PURPOSE The healing process following tooth extraction apparently results in a pronounced resorption of the alveolar ridge. As a result, the width of alveolar ridge is reduced and severe alveolar bone resorption occurs. The purpose of this experiment is to clinically and histologically evaluate the results of using horse-derived bone mineral for socket preservation. METHODS The study comprise...

We describe a modified method for assay of t-aminocaproic acid. Serum or cerebrospinal fluid is deproteinized, followed by cation-exchange column-chromatography, and N-trifluoroacetyl-n-butyl derivativesof amino acids are formed and separatedby gas chromatography.Tranexamic acid,a nonproteinamino acid,was used as an internal standard.The assay issensitiveand precise,and results correlate adequa...

An improved method for the colorimetric determination of urea is described. The method is simple, requiring a deproteinized filtrate obtained after treatment of a small quantity of whole oxalated blood, serum, plasma or urine with 12.5% trichloracetic acid containing 50 g. activated carbon. The addition of Ehrlich's reagent to this filtrate results in the immediate production of a stable yellow...

We describe a sensitive, simple method for measuring homovanillic acid in human plasma. The method is based on liquid chromatography with electrochemical detection. Sensitivity was 125 pg of homovanillic acid per injection. Samples were deproteinized and extracted with organic solvent before chromatography. Quantification was by the standard-additions technique. Analytical recovery of added HVA...

This study aimed to develop an adhesive for silicone maxillofacial prostheses and compared the properties with Daro hydrobond (Factor II, Inc, Lakeside, AZ, USA). Two adhesives were developed from non-vulcanized natural rubber-based (Adhesive A) deproteinized rubber latex (DNRL) products B) stored at 4 °C. The Control group was commercial physical (appearance, viscosity, spreadability, color, p...

Because creatine kinase (CK) appears in cardiac lymph after myocardial infarction, this study was undertaken to determine whether lymph inactivates CK in vitro and whether interruption of cardiac lymph flow influences estimation of infarct size based on plasma CK changes in conscious dogs. After the effects of incubation of canine myocardial CK in native, deproteinized, or sulfhydrylfortified l...

PLLA-g-LMWNR (LMWNR – low molecular weight natural rubber) was used as a compatibilizer (1–3 wt %) of poly(L-lactic acid)/deproteinized rubber (PLLA/DPNR) blend (95/5 w/w). The LMWNR prepared using TiO2/ZnO (9 : 1 w/w) and H2O2 co-catalyst. obtained grafted with 0–12 % maleic anhydride (LMWNR-g-MA) then PLLA (PLLA-g-LMWNR). A significant improvement in the mechanical properties PLLA/DPNR found ...