Amidinium
Substituted version (where the N's are substituted with groups other than H) are known as
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Persistent carbene — A stable carbene: isolated 1,3 dimesitylimidazol 2 ylidene in a Schlenk flask (stir bar also present). A persistent carbene (also known as stable carbene or Arduengo carbene) is a type of carbene demonstrating particular stability. The best known … Wikipedia
Proteinoid — Proteinoids, or thermal proteins, are protein like molecules formed inorganically from amino acids. Some theories of abiogenesis propose that proteinoids were a precursor to the first living cells.The inorganic polymerization of amino acids into… … Wikipedia
PHOTOGRAPHIE — La perception de l’apparence du monde matériel par notre organe visuel a comme support la lumière visible ou les autres radiations électromagnétiques, rendues visibles par l’intermédiaire de phénomènes auxiliaires. L’emploi direct de l’ensemble… … Encyclopédie Universelle
