News tagged with biological activity

Switching an antibiotic on and off with light

Scientists of the KIT and the University of Kiev have produced an antibiotic, whose biological activity can be controlled with light. Thanks to the robust diarylethene photoswitch, the antimicrobial effect ...

Mar 21, 2014
5 / 5 (1) 0

"Kissing genes" breakthrough

In a ground-breaking discovery that will have a major impact on our understanding of the function of DNA, our genetic blueprint, a group of scientists from Wits and the Council for Scientific and Industrial ...

Nov 14, 2013
5 / 5 (3) 0

The developmental on-switch

German researchers have demonstrated for the first time why the molecular cocktail responsible for generating stem cells works. Sox2 and Oct4 are proteins whose effect on cells resembles that of an eraser: ...

Aug 19, 2013
5 / 5 (9) 0

Rethinking the value of sewage sludge 

Researchers from the Plant Nutrition Group at ETH Zurich have been evaluating methods to develop an efficient and environmental friendly phosphate fertilizer from sewage sludge ashes. A new thermo-chemical ...

Aug 16, 2013
4.8 / 5 (5) 2

Amazon plant growth detectable at last

Until recently it was impossible to carry out large-scale measurements of photochemical activity in the tropical rainforest and therefore draw conclusions on the subject. A chance success – a measurement ...

Jun 05, 2013
5 / 5 (2) 0