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Tag: "nanotechnology" at biology news

Novel technology detects human DNA mutations

...proteins -- demonstrate the broad applicability of nanotechnology and its potential to markedly advance the state-of-the-art in nucleic acid and proteomic research anddiagnostics."The analysis of whole human genomic DNA is extraordinarily complex asit requires sifting through the more than one billion base pairs of...

Nanogen Issued Patent for Electronic Microarray With Memory

...nogen's ten years of pioneering research involving nanotechnology may also have future applications in medical diagnostics, biowarfare and other industries. For additional information please visit Nanogen's website at www.nanogen.com. ...

Revolutionary nanotechnology illuminates brain cells at work

...ome this obstacle by successfully applying genetic nanotechnology using molecular sensors to view changes in brain chemical levels. The sensors alter their 3-dimensional form upon binding with the chemical, which is then visible via a process known as fluorescence resonance energy transfer, or FRET. In a new study,...

Bioelectronic ‘signatures?hold key to DNA mutations

...work in the fields of biosensors, electronics, and nanotechnology to fashion nanocrystals that can act as “DNA biosensors?by electronically recognizing subtle mutations in the DNA. This creates enormous potential for applications such as the diagnosis and treatment of genetic diseases, detection of infectious agent...

DNA constraints control structure of attached macromolecules

... the behavior of other molecules. In previous DNA nanotechnology efforts, duplex DNA has been used as a static lattice to construct geometrical objects in three dimensions. Instead of manipulating DNA alone into such shapes, the researchers are using DNA to control the folding and resulting structure of RNA. Event...

High fidelity keeps human DNA assembly line humming

...the basic research is a story that melds exquisite nanotechnology in living systems and cutting-edge biochemistry and molecular biology with a system of checks and balances. "RNA synthesis is at the hub of human genetic control. It's important for understanding cancers, viral infections and normal human developmen...

UN successfully tests 'green' pesticide against locusts

... the behavior of other molecules. In previous DNA nanotechnology efforts, duplex DNA has been used as a static lattice to construct geometrical objects in three dimensions. Instead of manipulating DNA alone into such shapes, the researchers are using DNA to control the folding and resulting structure of RNA. Event...

Health costs soar as 60 million Americans classed as obese

... the behavior of other molecules. In previous DNA nanotechnology efforts, duplex DNA has been used as a static lattice to construct geometrical objects in three dimensions. Instead of manipulating DNA alone into such shapes, the researchers are using DNA to control the folding and resulting structure of RNA. Event...

Team Invents Device For Weighing Individual Molecules

...announced this week shows the immense potential of nanotechnology for creating transformational new instrumentation for the medical and life sciences. The new devices are at the nanoscale, he explains, since their principal component is significantly less than a millionth of a meter in width. The Caltech devices a...

Achilles heel of the herpes virus possibly found

...m inside". She is currently collaborating with U-M nanotechnology researchers on this concept. The findings suggest that B5 or its viral ligand could be a target for antiviral treatment, much like cell receptors for the entry of human immunodeficiency virus (HIV) into cells have become targets for new AIDS drugs. ...

Breakthrough: Scientists create world's tiniest organic particles

... UNC. "Billions of dollars are being spent now on nanotechnology and nanoparticles, but 99 percent of the materials people are focusing on are metals and metal oxides, which are inorganic," DeSimone said. "Our method, which is really exciting, for the first time opens the world's door to marrying organic materials...

Major advance made on DNA structure

...nces in biology, biomedicine, genetic engineering, nanotechnology and other fields. The recent work was supported by grants from the National Institutes of Health and the National Science Foundation. ...

Disease diagnosis, bioengineering covered at state nano summit

...on and networking opportunities that cover leading nanotechnology research and practical applications in life scienc...proposes that if the widespread use of proteins in nanotechnology is to be achieved, then much more will need to be done in the area of protein design. He will discu...

Nanowires can detect molecular signs of cancer, scientists find

...b site. "This is one of the first applications of nanotechnology to healthcare and offers a clinical technique that is significantly better than what exists today," says author Charles M. Lieber, Mark Hyman Jr. Professor of Chemistry in Harvard's Faculty of Arts and Sciences. "A nanowire array can test a mere pinp...

Modifications render carbon nanotubes nontoxic

...ng efforts to both identify and mitigate potential nanotechnology risks. "Carbon nanotubes are high-profile nanoparticles that are under consideration for dozens of applications in materials science, electronics and medical imaging," said CBEN Director Vicki Colvin, the lead researcher on the project. "For medical...

University of Delaware researchers develop cancer 'nanobomb'

...l medicine." In addition to treatment, he believes nanotechnology can provide new tools for cancer diagnosis through... micro- and nano-electromechanical systems (MEMS), nanotechnology and biomedical research. ...

Nanoparticles, nanoshells, nanotubes: How tiny specks may provide powerful tools against cancer

...y, and the Rice University faculty they work with, nanotechnology to treat cancer takes advantage of much of the biology already known about the disease, and marries it to a suite of techniques based on next era technology. Targeting Breast Cancer and Metastases with a Combination of LHRH and Lytic Peptide, Heca...

Researchers make long DNA 'wires' for future medical and electronic devices

...erent lengths and shapes. "Basically, we're doing nanotechnology using only a piece of rubber and a tiny droplet of DNA solution," Guan said. Computer chips that bridge the gap between the electronic and the biological could make detection of certain chemicals easier, and speed disease diagnosis. But first, resea...

Targeted drug delivery achieved with nanoparticle-aptamer bioconjugates

...iad of important human cancers. The application of nanotechnology to cancer therapy is expected to result in future therapeutic modalities that are superior to our current approach. Importantly, this is no longer a farfetched science. Nanoscale drug delivery vehicles are getting closer to clinical realisation." A...

Researchers use 'trickery' to create immune response against melanoma

...iad of important human cancers. The application of nanotechnology to cancer therapy is expected to result in future therapeutic modalities that are superior to our current approach. Importantly, this is no longer a farfetched science. Nanoscale drug delivery vehicles are getting closer to clinical realisation." A...

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