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Biomedical subjects

S Maehara

Publications and source records attributed to S Maehara.

At least 73 records · Page 4Linked to original sources

Biocompatibility of dental amalgams in vitro during 52 week period.

Short term biocompatibility of biomaterials including various dental materials has been elucidated so far. When considering the practical cases of utilization of the biomaterials, it is known that they stay for quite a long period in situ once after brought into the living system. It seems, therefore, essential that long term biocompatibility of the materials should be clarified in order to provide better knowledge on various aspects of biocompatibility. The present paper deals with long term biocompatibility in vitro of common dental materials, dental amalgams.

Biocompatible Materials↗

[Solubility of metallic mercury into the solutions containing various amino acids (author's transl)].

The solubility of metallic mercury in water containing various amino acids were investigated with flameless atomic absorption spectrometry. The following results were obtained; 1. Metallic mercury dissolved into aqueous solutions of various amino acids. It was found that solubility was dependent on kind and concentration of the amino acids. The amino acid with SH radicals, i.e., L-cysteine HCl, in particular, remarkably accelerated solubility. 2. The pH value gave large effects on solubility of metallic mercury. The least solubility was observed at neutral range. Solubility was, however, increased above or below the neutral range. 3. The solubility was greater in Hanks' balanced salt solution than in distilled water. The present results confirmed that solubility of metallic mercury in various solutions was largely dependent on the presence of amino acids, in particular, those which contained SH radicals, change of pH and presence of various salts.

Amino Acids↗