Molecule Current Events

Molecule Current Events, Molecule News Articles.
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Fluorescent molecules reveal how cancer cells are inhibited
A team of researchers at Lund University in Sweden has developed a fluorescent variant of a molecule that inhibits cancer stem cells. Capturing images of when the molecule enters a cell has enabled the researchers, using cell-biological methods, to successfully describe how and where the molecule counteracts the cancer stem cells. (2018-06-25)

Transforming 'noise' into mechanical energy at nanometric level
A team of researchers at the Freie Universität Berlin, co-ordinated by José Ignacio Pascual (current leader of the Nanoimagen team at CIC nanoGUNE), have developed a method that enables efficiently using the random movement of a molecule in order to make a macroscopic-scale lever oscillate. The research was published in Science. (2012-11-22)

OU professor teams with German scientists on discovery of rare molecule
James Shaffer, professor in the OU Department of Physics, was part of the German-led team that made the recent discovery that some say demonstrates a (2009-05-07)

RNA springs
group of scientists at SISSA proposes a quick alternative for predicting the internal dynamics of RNA molecules (how the different parts move in relation to each other). This simple solution, which uses beads and springs, provides similar results to other, more complex and expensive techniques for analyzing molecules that are currently in use. The study was published in the journal Nucleic Acids Research. (2015-07-17)

Less is more
Protein labeling with synthetic fluorescent probes is a key technology in chemical biology and biomedical research. A sensitive and efficient modular labeling approach was developed on the basis of a synthetic small-molecule recognition unit (Ni-trisNTA) and the genetically encoded minimal protein His6-10-tag. (2015-09-10)

Moving the needle on nanoscale imaging with single-molecule magnets
Amid intense research focus on magnetic single atoms and molecules -- which could serve as the smallest possible memory elements in quantum computing -- researchers report creating a sensor capable of measuring and imaging magnetic structures and interactions at the atomic scale, in unprecedented detail. (2019-05-16)

Teasing apart the molecules of life
Fifty years after James Watson and Francis Crick's publication of the structure of DNA, research in the latest issue of the Journal of Biology shows how scientists can now measure the forces needed to tear the DNA double helix apart. The work was carried out using the first successful simultaneous combination of two important techniques for looking at single molecules - single molecule fluorescence and optical trapping. (2003-02-24)

Migration alert -- How tumor cells home in on the lymphatic system
A Swiss-based research team has published a new mechanistic description of how tumor cells migrate to the lymphatic system in the early stages of tumor metastasis. This new understanding holds significant potential for developing anti-metastasis therapies. (2007-06-11)

Laser physics: Transformation through light
Laser physicists have taken snapshots of how C60 carbon molecules react to extremely short pulses of intense infrared light. (2019-02-12)

Scientists discover molecule that could revert celular ageing
Researchers at Instituto de Medicina Molecular (iMM) João Lobo Antunes have found that manipulating a single RNA molecule is enough to revert celular ageing. (2018-01-08)

Electron caught in the act
Australia's fastest camera has revealed the time it takes for molecules to break apart. The experimental research, conducted by Griffith University's Centre for Quantum Dynamics, aims to help in the design of new molecules for materials science or drug discovery. (2017-06-19)

Butterfly molecule may aid quest for nuclear clean-up technology
Scientists have produced a previously unseen uranium molecule, in a development that could help improve clean-up processes for nuclear waste. (2012-03-12)

Real-time observation of the DNA-repair mechanism
For the first time, researchers at Delft University of Technology have witnessed the spontaneous repair of damage to DNA molecules in real time. They observed this at the level of a single DNA molecule. Insight into this type of repair mechanism is essential as errors in this process can lead to the development of cancerous cells. Researchers from the Kavli Institute of Nanoscience Delft publish this in the leading scientific journal Molecular Cell. (2008-05-22)

Copper compound as promising quantum computing unit
Chemists at Friedrich Schiller University in Jena (Germany) have now synthesised a molecule that can perform the function of a computing unit in a quantum computer. They report on their work in the current issue of the research journal Chemical Communications. (2018-12-11)

Ushering in ultrafast cluster electronics
A new computational method can help fast track the development of tiny, ultrafast electronic devices made from small clusters of molecules. (2019-04-03)

