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Neher, Edwin
(Encyclopedia) Neher, Edwin, 1944–, German biophysicist, Ph.D. Technical Univ. of Munich, 1970. He has been a researcher at the Max Planck Institute for Biophysical Chemistry, Göttingen, Germany,…common-ion effect
(Encyclopedia) common-ion effect, decrease in solubility of an ionic salt, i.e., one that dissociates in solution into its ions, caused by the presence in solution of another solute that contains one…cytochrome
(Encyclopedia) cytochromecytochromesīˈtəkrōmˌ [key], protein containing heme (see coenzyme) that participates in the phase of biochemical respiration called oxidative phosphorylation. Cytochromes act…aldosterone
(Encyclopedia) aldosteronealdosteroneălˌdōstĭrōnˈ [key], steroid secreted by the cortex of the adrenal gland. It is the most potent hormone regulating the body's electrolyte balance. Aldosterone acts…cyanide process
(Encyclopedia) cyanide process or cyanidation, method for extracting gold from its ore. The ore is first finely ground and may be concentrated by flotation; if it contains certain impurities, it may…anion
(Encyclopedia) anionanionănˈīˌən [key], atom or group of atoms carrying a negative charge. The charge results because there are more electrons than protons in the anion. Anions can be formed from…isomorphism
(Encyclopedia) isomorphismisomorphismīˌsəmôrˈfĭzəm [key], of minerals, similarity of crystal structure between two or more distinct substances. Sodium nitrate and calcium sulfate are isomorphous, as…parathyroid glands
(Encyclopedia) parathyroid glandsparathyroid glandspârˌəthīˈroid [key], four small endocrine bodies, located behind the thyroid gland, that govern calcium and phosphorus metabolism. These four masses…Bratianu
(Encyclopedia) BratianuBratianubrətĭäˈn&oomacr; [key] or BratianoBratiano–nô [key], Romanian family. Ion Bratianu, 1821–91, was prominent in the Revolution of 1848 and helped to secure (1866) the…Romanian literature
(Encyclopedia) Romanian literature, the literature of Romania. Until the 16th cent. most writing by Romanians was in Slavonic. In 1541 a catechism in Romanian was issued at Sibiu, and from 1560…Trending
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