The highly acidic environment in the stomach is essential for digestion. Furthermore, it acts as an important barrier to invasive pathogens. However, excessive stomach acidification leads to ulcers. Although this is not a ...
Biochemistry
Apr 18, 2018
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11
Thermophoresis for the energy supply of early cells. NIM scientist Dr Christof Mast and his team suggest thermally driven formation of pH gradients and proton flux as source of chemical energy conversion in early stages of ...
Materials Science
Dec 6, 2017
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4
Nanoengineers at the University of California San Diego have demonstrated for the first time using micromotors to treat a bacterial infection in the stomach. These tiny vehicles, each about half the width of a human hair, ...
Bio & Medicine
Aug 16, 2017
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626
Tiny "submarines" that speed independently through the stomach, use gastric acid for fuel (while rapidly neutralizing it), and release their cargo precisely at the desired pH: Though it may sound like science fiction, this ...
Biochemistry
Jan 23, 2017
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685
There is a strong suspicion that Helicobacter pylori is linked to the development of stomach cancer. Now an international team of researchers led by Prof. Donald R. Ronning (University of Toledo) has used neutrons to unlock ...
Biochemistry
Dec 20, 2016
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14
Drug resistant bacteria are fast becoming one of the big worries of the 21 century. Now researchers at the University of Copenhagen have discovered a previously unknown weakness; an "Achilles heel", of bacteria. Their discovery, ...
Biochemistry
Mar 21, 2016
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31
Mitochondria produce ATP, the energy currency of the body. The driver for this process is an electrochemical membrane potential, which is created by a series of proton pumps. These complex, macromolecular machines are collectively ...
Cell & Microbiology
Jan 27, 2015
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14
A University of York biologist is part of an international team of scientists that has discovered how plants use fungi to help them to gather vital nutrients from the soil.
Biotechnology
May 13, 2014
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2
A protein found in the membranes of ancient microorganisms that live in desert salt flats could offer a new way of using sunlight to generate environmentally friendly hydrogen fuel. Researchers in the Nanobio Interfaces and ...
Nanomaterials
Aug 9, 2013
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0
Only within the past 12 years have marine biologists come to learn about the eye-opening characteristics of mystifying sea worms that live and thrive on the bones of whale carcasses.
Plants & Animals
Apr 30, 2013
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