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Stories about: molecules


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New Protein Controlling Brain Function Identified

Researchers at the University of Bristol, in the United Kingdom, announce the discovery of an interesting link between the SUMO molecule and kainate receptors, a series of proteins involved in a number of conditions. The work may lead to the creation of new drugs against epilepsy and stroke. SUMOs (Small Ubiquitin-...

23 April 2012
04:52 GMT

Protein Involved in Building Tissues Identified

A group of biologists in the United States announces the discovery of a new protein in fruit flies. The molecule plays an important role in allowing the diminutive insect's wings to develop properly. An analog may exist in humans as well, and identifying it could lead to developing treatments for a host of medic...

3 April 2012
04:29 GMT

Double-Slit Experiment Carried Out with 114-Atom Molecules

Physicists from the University of Vienna in Austria announce the completion of the largest iteration of the famous double-slit experiment (DSE). They managed to use very massive molecules, containing either 58 or 114 atoms, while replicating the centuries-old study. The DSE represents one of the most significant fou...

26 March 2012
05:00 GMT

Atoms Moving Inside Molecules Caught on Tape

A team of investigators from the Ohio State University announces that it managed to capture images of two atoms vibrating within a molecule. This is the first time direct observations of this phenomena were conducted. The experiment was made possible through the use of a new, ultra-fast camera, able to produce real...

8 March 2012
08:27 GMT

Plants Wake Up Early to Prepare for Battle

Rice University scientists discovered in a new study that plants begin their preparations for the day's battle with hungry insects even before the Sun comes up. They studied a case where the plants were getting ready to fend off hungry caterpillars. Researches such as this are conducted in order to gain a bette...

14 February 2012
04:28 GMT

First 3D Images Acquired of Individual Proteins

A group of experts at the U.S. Department of Energy's (DOE) Lawrence Berkeley National Laboratory (Berkeley Lab) were recently able to produce the first 3D image of an individual protein ever obtained. This was made possible when scientists at the lab's Molecular Foundry pushed their Zeiss Libra 120 Cryo-T...

25 January 2012
16:31 GMT

Nanotube Track Individual Molecules in Water

A group of investigators based at the US Department of Energy's Los Alamos National Laboratory announces the development of a study technique that allows semiconducting carbon nanotubes to identify and track individual molecules through water. This finding is extremely important due to the massive number of ph...

11 January 2012
03:00 GMT

Acupuncture May Be Able to Reduce Stress

A study published in the December online issue of the journal Experimental Biology and Medicine indicates that acupuncture may indeed be effective in reducing concentrations of a chemical linked to stress in the brain. The work, carried out on lab rats, may be applicable to humans as well. The protein-like substanc...

23 December 2011
03:00 GMT

Protein Triggers Grasshopper Swarms

In a study conducted on a species of grasshopper called the Desert Locust, researchers finally managed to identify what makes the creatures move from a solitary, secluded phase to a gregarious one. Apparently, it all comes down to the actions of a single molecule. The research team explains that the molecule they i...

20 December 2011
06:15 GMT

Experts Gain New Insights into DNA-Damaging Processes

A group of British researchers recently carried out a study in which they emulated the processes through which DNA material inside living cells is damaged. They learned that the thickness of the membrane separating the cells from their environment plays a critical role in the process. The work was carried out with ...

12 December 2011
08:46 GMT

Nanocrystals Bear All for Scientists

Investigators in the United States were recently able to develop a new technique for stripping structures called nanocrystals of unnecessary appendages. These tether-like molecules were hanging on to the crystals, preventing their incorporation within numerous classes of devices. The research was carried out by exp...

9 December 2011
08:09 GMT

Cells Can Adjust the Volume of Their Chemical Responses

Cells communicate with their environments through chemical signals, which they release in specific patterns and concentrations. A new study shows that the mechanism works both ways, and that cells can adjust the volume of their chemical output accordingly. Before this investigation, researchers were convinced that c...

