Iridium-catalyzed Z-retentive asymmetric allylic substitution reactions
In synthetic organic chemistry, Z-olefins are a challenging synthetic target to produce in the lab due to their relative thermodynamic instability. The Z-olefins form an unsaturated compound with a CnH2n formula that can be readily isomerized. Analog.....»»
Earth"s natural carbon sinks hold vital power in climate fight
Earth's vast habitats from the poles to the equator have robust capacity to remove carbon dioxide from the atmosphere due to previously undiscovered rock nitrogen weathering reactions that distribute natural fertilizers around the world. .....»»
New rotating liquid reactor design solves issues with current reactors
Intensified reactors are used in a variety of chemical processes. One such reactor is the rotating packed bed (RPB) reactor which uses high centrifugal forces to accelerate chemical reactions between constituents. However, the RPB reactor has a numbe.....»»
Eco-friendly drug production Nobel winner"s proudest achievement
Princeton professor David MacMillan on Wednesday won the Nobel Chemistry Prize for his work developing a new tool to scale up chemical reactions in an environmentally friendly way, known as "organocatalysis.".....»»
Tuning chemical reactions with light
The chemical industry consumes a lot of energy, not only to initiate reactions but also to separate products from by-products. In a promising emerging field of research, scientists worldwide are trying to use nanoscale antennas to capture and concent.....»»
Scientists recreate cosmic reactions to unlock astronomical mysteries
How do the chemical elements, the building blocks of our universe, get built? This question has been at the core of nuclear physics for the better part of a century......»»
An experimental loop for simulating nuclear reactors in space
Nuclear thermal propulsion, which uses heat from nuclear reactions as fuel, could be used one day in human spaceflight, possibly even for missions to Mars. Its development, however, poses a challenge. The materials used must be able to withstand high.....»»
New machine learning method to analyze complex scientific data of proteins
Scientists have developed a method using machine learning to better analyze data from a powerful scientific tool: Nuclear magnetic resonance (NMR). One way NMR data can be used is to understand proteins and chemical reactions in the human body. NMR i.....»»
Novel polymer can boost performance of organic and perovskite solar cells
Skoltech researchers and their colleagues have synthesized a new conjugated polymer for organic electronics using two different chemical reactions and shown the impact of the two methods on its performance in organic and perovskite solar cells. The p.....»»
Scientists explore the creation of artificial organelles
Cells have small compartments known as organelles that perform complex biochemical reactions. These compartments have multiple enzymes that work together to execute important cellular functions. Researchers at the Center for Soft and Living Matter wi.....»»
A catalyst that controls chemical reactions with light
POSTECH and a group of researchers developed a technology that dramatically improves the performance of plasmonic photocatalysts using 'core@shell' nanocrystals with atomically conformal metal laminations......»»
Understanding enzyme evolution paves the way for green chemistry
Researchers at the University of Bristol have shown how laboratory evolution can give rise to highly efficient enzymes for new-to-nature reactions, opening the door for novel and more environmentally friendly ways to make drugs and other chemicals......»»
A new type of super-resolution chemical microscopy
Conventional experiments in chemistry and biology study the behavior of the two, but it has been an abiding scientific challenge for scientists to observe, manipulate and measure the chemical reactions of individual molecules......»»
Facebook could be forced to sell off GIF platform Giphy in response to UK regulators
Facebook could soon be required to spin off Giphy in the UK and give up control of that company's massive library of GIFs — the animated images used by millions to express emotion and reactions across the internet......»»
Physics researchers discover new electronic phenomenon
Physics researchers at the University of North Florida's Atomic LEGO Lab discovered a new electronic phenomenon they call "asymmetric ferroelectricity." The research led by Dr. Maitri Warusawithana, UNF physics assistant professor, in collaboration w.....»»
First magnets for FAIR tested at CERN
The very first superconducting magnets have been tested at CERN for NUSTAR (Nuclear Structure Astrophysics and Reactions), one of the experiments at the future international Facility for Antiproton and Ion Research (FAIR), currently under constructio.....»»
Tracking pileups on battery charging route to drive performance
Because of their high storage capacity, metal oxides are a promising class of potential conversion-type electrode materials for next-generation lithium-ion batteries. Conversion-type electrode materials undergo conversion reactions; when they react w.....»»
"Reduction" allows for cleaner and more efficient catalytic reactions
In an ongoing effort to accelerate catalytic reactions, oxidation of metal complexes using light has emerged as a standard method to synthesize aromatic compounds. Now, researchers at Tokyo Institute of Technology have demonstrated a high-yield synth.....»»
A pathway to stable, high-activity catalysts from gold nanoclusters
Catalysts are ubiquitous, whether in the form of an enzyme in the body that digests food or the catalytic converter in the car that breaks down pollutants. Catalysts play an important role in making chemical reactions more efficient. Recently, atomic.....»»
Stereoselective alkene synthesis with non-precious nickel catalysis
NUS chemists have developed a new way to access prized tri- and tetrasubstituted alkenes through a nickel-catalyzed tandem process involving a Heck reaction followed by carbon-carbon double bond (C=C) migration......»»
How chemical reactions compute
A single molecule contains a wealth of information. It includes not only the number of each kind of constituent atom, but also how they're arranged and how they attach to each other. And during chemical reactions, that information determines the outc.....»»