News tagged with mixtures


Powerhouses in the cell dismantled

Biology / Cell & Microbiology

created Oct 15, 2009 | popularity not rated yet | comments 0

All of life is founded on the interactions of millions of proteins. These are the building blocks for cells and form the molecular mechanisms of life. The problem is that proteins are extremely difficult to study, particularly ...


3-D Computer Simulation of Cell Sorting

Surface tension drives segregation within cell mixtures

Physics / General Physics

created Oct 06, 2008 | popularity 3.7 / 5 (3) | comments 0

What does a mixture of two different kinds of cells have in common with a mixture of oil and water? The same basic force causes both mixtures to separate into two distinct regions.





Search results for mixtures


Health effects of pesticide mixtures: Unexpected insights from the salmon brain

Biology /

created Feb 17, 2008 | popularity 4.1 / 5 (7) | comments 2

In his research, scientist Nat Scholz examines how pesticides that run off the land and mix in rivers and streams combine to have a greater than expected toxic effect on the salmon nervous system. These pesticides are widely ...


Establishing faster-growing, durable football fields

Other Sciences / Other

created May 13, 2008 | popularity 3 / 5 (1) | comments 0

A study published in the February 2008 issue of HortScience offers new information that can help schools and contractors get outdoor athletic fields ready for fall sports more quickly. Results of the research study will h ...


The minerals on Mars influence the measuring of its temperature

The minerals on Mars influence the measuring of its temperature

Space & Earth / Space Exploration

created Jul 14, 2009 | popularity 3 / 5 (4) | comments 0

A team of researchers from the CSIC-INTA Astrobiology Centre in Madrid has confirmed that the type of mineralogical composition on the surface of Mars influences the measuring of its temperature. The study ...


World’s First Nanofluidic Device with Complex 3-D Surfaces Built

World’s First Nanofluidic Device with Complex 3-D Surfaces Built

Nanotechnology / Bio & Medicine

created Apr 08, 2009 | popularity 5 / 5 (1) | comments 1

(PhysOrg.com) -- Researchers at the National Institute of Standards and Technology and Cornell University have capitalized on a process for manufacturing integrated circuits at the nanometer level to engineer ...


New research might prevent asphalt damage

Technology / Engineering

created Jun 05, 2007 | popularity 3.4 / 5 (7) | comments 0

Repairing asphalt damage caused by water infiltration costs a great deal of money and produces extra traffic delays. Yet within the asphalt industry there is little insight into the fundamental processes leading to water ...


Probing and Controlling ‘Molecular Rattling’ May Mean Better Preservatives

Probing and Controlling 'Molecular Rattling' May Mean Better Preservatives

Chemistry / Polymers

created Feb 25, 2009 | popularity 5 / 5 (8) | comments 0

(PhysOrg.com) -- For centuries, people have preserved fruit by mixing it with sugar, making thick jams that last for months without spoiling. Now scientists at the National Institute of Standards and Technology ...


Mini-laboratory gets megaproductive

Mini-laboratory gets megaproductive

Chemistry /

created Oct 31, 2008 | popularity 4.8 / 5 (13) | comments 0

(PhysOrg.com) -- Dawid Zalewski of the University of Twente, Netherlands, has developed a mini-laboratory on a chip that can purify biological mixtures continuously. This is very different from the usual method ...


Icy exposure creates armored polymer high tech foams

Nanotechnology / Nanomaterials

created Jul 28, 2009 | popularity 4.3 / 5 (6) | comments 0

(PhysOrg.com) -- Chemists and engineers at the University of Warwick have found that exposing particular mixtures of polymer particles and other materials to sudden freeze-drying can create a high-tech armored foam that could ...


Chemists offer new hydrogen purification method

Chemists offer new hydrogen purification method

Chemistry /

created Feb 15, 2009 | popularity 4.3 / 5 (9) | comments 1

(PhysOrg.com) -- President Barack Obama's pursuit of energy independence promises to accelerate research and development for alternative energy sources -- solar, wind and geothermal power, biofuels, hydrogen ...


Study finds particles, molecules prefer not to mix

Birds of a feather: Study finds particles, molecules prefer not to mix

Chemistry / Analytical Chemistry

created May 04, 2009 | popularity 4.8 / 5 (6) | comments 0

(PhysOrg.com) -- In the world of small things, shape, order and orientation are surprisingly important, according to findings from a new study by chemists at Washington University in St. Louis.



List of search results for mixtures