Monthly Archives:: August 2012

The laser beam as a "3D painter"

Posted by & filed under Chemistry.

(Phys.org)—There are many ways to create three dimensional objects on a micrometer scale. But how can the chemical properties of a material be tuned at micrometer  precision? Scientists at the Vienna University of Technology developed a method to attach molecules at exactly the right place. When biological tissue is grown, this method can allow the positioning of chemical signals, telling living cells where to attach. The new technique also holds promise for sensor technology: A tiny three dimensional "lab on a chip" could be created, in which accurately positioned molecules react with substances from the environment.

To cap or not to cap: Scientists find new RNA phenomenon that challenges dogma

Posted by & filed under Biology, News.

Some RNA molecules spend time in a restful state akin to hibernation rather than automatically carrying out their established job of delivering protein-building instructions in cells. This restful period appears to be a programmed step for RNA produced by certain types of genes. Protein production in cells is not as clear-cut as biology textbooks suggest, scientists say.

To cap or not to cap: Scientists find new RNA phenomenon that challenges dogma

Posted by & filed under Health Sciences.

Some RNA molecules spend time in a restful state akin to hibernation rather than automatically carrying out their established job of delivering protein-building instructions in cells. This restful period appears to be a programmed step for RNA produced by certain types of genes. Protein production in cells is not as clear-cut as biology textbooks suggest, scientists say.

Breast milk promotes a different gut flora growth than infant formulas

Posted by & filed under Health Sciences.

The benefits of breast milk have long been appreciated, but now scientists have described a unique property that makes mother's milk better than infant formula in protecting infants from infections and illnesses. The finding explains how breast milk, but not infant formula, fosters colonies of microbiotic flora in a newborn's intestinal tract that aid nutrient absorption and immune system development.

Breast milk promotes a different gut flora growth than infant formulas

Posted by & filed under Health Sciences.

The benefits of breast milk have long been appreciated, but now scientists have described a unique property that makes mother's milk better than infant formula in protecting infants from infections and illnesses. The finding explains how breast milk, but not infant formula, fosters colonies of microbiotic flora in a newborn's intestinal tract that aid nutrient absorption and immune system development.
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