Nanospheres made of aromatic amino acids: The most rigid organic...
(PhysOrg.com) -- Organic nanostructures are key elements of nanotechnology because these building blocks can be made with tailored chemical properties. Their disadvantage has been that their mechanical...
View ArticleControlling catalysts: Expert discusses new ways to drive old reactions
Like chefs in a culinary competition, catalysts must avoid distractions to quickly turn feedstock into desired products. At the University of Virginia, Professor T. Brent Gunnoe and his team are...
View ArticleTake your vitamins: Tocopherol derivatives as new dioxin receptor antagonists
(PhysOrg.com) -- When reactive oxygen species (ROS) hit the body, vitamin E helps to prevent damage to tissues and cells by acting as an antioxidant. The health benefits of vitamin E are numerous, and...
View ArticleNew technique puts chemistry breakthroughs on the fast track
Scientists can now take that "a-ha" moment to go with a method Princeton University researchers developed and successfully tested to speed up the chances of an unexpected yet groundbreaking...
View Article'Half-sandwich' rare-earth catalysts provide unprecedented directional...
Methoxybenzene, commonly known as 'anisole' because of its aniseed aroma, is an important compound in organic chemistry. Anisole-type frameworks are found in numerous molecules ranging from pheromones...
View ArticleA liquid crystal force to reckon with
A need for fast, solution-based processing of organic electronic devices has sparked increased interest in 'discotic' or disc-shaped liquid crystals. These molecules, which contain a flat aromatic core...
View ArticleCatalytic tandem reaction for conversion of lignin and bio-oil by...
(Phys.org) —Biomass, which is useful as a supplement or replacement for petroleum, is processed in biorefineries and can be used as fuels or starting materials for the production of chemicals. However,...
View ArticleAn odd couple: Photoluminescent liquid crystals based on metal clusters
(PhysOrg.com) -- Combine liquid crystals (mesogens) and metal clusters and you get clustomesogens -- a new class of compounds, the first examples of which have now been produced by scientists at the...
View ArticleMolecular visual illusion: Aromatic ring system reminiscent of M.C. Escher's...
(PhysOrg.com) -- Who hasn't seen M.C. Escher's famous picture of the stairs that appear to always go up even though they form a closed circle? This tricky visual illusion is also known as a Penrose...
View ArticleSandwich in a pumpkin: Supramolecular velcro for underwater adhesion
(Phys.org)—When gluing things together, both surfaces usually need to be dry. Gluing wet surfaces or surfaces under water is a challenge. In the journal Angewandte Chemie, Korean scientists have now...
View ArticleTrapping free electrons with polycyclic aromatic molecules creates better...
Replacing traditional semiconductors with flexible and lightweight organic components has the potential to realize significant cost savings for manufacturers. Recently, a promising class of organic...
View ArticleLow-cost molecule boosts stability and amplification characteristics of...
Replacing traditional rigid silicon wafers with semiconductors made from flexible polymers would herald an age of advanced, 'wearable' electronics. Switching to these semiconductors, known as organic...
View ArticlePolymers with dual fluorescent and magnetic imaging capabilities boost...
Molecular probes that selectively latch onto tumor cells and emit imaging signals can detect cancer without invasive procedures. These tools, however, have specific deficiencies. Fluorescent probes...
View ArticleBuilding better molecules for bendable electronics
Organic semiconductors made from small aromatic molecules can be dissolved and screen-printed onto many substrates, including plastics, opening the path for 'flexible' electronic devices such as...
View ArticleA new 'Kabuto-like' nickel catalyst forms bioactive frameworks from phenol...
Researchers at ITbM, Nagoya University developed a new nickel catalyst with a "Kabuto-like" structure that was found to catalyze the cross-coupling reaction between carbonyl compounds and readily...
View ArticleNew catalyst to create chemical building blocks from biomass
University of Tokyo researchers have developed a novel selective catalyst that allows the creation of several basic chemicals from biomass instead of petroleum. This discovery may lead to the use of...
View ArticleNew inorganic aromatic ion
(Phys.org)—Aromatic molecules are a staple of organic chemistry. Aromatics, like benzene, have a unique pi-electron character that makes the ring structure exceptionally stable. While aromatics are...
View ArticlePhosphorus-based ligand facilitates palladium-catalyzed complex molecules
The scope and productivity of an essential palladium-catalyzed coupling reaction that generates complex molecules has been improved thanks to A*STAR research that uses low-reactivity materials.
View ArticleBreaking reactivity barriers
The scope and productivity of an essential palladium-catalyzed coupling reaction that generates complex molecules has been improved thanks to A*STAR research that uses low-reactivity materials.
View ArticleScientists develop one-step process for making precursors
A one-step solution to make nitrogen-laden molecular precursors for the preparation of drugs and other bioactive molecules has been discovered by researchers at Rice University, the University of Texas...
View ArticleScientists synthesize a new photo-activatable molecule
LMU chemists have synthesized a new photo-activatable molecule, which shows 2-dimensional switching behavior – an essential prerequisite for the construction of complex molecular machines.
View ArticleNovel microbial geldanamycin derivatives and cyclopentenone ansamycins from...
Digging around in the dark can sometimes lead to interesting results: in the acidic waters of an abandoned coal mine in Kentucky (USA), researchers discovered ten previously unknown microbial natural...
View ArticleEnzyme structures illuminate mechanism behind bacteria's bioremediation prowess
Bacteria, like humans and animals, must eat. Sometimes, they consume a pollutant in the environment that humans want to get rid of, a process called bioremediation. Investigating the enzymes used by...
View ArticleMetal-catalyzed addition of saturated carbon into C-C bonds: A relevant...
(Phys.org)—Type II polyketides are a class of compounds found in nature as secondary metabolites derived from microorganisms. Their complex structures are characterized by fused polycyclic aromatic...
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