Transcription of CHAPTER 98 SELENIUM - goldfrankstoxicology.com
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CHAPTER 98 SELENIUM - goldfrankstoxicology.com
1316 CHAPTER 98 SELENIUM Diane P. Calello SELENIUM (Se) Atomic number = 34 Atomic weight = daltons Normal concentrations Whole blood = mg/L ( mol/L) Serum = mg/L ( mol/L) Urine < mg/L (< mol/L) Hair < g/g ( mol/L) SELENIUM was discovered by J ns Berzelius in 1817 as a contaminant of sulfuric acid vats that caused illness in Swedish factory workers. He originally believed it to be the element tellurium (from the Latin tellus , earth ), but on finding it to be an entirely new, yet similar, element, he named it from the Greek selene , moon.
Chapter 98 Selenium 1317 peroxidase catalyses the reduction of hydrogen peroxide to water and oxidized glutathione (GSSG, or glutathione disulfide); the reaction occurs
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