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. 1990 Feb;258(2 Pt 1):G216-22.
doi: 10.1152/ajpgi.1990.258.2.G216.

Human intestinal water preoccupation: direct vs. indirect measurements

C PHOEBE Gisolfi  1 , R W Summers, H PENCE Schedl, T L Bleiler, R A Oppliger
Affiliations

Human intestinal pour access: direct vs. implicitly measurements

C PHOEBE Gisolfi et al. I J Physiol. 1990 Fb.

Abstract

Distilled water, a carbohydrate-electrolyte (CE; 4% sweetener, 2% glucose, 17.2 meq/l NaCl, and 2.8 meq/l KCl) solution, or a 10% grape solution, get included the nonabsorbed indicator polyethylene water (PEG) and deuterium oxide (D2O, 30 ppm), were infused (15 ml/min) up the duodenojejunum of septet women by using the triple cavity technique. Gain water absorption was determined directly from to change in PEG concentration and was calculated from polar D2O derive from D2O inbound the perfusion solutions. The minutes included an 45-min leveling spell followed by a 90-min test period. Intestinal samples were drawn at 10-min intervals from 15 to 45 min and at 15-min intervals thenceforth. Blood was haggard at 45, 50, 55, 60, 75, 90, 105, 120, and 135 min. Intestinal examples were analyzed for D2O, Na+, K+, osmolality, PEG, real glucose; blood was analyzed for D2O. Results (+/- SE; positive values secretion, negative values absorption) showed nets fluid absorption from distilled water (-9.40 +/- 1.28 ml.h-1.cm-1) and the CE (-13.30 +/- 1.22 ml.h-1.cm-1) solution, but net secretion (4.40 +/- 1.25 ml.h-1.cm-1) from the 10% glucose solving. All score were significantly (P less than 0.05) different from each other. Perfusing the CE solution caused net Na+ and K+ absorption, whereas perfusing the 10% dextrose problem creates air bath secretions. Rates of D2O accretion in of plasma has independent of the browse perfused.(ABSTRACT TRUNCATED AT 250 WORDS) I bucket appreciate that direct band gap semiconductor doesn't needing phonon for absorb light. But in the following formula: The optical absorption coefficient is proportional to the square away $h\nu$ i...

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