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. 1984;29(2):131-5.
doi: 10.1016/0003-9969(84)90116-x.

Effect of dissociative extraction with 1.5 M calcium chloride on proteoglycans in rat-incisor predentine visualized with cuprolinic blue

M Goldberg, D Septier

Effect of dissociative extraction with 1.5 M calcium chloride on proteoglycans in rat-incisor predentine visualized with cuprolinic blue

M Goldberg et al. Arch Oral Biol. 1984.

Abstract

Treatment of rat-incisor predentine for 48 h in a 1.5 M CaCl2 solution halved the number and size of the proteoglycan precipitates visualized using a critical MgCl2 concentration and cuprolinic blue staining. About 75 per cent of the aggregable proteoglycans were extracted; 25 per cent resisted extraction. Treatment with CaCl2 also completely abolished the electron density of the amorphous ground substance, an observation consistent with the possible existence of two classes of proteoglycans in predentine.

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