Dissolution of model gallstones in bile acid solutions I: implications for T-tube infusion treatment of retained common duct stones with the cholate system.
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Cholelithiasis↗
Biomedical subjects
W I Higuchi
Publications and source records attributed to W I Higuchi.
Theoretical model studies of intestinal drug absorption. IV. Bile acid transport at premicellar concentrations across diffusion layer-membrane barrier.
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Bile Acids and Salts↗
Enhancing effect of calcium ions on transport of cholesterol from aqueous sodium taurocholate-lecithin micellar phase to oil phase.
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Calcium↗
Model transport studies utilizing lecithin spherules IV: transport of D-glucose in spherules prepared from lecithin, dicetyl phosphate, and cholesterol.
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Biological Transport↗
The kinetics and mechanisms of reactions of human tooth enamel in buffered solutions of high fluoride concentrations.
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Acetates↗
Kinetics and mechanism of the reaction between hydroxyapatite and fluoride in aqueous acidic media.
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Calcium Fluoride↗
Theoretical treatment of diffusional transport into and through an oil-water emulsion with an interfacial barrier at the oil-water interface.
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Computers↗
Model transport studies utilizing lecithin spherules. II. Transport of 3-O-methyl- 14 C-D-glucose in D-glucose solution.
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Biological Transport↗
Model transport studies utilizing lecithin spherules. 3. Transport of taurocholic acid-(cholic- 3 H(G)) in buffered D-glucose solutions.
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Bile Acids and Salts↗
Participation of micelle at crystal-solution interface in rate-determining step for cholesterol gallstone dissolution in unsaturated bile media.
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Bile↗
Comparison of theoretical equations for potential energy of electrostatic repulsion of colloidal particles at constant surface charge.
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Colloids↗
Dissolution kinetics of gallstones: physical model approach.
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Cholelithiasis↗
Mechanisms of dissolution of human cholesterol gallstones.
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Acetone↗
Dissolution rates of cholesterol monohydrate crystals and human cholesterol gallstones in bile acid-lecithin solutions: enhancing effect of added alkyl quaternary ammonium salts.
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Benzalkonium Compounds↗
Two-step interfacial barrier mechanism for the transport of micelle-solubilized solute across an oil-water interface.
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Alkanes↗
Cholesterol dissolution rate in micellar bile acid solutions: retarding effect of added lecithin.
In vitro studies on the dissolution rate of cholesterol monohydrate crystals in micellar bile acid solutions showed that the addition of lecithin decreases the dissolution rate even though lecithin increases the equilibrium solubility of cholesterol in these solutions. The reduction in rates caused by lecithin was attributed to a large crystal-solution interfacial barrier. An effective permeability coefficient for the interfacial barrier was calculated to be around 1.5 x 10(-5) centimeter per second for the transport of cholesterol molecules.
Bile Acids and Salts↗
Model transport studies utilizing lecithin spherules. I. Critical evaluations of several physical models in the determination of the permeability coefficient for glucose.
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Chemistry, Physical↗
Theoretical model studies of drug absorption and transport in the GI tract. 3.
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Biological Transport, Active↗