Tag: "biomolecules" at biology news

MIT team engineers new approaches to understanding malaria, more

...r cells in response to certain naturally occurring biomolecules may affect the metastasis of that disease. Ultimately, the work could lead to better treatments for these and other diseases. Suresh's coauthors are graduate student John P. Mills and research scientist Ming Dao of MIT's Department of Materials Scien...

X-rays have become laser-like

...nished with this source would make nanometer-sized biomolecules perceivable in their natural surrounding (in vivo). It may take many years before this dream comes true, but the experiment reported by an Austrian-German collaboration led by Ferenc Krausz indicates a promising way of realizing the dream some day. R...

Motor transport in bio-nano systems

...may witness the development of sorting devices for biomolecules and biocolloids, drug delivery systems that utilize the motor transport within human cells, and motile components for nanoscale manufacturing. Long term, we should also be able to construct 'smart' biomimetic systems which are able to respond to and ...

By creating molecular 'bridge,' scientists change function of a protein

...hod may provide "a general approach to engineering biomolecules and biosystems such as receptors, enzymes, antibodies, ribosymes, DNAzymes and viruses with novel functions." Zhao is a member of the Institute for Genomic Biology and the Center for Biophysics and Computational Biology at Illinois. He also is an aff...

Drugs from the deep blue

...up works with calcium channel modulators and other biomolecules derived from plants and scorpion venom. But when Pessah and Molinski got to talking at a party some years ago, they quickly realized that they could apply the same methods to screen 124 sponges that Molinski's group had recently collected off the coa...

ASU researcher fashions DNA to further advances in nanotechnology

...isioned as scaffolds for directing the assembly of biomolecules such as proteins into a functional network," said Yan. "However, the methods to control such assemblies are still scarce. A robust and modular approach is needed. " In his results, Yan and fellow institute researchers Yan Liu, Chenxiang Lin, and Han...

Purdue scientists see biochemistry's future - with quantum physics

...ny of these supposedly forbidden reactions involve biomolecules centered upon transition metals, which can flip ba...l tools to analyze the spin-dependent processes of biomolecules and have applied them to a few important test cases," he said. "But our methods are based on approac...

Amazing nanotech in Boston: Weighing DNA, digital heat flow, electromechanical butterfly images

...ter sensitivity in locating and identifying single biomolecules by measuring their masses. A typical NEMS sensor consists of an oscillating slab so small in size and mass that even if a single DNA molecule were to alight on it, the slab's resonant frequency (the vibration rate it maintains once set in motion) wou...

Three ORNL technologies earn technology transfer excellence awards

...lass slide where multiplexed biological samples or biomolecules such as proteins, whole cells or tissue samples can be analyzed in an environment where the samples can retain their native chemical activity. The slide is licensed to Diversified Biotech of Boston, which is working with Erie Scientific Company of Po...

The dynamic personalities of proteins reveal key traits

...with or without the ball nature has evolved these biomolecules so that they are constantly moving in highly-defined directions conducive to their function with or without the substrate," explained Kern, who played for the East German National basketball team before the Berlin Wall fell in 1989 and later professi...

Clay material may have acted as 'primordial womb' for first organic molecules

...clay minerals can help produce the ingredients for biomolecules (chemical components used by living organisms)," Williams said. Because the reactions simulated in these experiments can be found anywhere volcanic activity exists, Williams added, it is likely that similar organic compounds could be produced on othe...

Biotechnology's newest chemical tool

...this technique is likely to be applicable to those biomolecules as well, further expanding its utility. Klimasauskas said that one potential application might be to label various sites in the ribosome -- the RNA-based site of protein production -- with bright fluorophores using appropriate RNA methyltransferases,...

Alcohol-induced bone disease

..."This is first formed as a soft tissue, containing biomolecules that are unique to bone, that later hardens or becomes calcified. Alcohol consumption changes the composition of this matrix by suppressing the formation of osteoblasts and/or decreasing their ability to respond to signals that normally trigger bone...

Argonne researchers contribute 1000th structure

... months or years, of determining the structures of biomolecules that are important for advances in energy, health and the environment," said Ari Patrinos, DOE associate director of science for biological and environmental research. "This achievement represents an important step to narrow the gap between the curr...

Researcher looks for more targeted way to deliver cancer drugs

...cy at the University of Michigan, is using natural biomolecules to deliver medication in two parts, making it more Specifically lethal to select cells. Yang recently received a $1.28 million, five-year grant from the National Institutes of Health to study cancer drug delivery. Yang said researchers face multiple ...

Nanoparticles create biocompatible capsules

...me-catalyzed reactions are performed. By attaching biomolecules to the capsule's surface, novel colloidal-size sensors could be produced. An additional use for stabilized lipid capsules is the study of drug behavior. "A drug contained in this nano environment is like a fish swimming inside a bowl," Granick said. ...

Rice University researchers create 'nanorice'

... have the field intensities needed to characterize biomolecules -- like proteins and DNA --that adsorb on the particle." The nanorice core is made of non-conducting iron oxide and the outer covering of gold. The nanorice particles described in the Nano Letters paper were about 360 nanometers long and about 80 nan...

Biggest physics meeting of the year

...nipulate microorganisms at the genetic level, move biomolecules with microfluidics, and make detailed measurements with state-of-the-art optics tools. The University of Chicago's Jim Shapiro ( jsha@uchicago.edu ), another speaker at the session, shows that an information-science approach is bound to offer many ne...

Building a hand-held lab-on-a-chip to simplify blood tests

...ancer detection by searching in plasma for certain biomolecules that could be early indicators," Tai said. "Science has dictated that all of these things can be done, we've just needed to develop the technology."...

ORNL, protein discovery researchers collaborate on high-profile paper

...y. "With this technique, we can steer DNA or other biomolecules for transport in three dimensions and also separat...ength of light. Included in this category are many biomolecules such as DNA fragments, oligonucleotides, proteins and peptides. Instead, such small molecules must f...

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