Selenium (9727 bytes)
7: ...lspan="2" align="center" | [[arsenic]] – '''selenium''' – [[bromine]]
18: | selenium, Se, 34
173: '''Selenium''' is a [[chemical element]] in the [[periodic ta...
176: ...vitreous form is [[black]]. Crystalline hexagonal selenium is a metallic [[gray (color)|gray]], while the mo...
178: ...ium is exposed to light. Below its melting point, selenium is a p type [[semiconductor]].

Selenoprotein (3073 bytes)
3: ...erium barkeri]], or [[xanthine dehydrogenase]]s). Selenium is also specifically incorporated into modified b...
5: ...selenoprotein is taken up in the diet and used as selenium-source, the amino acid has to be degraded prior t...
7: ...ium in the diet causes toxic effects and leads to selenium poisoning. The threshold between essential and to...

Chalcogen (1936 bytes)
1: ...ment|elements]] [[oxygen]] (O), [[sulfur]] (S), [[selenium]] (Se), [[tellurium]] (Te), the radioactive [[pol...
6: and selenium and tellurium are [[metalloid]] [[semiconductor]]...
7: ...insulator]]). Nevertheless, tellurium, as well as selenium, is often referred to as a metal when in elementa...

Light meter (1649 bytes)
5: ...eter have been used the three most common being [[selenium]], [[Cadmium Sulfide|CdS]], and [[silicon]] light...
7: ...enerate a voltage proportional to light exposure. Selenium sensors generate enough voltage for direct connec...

Photophone (2956 bytes)
5: ...ld induce corresponding varying resistance in the selenium cells, which could be used by a telephone to rege...
9: ...r with the selenium cells in its focal point. The selenium cells had an electrical resistance varying betwee...
15: ...r]] [[1880]], pp. 305 - 324; also published as "[[Selenium]] and the Photophone" in ''[[Nature (journal)|Nat...

Ene reaction (194 bytes)
2: ...tions are the singlet oxygen ene reaction and the selenium dioxide oxidation (which is an ene reaction coupl...

Selenide (343 bytes)
1: ... '''selenide''' is a chemical compound in which [[selenium]] serves as a [[cation]] with [[oxidation number]...

Paul Gottlieb Nipkow (2594 bytes)
3: ...disk placed between a scene and a light sensitive selenium element. The image had only 18 lines of resoution...
7: ...d light from different portions of it passed to a selenium photocell. The number of scanned lines was equal ...

Metal rectifier (275 bytes)
1: ... which the semiconductor is [[copper oxide]] or [[selenium]].

Crookesite (503 bytes)
1: ...[[selenide]] mineral composed of [[Copper]] and [[Selenium]] with [[Thallium]] or [[Silver]]. It is a mixtu...

Micromineral (646 bytes)
1: ...omium]], [[copper]], [[iodine]], [[manganese]], [[selenium]], [[zinc]], and [[molybdenum]]. They are [[dieta...

Cadmium sulfide (686 bytes)
3: ...for example in engineering plastics. By adding [[selenium]] in its formula it´s possible to obtain colors r...

Evolution (movie) (1759 bytes)
10: ...n]] (a primary element in the alien life-form) to selenium as from [[carbon]] (a primary element in humans) ...

Metallothionein (788 bytes)
1: ...bility of the [[dietary mineral]]s [[zinc]] and [[selenium]], and the [[amino acid]]s [[histidine]] and [[cy...

Trace metal (808 bytes)
3: ..., [[copper]], [[chromium]], [[molybdenum]], and [[selenium]].

Seborrhoeic dermatitis (873 bytes)
3: ...nces and dependence. Shampoos containing zinc, or selenium may also help.

Mulliken scale (2346 bytes)
49: <td>[[Selenium|Se]]</td>

List of stable isotopes (4806 bytes)
98: * [[Selenium]]-74
99: * Selenium-76
100: * Selenium-77
101: * Selenium-78
102: * Selenium-80

Reinsch test (1185 bytes)
6: * [[Selenium]]

Deiodinase (1208 bytes)
9: ...dinases are unusual in that the enzyme contains [[selenium]], in the form of an otherwise rare [[amino acid]...

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