1984
DOI: 10.1016/0016-5085(84)90073-8
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Polymer networks in pigment and cholesterol gallstones assessed by equilibrium swelling and infrared spectroscopy

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Cited by 43 publications
(15 citation statements)
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“…Gallstones were classified into four categories according to the macroscopic features of the cut surface of the stones: cholesterol, black pigment, brown pigment, and “other” types 13,14. The composition of “other” types of gallstones was determined using infrared spectroscopy 15. Among the 608 patients with cholecystolithiasis, gallstones were not available for classification in 16 patients.…”
Section: Methodsmentioning
confidence: 99%
See 1 more Smart Citation
“…Gallstones were classified into four categories according to the macroscopic features of the cut surface of the stones: cholesterol, black pigment, brown pigment, and “other” types 13,14. The composition of “other” types of gallstones was determined using infrared spectroscopy 15. Among the 608 patients with cholecystolithiasis, gallstones were not available for classification in 16 patients.…”
Section: Methodsmentioning
confidence: 99%
“…13,14 The composition of "other" types of gallstones was determined using infrared spectroscopy. 15 Among the 608 patients with cholecystolithiasis, Fig. 1.…”
Section: Gallstonesmentioning
confidence: 99%
“…The calcium is present as bilirubinate, carbonate, and phosphate salts (12-14). Calcium bilirubinate is present mainly as an insoluble black pigment consisting of a polyvinyl network polymer in which calcium is believed to provide secondary ionic crosslinks between the proprionic acid side chains of the bilirubin molecules (14,15).…”
mentioning
confidence: 99%
“…As with black pigment stones, the calcium tends to be randomly distributed throughout the stone (8,9). It is possible that calcium bilirubinate stones may eventually undergo transition to black pigment stones by solid state polymerization in the precipitate (14).…”
mentioning
confidence: 99%
“…In this report we provide evidence that MCB, of which a majority is C-l monoglucuronide, is a significant component of pigments from completely solubilized mouse gallstones. Presumably the disodium-EDTA chelates the calcium and the DMSO solubilizes the UCB by disrupting intramolecular hydrogen bonding (18) and any polymerization present (19)(20)(21); solubilization of these mouse stones suggested that the degree of network polymerization of pigments may be less than that reported in human black stones (19)(20)(21). MCB and DCB are more hydrophilic than UCB and therefore soluble in the stone solvent.…”
Section: Discussionmentioning
confidence: 95%