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.....»»
India to encourage import substitution for 5G telecom gear
India expects to unveil its home-grown 5G telecom gear in early 2023, and is reportedly considering requiring local telecom operators to procure the indigenously-made 5G telecom gear......»»
Enhanced single-nanoparticle collisions for the hydrogen evolution reaction in a confined microchannel
Single-nanoparticle (NP) collisions have enabled the measurement of electrocatalytic reactions on single NPs by the nanoconfinement-amplified current. Recently, it has been demonstrated that the electrocatalytic activity of single NPs is improved by.....»»
Sunlight-absorbing organic compounds are produced on the wet surfaces of atmospheric particles
Heterogenous oxidation reactions can occur upon mixing chemicals that are in two different physical states, such a liquid and a gas; for example, in the atmosphere the reaction of gaseous nitrate (NO3) free radicals reaching the wet surface of aeroso.....»»
New cellular protective mechanism discovered
A vast number of biological reactions occur inside cells, generating various byproducts. Some of these can be highly reactive molecules, and if they build up inside cells they can cause stress and damage. One class of these molecules, reactive sulfur.....»»
Structural determination of complex anion materials
Solid-state materials are widely used in semiconductors, phosphors, and batteries, and have become an indispensable part of modern life. Substitution of elements in these complex composite materials is a popular technique to achieve desired material.....»»
Chiral drug-like building blocks by nickel-catalyzed enantioselective olefin cross-coupling
NUS chemists have developed an effective method to access enantioenriched drug-like compounds through multicomponent olefin cross-coupling using chiral nickel-based catalysts......»»
Enzymatic reactions: Researchers reveal a regulatory mechanism by which life controls and organizes itself
Inside cells, molecular droplets form defined compartments for chemical reactions. Not only sticky interactions between molecules, but also dynamic reactions can form such droplets, as was found by researchers from the Max Planck Institute for Dynami.....»»
Layered double hydroxides for oxygen evolution reactions
To guide the design and synthesis of electrocatalysts toward highly efficient oxygen evolution reactions (OER), researchers from the Beijing University of Chemical Technology have summarized four common strategies to improve the OER performance of la.....»»
"Doctor Who" regeneration twist has internet fans ecstatic. See the best reactions.
Doctor Who introduced its Fourteenth Doctor on Sunday night in the UK, ending Jodie Whittaker's five-year tenure as the Time Lord's thirteenth incarnation. The Doctor's regeneration wasn't a surprise to anyone, with Whittaker's exit announced well in.....»»
Google Messages app to add iMessage-like reactions that iPhone users can’t see
Today, Google announced more features coming to its Messages app, including the ability to react to a text with any emoji. As you’d expect, this iMessage-like feature won’t be available to iPhone users, but they will know when an Android.....»»
Developing stable water-splitting catalysts that don"t require expensive iridium
Creating a hydrogen economy is no small task, but Rice University engineers have discovered a method that could make oxygen evolution catalysis in acids, one of the most challenging topics in water electrolysis for producing clean hydrogen fuels, mor.....»»
Mechanism of ketene transformation to gasoline catalyzed by H-SAPO-11
A joint research team led by Prof. Pan Xiulian, Prof. Bao Xinhe and Prof. Hou Guangjin from the Dalian Institute of Chemical Physics (DICP) of the Chinese Academy of Sciences (CAS) revealed the reaction mechanism of ketene transformation to gasoline.....»»
Development of high-time-resolution measurement of electron temperature and density in a magnetically confined plasma
Fusion power generation uses the energy generated by fusion reactions in high-temperature plasma. To achieve this, it is necessary to precisely measure the fast-changing high-temperature plasma to understand and control the physical phenomena......»»
Sham referendums in Ukraine see Apple pull major Russian apps [U: Restored, to mixed reactions]
Update: Apple has now restored the apps, for unknown reasons – see update at end. The Russian government’s decision to hold sham referendums in Ukraine has seen Apple pull a number of major apps in response to new sanctions. Popular Russian apps.....»»
Multiscale dynamical cross-talk in zeolite-catalyzed methanol-to-olefins reaction
Methanol-to-olefins (MTO) conversion, one of the most important reactions in C1 chemistry, has proven to be the most successful non-petrochemical industrialized routes for producing light olefins. Dalian Institute of Chemical Physics (DICP) of the Ch.....»»
Evangelical college students often feel misunderstood: What helps boost understanding between students of all faiths?
Our research team has studied college students' attitudes toward evangelicals, a topic that tends to prompt strong reactions......»»
6 Reactions to the White House’s AI Bill of Rights
Last week, the White House put forth its Blueprint for an AI Bill of Rights. It’s not what you might think—it doesn’t give artificial-intelligence systems the right to free speech (thank goodness) or to carry arms (double thank goodness), nor.....»»
Metal-organic frameworks behave like enzymes in catalysis
The construction of substrate-specific nanopockets in metal-organic frameworks (MOFs) with allosteric effects has been demonstrated to facilitate the formation of the transition state in catalytic reactions, as enzymes do......»»
Blizzard scales back Overwatch 2’s controversial phone number requirement
Those who have linked a Battle.net account can now avoid the "SMS Protect" system. Enlarge / Overwatch 2 characters offer varied reactions based on whether or not they are now exempt from Blizzard's "SMS Protect" system. Bliz.....»»
Apple Tries Its Own Fix for Android Message Reactions, Causes Confusion
The ongoing back and forth between Google and Apple concerning RCS and green bubbles took on a new level of confusion this week, when someone noticed that Apple is either taking credit for Google’s work or has created its own cross-platform rea.....»»