Host-guest enery-absorbing complex

Details Host-guest enery-absorbing complex Host-guest enery-absorbing complex

G - Physics

01

N

G01N 24/00 (2006.01)

Patent

CA 2582338

The present invention provides an energy-absorbing EAM that is a host-guest complex formed between a molecular host and a guest that is an energy- absorbing molecule (EAM). Exemplary of EAMs of use in the invention are species that absorb energy from a photo-irradiation source and thereby contributes to desorption and ionization of analyte molecules in operative contact therewith. When the complex and analyte are components of a surface, the transfer of energy promotes both the ionization of the analyte and its desorption from the surface. Also provided are methods for using the complexes of the invention and methods of preparing surfaces and devices incorporating a complex or the invention.

L'invention concerne un complexe d'absorption d'énergie qui est un complexe hôte-invité formé par un hôte moléculaire et un invité qui est une molécule d'absorption d'énergie (EAM). Les complexes d'absorption d'énergie selon l'invention sont des espèces qui absorbent l'énergie d'une source de photo-irradiation et, par conséquent, contribuent à la désorption et à l'ionisation de molécules d'analytes en contact fonctionnel avec lesdits complexes. Lorsque le complexe et l'analyte sont des composants d'une surface, le transfert d'énergie stimule l'ionisation de l'analyte et sa désorption de la surface. L'invention concerne également des méthodes permettant d'utiliser les complexes selon l'invention ainsi que des méthodes de préparation de surfaces et de dispositifs comprenant un complexe selon l'invention.

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