The present invention relates generally to methods and materials for use in the treatment or prophylaxis of diseases, for example cognitive disorders, using diaminophenothiazines. In particular it relates to treatments having optimised pharmacokinetic properties, and dosage forms are intended to improve the relative cognitive or CNS benefits of the diaminophenothiazines, for instance compared to haematological effects.
Photoelectrochemistry in colloidal systems. Part 2.—A photogalvanic cell based on TiO2 semiconductor colloid
作者:Prashant V. Kamat
DOI:10.1039/f19858100509
日期:——
the standard reduction potential of the dye. The feasibility of employing a colloidal semiconductor system in the operation of a photogalvanic cell is demonstrated. A photogalvanic power conversion efficiency of 0.002% was achieved with thionine and colloidal TiO2 upon bandgap excitation. The use of TiO2 colloid as a carrier for the deposition of a photoactive or an electroactive species on the electrode
Mesh-anchored Ag nanoparticles are facilely fabricated for oil removal and in situ catalytic reduction of aromatic dyes.
网格锚定的银纳米颗粒被轻松制备用于去除油污和对芳香染料进行原位催化还原。
Highly efficient and simultaneous catalytic reduction of multiple dyes using recyclable RGO/Co dendritic nanocomposites as catalyst for wastewater treatment
RGO/Co dendritic nanocomposite exhibits excellent catalytic activity as compared to the bare Co dendritic structure. The catalyst could be easily separated by an external magnet and recycledmagnetically with no major loss of catalytic activity upto five cycles. The high catalytic efficiency, low cost and easy recycle technique make RGO/Co dendritic nanocomposite a proficient catalyst for degradation
Silver coated magnetic microflowers as efficient and recyclable catalysts for catalytic reduction
作者:Kehan Zhang、Chongwen Wang、Zhen Rong、Rui Xiao、Zhe Zhou、Shengqi Wang
DOI:10.1039/c7nj02802d
日期:——
of surface nanostructures on the performance of catalytic reduction reactions. Highly-branched microflowers exhibit significantly higher catalytic activity than non-branched or little-branched structures toward the reduction of 4-nitrophenol and methylene blue. The flower-like catalysts, which exhibit excellent magnetic properties, can be easily recycled and retain >93% conversion for at least six cycles
这项研究提出了一种有效的途径,以合成具有良好控制的大小和形状的三维(3D)花状,涂银的磁性(Fe 3 O 4 @SiO 2 @Ag)微复合材料。制成的微花由提供足够的磁响应性能和良好分散性的微米级Fe 3 O 4 @SiO 2核以及具有高比表面积和多维催化活性位点的高支链Ag壳组成。 。Fe 3 O 4 @SiO 2上的Ag种子微球在花状结构的形成中起着关键作用,可以通过化学镀大量大量生产。此外,通过改变实验参数可以很好地控制微复合材料的表面形态。合成了四种具有良好表面形貌的复合材料,以系统地研究表面纳米结构对催化还原反应性能的影响。高度分支的微花在减少4-硝基苯酚和亚甲基蓝方面显示出比非分支或小分支结构显着更高的催化活性。花状催化剂显示出优异的磁性,可以轻松地回收利用,并保持> 93%的转化率至少六个循环。因此,Fe 3 O4 @SiO 2 @Ag微型花可以是用于各种催化还原的有效且可回收的催化剂。