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News articles about "Molecular"

How proteins acquire correct structure: Molecular high-speed origami

Proteins are responsible for nearly every essential process of life Their form and structure or their fold are of crucial importance for their functionality Scientists at the Max Planck Institute of Biochemistry MPIB in Martinsried ... - Read More

Broadening the scope for synthesizing optically active compounds

Chiral compounds are increasingly important in chemical manufacturing They are distinguished by a special kind of asymmetry in their molecular structure Yutaka Ukaji and colleagues at Kanazawa University have now developed a method for desymmetrising ... - Read More

Exploring the magnetism of a single atom

Magnetic devices like hard drives magnetic random access memories MRAMs molecular magnets and quantum computers depend on the manipulation of magnetic properties In an atom magnetism arises from the spin and orbital momentum of its ... - Read More

Nanoscope to probe chemistry on the molecular scale

For years scientists have had an itch they couldn't scratch Even with the best microscopes and spectrometers it's been difficult to study and identify molecules at the so called mesoscale a region of matter that ... - Read More

Light waves allow preferred bond breaking in symmetric molecules

Chemical bonds between carbon and hydrogen atoms are amongst the strongest in nature and their selective breaking in particular in symmetric molecules is of interest to chemical synthesis and the development of new biologically active ... - Read More

Atomic-level look at the enzyme telomerase may help unlock secrets of aging and cancer

ASU scientists together with collaborators from the Chinese Academy of Sciences in Shanghai have published in Nature Structural and Molecular Biology a first of its kind atomic level look at the enzyme telomerase that may ... - Read More

Nanoscale heat flow predictions: Environmentally-friendly and cost-effective nanometric-scale energy devices

Heat flow in novel nanomaterials could help in creating environmentally friendly and cost effective nanometric scale energy devices Physicists are now designing novel materials with physical properties tailored to meet specific energy consumption needs Before ... - Read More

Recycling to ensure sufficient raw materials for the future

About 70 billion tons of raw materials are extracted world wide annually That is twice as much as at the end of the 1970s This trend is continuing even with finite resources One way to ... - Read More

A hydrogel that knows when to go

Rice University bioengineers have created a hydrogel that instantly turns from liquid to semisolid at close to body temperature and then degrades at precisely the right pace The gel shows potential as a bioscaffold to ... - Read More

How do our cells move? Liquid droplets could explain

'Cell migration' is a broad term for all the processes associated with the movement of cells from one location to another It lies at the core of biological processes like embryonic development immune responses and ... - Read More

Nanoengineers develop basis for electronics that stretch at the molecular level

Nanoengineers at the University of California San Diego are asking what might be possible if semiconductor materials were flexible and stretchable without sacrificing electronic function Today's flexible electronics are already enabling a new generation of ... - Read More

Environmental hormones: Tiny amounts, big effects on fish

Empty nets and few species environmental hormones are believed responsible for the diminishing numbers of fish How damaging are these substances really though Studies that depict a complete picture of the lives of fish provide ... - Read More

Is FDA's Crackdown on Direct-to-Consumer Genetic Testing a Violation of the First Amendment?

medical treatment Some critics of this decision are arguing that the agency is disallowing advertising “commercial speech” as well as interfering with an individual’s right to receive information both of which are protected under the ... - Read More

New atom-scale knowledge on the function of biological photosensors

The research groups of Janne Ihalainen University of Jyväskylä and Sebastian Westenhoff University of Gothenburg have clarified how the atom structure of bacterial red light photosensors changes when sensing light The research reveals structural changes ... - Read More

Probing dopant distribution: Opening the door to better doping of semiconductor nanocrystals

The icing on the cake for semiconductor nanocrystals that provide a non damped optoelectronic effect may exist as a layer of tin that segregates near the surface One method of altering the electrical properties of ... - Read More

Breaking up water: Controlling molecular vibrations to produce hydrogen

Natural gas methane can be converted into hydrogen H2 which is used in clean energy synthetic fertilizers and many other chemicals The reaction requires water and a nickel catalyst Methane and water molecules attach on ... - Read More

Accelerator for molecular machines discovered

How hard can it be to make a wheel rotate in a machine Very hard actually when the wheel sits in one of those nano small molecular machines that are predicted to be running our ... - Read More

Next green revolution? Converting bacteria from free living to nitrogen-fixing

If you pull up a soybean or bean plant and shake off the dirt you might see odd swellings or bumps like rheumatic finger joints on its roots Inside the cool soil covered bumps are ... - Read More

Graphene is only as strong as its weakest link: Experiments determine real-world limits of two-dimensional carbon

There is no disputing graphene is strong But new research by Rice University and the Georgia Institute of Technology should prompt manufacturers to look a little deeper as they consider the miracle material for applications ... - Read More

New tool to investigate the chemistry of nature: Laser-based tabletop setup generates ultrashort XUV light pulses

The Aziz' team at the Joint Laboratory between Freie Universität Berlin and HZB has built a laser based tabletop setup which generates ultrashort XUV light pulses and achieves their monochromatization by implementing special reflection zone ... - Read More
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