17 November 2011
06:52 GMT

Cracking an Odd Molecular Mystery in the Milky Way

Diffuse interstellar bands have been a mystery for astronomers for the better part of 90 years, but a study conducted recently on molecules at the core of the Milky Way may finally solve their riddle. A long time ago, experts found several types of very odd molecules near the core of our galaxy, which absorbed ligh...

3 November 2011
11:02 GMT

Studying the Impact of Spatial Patterns on Living Cells

A group of investigators at the US Department of Energy's (DOE) Lawrence Berkeley National Laboratory (Berkeley Lab) announces the development of a new cellular patterning method, which enables researchers to reach an unprecedented degree of accuracy in spatial pattern studies. Scientists determined some time ...

1 November 2011
05:43 GMT

Bristol Experts Create New Protein

In a paper published in last week's issue of the top scientific journal Nature Chemical Biology, a group of scientists from the University of Bristol, in the United Kingdom, announces the development of a new protein. The type of architecture this molecule contains does not exist in nature. The artificial prot...

31 October 2011
04:04 GMT

Experts Develop Nanoscale 'Containers'

A group of investigators at the New York University (NYU) announce the development of a new type of structure, that is hollow on the inside, and therefore capable of carrying other chemicals. The molecular containers are very small, which means that they are well suited for biological applications.Studies such as thi...

22 July 2011
05:30 GMT

Peptide Shows Route to New Alzheimer's Treatment

Scientists looking for new ways of counteracting the effects of Alzheimer's disease now have a new avenue of research to go on. A team of experts with the RIKEN Brain Science Institute (BSI) has just provided new insights into how a specific peptide influences the development of this condition. This little-studi...

4 July 2011
03:32 GMT

Water-Air Interface Is Extremely Thin

The question of where water stops and where air begins is a very old, and difficult-to-answer one. Experts have been trying to do so for years, and now it would appear that they finally have an answer. The layer separating the two is as thin as the distance between two atoms in a hydrogen molecules. At the topmost la...

13 June 2011
08:09 GMT

Disabling a Protein May Reduce Tumor Growth Rates

Investigators at the Massachusetts Institute of Technology (MIT) say that they may have found a new way of blocking the growth of cancer tumors. The method relies on disabling a protein receptors that spreads the incorrect cellular signals which allow the cells to multiply out of control.One of the hallmarks of tumor...

8 June 2011
09:49 GMT

Autism Reveals Effects at Molecular Level

Until now, investigators trying to make sense of how autism works were stopped in their tracks by the fact that the mental illness appeared to leave no discernible tracks behind. In a new study, researchers in the United States finally managed to find the molecular effects of autism.This is the first time that physic...

26 May 2011
03:44 GMT

How a 'Survival Protein' Protects the Brain

A new series of investigations has uncovered the existence of a so-called survival protein inside the brain of rodent animal models. The molecule apparently plays a role in protecting the brain by preventing a certain type of cell death.The finding is extremely interesting because it hints at a potential mechanism fo...

23 May 2011
10:28 GMT

Computational Methods Create Working Antiviral Protein

A group of investigators in the United States recently managed to demonstrate that it is possible to use a computational approach to design working proteins capable of fighting viruses. This was never shown to be possible before, experts in the team say. The newly-developed antiviral protein cannot be found in na...

16 May 2011
02:26 GMT

RNA's Life Cycle Reveals Its Mysteries

Over the past few years, experts have come to realize that malfunctions in the life cycle of ribonucleic acid (RNA) – one of the most important molecules in any organism – are the root cause of numerous diseases. In a new study, experts provide a new way of investigating RNA in great detail. For a rather ...

26 April 2011
04:32 GMT

Molecule Shows Promise in Reducing Flu Deaths

Treating the common flu has been an objective for scientists for centuries, and yet the virus managed to outsmart everyone for a very long time. But its advantage may soon come to an end, thanks to a new form of therapy developed at the University of Texas Health Science Center at Tyler (UTHSCT).Experts here have dis...

