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66 Current news about the topic bacteria

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New method measures single molecules from nanoliter of blood in real time

09-Oct-2018

University of Groningen scientists, led by Associate Professor of Chemical Biology Giovanni Maglia, have designed a nanopore system that is capable of measuring different metabolites simultaneously in a variety of biological fluids, all in a matter of seconds. The electrical output signal is ...

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Taking out the (life-threatening) garbage

Bacteria eject trash to survive

28-Sep-2018

Scientists have known for decades that certain bacteria produce small spherical versions of themselves. Although they lack basic materials to reproduce or function like normal cells, recent interest in such "minicells" has spiked due to their proficiency as nano-sized delivery tools for drugs 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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Antibacterial Polymers

Surprising antibacterial activity and selectivity of hydrophilic phosphonium polymers

10-Sep-2018

Artificial polymers, like antibiotic peptides, need both hydrophobic and hydrophilic domains in their molecular structure to exert antibacterial activity. Now, researchers from Canada have synthesized a phosphonium polymer that challenges this view. As outlined in the journal Angewandte Chemie, ...

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Light-engineered bacterial shapes could hold key to future labs-on-a-chip

Genetically modified bacteria used as 'microbricks' for building next-gen microscopic devices

17-Aug-2018

Scientists have used light patterns to control the swimming speed of bacteria and direct them to form different shapes. Controlling bacteria in this way means it could be possible to use them as microbricks for building the next generation of microscopic devices. For example, they could be made ...

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Soil bugs munch on plastics

27-Jul-2018

Thin mulch films made of polyethylene are used in agriculture in numerous countries, where they cause extensive soil contamination. Researchers at ETH Zurich and Eawag have now identified an alternative: films made of the polymer PBAT biodegrade in soils. Our world is drowning in a flood of ...

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Pollen taxi for bacteria

23-Jul-2018

A wide range of airborne substances can cause respiratory problems for asthma sufferers. These include bacteria and their components, which can trigger inflammations. How they become airborne has not been fully explained up to now. A science team from the Technical University of Munich (TUM) and ...

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Hospital germs have their flaws too

Researchers discovered a target for novel medications

09-Jul-2018

The hospital germ Pseudomonas aeruginosa can cause serious wound as well as lung and urinary tract infections, especially in weakened individuals. Pseudomonas manages time and again to survive attacks of the immune system and antibiotic therapies. One key to the success of this persistent ...

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The biological role of europium

14-Jun-2018

Rare earth elements (REEs) are an indispensable component of the digital technologies that are now an integral part of our everyday life. Yet their biological role has been discovered only recently. A few years ago it became apparent that these metals are essential elements for methano- and ...

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Contaminated lab kits

Scientific sleuthing for reproducible results

14-Jun-2018

Researchers found traces of foreign, non-human genetic material in human blood samples. It turned out that it was not a groundbreaking scientific discovery, but mostly the result of contaminated laboratory materials. Scientists led by Associate Prof. Paul Wilmes of the Luxembourg Centre for ...

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