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Chemistry World
October 28, 2012
Simon Hadlington |
MOF based motorboat Researchers have devised a new type of molecular motor capable of propelling itself across a liquid surface. The move mimics motile life forms found in nature, such as bacteria, in the quest for autonomous microscopic machines.   |
Chemistry World
June 14, 2012
Russell Johnson |
Surfactant driven propulsion A small autonomous boat powered by a volatile surfactant has been developed by scientists in Finland and Israel. The surfactant modifies the surface tension of the liquid it floats on to create a surface tension gradient that propels the boat forward. |
Chemistry World
August 17, 2012
Philip Ball |
Getting under water's skin The surface tension of water is explained in textbooks with pictures showing water molecules pulling each other sideways and downwards at the liquid surface, producing a kind of surface 'skin'. |
Chemistry World
September 4, 2013
Emma Stoye |
Cracked bones attract healing nanoparticles A US team have used drug-loaded nanoparticles to detect and heal tiny cracks in human bones. Their system uses ions leaking from the crack to draw the particles to damaged areas. |
Chemistry World
February 9, 2012
Kate McAlpine |
Tiny pump senses chemical changes and acts A team of researchers at Pennsylvania State University has developed a microscale pump that turns on in the presence of a particular chemical, with a flow rate that depends on that chemical's concentration. |
