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Chemistry News Archive September 2011



Chemistry News September 2011

News of the year 2011 in the fields of chemistry and chemistry-related topics like biochemistry, nantechnology, medicinal chemistry etc.

Main focus: press releases, scientific research results and summaries of chemistry articles, that are published in chemistry journals.

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Chemistry:

Chemistry

Polymerization-Powered Motor

Polymerization Reaction Drives Nanomotors

Researchers describe a new type of micromotor that is powered by a polymerization reaction and deposits tiny threads along its trail like a microspider.

[Credit: Angewandte Chemie International Edition]


Rare Earth Boryl Complexes

A rare partnership pays off: The first chemical complex consisting of rare earth metals and boron atoms produces unexpected results heralding new synthetic chemistry techniques.

Through the miracle of photosynthesis ...

Solar Energy: Lessons from Nature

Lessons to be learned from nature in photosynthesis - International panel of scientists point the way forward.

Image: Through the miracle of photosynthesis, plants absorb sunlight in their leaves and convert the photonic energy into chemical energy that is stored as sugars in the plants' biomass [Photo by Roy Kaltschmidt, Berkeley Lab].


Hydrogen from bioalcohols

Hydrogen from Bioethanol

Mild but very efficient: new catalytic process extracts hydrogen from bioalcohols.

Image: Run out of gas? A protocol for the title transformation under mild reaction conditions has been developed. Highest activities are found with an in situ catalyst system consisting of a 1:1 mixture of an HPNPiPr-Liganden nnd [RuH2(PPh3)3CO]. A turnover frequency of up to 14145 h-1 and turnover number of more than 40000 have been achieved for production of hydrogen gas from isopropyl alcohol.


Magnesium Borohydride as Hydrogen Storage

Full to the brim with hydrogen: Porous form of magnesium borohydride can store hydrogen.

Chemophobia

Breaking chemistry's bad rap: How communication can help catalyze public engagement and improve chemistry's image.



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Biochemistry:

Biochemistry

Insect Gut Microbe with a Molecular Iron Reservoir

Iron Translocation by a Dps Protein

Insect gut microbe with a molecular iron reservoir - Max Planck researchers analyze the structure of an iron storage protein.

Image: Molecular structure of the enzyme N-acyl amino acid hydrolase (AAH) from Microbacterium arborescens [Credit: Kornelius Zeth, MPI Tuebingen].


Analysis of Modified tRNA Bases

A code beyond DNA: Modified tRNA bases are characteristic of species.



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Chemistry and Nanotechnology:

Nanochemistry

First single molecule electric motor

Single-Molecule Electric Motor

World's smallest electric motor made from a single molecule.

Image: Chemists at Tufts University have developed the world's first single molecule electric motor, which may potentially create a new class of devices that could be used in applications ranging from medicine to engineering [Credit: Heather L. Tierney et al.].




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Chemistry and Materials:

Materials Chemistry

A New Tool for Radiation Detection Materials

Dimensional Reduction: New materials hold promise for better detection of nuclear weapons.






Notes:



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Kewords: Chemistry, news, reports, September 2011
 
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