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Making better use of enzymes

New research project at Jacobs University

20-Sep-2018

In biocatalysis, enzymes are used to accelerate chemical reactions. This plays a role in many areas, such as the production of beer, wine and cheese or the pharmaceutical industry. A research project at the English-medium Jacobs University led by Marcelo Fernandez-Lahore, Professor of Biochemical ...

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Scientists use artificial neural networks to predict new stable materials

20-Sep-2018

Artificial neural networks--algorithms inspired by connections in the brain--have "learned" to perform a variety of tasks, from pedestrian detection in self-driving cars, to analyzing medical images, to translating languages. Now, researchers at the University of California San Diego are training ...

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Newly discovered enzyme is 'firing pin' for plant immunity

19-Sep-2018

Just like humans, plants have an immune system that helps them fight off infections. Plant immunity has some important differences: they don't make antibodies and can't fight off the same bug more quickly months or years later. However, plant cells can identify pathogens and react to them, often ...

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How cells handle a sticky, toxic, but absolutely essential molecule

A new study shows that a protein known for its role in metabolism also helps deliver heme where it's needed

18-Sep-2018

Do you enjoy breathing air? You should spare a thought once in a while for heme, an iron-containing molecule essential to all organisms engaged in an air-breathing lifestyle. Heme molecules are most famously part of hemoglobin, the oxygen-transporting protein in blood, but they are also ...

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Musical sensor shows bad medicine plays false note

Inspired by a musical instrument, the simple sensor can be constructed from common materials and used to detect adulterated or counterfeit drugs

17-Sep-2018

What if a single musical note could mean the difference between life and death? A new sensor based on a 3,000 year old African musical instrument can be used to identify substances, including a poisonous chemical sometimes mistakenly added to medicines. The mbira sensor, which can be constructed ...

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Illinois engineers protect artifacts by graphene gilding

14-Sep-2018

Gilding is the process of coating intricate artifacts with precious metals. Ancient Egyptians and Chinese coated their sculptures with thin metal films using gilding--and these golden sculptures have resisted corrosion, wear, and environmental degradation for thousands of years. The middle and ...

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Cellular memory outwits pathogens

Study proves effectiveness of sequential antibiotic treatment against the pathogen Pseudomonas aeruginosa

14-Sep-2018

The World Health Organization (WHO) warns that seemingly harmless bacterial infections could develop into one of the leading causes of death in the next few years, particularly in the industrialised countries. This dramatic threat arose because, in many cases, the antibiotics that have been ...

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Genes out of thin air

Precursors of genes constantly emerge "out of thin air" – but only a few survive for good

13-Sep-2018

Accumulating evidence suggests that new genes can arise spontaneously from previously non-coding DNA instead of through the gradual mutation of established genes. Bioinformaticians at the University of Münster are now, for the first time, studying the earliest stages in the emergence of such ...

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Special Antibodies Could Lead to HIV Vaccine

12-Sep-2018

Around one percent of people infected with HIV produce antibodies that block most strains of the virus. These broadly acting antibodies provide the key to developing an effective vaccine against HIV. Researchers from the University of Zurich and the University Hospital Zurich have now shown that ...

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Researchers combine light and X-ray microscopy for comprehensive insights

11-Sep-2018

Researchers at the University of Goettingen have used a novel microscopy method. In doing so they were able to show both the illuminated and the "dark side" of the cell. The team led by Prof. Dr. Tim Salditt and Prof. Dr. Sarah Köster from the Institute of X-Ray Physics "attached" small ...

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