A Perfect Technique For Cilengitide

In fact, we cannot exclude the presence of spurious amounts of iron also in the original salt melt, as it is a natural companion in salt stocks (find more the graphene-like structures are much easier to find compared with the samples obtained without added catalyst. Through a centrifugation procedure, these graphene flakes can be readily extracted from the bulk sample and observed with AFM (Figure S7). Most of the structures as observed with TEM are thin graphite oligo-stacks, which lead to a sharp graphite peak at 2�� = 26�� and well-defined D and G peaks in the Raman spectra, thus also implying significant growth in the third dimension. To obtain isolated thin-layer graphenes with high purity, carbonization still needs to be carried out in a diluted manner at low glucose concentration. Interestingly, the catalytically derived MS-graphene becomes magnetic even after washing with HCl solution, which implies that the remaining iron is trapped at or intercalated in between the graphene layers. In summary, a green and scalable graphene synthesis in liquid media through carbonization of glucose in molten salts has been demonstrated. We found that the salts played an important learn more role in the formation of the microstructure as well as the porosity of the MS-carbons. We further showed that at low monomer concentrations, the MS is able to dissolve the intermediates and convert completely the carbon source to graphene layers. The useful nature of the MS-graphene was exemplified by its extraordinary selectivity and capacity for absorption of organic liquids. The results presented herein not only open up a new, simple, and versatile synthetic route to carbon materials, but also indicate the potential to perform new carbon chemistry in MS that deserves further systematic investigations. All chemicals used in this study were Cilengitide purchased from Sigma�CAldrich and used without any further purification procedure. In a typical process, a carbohydrate (D-glucose monohydrate) was mixed with a eutectic composition of LiCl/KCl (45:55 by weight) with different ratios (1:10 or 1:100), and then the powders were homogenized with a ball mill. The powder mixture was then filled into a ceramic crucible and afterwards loaded into an electric furnace equipped with a continuous nitrogen flow. After flushing with nitrogen for 100 min, the system was ramped at 5 ��C min?1 to the carbonization temperature and kept at this temperature for 5 h. The system was finally cooled to ambient temperature by switching off the power; meanwhile, the nitrogen flow was maintained until the temperature reached below 40 ��C. The as-obtained block of products was crushed into particles and washed with a sufficient amount of water to remove the salts.