How solvent molecules cooperate in reactions
Molecules from the solvent environment that at first glance seem to be uninvolved can be essential for chemical reactions. This has been shown by researchers studying the formation of an ether in pure solvents and in their mixtures. They explained the underlying mechanisms in detail using advanced spectroscopic and theoretical techniques. Conclusion: even solvent molecules that do not participate directly in the reaction are essential for the reaction process and can significantly influence reaction partners. (2016-10-06)

Zeptoseconds: new world record in short time measurement
In the global race to measure ever shorter time spans, physicists from Goethe University Frankfurt have now taken the lead: together with colleagues at the accelerator facility DESY in Hamburg and the Fritz-Haber-Institute in Berlin, they have measured a process that lies within the realm of zeptoseconds for the first time: the propagation of light within a molecule. A zeptosecond is a trillionth of a billionth of a second (10 exp -21 seconds). (2020-10-16)

OU physicists first to create new molecule with record-setting dipole moment
A proposed pathway to construct quantum computers may be the outcome of research by a University of Oklahoma physics team that has created a new molecule based on the interaction between a highly-excited type of atom known as a Rydberg atom and a ground-state atom. A unique property of the molecule is the large permanent dipole moment, which reacts with an electric field much like a bar magnet reacts with a magnetic field. (2015-04-03)

Exploring the conversion of heat to electricity in single molecules
Researchers at Osaka University investigated the influence of the geometry of single-molecule devices on their ability to produce electricity from heat. They fabricated devices consisting of a single molecule bridging gold electrodes and measured device electrical conductance and thermovoltage simultaneously. The devices with thiol-gold contacts displayed the highest thermovoltage when the gold-thiol bond was stretched, revealing that the thermoelectric performance of single-molecule devices can be modulated through geometry control. (2017-05-09)

A probable cause for high blood pressure identified - shows links with diabetes
A study published in this week's Proceedings of the National Academy of Sciences identified the molecule that binds to a receptor (a molecule on the cell surface that triggers a reaction within the cell) in the brain that is known to regulate blood pressure and release of insulin. Furthermore, the researchers discovered that this molecule acts as a neurotransmitter, in that it conveys messages throughout different regions of the brain. (2004-09-13)

Manufacturing 'made to measure' atomic-scale electrodes
Thanks to collaborative work between scientists in Donostia-San Sebastian and the University of Kiel (Germany) it has been shown that it is possible to determine and control the number of atoms in contact between a molecule and a metal electrode of copper, at the same time as the electric current passing through the union being recorded. These results were published in the Nature Nanotechnology journal. (2010-11-30)

Genetically engineered blood protein can be used to split water into oxygen and hydrogen
Scientists have combined two molecules that occur naturally in blood to engineer a molecular complex that uses solar energy to split water into hydrogen and oxygen, says research published today in the Journal of the American Chemical Society. (2006-12-01)

Molecular telegraphy: precisely sending and receiving single molecules
Researchers of the University of Graz, Austria, managed to send single molecules to a distant location and receive them from there. The study appears as the cover story in the current issue of the magazine Science. (2020-11-19)

Chemists discover molecule considered too unstable to exist
Organic chemistry textbooks will need to be revised to recognize a chemical species that chemists have discovered at Northwestern University. The species -- pentamethylcyclopentadienyl cation -- was thought not to exist for long because theory said it was unstable. The researchers found that the cation (a positively charged ion) is stable in the solid state for weeks at room temperature and in solution. (2002-04-12)

Designer molecule shines a spotlight on mysterious 4-stranded DNA
A small fluorescent molecule has shed new light on knots of DNA thought to play a role in regulating how genes are switched on and off. (2015-09-09)

Across the metal-molecule interface: Observing fluctuations on the single-molecule scale
Scientists at Tokyo Institute of Technology (Tokyo Tech) have developed a technique for analyzing structural and electronic fluctuations on the single-molecule scale across the metal-molecule interface in an organic electronic device. This technique provides information that cannot be obtained using the conventional method, and it has important implications for devices such as organic solar cells. (2018-03-08)

Precisely defined polymer chains now a reality
The materiality exhibited by manmade polymers currently relies on simple chemical bonds and the sequence order taken by molecules in the polymer chain. We now no longer need to rely on fate to determine such materiality with this new technique for precisely defining polymer-chain order. This system uses highly specific 'grabber' ends on each molecule that bond with only one type of 'pin' end on another molecule. (2017-09-21)

