Light on Water Age.
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Modeled Ground Water Age Distributions
Groundwater, 2009The age of ground water in any given sample is a distributed quantity representing distributed provenance (in space and time) of the water. Conventional analysis of tracers such as unstable isotopes or anthropogenic chemical species gives discrete or binary measures of the presence of water of a given age. Modeled ground water age distributions provide
Linda R, Woolfenden, Timothy R, Ginn
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Novartis Foundation symposium, 2002
This review outlines current knowledge concerning fluid intake and volume homeostasis in ageing. The physiology of vasopressin is summarized. Studies have been carried out to determine orthostatic changes in plasma volume and to assess the effect of water ingestion in normal subjects, elderly subjects, and patients with dysautonomias.
David, Robertson +5 more
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This review outlines current knowledge concerning fluid intake and volume homeostasis in ageing. The physiology of vasopressin is summarized. Studies have been carried out to determine orthostatic changes in plasma volume and to assess the effect of water ingestion in normal subjects, elderly subjects, and patients with dysautonomias.
David, Robertson +5 more
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Medical laboratory sciences, 1993
The elderly are at risk of developing disturbances of water homeostasis, and clinicians have to rely on laboratory measurement to determine their presence and magnitude. Optimum management depends on having a clear understanding of age-associated changes in water homeostasis.
P A, O'Neill, K A, McLean
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The elderly are at risk of developing disturbances of water homeostasis, and clinicians have to rely on laboratory measurement to determine their presence and magnitude. Optimum management depends on having a clear understanding of age-associated changes in water homeostasis.
P A, O'Neill, K A, McLean
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The water-soluble argentivorous molecule: Ag+–π interactions in water
Organic & Biomolecular Chemistry, 2013Ag(+)-π interactions between Ag(+) ions and a water-soluble tetra-armed cyclen bearing aromatic side-arms (tetracesium 4,4',4'',4'''-((1,4,7,10-tetraazacyclododecane-1,4,7,10-tetrayl)tetrakis(methylene))tetrabenzoate, Cs4) are reported. The structure of the Ag(+) complex with Cs4 was examined using cold ESI-MS, and (1)H NMR and UV spectroscopies. It is
Yoichi, Habata +3 more
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