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Rabi oscillations in a stretching molecule

Over eighty years ago, Rabi oscillations were proposed to describe the strong coupling and population transfer in a two-level quantum system exposed to an oscillatory driving field. As compared to atoms, molecules have an extra degree of vibration, w.....»»

Category: topSource:  theglobeandmailFeb 3rd, 2023

Stretching changes the electronic properties of graphene

The electronic properties of graphene can be specifically modified by stretching the material evenly, say researchers at the University of Basel. These results open the door to the development of new types of electronic components......»»

Category: topSource:  physorgRelated NewsJun 29th, 2021

New molecule found in chestnut leaves disarms dangerous staph bacteria

Scientists have isolated a molecule, extracted from the leaves of the European chestnut tree, with the power to neutralize dangerous, drug-resistant staph bacteria. Frontiers in Pharmacology has published the finding, led by scientists at Emory Unive.....»»

Category: topSource:  physorgRelated NewsJun 28th, 2021

Just mix it up: New synthetic method for making amphiphilic molecules without additives

Amphiphilic molecules, which aggregate and encapsulate molecules in water, find use in several fields of chemistry. The simple, additive-free connection of hydrophilic and hydrophobic molecules would be an efficient method for amphiphilic molecule sy.....»»

Category: topSource:  physorgRelated NewsJun 28th, 2021

A "tasty" protein may lead to new ways to treat metabolic and immune diseases

The same taste-sensing molecule that helps you enjoy a meal from your favorite restaurant may one day lead to improved ways to treat diabetes and other metabolic and immune diseases......»»

Category: topSource:  physorgRelated NewsJun 24th, 2021

Physicists use electric fields to induce oscillations in tiny particles

A challenging frontier in science and engineering is controlling matter outside of thermodynamic equilibrium to build material systems with capabilities that rival those of living organisms. Research on active colloids aims to create micro- and nanos.....»»

Category: topSource:  physorgRelated NewsJun 24th, 2021

This molecule is made from sugar, shaped like a doughnut, and formed using light

A process using a light-sensitive chemical can drastically reduce cost and energy consumption to produce gamma-cyclodextrin, a compound that is widely used in manufacturing, according to a Dartmouth study......»»

Category: topSource:  informationweekRelated NewsJun 21st, 2021

Ozone pollution has increased in Antarctica

Ozone is a pollutant at ground level, but very high in the atmosphere's "ozone layer," it absorbs damaging ultraviolet radiation. Past studies have examined ozone levels in the Southern Hemisphere, but little is known about levels of the molecule in.....»»

Category: topSource:  physorgRelated NewsJun 16th, 2021

Fuel flow, heat fluctuations drive dangerous oscillations in rocket engines

Combustion engines can develop high frequency oscillations, leading to structural damage to the engines and unsafe operating conditions. A detailed understanding of the physical mechanism that causes these oscillations is required but has been lackin.....»»

Category: topSource:  physorgRelated NewsJun 15th, 2021

Machine learning aids in materials design

A long-held goal by chemists across many industries, including energy, pharmaceuticals, energetics, food additives and organic semiconductors, is to imagine the chemical structure of a new molecule and be able to predict how it will function for a de.....»»

Category: topSource:  physorgRelated NewsJun 11th, 2021

Hydrogen sulfide critical to innate ability of bacteria to survive antibiotics

The signaling molecule hydrogen sulfide (H2S) plays a critical role in antibiotic tolerance, the innate ability of bacteria to survive normally lethal levels of antibiotics, a new study finds......»»

Category: topSource:  physorgRelated NewsJun 10th, 2021

Rapamycin changes the way our DNA is stored

Our genetic material is stored in our cells in a specific way to make the meter-long DNA molecule fit into the tiny cell nucleus of each body cell. An international team of researchers at the Max Planck Institute for Biology of Aging, the CECAD Clust.....»»

Category: topSource:  physorgRelated NewsJun 9th, 2021

Key to carbon-free cars? Look to the stars

For nearly half a century, astrophysicists and organic chemists have been on the hunt for the origins of C6H6, the benzene ring—an elegant, hexagonal molecule comprised of 6 carbon and 6 hydrogen atoms......»»

Category: topSource:  pcmagRelated NewsJun 9th, 2021

New light on making two-dimensional polymers

An international research team with members from Linköping University, the Technical University of Munich and the Deutsches Museum among others, has developed a method to manufacture two-dimensional polymers with the thickness of a single molecule......»»

Category: topSource:  physorgRelated NewsJun 9th, 2021

Researchers identify a molecule critical to functional brain rejuvenation

A new study has identified a molecule called ten-eleven-translocation 1 (TET1) as a necessary component in the repair of myelin, which protects nerves and facilitates accurate transmission of electrical signals. The discovery could have important imp.....»»

Category: topSource:  pcmagRelated NewsJun 7th, 2021

A missing antibody molecule may indicate when dengue will become deadly

The antibody's altered structure helps explain an enduring mystery of dengue -- why only a fraction of those infected will develop severe disease......»»

Category: biomedSource:  sciencedailyRelated NewsJun 4th, 2021

Zika virus RNA found in free-ranging African bats

Scientists have detected Zika virus RNA in free-ranging African bats. RNA, or ribonucleic acid, is a molecule that plays a central role in the function of genes......»»

Category: biomedSource:  sciencedailyRelated NewsJun 3rd, 2021

Molecule.one grows its drug synthesis AI platform with a $4.6M seed round

Polish computational chemistry outfit Molecule.one has raised $4.6M to expand its quest to bring theoretical drug molecules to reality. Its machine learning systems predict the best ways to synthesize potentially valuable molecules, a crucial part of.....»»

Category: gadgetSource:  techcrunchRelated NewsJun 1st, 2021

Novel technique to automate production of pharmaceutical compounds

The discovery and development of new small-molecule compounds for therapeutic use involves a huge investment of time, effort and resources. Giving a new spin to conventional chemical synthesis, a team of researchers from the National University of Si.....»»

Category: topSource:  physorgRelated NewsJun 1st, 2021

The birth of a subnanometer-sized soccer ball

Ever since the existence of molecules was proven and molecular reactions were predicted, humans have wanted to visually observe how such events proceed. Such observations of single-molecule reactions are highly important for the fundamental understan.....»»

Category: topSource:  physorgRelated NewsMay 24th, 2021

Scientist dated some of the oldest stars with unprecedented precision

Scientists have succeeded in dating some of the oldest stars in the galaxy with unprecedented precision by combining data from the stars' oscillations with information about their chemical composition......»»

Category: topSource:  physorgRelated NewsMay 17th, 2021