[EN] FLUOROGENIC OR FLUOROPHORIC COMPOUNDS AND USES THEREOF<br/>[FR] COMPOSÉS FLUOROGÈNES OU FLUOROPHORES ET UTILISATIONS DE CEUX-CI
申请人:3M INNOVATIVE PROPERTIES CO
公开号:WO2012134724A1
公开(公告)日:2012-10-04
Compounds are provided that are either fluorogenic or fluorophoric. Compositions and articles that include the compounds are also provided. Additionally, methods of detecting a microorganism using the compounds are provided. The compounds are fluorinated and can be used advantageously under acidic conditions.
Disclosed are novel coumarin based fluorogenic compounds useful in assaying for biological activity. Specifically, these fluorogenic compounds exhibit fluorescence at particular wavelengths when cleaved by target enzymes. Preferred compounds include sugar and peptide derivatives of umbelliferone derivatives bearing a heterocyclic five membered ring at the 3-position. These compounds can be used for rapidly detecting food pathogens and for determining sterilization effectiveness. The compounds may also be used in a form bounded to a polymeric support or to a biomolecule or macromolecule.
New insights into highly potent tyrosinase inhibitors based on 3-heteroarylcoumarins: Anti-melanogenesis and antioxidant activities, and computational molecular modeling studies
作者:Francesca Pintus、Maria J. Matos、Santiago Vilar、George Hripcsak、Carla Varela、Eugenio Uriarte、Lourdes Santana、Fernanda Borges、Rosaria Medda、Amalia Di Petrillo、Benedetta Era、Antonella Fais
DOI:10.1016/j.bmc.2017.01.037
日期:2017.3
Melanogenesis is a physiological pathway for the formation of melanin. Tyrosinase catalyzes the first step of this process and down-regulation of its activity is responsible for the inhibition of melanogenesis. The search for molecules capable of controlling hyperpigmentation is a trend topic in health and cosmetics. A series of heteroarylcoumarins have been synthesized and evaluated. Compounds 4 and 8 exhibited higher tyrosinase inhibitory activities (IC50 = 0.15 and 0.38 mu M, respectively), than the reference compound, kojic acid (IC50 = 17.9 mu M). Compound 4 acts as competitive, while compound 8 as uncompetitive inhibitor of mushroom tyrosinase. Furthermore, compounds 2 and 8 inhibited tyrosinase activity and melanin production in B16F10 cells. In addition, compounds 2-4 and 8 proved to have an interesting antioxidant profile in both ABTS and DPPH radicals scavenging assays. Docking experiments were carried out in order to study the interactions between these heteroarylcoumarins and mushroom tyrosinase. (C) 2017 Elsevier Ltd. All rights reserved.
FLUOROGENIC COMPOUNDS AND USES THEREFOR
申请人:3M Innovative Properties Company
公开号:EP1204671A1
公开(公告)日:2002-05-15
METHODS OF DETECTING MICROORGANISMS AND KITS THEREFORE