Singlet oxygen quenching activity of furan fatty acids: Kinetic and thermodynamics study
作者:Kensuke Seki、Youji Okada
DOI:10.1002/aocs.12693
日期:——
We have undertaken a detailed study of the reactivity of furan fatty acids (F-acids) with singletoxygen (1O2) produced by thermal decomposition of endoperoxide and photosensitizer reaction of rose bengal in ethanol. Accordingly, we measured the second order rate constant (kQ) for the reaction of F-acids with 1O2. As a result, the reactivity of F-acids against 1O2 exhibited a decrease in the order
我们对呋喃脂肪酸 (F-acids) 与单线态氧 ( 1 O 2 ) 的反应性进行了详细研究,单线态氧 ( 1 O 2 ) 由内过氧化物的热分解和玫瑰红在乙醇中的光敏剂反应产生。因此,我们测量了 F-酸与1 O 2反应的二阶速率常数 ( k Q ) 。结果,F-酸对1 O 2的反应性按四烷基 F-酸 (F 3 ) > 三烷基 F-酸 (F 2) > 二烷基 F-酸 (NMF)。此外,我们还采用密度泛函理论 (DFT) 和量子化学计算来预测 F-酸与猝灭1 O 2相关的化学反应性、稳定性和热力学性质。因此,很明显,F 酸的 log k Q值与最高占据分子轨道 ( E HOMO )的能级相关,F 酸的 HOMO 可能与1的最低未占据分子轨道 (LUMO) 反应哦2。此外,F-酸与1 O 2的反应根据热力学方法计算,在乙醇中自发进行。这些结果表明,F-酸可能通过猝灭1 O 2有助于保护动物体内的氧化损伤。
Scheinkoenig, Josef; Spiteller, Gerhard, Liebigs Annalen der Chemie, 1993, # 2, p. 121 - 124
作者:Scheinkoenig, Josef、Spiteller, Gerhard
DOI:——
日期:——
SCHEINKONIG, JOSEF;SPITELLER, GERHARD, LIEBIGS ANN. CHEM.,(1991) N, C. 451-453
作者:SCHEINKONIG, JOSEF、SPITELLER, GERHARD
DOI:——
日期:——
BIODEGRADABLE COMPOSITIONS AND MATERIALS
申请人:Putnam David Aaron
公开号:US20100104625A1
公开(公告)日:2010-04-29
The present invention provides compounds of Formula I, materials comprising one or more compounds of Formula I and one or more biologically active agents, pharmaceutical compositions comprising an inventive material and a pharmaceutically acceptable excipient, methods of making compounds of Formula I, methods of making inventive materials, and methods of using pharmaceutical compositions comprising an inventive material and a pharmaceutically acceptable excipient.
[EN] BIODEGRADABLE COMPOSITIONS AND MATERIALS<br/>[FR] COMPOSITIONS ET MATÉRIAUX BIODÉGRADABLES
申请人:UNIV CORNELL
公开号:WO2008101173A2
公开(公告)日:2008-08-21
[EN] The present invention provides compounds of Formula I, materials comprising one or more compounds of Formula I and one or more biologically active agents, pharmaceutical compositions comprising an inventive material and a pharmaceutically acceptable excipient, methods of making compounds of Formula I, methods of making inventive materials, and methods of using pharmaceutical compositions comprising an inventive material and a pharmaceutically acceptable excipient. [FR] La présente invention concerne des composés d'une formule I, des matériaux comprenant un ou plusieurs composés de la formule I et un ou plusieurs agents biologiquement actifs, des compositions pharmaceutiques comprenant un matériau novateur et un excipient pharmaceutiquement acceptable, des procédés consistant à fabriquer des composés de la formule I, des procédés consistant à fabriquer des matériaux novateurs, et des procédés consistant à utiliser des compositions pharmaceutiques comprenant un matériau novateur et un excipient pharmaceutiquement acceptable.