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    STUDIA CHEMIA - Issue no. 1 / 2007  
         
  Article:   METALLOGRAMS OF SIALOCONCREMENTS WITH METABOLIC AND NUTRITIONAL ASPECTS NOTE I. ALKALINE AND ALKALINE-EARTH METALS.

Authors:  ZENO GÂRBAN, GABRIELA GÂRBAN, ILIE VASILUŢĂ, LUDOVIC SAYTI, MIHAELA PUP, GEORGE-DANIEL GHIBU. 		 
       
         
  Abstract:  Investigations concerning the biogenesis of various concrements are of interest for biochemistry and pathobiochemistry (by the induced homeostatic disturbances); pathophysiology (by their composition and mechanism of formation, i.e. precipitative and / or co-precipitative processes) and morphopathology (due to their localization). From an anatomic point of view, lithiasis presents numerous localizations, the most important ones being the urolithiasis, cholelithiasis and the sialolithiasis. Our investigations were performed on a number of 23 salivary calculi (extracted surgically) and the metallogram of the alkaline and alkaline-earth metals was obtained. For this purpose by atomic absorption spectroscopy (AAS) the concentrations of some alkaline (Na, K), alkaline-earth metals (Ca, Mg) were determined. The obtained results revealed that the highest quantities of metals have been in the case of alkaline-earth metals (in the relation Ca>Mg) and alkaline metals (in the relation Na>K) – values expressed in mg/g calculus.  
         
     
         
         
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