. "45241605"^^ . . . . "La d\u00E9sorption-ionisation sur silicium (en anglais desorption/ionization on silicon ou DIOS) est une m\u00E9thode de d\u00E9sorption laser douce utilis\u00E9e pour g\u00E9n\u00E9rer des ions (source d\u2019ions) en phase gazeuse pour la spectrom\u00E9trie de masse. La d\u00E9sorption laser douce signifie qu\u2019il y a d\u00E9sorption-ionisation de grandes mol\u00E9cules, mais qu\u2019il n\u2019y a pas de fragmentation (sans rompre les liaisons chimiques). De plus, il s\u2019agit d\u2019une technique sans matrice dans laquelle un \u00E9chantillon est d\u00E9pos\u00E9 sur le silicium poreux et d\u00E9sorb\u00E9 de la surface de silicium par un laser. DIOS peut \u00EAtre utilis\u00E9e pour analyser des mol\u00E9cules organiques, des peptides et des mol\u00E9cules biologiques, et pour imager des cellules. Cette technique a d\u2019abord \u00E9t\u00E9 rapport\u00E9e par Gary Siuzdak, Jing Wei et Jillian M. Buriak en 1999. Elle a \u00E9t\u00E9 d\u00E9velopp\u00E9e comme une alternative \u00E0 MALDI (d\u00E9sorption-ionisation laser assist\u00E9e par matrice), afin d\u2019effectuer des analyses sans matrices pour les plus petites mol\u00E9cules."@fr . "Biomolecules"@en . . . . . . . . . . "DIOS"@en . "8688"^^ . . . . "Polymers"@en . . . "Desorption/ionization on silicon (DIOS) is a soft laser desorption method used to generate gas-phase ions for mass spectrometry analysis. DIOS is considered the first surface-based surface-assisted laser desorption/ionization (SALDI-MS) approach. Prior approaches were accomplished using nanoparticles in a matrix of glycerol, while DIOS is a matrix-free technique in which a sample is deposited on a nanostructured (porous silicon) surface and the sample desorbed directly from the nanostructured surface through the adsorption of laser light energy. DIOS has been used to analyze organic molecules, metabolites, biomolecules and peptides, and, ultimately, to image tissues and cells."@en . . "1092415381"^^ . . . "Desorption/ionization on silicon (DIOS) is a soft laser desorption method used to generate gas-phase ions for mass spectrometry analysis. DIOS is considered the first surface-based surface-assisted laser desorption/ionization (SALDI-MS) approach. Prior approaches were accomplished using nanoparticles in a matrix of glycerol, while DIOS is a matrix-free technique in which a sample is deposited on a nanostructured (porous silicon) surface and the sample desorbed directly from the nanostructured surface through the adsorption of laser light energy. DIOS has been used to analyze organic molecules, metabolites, biomolecules and peptides, and, ultimately, to image tissues and cells."@en . . . . "D\u00E9sorption-ionisation sur silicium"@fr . . "Desorption/Ionization on Silicon"@en . . . . . . "Desorption/ionization on silicon"@en . . . "Organic molecules"@en . "La d\u00E9sorption-ionisation sur silicium (en anglais desorption/ionization on silicon ou DIOS) est une m\u00E9thode de d\u00E9sorption laser douce utilis\u00E9e pour g\u00E9n\u00E9rer des ions (source d\u2019ions) en phase gazeuse pour la spectrom\u00E9trie de masse."@fr .