22 April 2011
05:30 GMT

Molecule Able to Remodel Airways in Asthma Found

A renowned researcher was recently able to discover the existence of a molecule that apparently plays a critical role in remodeling human airways. The finding is tremendously important, as it could lead to the development of new drugs against conditions such as chronic asthma. The molecule was discovered by a team of...

18 April 2011
07:45 GMT

Memory Formation Processes Unveiled in More Detail

A group of scientists from the Duke University Medical Center was recently able to gain more insight into the mechanisms the human brain uses to memorize events that happened in the past. The findings could be used to create new treatments for a host of psychological and mental disorders.Years ago, experts discovered...

21 March 2011
11:07 GMT

New Protein Engineered to Fight Rheumatoid Arthritis

A group of investigators has engineered a new protein, which the experts say can be used to stop the development of rheumatoid arthritis dead in its tracks. It may even be that the molecule could in the future be used to cure the condition altogether. What this protein does is it inhibits molecules in the joints that...

14 March 2011
08:30 GMT

Molecules Can Be Coerced to Conduct Electricity

Miniaturizing electronics is one of the main avenues of research in the industry today, and scientists are looking to develop a variety of ways for achieving it. A group of experts in the United States has taken things down to the molecular level, where they successfully forced molecules to transport current.This was...

4 March 2011
08:29 GMT

How Receptor Molecules Behave in Cell Membranes

A collaboration of American and Japanese investigators was finally able to shed light on a decades-old mystery when they created movies of single molecules traveling through living cell membranes.This is the first time this has been achieved in a living system, and now scientists can finally gain a better understandi...

7 February 2011
10:52 GMT

DNA Strands Can Stretch Without Free Ends

For many years, genetics experts believed that deoxyribonucleic acid (DNA) is only capable of stretching inside living cells if it had loose-hanging, single strands called free ends. A new study shows that these structures' presence is not necessarily required to have elastic DNA.From the time it first develops,...

27 January 2011
03:17 GMT

Life Is Possible Throughout the Universe

I personally find it a bit peculiar that, lately, a lot of talk has been going on in the international astronomical community about the possible existence of life in other places in the Universe. Those rumors are about to get a new boost, as experts announce the discovery of what could very well be the fingerprint of...

12 January 2011
10:58 GMT

Biologists Can Now Watch Proteins as They Fold

One of the most important processes underlying life as we know it is taking place several times per second in each living cell, where proteins undergo a change called folding. This allows them to become specialized in various roles inside other fundamental processes, experts say.The very function of a protein is dict...

11 January 2011
05:46 GMT

Peptides Link Organic and Inorganic Life

For many years, researchers, scientists and philosophers have been proposing that the origin of life can be found in various types of arrangements made up of four basic elements – earth, water, air and fire. A new finding now shows a possible avenue that may have linked inorganic to organic chemistry.In a groun...

5 January 2011
06:40 GMT

Study Analyzes Protein-Protein Interactions

All the important cellular processes can only take place following interactions amidst proteins, experts know, and so the nature of those interactions is something that we simply must know. A group of scientists has now produced a new method of investigating these connections.Protein interactions take place only at t...

15 December 2010
10:46 GMT

'Shotgun Glycomics' Reveals Cells' Sugar Coats

Almost all types of cells in the human body are covered in sugar molecules called glycans, but analyzing and understanding these molecules has proven to be extremely difficult and hard. A new study method, dubbed by its creators the “shotgun glycomics” approach, could now make this easier.One of the main ...

6 December 2010
06:01 GMT

Learning How Water Behaves Critical for Understanding Life

Though it may seem a bit of an exaggeration at first, science has yet to make sense of what the most basic water molecules can do. Granted, they know their physical and chemical properties, but when it comes to how water behaves in large amounts, our understanding is still fairly limited. Some physics and chemistry s...

29 November 2010
09:46 GMT

Experts Create Probes for Tracking Sugar Molecules

For many years, researchers found it difficult to investigate the function of N-glycans, protein-bound sugar molecules in the human body, on account of the fact that they could not be readily isolate and synthesized. A new approach allows researchers to track their function in real-time.The accomplishment is tremendo...

