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Physicists use lasers to capture first snapshots of rapid chemical bonds breaking

(Kansas State University) Kansas State University researchers are part of an international team that has used a molecule's own electrons to scatter the molecule -- a process called mid-infrared laser-induced electron diffraction, or LIED -- and capture snapshots of acetylene as it is breaking apart.

Converting optical frequencies with 10^(-21) uncertainty

(Science China Press) An optical frequency divider, which can accurately divide an optical frequency with a preset arbitrary ratio to several other wavelengths, is demonstrated by scientists in China. During division, the coherence and frequency accuracy of the input light is faithfully transferred to the output light. Show More Summary

Identification of genome-wide cisplatin cross-linking sites with DNA base resolution

Cisplatin is one of the most widely used agents in cancer chemotherapy. Its mode of action is cross-linking of the DNA, which can kill cells. But which part of the genome is more affected, and which is less affected? A Chinese team of...Show More Summary

Non-metal catalyst splits hydrogen molecule

Hydrogen (H2) is an extremely simple molecule and yet a valuable raw material which as a result of the development of sophisticated catalysts is becoming more and more important. In industry and commerce, applications range from food and fertilizer manufacture to crude oil cracking to utilization as an energy source in fuel cells. Show More Summary

The next frontier in medical sensing—threads coated in nanomaterials

Doctors have various ways to assess your health. For example, they measure your heart rate and blood pressure to indirectly assess your heart function, or straightforwardly test a blood sample for iron content to diagnose anemia. But there are plenty of situations in which that sort of monitoring just isn't possible.

Structure of hydrogen-stuffed, quartz-like form of ice revealed

Did you know that there are at least 17 crystalline forms of ice, many of them formed under extreme pressures, such as those found in the interiors of frozen planets? New work from a team led by Carnegie's Timothy Strobel has identified...Show More Summary

A new class of materials could realize quantum computers

(Ecole Polytechnique Fédérale de Lausanne) Scientists at EPFL and PSI have discovered a new class of materials that can prove ideal for the implementation of spintronics.

New nanomedicine approach aims to improve HIV drug therapies

(University of Liverpool) New research led by the University of Liverpool aims to improve the administration and availability of drug therapies to HIV patients through the use of nanotechnology.

Researchers find way to tune thermal conductivity of 2-D materials

(North Carolina State University) Researchers have found an unexpected way to control the thermal conductivity of two-dimensional (2-D) materials, which will allow electronics designers to dissipate heat in electronic devices that use these materials.

Reactions: David Sarlah

David Sarlah is in the Department of Chemistry at the University of Illinois and works in the area of synthetic organic chemistry. David recently published “Dearomative dihydroxylation with arenophiles” in Nature Chemistry.  Read mo...

Safe Hydrogen Storage

Wax rapidly releasing hydrogen-rich gases could be key to future of hydrogen-fuelled cars

Introduction to Assigning (R) and (S): The Cahn-Ingold-Prelog Rules

This post was co-authored by Matt Pierce of Organic Chemistry Solutions.  Ask Matt about scheduling an online tutoring session here. Previously on MOC we’ve described enantiomers: molecules that are non-superimposable mirror images of each other. Perhaps the most memorable example is these “enantiocats”. Each of these cats is said to be “chiral”: they lack a plane […]

Stanford researchers create new special-purpose computer that may someday save us billions

(Stanford University) Combining optical and electronic technology, Stanford researchers have made a new type of computer that can solve problems that are a challenge for traditional computers.

Move over, lasers: Scientists can now create holograms from neutrons, too

(National Institute of Standards and Technology (NIST)) For the first time, scientists have used neutron beams to create holograms of large solid objects, revealing details about their interiors in ways that ordinary laser light-based visual holograms cannot.

Smashing metallic cubes toughens them up

(Rice University) Rice University scientists smash silver micro-cubes at near supersonic speeds to see how deforming their crystalline structures can make them both stronger and tougher. The research could lead to better materials for high-impact applications like bulletproof vests, vehicle collision protection and advanced material processing techniques.

Molecular selfie reveals how a chemical bond breaks: Proton is seen escaping the molecule

(ICFO-The Institute of Photonic Sciences) Scientists can now directly track the locations of all the atoms of an entire molecule while one of its bonds breaks and a single proton escapes.

Ultralow power transistors could function for years without a battery

(University of Cambridge) A new design for transistors which operate on 'scavenged' energy from their environment could form the basis for devices which function for months or years without a battery, and could be used for wearable or implantable electronics.

New perovskite solar cell design could outperform existing commercial technologies

(Stanford University) Stanford and Oxford scientists have created new perovskite solar cells that that could rival and even outperform conventional cells made of silicon. The novel technology is made with tin and other inexpensive, abundant materials.

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