Medical Science News

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Polymer-coated spheres provide bring possibilities for pharma

Amphiphilic molecules, which have one water-friendly (hydrophilic) end and one water-repellant (hydrophobic) end, spontaneously aggregate in aqueous solutions to make superstructures like capsules or bilayers.

8 Mar 2009

Small magnetic particles navigate therapeutic genes through the body

Health professionals send genes and healthy cells on their way through the bloodstream so that they can, for example, repair tissue damage to arteries.

5 Mar 2009

Scientists make a strain of E. coli glow under fluorescent light

A team of Michigan Technological University researchers led by Associate Professor of Chemistry Haiying Liu has discovered how to make a strain of E. coli glow under fluorescent light.

5 Mar 2009

Unclear regulations obstacle to biological diversity

International environmental law on biological diversity is now being called into question in a dissertation at Uppsala University.

4 Mar 2009

New microgel capsules trap omega-3 fatty acids

Nutritionists are nearly unanimous in recommending that Americans should eat significantly more omega-3 fatty acids and consume them in foods, not in vitamin pills.

4 Mar 2009

Scientists develop general-purpose method for detecting trace chemicals

Described in an advance, online publication of the journal Nature Biotechnology on February 22, 2009, the team's general method could be adapted for detecting a wide variety of compounds, including many that are relevant to diagnostic medicine and environmental work.

26 Feb 2009

Zoologists search sea for drugs of the future

No matter how sophisticated modern medicine becomes, common ailments like fungal infections can outrun the best of the world's antibiotics.

26 Feb 2009

Eavesdropping on cellular communication

Scientists have discovered the secrets of a sophisticated molecule that plays a role in many aspects of human health from fertility to blood pressure; digestion to mental health.

25 Feb 2009

Crab claws pack strengthening bromide-rich biomaterial

Next time you have an unlucky encounter with a crab's pinchers, consider that the claw tips may be reinforced with bromine-rich biomaterial 1.5 times harder than acrylic glass and extremely fracture resistant, says a University of Oregon scientist.

25 Feb 2009

New theory of how animals smell

In the real world, odors don't happen one puff at a time. Animals move through, and subsequently distort, plumes of odor molecules that constantly drift, changing direction as the wind disperses them.

25 Feb 2009

Scientists identify stem-cell genes that help form plant organs

Plant stem-cells are master cells located at the tip of the stem and are part of a structure called the shoot apical meristem (SAM).

24 Feb 2009

McGill researcher's radical new green chemistry makes the impossible possible

McGill University chemistry professor Chao-Jun (C.J.) Li is known as one of the world leading pioneers in green chemistry, an entirely new approach to the science which eschews the use of toxic, petrochemical-based solvents in favour of basic substances like water and new ways of making molecules.

24 Feb 2009

Mathematical method helps to select human embryos

A team of researchers from the University of the Basque Country (UPV-EHU) have developed a mathematical classification which makes it possible to select human embryos for use in assisted reproduction treatments. Scientists have used the morphology of embryos to select the best candidates for implantation in the woman's uterus.

24 Feb 2009

Scientists manipulate bacteria into generating their own vaccine

Scientists have developed a way to manipulate bacteria so they will grow mutant sugar molecules on their cell surfaces that could be used against them as the key component in potent vaccines.

23 Feb 2009

Scientists shed light on how proteins find their shapes

Researchers from the California Institute of Technology (Caltech) and the University of California at San Diego (UCSD) have brought together UCSD theoretical modeling and Caltech experimental data to show just how amino-acid chains might fold up into unique, three-dimensional functional proteins.

23 Feb 2009

Radiolabeled nanoparticles boost PET-CT combination imaging

In an attempt to decrease the amount of cancer-targeting nanoparticle needed to image tumors, a team of investigators at the Massachusetts General Hospital and Harvard Medical School has developed a simple method for creating iron oxide nanoparticles labeled with 18F, a radioisotope that is easily detected using positron emission tomography (PET). The result is a nanoparticle that can be imaged using PET, computerized tomography (CT), and fluorescence imaging.

23 Feb 2009