Materials Science – Page 15 – En.BuradaBiliyorum.Com

Science

#Trifluoroacetic acid acts as trifluoromethylating agent in arene C-H functionalization

Admin6 years ago05 mins

“#Trifluoroacetic acid acts as trifluoromethylating agent in arene C-H functionalization” Trifluoromethylation, Chlorodifluoromethylation and Perfluoroalkylation of Arenes. Credit: JIN Jian Researchers at the Shanghai Institute of Organic Chemistry of the Chinese Academy of Sciences have developed a catalytic system that directly installs the trifluoromethyl group onto arenes. The new reaction uses simple and abundant trifluoroacetic acid…

Science

#Sustainable chemistry at the quantum level

Admin6 years ago05 mins

“#Sustainable chemistry at the quantum level” Credit: CC0 Public Domain Developing catalysts for sustainable fuel and chemical production requires a kind of Goldilocks Effect—some catalysts are too ineffective while others are too uneconomical. Catalyst testing also takes a lot of time and resources. New breakthroughs in computational quantum chemistry, however, hold promise for discovering catalysts…

Science

#Cementing the future

Admin6 years ago09 mins

“#Cementing the future” Imaging of the evolution of three cement particles. Green indicates dissolved minerals, voids and low-mass mineral compounds. Dark gray indicates solid materials. The imaging indicates that small particles tend to dissolve while larger ones grow further. Credit: Argonne National Laboratory Cement is a mineral-based material that binds together sand and rock to…

Science

#Ultrafast lasers probe elusive chemistry at the liquid-liquid interface

Admin6 years ago09 mins

“#Ultrafast lasers probe elusive chemistry at the liquid-liquid interface” Researchers at Oak Ridge National Laboratory shed new light on elusive chemical processes at the liquid-liquid interface during solvent extraction of cobalt, shown in dark blue. Credit: Michelle Lehman/ORNL, U.S. Dept. of Energy Real-time measurements captured by researchers at the Department of Energy’s Oak Ridge National…

Science

#Scientists tap novel technologies to see water as never before

Admin6 years ago04 mins

“#Scientists tap novel technologies to see water as never before” Credit: Pxhere From the creation of a single droplet to the flow of a river and the world’s hydrological cycle—how water binds together, and to different surfaces, has far-reaching consequences. Examining water through a new lens, a group of scientists has redefined how this binding…

Science

#Methanol synthesis: Insights into the structure of an enigmatic catalyst

Admin6 years ago06 mins

“#Methanol synthesis: Insights into the structure of an enigmatic catalyst” The Carbon-2-Chem project aims at using exhaust gases from industry in a feasible manner. Credit: RUB, Marquard Methanol is one of the most important basic chemicals used, for example, to produce plastics or building materials. To render the production process even more efficient, it would…

Science

#Machine learning methods provide new insights into organic-inorganic interfaces

Admin6 years ago08 mins

“#Machine learning methods provide new insights into organic-inorganic interfaces” By combining two new machine-learning methods, TU Graz physicist Oliver Hofmann was able to refute theories on long-range charge transfer between organic and inorganic materials. Credit: Baustädter – TU Graz Oliver Hofmann and his research group at the Institute of Solid State Physics at TU Graz…

Science

#Developing new smart soft materials: Synthesis of a pH-responsive dendronized poly(substituted methylene)s

Admin6 years ago04 mins

“#Developing new smart soft materials: Synthesis of a pH-responsive dendronized poly(substituted methylene)s” Vinyl polymerization and C1 polymerization. Credit: Ehime Uniersity C1 polymerization is a useful technique for preparing polymers with a carbon-carbon main chain. This technique constructs a polymer backbone from ‘one carbon unit,’ in contrast to conventional vinyl polymerization, which produces polymers from a…

Science

#Hydrogel paves way for biomedical breakthrough

Admin6 years ago06 mins

“#Hydrogel paves way for biomedical breakthrough” Dr Behnam Akhavan, University of Sydney. Credit: University of Sydney Published in Advanced Functional Materials, a University of Sydney team of biomedical engineers has developed a plasma technology to robustly attach hydrogels—a jelly-like substance which is structurally similar to soft tissue in the human body—to polymeric materials, allowing manufactured…

Science

#Safer, longer-lasting energy storage requires focus on interface of advanced materials

Admin6 years ago09 mins

“#Safer, longer-lasting energy storage requires focus on interface of advanced materials” A forward-looking review encourages scientists to study electrode-ionic liquid coupling, which occurs at the interface of electrodes and electrolytes, when developing safer, more stable and efficient energy storage devices. Credit: Xuehang Wang/Drexel University Scientists seeking ways to improve a battery’s ability to hold a…