27 November 2010
05:46 GMT

Synapse Networks Can Now Be Imaged in Detail

In an achievement that could help researchers analyze the complexity and variety of nerve cell connections developing in the human brain, experts in the United States managed to develop a method for locating and counting synapses that are created between neurons.Each of the nerve cells can connect to thousands of oth...

20 November 2010
04:15 GMT

Molecular Oxygen Studies Targeted by New Tool

A group of scientists was recently able to create a new method of analyzing the chemical oxygen inside larger molecular systems. The findings could have important applications, especially in physics and chemistry, the investigators say.Researchers from the Queen's University, in Ontario, Canada, conduc...

18 November 2010
04:12 GMT

Protein Viewer Made Available by Elsevier

A respected publisher in science recently announced that it will introduce a new feature in it upcoming services, that will allow scientists and the general public to explore the structure of proteins and other small molecules in three dimensions right in the science papers it publishes. Elsevier has been publishing ...

25 October 2010
10:13 GMT

How to Get Drugs Past the Blood-Brain Barrier

Treating conditions such as stroke and Alzheimer's requires drugs that need to reach the brain, but the blood-brain barrier is there to prevent this from happening. Now, experts propose a new way to bypass this obstacle. Under normal circumstances, having the BBB up and operational is the best thing anyone could...

14 October 2010
10:30 GMT

Small Particles Have Big Potential

Professor Willy Verstraete is the head of the Laboratory of Microbial Ecology and Technology (LabMET - Faculty of Bioscience Engineering) at Ghent University, Belgium and he held a lecture yesterday, about the way that environmental problems can be solved thanks to molecular and biotechnological techniques.Until rece...

12 October 2010
08:42 GMT

Microchip Technology Helps Regenerate Nerve Cells

Using an innovative research method, a group of scientists from the Massachusetts Institute of Technology (MIT) was able to speed up the research process on how to regenerate nerve cells. Around the world, research groups are working on developing methods of boosting the growth of neurons that have been affected by s...

12 October 2010
05:02 GMT

MIT Sees Molecules at Work in Living Brain Cells

Researchers at MIT found a way of observing molecules at work inside living brain cells, which also explains the molecular mechanisms of synapse formation.The studies carried out by researchers Amar Thyagarajan and Alice Y. Ting, affiliated with MIT's Picower Institute for Learning and Memory and the MIT Departm...

8 October 2010
04:39 GMT

Scientists 'Infected' Staph Bacteria

A team of chemists from Yale University has engineered the cell wall of the very dangerous Staphylococcus aureus bacteria, by tricking it into integrating foreign small molecules and fixing them into the cell wall.The scientists led by Yale chemist and study leader David Spiegel, introduced into one end of the small ...

8 October 2010
03:08 GMT

Novel Way to Control Spinning Molecules Created

Israeli investigators have recently developed a new method for controlling spinning molecules, which resembles how people control the trajectory of Frisbees when they throw the toys.When playing, children usually know instinctively, or through trial-and-error, that the angle at which the Frisbee is thrown plays a ver...

7 October 2010
16:01 GMT

Mechanics Will Soon Control Chemical Reactions

A team of investigators in the United States managed to develop new scientific process, that brings the goal of being able to control chemical reactions mechanically closer than ever. The accomplishment was achieved by Giovanni Zocchi, who is a physics professor at the University of California in Los Angeles (UCLA). ...

17 September 2010
06:24 GMT

Protein Behavior Clarified in New Research

A team of investigators from the Biodesign Institute are currently developing a new study technique that, once completed, will allow researchers to peer at the inner workings of proteins. These are small molecules that play a critical part in supporting life as we know it. They are involved in literally millions of p...

16 September 2010
05:38 GMT

Controller Protein May Help Cure Alzheimer's

In a new scientific study, researchers managed to identify a new protein, which essentially acts as a “traffic policeman” inside nerve cells, directing and rerouting electrical signals,The discovery of this small molecules could have very important implications for experts conducting research into finding...

9 September 2010
10:51 GMT


More: next 50 >>

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