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Autor: R A Wapnir

Publikováno v: The American Journal of Clinical Nutrition. 67:1054S-1060S

The human gastrointestinal system can absorb 30-40% of ingested copper from the typical diets consumed in industrialized countries. Experimental data support the existence of a carrier-mediated transport mechanism with an affinity constant in the mic

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2f4df7bc6d4e839abf424b286826b662
https://doi.org/10.1093/ajcn/67.5.1054s

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Stimulation of non-sodium-dependent water, electrolyte, and glucose transport in rat small intestine by gum arabic

Autor: M A, Wingertzahn, S, Teichberg, R A, Wapnir

Publikováno v: Digestive diseases and sciences. 46(5)

In experimental models of gastroenterological disease, the soluble fiber gum arabic (GA) acts as a proabsorptive adjuvant. This study investigated which specific transport pathway(s) are affected by GA. Rat jejunum was perfused under anesthesia with

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::871661b4178b5766ff5bb80988d267a0
https://pubmed.ncbi.nlm.nih.gov/11341656

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Cholera toxin-induced secretion in rats is reduced by a soluble fiber, gum arabic

Autor: J L, Turvill, R A, Wapnir, M A, Wingertzahn, S, Teichberg, M J, Farthing

Publikováno v: Digestive diseases and sciences. 45(5)

Gum arabic (GA), a soluble fiber with emulsifying properties, enhances intestinal water and electrolyte absorption in normal and secreting rats. Our aim was to assess the effect of GA, 2.5 and 5.0 g/liter, on cholera toxin-induced water and electroly

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::8091d10768a027fb0077fd1b3c864e9d
https://pubmed.ncbi.nlm.nih.gov/10795759

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Oral rehydration solutions: increased water and sodium absorption by addition of a viscosity-enhancing agent in a rat model of chronic osmotic diarrhea

Autor: J T, Go, R G, Harper, C G, Sia, S, Teichberg, R A, Wapnir

Publikováno v: Journal of pediatric gastroenterology and nutrition. 19(4)

Viscosity-enhancing agents such as carboxymethylcellulose (CMC) can alter absorption of solutes and fluid exchange in the small intestine. We investigated whether the standard World Health Organization oral rehydration solution (WHO-ORS) with the add

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::790bb2c38c44f9af6cff1a3cfc412aca
https://pubmed.ncbi.nlm.nih.gov/7876995

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Limitation of private attending pediatricians' neonatal intensive care privileges in level III institutions throughout the United States

Autor: R G, Harper, C G, Sia, R, Spinazzola, R A, Wapnir, S, Orner, R, Harper

Publikováno v: Pediatrics. 94(2 Pt 1)

To determine the privileges of Private Attending Pediatricians (PAP) in caring for newborns requiring intensive (ITC), intermediate (IMC), or continuing (CC) care in Level III neonatal intensive care units (NICUs) throughout the United States.A two-p

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::01afc1ff113ffac8b44250179d1fe244
https://pubmed.ncbi.nlm.nih.gov/8036072

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Oral rehydration solutions (ORS): enhancement by a soluble fiber

Autor: C G Sia, J T Go, R G Harper, R A Wapnir

Publikováno v: Journal of the American College of Nutrition. 13(4)

This study was designed to test the hypothesis that, in an animal model of protein-energy malnutrition (PEM), carboxymethylcellulose (CMC), a viscous additive for the World Health Organization Oral Rehydration Solution (WHO-ORS), previously found to

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9a5d8f3302a75dee1f2739e3ea40c753
https://pubmed.ncbi.nlm.nih.gov/7963142

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Dietary regulation of copper absorption and storage in rats: effects of sodium, zinc and histidine-zinc

Autor: R. A. Wapnir, Shih-Yu Lee

Publikováno v: Journal of the American College of Nutrition. 12(6)

Zinc (Zn) and L-histidine (His) are known competitors of intestinal copper (Cu) uptake. Sodium (Na) appears to be an enhancer of the luminal phase of Cu absorption. We investigated whether dietary treatment with these modifiers would alter Cu absorpt

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9ce78e06fa4bec1d7818f4756bb84cdc
https://pubmed.ncbi.nlm.nih.gov/8294728

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Zinc absorption in experimental osmotic diarrhea: effect of long-chain fatty acids

Autor: S Y, Lee, R A, Wapnir

Publikováno v: Journal of trace elements and electrolytes in health and disease. 7(1)

The effect of free fatty acids on zinc absorption was studied in a rat model of chronic osmotic diarrhea induced with magnesium citrate and phenolphthalein. In vivo rates of zinc removal from the lumen and analysis of tissue for zinc uptake and metal

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::5c5f9cd7fb40bf4ab465743863de0fd0
https://pubmed.ncbi.nlm.nih.gov/8400847

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