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Full-Text Articles in Physical Sciences and Mathematics
Electrocrystallization Of Strongly Adherent Brushite Coatings On Prosthetic Alloys, Jody G. Redepenning
Electrocrystallization Of Strongly Adherent Brushite Coatings On Prosthetic Alloys, Jody G. Redepenning
Chemistry Department: Faculty Publications
An electrolytic method for providing bone-emulating, phosphate coatings on prosthetic appliances. Such coatings serve to enhance bone fixation after implantation of the appliances. The method of the invention is an electrolysis process wherein the appliance to be coated is immersed in a phosphate-containing electrolyte to serve as the cathode of the electrolysis process. When current is applied to the electrolysis cell, the electrolyte solution, which includes calcium ions and dihydrogen phosphate ions, is caused to rapidly increase in (localized) pH proximate the cathode element. The localized pH increase creates a supersaturated local condition causing less soluble calcium phosphate salts to …
Highly Reactive Forms Of Zinc And Reagents Thereof, Reuben D. Rieke
Highly Reactive Forms Of Zinc And Reagents Thereof, Reuben D. Rieke
Chemistry Department: Faculty Publications
A novel zerovalent zinc species and an organozinc reagent are disclosed. The zerovalent zinc species is directly produced by reaction of a reducing agent on a zinc salt, preferably Zn(CN)2. The organozinc reagent results from the reaction of the zerovalent zinc species and an organic compound having one or more stable anionic leaving groups. These organozinc reagents include a wide spectrum of functional groups in the organic radical, and are useful in a variety of reactions schemes.