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Heterogeneous Catalysis P. Ferrini, R. Rinaldi* Catalytic Biorefining of Plant Biomass to Non-Pyrolytic Lignin Bio-Oil and Carbohydrates through Hydrogen Transfer Reactions Lignin finds its true destiny: A catalytic biorefining method results in the isolation of depolymerized lignin, that is, a non-pyrolytic lignin bio-oil, in addition to pulps that are amenable to enzymatic hydrolysis. The lignin bio-oil is highly susceptible to hydrogenation under mild conditions, and therefore, a unique pathway for lignin valorization by heterogeneous catalysis has been established.
Angew. Chem. Int. Ed. DOI: 10.1002/anie.201403747
Chromophores J. A. Rombouts, J. Ravensbergen, R. N. Frese, J. T. M. Kennis, A. W. Ehlers, J. C. Slootweg, E. Ruijter, K. Lammertsma,* R. V. A. Orru* Synthesis and Photophysics of a Red Light Absorbing Supramolecular Chromophore System Dye dyad design: The fusion of a naphthalene diimide dye to a zinc–bis-salicylimideACHTUNGRE phenylene (salphen; see figure) moiety creates an expanded red-light absorbing chromophore with an embedded metal atom for supramolecular interaction with substituted pyri- dines. A column-chromatography-free preparation of this novel scaf- fold is described and its photophysical properties are analyzed, Chem. Eur. J. which compare favorably with the widely used supramolecular DOI: 10.1002/chem.201402398 light-harvester zinc tetraphenylporphyrin.
Self-Assembly Y. Wang, B. Li, H. Jin, Y. Zhou,* Z. Lu,* D. Yan Dissipative Particle Dynamics Simulation Study on Vesicles Self-Assembled from Amphiphilic Hyperbranched Multiarm Copolymers Normal or the reverse: The formation mechanism and dynamics of both normal and reverse branched polymersomes from hyper- branched multiarm copolymers were studied in detail through dissi- pative particle dynamics simulations. A “unimers-to-spheres-to-mem- branes-to-vesicles” pathway without rod intermediates is disclosed. In addition, the bilayer or monolayer molecular packing models and Chem. Asian J. microphase separation behaviors of these vesicles were also studied DOI: 10.1002/asia.201402146 and compared.