Chemistry - Biochemistry news

Simulating how the Earth kick-started metabolism

(Phys.org) —Researchers have developed a new approach to simulating the energetic processes that may have led to the emergence of cell metabolism on Earth – a crucial biological function for all living ...

Mar 12, 2014
4.5 / 5 (17) 0

Diatom sex pheromone isolated and characterized

(Phys.org)—Diatoms (unicellular photosynthetic organisms) reproduce through asexual cell division alternating with short periods of sexual reproduction. A German and Belgian team has now determined that ...

Dec 14, 2012
5 / 5 (15) 0 | with audio podcast

Peptides may hold 'missing link' to life

Emory University scientists have discovered that simple peptides can organize into bi-layer membranes. The finding suggests a "missing link" between the pre-biotic Earth's chemical inventory and the organizational ...

May 06, 2010
4.9 / 5 (15) 1 | with audio podcast

Why plants don't get sunburn

Plants rely on sunlight to make their food, but they also need protection from its harmful rays, just like humans do. Recently, scientists discovered a group of molecules in plants that shields them from ...

Oct 29, 2014
4.9 / 5 (15) 1

Chemists discover cannabis 'pharma factory'

University of Saskatchewan researchers have discovered the chemical pathway that Cannabis sativa uses to create bioactive compounds called cannabinoids, paving the way for the development of marijuana variet ...

Jul 16, 2012
4.3 / 5 (17) 13 | with audio podcast

Chemists discover new class of antibiotics

(Phys.org) —A team of University of Notre Dame researchers led by Mayland Chang and Shahriar Mobashery have discovered a new class of antibiotics to fight bacteria such as methicillin-resistant Staphylococcus aureus (MRSA) ...

Mar 07, 2014
4.9 / 5 (15) 0

Researchers turn photons into work using DNA

(PhysOrg.com) -- By using light to change the elasticity of a DNA molecule, scientists have designed a molecular motor that can turn light into mechanical work. Unlike most previously reported molecular motors, ...

Mar 10, 2011 feature
4.7 / 5 (15) 3 | with audio podcast