News tagged with chlorophyll molecule

Designing a dye you can count on

Natural substances such as chlorophyll and the heme pigment of red blood cells contain colorful molecules known as porphyrins. They owe their exceptional visual characteristics to a ‘macrocyclic’ ...

Chemistry / Materials Science

created May 24, 2012 | popularity not rated yet | comments 0

Leaf-like solar cells: Water-based 'artificial leaf' produces electricity

(PhysOrg.com) -- A team led by a North Carolina State University researcher has shown that water-gel-based solar devices - "artificial leaves" - can act like solar cells to produce electricity. The findings prove the concept ...

Nanotechnology / Nanomaterials

created Sep 24, 2010 | popularity 4.3 / 5 (16) | comments 1 | with audio podcast

Scientists discover first new chlorophyll in 60 years

(PhysOrg.com) -- University of Sydney scientists have stumbled upon the first new chlorophyll to be discovered in over 60 years and have published their findings in the international journal Science.

Biology / Cell & Microbiology

created Aug 20, 2010 | popularity 4.9 / 5 (38) | comments 36 | with audio podcast

Don't Compare Bananas to Pears

(PhysOrg.com) -- Yellow leaves on banana plants give off a blue glow when viewed under UV light. This luminescence comes from decomposition products of chlorophyll, the substance that makes leaves green.

Chemistry / Biochemistry

created Jun 23, 2010 | popularity 4.7 / 5 (3) | comments 0 | with audio podcast

Bananas Gone Bad Glow Blue in UV-Light

(PhysOrg.com) -- Nicholas Turro of Columbia University, Bernhard Krautler of the University of Innsbruck, Austria and their colleagues have found that, as chlorophyll ages and begins to disintegrate in banana ...

Chemistry / Biochemistry

created Sep 09, 2009 | popularity 4 / 5 (5) | comments 1

First step to converting solar energy using 'artificial leaf'

An international team of researchers has modified chlorophyll from an alga so that it resembles the extremely efficient light antennae of bacteria. The team was then able to determine the structure of these light antennae. ...

Chemistry / Biochemistry

created Jun 29, 2009 | popularity 4.7 / 5 (10) | comments 0

Scientists determine the structure of highly efficient light-harvesting molecules in green bacteria

(PhysOrg.com) -- An international team of scientists has determined the structure of the chlorophyll molecules in green bacteria that are responsible for harvesting light energy. The team's results one day ...

Biology / Biotechnology

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