Largest molecular spin found close to a quantum phase transition
An international research team headed by Professor Dr Annie Powell, a chemist at the Karlsruhe Institute of Technology (KIT), and Professor Dr Jürgen Schnack, a physicist at Bielefeld University, has synthesized a new magnetic molecule. The team has confirmed that this reveals the largest ground state spin attained so far. It is publishing its new findings today (26.02.2018) in the new Nature partner journal (2018-02-26)

New Brandeis research sheds light on memory by erasing it
For years, scientists have studied the molecular basis of memory storage, trying to find the molecules that store memory, just as DNA stores genetic memory. In an important study published this week in the Journal of Neuroscience, Brandeis University researchers report for the first time that memory storage can be induced and then biochemically erased in slices of rat hippocampus by manipulating a so-called (2007-05-08)

Yale scientists find molecular glue needed to wire the brain
Yale University researchers have found that a single molecule not only connects brain cells but also changes how we learn. The findings, reported in the Dec. 9 issue of the journal Neuron, may help researchers discover ways to improve memory and could lead to new therapies to correct neurological disorders. (2010-12-08)

Stretching single molecules allows precision studies of interacting electrons
With controlled stretching of molecules, Cornell researchers have demonstrated that single-molecule devices can serve as powerful new tools for fundamental science experiments. Their work has resulted in detailed tests of long-existing theories on how electrons interact at the nanoscale. (2010-06-10)

An antibody-mimicking small molecule protects mice against lethal influenza
Researchers present a newly identified small molecule influenza inhibitor, which, when administered orally, is capable of protecting mice from extremely lethal doses of influenza. (2019-03-07)

Media highlights for February in Biophysical Journal
A new and notable article titled (2008-03-10)

Rotating A Single Oxygen Molecule
Cornell University researchers have isolated a single oxygen molecule adsobed on a platinum and caused it to rotate on command by applying pulses of current from a scanning tunneling microscope. The principle could some day be applied for data storage in ultra-small devices. (1998-03-20)

An obstacle to cancer cells
The circulation of cancer cells through the blood vessels is often the cause of metastasis. These cancer cells contaminate normal cells and the pathology spreads throughout the body. Metastasis is the main risk in cancers. In order to prevent this process from occurring, a team from the Chemistry Faculty at the Donostia-San Sebastián campus of the University of the Basque Country (UPV-EHU) analysed the connections between cancer and normal cells. (2005-12-16)

How cancer cells start new tumor sites
A study in the Journal of Biological Chemistry has revealed details of the complex molecular process involving a protein that enables cancer cells to establish tumors in distant parts of the body. The finding could lead the way to new drugs to prevent breast cancer and other cancers from spreading to new sites. (2012-03-14)

Researchers have a new twist on asymmetric catalysis
Researchers at Osaka and Iwate Medical University developed an efficient and simple chemical synthesis of a new kind of twisted helicene molecule containing a sulfur group, thiophene. The unusual screw-like asymmetry of the molecules could be useful for making drugs and other types of chemicals in their pure single-enantiomer forms. (2017-09-26)

UCR involved in discovery of diabetes fighting molecule
University of California, Riverside Assistant Professor of Bioengineering, Jiayu Liao played a pivotal role in the discovery of a small molecule that has been shown to control diabetes in mice and may pave the way to the development of easier treatment for adult-onset diabetes. This discovery was a collaboration between Liao at UC Riverside's Bourns College of Engineering and a team in the National Center for Drug Screening, Shanghai, which is part of the Chinese Academy of Science. (2007-01-23)

Elucidation of vibration energy of a single molecule in an external force field
The vibration of a molecule on a surface contains critical information on the molecule-surface interaction, crucial for understanding surface phenomena and for important processes like catalysis. It was previously investigated with a scanning probe microscopy, but the probe tip appeared to exert a force on the molecule, affecting the vibration. Here, by combining STM, AFM and model calculations, the experimental results were precisely reproduced; the molecule-surface interactions were weakened by the probe tip proximity. (2018-05-10)

Watching the birth and death of exotic molecules
Researchers from Korea, Italy, France and the ESRF have just observed how a molecule changes structure after being hit with a short flash of laser light. Thanks to very intense pulses of X-rays from the synchrotron and novel data analysis, they were able to confirm a long standing hypothesis regarding the evolution of this molecule. The results are published in Science Express of 14 July. (2005-07-15)

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