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117 Current news about the topic amino acidsrss
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Turning alcohol into key ingredients for new medicines
Chemists have found a way to turn alcohol into amino acids, the building blocks of life. In a study published in the journal Nature Chemistry, researchers explained the transformation, which involves selectively identifying and replacing molecular bonds with unprecedented precision. The finding ...
A computer predicts the feasibility of synthesizing target compounds and their chemical yields
Hokkaido University scientists have succeeded in synthesizing an α,α-difluoroglycine derivative, a type of α-amino acid, based on a reaction path predicted by quantum chemical calculations. This novel method, combining experimental chemistry and computational chemistry, could innovate the ...
Synthetic biologists seek to create new life with forms and functions not seen in nature. Although scientists are a long way from making a completely artificial life form, they have made semi-synthetic organisms that have an expanded genetic code, allowing them to produce never-before-seen ...
Directed evolution of a designer enzyme with an unnatural catalytic amino acid
The impressively high conversion rates of natural enzymes partly result from increasing the catalytic activity of a selected few amino acid side chains through precise positioning within the protein binding cavity. Scientists have now demonstrated that such fine-tuning is also possible for ...
Circular dichroism in the deep ultraviolet
In nature, certain molecules with the same chemical composition, can exist in two different shapes that are mirrors images of each other, much like our hands. This property is known as "chirality" and molecules with different chirality are called enantiomers. Enantiomers can exhibit entirely ...
One of the most fundamental unexplained questions in modern science is how life began. Scientists generally believe that simple molecules present in early planetary environments were converted to more complex ones that could have helped jumpstart life by the input of energy from the environment. ...
The weed killer could potentially be used to find new drugs for antibacterial medicines.
A garden can be a competitive environment. Plants and unseen microorganisms in the soil all need precious space to grow. And to gain that space, a microbe might produce and use chemicals that kill its plant competitors. But the microbe also needs immunity from its own poisons. By looking for that ...
Breaking carbon-hydrogen bonds is notoriously difficult in lab chemistry, yet nature does it effortlessly. Now, scientists have used E.coli bacteria to oxidize the C-H bonds in benzene to generate phenol, with a genetically inserted enzyme (cytochrome P450BM3), that originally evolved to target ...
Evonik will stop its amino acid production at its Hungarian Kaba site by the end of April 2018. There Evonik Agroferm Zrt., a subsidiary of Evonik, currently employs about 120 people. The decision was prompted by intense and increasing competition in the market for the amino acid L-threonine, ...
Chemists at The Scripps Research Institute (TSRI) have developed a fascinating new theory for how life on Earth may have begun. Their experiments demonstrate that key chemical reactions that support life today could have been carried out with ingredients likely present on the planet four billion ...