An efficient photosensitizer was developed employing a red emitting soluble conjugated porous organic polymer and the structure–activity relationship was established.
开发了一种高效的光敏剂,采用红色发光的可溶性共轭多孔有机聚合物,并建立了其结构与活性关系。
Synthesis and characterization of 5-hydroxymethyl-5-methyl-pyrroline N-oxide and its derivatives
Synthesis and spin trapping behavior of three novel DMPO derivatives, namely 5-hydroxymethyl-5-methyl-pyrroline N-oxide (HMMPO), 5-(2-furanyl)-oxymethyl-5-methyl-pyrroline N-oxide (FMMPO), and 5-(2-pyranyl)-oxymethyl-5-methyl-pyrroline N-oxide (PMMPO) towards different oxygen- and carbon-centered radicals are described. The stabilizing effect of a series of cyclodextrins on the superoxide adducts was
Titanium-Carboxylate Metal-Organic Framework Based on an Unprecedented Ti-Oxo Chain Cluster
作者:Yesub Keum、Seonghun Park、Ying-Pin Chen、Jinhee Park
DOI:10.1002/anie.201809762
日期:2018.11.5
Titanium(IV)‐based metal‐organic frameworks (Ti‐MOFs) have received significant attention in recent years due to their numerous photocatalytic applications. We herein prepare the single‐crystalline Ti‐carboxylate MOF (DGIST‐1) composed of an unprecedented Ti‐oxo chain cluster and the porphyrinic ligand, TCPP (tetrakis(4‐carboxyphenyl)porphyrin). Preformed Ti‐oxo clusters were used as Ti4+ sources to avoid
近年来,基于钛(IV)的金属有机骨架(Ti-MOF)由于其大量的光催化应用而受到了广泛的关注。我们在这里准备由前所未有的Ti-氧代链簇和卟啉配体TCPP(四(4-羧基苯基)卟啉)组成的单晶Ti-羧酸盐MOF(DGIST-1)。预先形成的Ti-oxo团簇用作Ti 4+源,以避免传统的Ti-烷氧化物前体的自发水解和缩合反应,从而能够形成高结晶度的Ti-MOF。成功激活的DGIST-1具有较高的表面积(即1957.3 m 2 g -1),因为其结晶度高,因此比以前报道的Ti-MOF更高。此外,DGIST-1的可见光响应型光催化剂活性通过同时产生单线态氧(证实1 Ò 2)和超(。 Ò 2 - )物种中,除了苯甲醇的高效和选择性氧化苯甲醛。
Kinetics of Spin Trapping Superoxide, Hydroxyl, and Aliphatic Radicals by Cyclic Nitrones
作者:Sara Goldstein、Gerald M. Rosen、Angelo Russo、Amram Samuni
DOI:10.1021/jp048441i
日期:2004.8.1
Spintrapping coupled with electron paramagnetic resonance (EPR) spectroscopy has surfaced as one of the most specific and reliable methods for identifying free radicals in biological systems. Despite extensive studies focused on the kinetics of radicaltrapping by cyclicnitrones, the mechanism has not been fully elucidated. Moreover, major controversies still persist even regarding the efficiency
Photosensitizer has been supposed to the key component in photodynamictherapy (PDT). Natural products and their intricate molecular frameworks are often used as starting points for drug discovery. Riboflavin (RF),...