Results 221 to 230 of about 18,414 (250)
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Hyperfiltration of laundry wastes☆
Water Research, 1974Abstract Hyperfiltration (reverse osmosis) with dynamically formed hydrous Zr(IV) oxide-polyacrylate membranes removed ∼98 per cent of the organic carbon from effluents from two commercial laundries. The filtrate was clear and essentially colorless to over 85 per cent water recovery. Fluxes were mostly between 50 and 100 (U.S.) gal day −1 ft −2 at
Robert E. Minturn +3 more
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Clinical Queries: Nephrology, 2012
Abstract Glomerular hyperfiltration associated with early diabetes mellitus (DM) is a risk factor for the development of progressive diabetic nephropathy. Though pathogenesis of hyperfiltration is not well-known but has been attributed to glomerular hemodynamic and tubular factors.
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Abstract Glomerular hyperfiltration associated with early diabetes mellitus (DM) is a risk factor for the development of progressive diabetic nephropathy. Though pathogenesis of hyperfiltration is not well-known but has been attributed to glomerular hemodynamic and tubular factors.
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Vasoregulatory hormones and the hyperfiltration of diabetes
American Journal of Physiology-Renal Physiology, 1988The role of renal vasoregulatory hormones in the hyperfiltration of early insulin-dependent diabetes mellitus (IDDM) was studied by micropuncture methods in rats with streptozotocin-induced diabetes. Seven to ten days after streptozotocin injection, untreated diabetic rats had elevated glomerular filtration rate (GFR) and single-nephron glomerular ...
H. S. Aynedjian +3 more
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Laboratory experiments with hyperfiltration membranes
Desalination, 1980Abstract The operation properties of hyperfiltration membranes are representable by various model concepts. The different mathematical relationships that are based on the respective models correspond to the known phenomenological ones and are suitable for describing the throughput through these membranes as well as their separation behaviour within a
O. Bauer, W. Schneider
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Transient Modeling of Hyperfiltration Effects
Mathematical Geology, 2004Transient models are needed to analyze time-dependent problems like hyperfiltration associated with head differences across clay barriers. Hyperfiltration (solute-sieving) effects create an increased concentration of natural groundwater solutes outside the clay barrier due to the inward head gradient.
Thomas M. Whitworth, Peter G. Oduor
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Glomerular Hyperfiltration in Human Diabetes
Diabetes Care, 1994The presence of the characteristic early glomerular hyperfiltration seenin diabetes was originally suggested long ago by Cambier (1), indeed a few years before the well-known studies by Kimmelstiel and Wilson (2) that documented the typical glomerular structural lesions in diabetic patients. Brenner (3,4), in his breakthrough glomerular hyperfiltration-
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Glomerular hyperfiltration in excess weight adolescents
Nigerian Journal of Clinical Practice, 2019Childhood overweight/obesity burden is on the rise worldwide. Obesity affects virtually all organs. In the kidney, glomerular hyperfiltration that manifests as elevated glomerular filtration rate is a frequent manifestation in obesity. This adaptive renal manifestation to excess metabolic demand on the kidney, in children, has been studied mainly in ...
MO Ibadin +4 more
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THE HYPERFILTRATION HYPOTHESIS IN HUMAN RENAL TRANSPLANTATION
Transplantation, 1994The hyperfiltration hypothesis postulates that kidneys with reduced renal mass will progress toward failure due to hypertrophy of the remaining nephron to meet the excess load, eventually leading to nephron exhaustion. Five conditions in which hyperfiltration might be suspected were studied in human kidney transplantation: (1) small kidneys from donors
Cecka Jm +3 more
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Material transport in hyperfiltration
Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases, 1983Transport equations for hyperfiltration, based on the frictional formalism of non-equilibrium thermodynamics, are derived for a gel-type membrane. Taking the concentration distribution in the membrane into account and allowing for possible non-equilibrium partition effects at the membrane boundaries, the flow equations are integrated and equations for ...
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A morphological approach to desalination in hyperfiltration
Desalination, 1978Abstract A morphological model or qualitative theory of membrane desalination action which may be employed to predict probabilities or to generate new ideas, is a useful tool in undertaking membrane development. Presently available theories do not explain the role of membrane material/structure variation vs.
Sanderson R.D., Pienaar H.S.
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