Measuring blood sugar with a wave of the arm
...e bell rings at a characteristic frequency. If you coat the bell with a layer of paint, the frequency changes." Likewise, the molecules in a magnetoelastic sensor vibrate in the presence of a magnetic field, and the frequency varies with different chemical coatings. Grimes' glucose sensor is coated with a...Researchers recommend new approach to combat drug-resistant staph infections
...infections, and we suggest that RIP may be used to coat medical devices to prevent bacterial coloni-zation and consequent infection." RIP has been shown to inhibit any strain or species of staphylococci so far tested, including antibiotic-resistant strains, and no resistance to RIP has so far been observe...Researchers report major advance in gene therapy technique
...use, unlike viruses, it does not contain a protein coat (hence the term "naked"), which means it cannot move freely from cell to cell and integrate into the chromosome. As a result, naked DNA does not cause antibody responses or genetic reactions that can render the procedure harmful. Researchers rapidly...Technique plucks rapidly evolving genes from a pathogen's genome
...need for a microbe to continually switch its outer coat to escape detection by the human immune system. Su... genes coding for antigens, that is, proteins that coat the surface of the pathogen and incite an immune response. By constantly changing its antigen coat, ...Nanotechnology highlights from the ACS national meeting in Anaheim, Calif., March 28-April 1
...rs at Clemson University have figured out a way to coat nanoparticles of silver with titanium dioxide so that the resulting photocatalysts have the ability to respond to natural sunlight, creating a more efficient way to remove environmental pollutants from ponds and lakes as well as industrial wastewater...UNC study may improve gene therapy safety
... exposure to the empty capsid of AAV - the protein coat of the virus devoid of DNA - also produced minimal response from the genes. For example, only 1.9 percent of genes showed changes in expression in cells infected by recombinant AAV. In contrast, gene expression after exposure to intact adenovirus and...Carnegie Mellon enhances Quantum Dot Corp. technology for long-term, live-animal imaging
...g the surface molecules by adding a second polymer coat prolongs the time quantum dots circulate in the body. "Because uncoated quantum dots are too fragile for most biological studies in vivo, the coating is the most critical step," explained Ballou, research scientist at the Molecular Biosensor and Imag...Purdue chemist 'mussels' in on secrets of natural adhesives
...ne are ideal," Wilker said. "By using this glue to coat surfaces, we may have a natural rustproofing compound." Further research also could reveal a less environmentally damaging way to keep barnacles and mussels from attaching themselves to ship hulls, where they increase drag and reduce sailing speed...Scientists discover how anthrax creates its deadly spores
...h protect DNA in the core. The spore's tough outer coat is surrounded by a loose-fitting layercalled the exosporium. When the spore gets inside a human or animal host- the first step in the infection process - sensing agents in theexosporium signal the spore to "hatch," or germinate, and startproducing mo...Changing one gene launches new fly species
...ular hydrocarbons -- waxy, aromatic compounds that coat the abdomen of female flies. A male fly, in a romantic mood, strokes the female's abdomen with his feet, which have sensors that recognize specific hydrocarbons, like a perfume. In a previous report, Wu's laboratory found most males with the tempe...UT Southwestern researchers receive $15.1 million in federal grants to study biothreats
.... Thorpe said. "They exploit the fact that viruses coat themselves with an outer membrane where some of the lipids are inside-out. The drugs direct our immune responses to the inside-out components of the viral membrane, or envelope." These drugs potentially could be effective against numerous viruses tha...UC Riverside plant pathologist awarded $1 million grant to study virus assembly
...nthesized from the newly made nucleic acids. These coat proteins interact with the newly synthesized nucleic acids to form a virion or virus particle with an incredible precision. This process is called virus assembly. This newly assembled particle is now ready to infect other surrounding healthy cells of...Pinpointing viruses in body scans
...n, a sugar to which antibodies stick easily. A top coat of antibodies to the virus under investigation is added, and the particles are ready for use. In lab tests, the nanoparticles have been added to samples of body fluids; in patients, they would simply be injected. If live viruses are present, they st...Washington University in St. Louis, Monsanto Co., awarded crop protection patent
...he modified cells transgenic plants produced the coat protein in very small amounts in comparison to the amount of coat protein that is produced during virus infection. While these plants were "challenged" by tobacco mo...Common nutrients fed to pregnant mice altered their offspring's coat color
...pment, the scientists showed they could change the coat color of baby mice simply by feeding their mothers...on of a specific gene, called Agouti, to cause the coat color change. Yet the Agouti gene itself remained unchanged. Just how the babies' coat colors change...Towards an AIDS vaccine: unusual antibody that targets HIV described by scientists at TSRI
...e of protein spikes called gp120 that decorate the coat of HIV. This allows the antibody to properly target HIV virions as foreign pathogens. The sugars are human but their arrangement is foreign-and it is this arrangement that the antibodies recognize. These results are a step in the direction of design...War on germs gets cutting-edge weapon from ancient world technique
...ation, in this country, is using powder coating to coat portable, air-blown humidifiers where wicks soak up water, which can provide a breeding ground for germs. And in the Los Angeles area, AK Coatings is setting up a special Concept Home to field test antimicrobial powder coatings in high-touch areas...Borrowing from Ebola virus could aid cystic fibrosis gene therapy
...tors found that taking a small part of the protein coat from the Ebola virus and putting it on another modified virus creates a hybrid vehicle that can attach itself to a receptor on the top surface, or airway side, of lung cells. The genes within the vehicle can then enter the host cell, where they integ...MacKinnon lab's newest picture tells action potential story
...ng cell membrane permeability (ability of a cell's coat to open up via a tiny device called an ion channel) and voltage (positive or negative charges): one condition determines the next, which in turn, creates the first condition all over again. After decades of studying the action potential, scientists h...... particles are hollow shells, the complete protein coat of the virus. In experiments at aquaculture facilities in Norway and West Virginia, the vaccine composed of such particles caused the immune system to produce antibodies in test fish, demonstrating a resistance potential against t...