In type 1 diabetes, the body does not produce insulin. This means that patients have to obtain the hormone externally to regulate their blood sugar levels. Currently, this is mostly done via insulin pumps that are attached ...
Mar 28, 2023
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Muscle performance and fitness are partly determined by how well your muscle cells use sugar as a fuel source. In turn, exercising improves the muscle's ability to take up sugars from the bloodstream and burn them for energy. ...
Nov 30, 2011
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Cancer stem cells, which fuel the growth of fatal tumours, can be knocked out by a one-two combination of antibiotics and Vitamin C in a new experimental strategy, published by researchers at the University of Salford, UK.
Jun 12, 2017
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New research from the University of California, Irvine reveals how the circadian regulation of glucose production in the liver is lost during lung cancer progression, and how the resulting increase in glucose production may ...
Jun 26, 2021
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A metabolic by-product that is more prevalent during fasting may supercharge immune cells as they fight infection and disease, reports an early stage study by Van Andel Institute scientists and collaborators.
Jul 28, 2023
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Researchers at Rush University Medical Center are conducting an early phase clinical trial of a novel drug therapy for patients with dementia due to Alzheimer's disease. The drug is a new compound called MSDC-0160, which ...
Feb 15, 2012
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A small clinical trial led by researchers at UC San Diego School of Medicine and VA San Diego Healthcare System (VASDHS) found that patients with advanced heart failure and type 2 diabetes showed improved mitochondrial structure ...
Mar 2, 2012
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(Medical Xpress)—New research demonstrates that the cellular metabolism of certain immune cells is closely linked to their function, which includes protecting against viral infections and the development of tumours.
Dec 24, 2012
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A new study led by researchers at UCL and the Francis Crick Institute has demonstrated for the first time how air pollution can cause lung cancer in people who have never smoked.
Sep 10, 2022
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Tech companies have developed many devices that work outside the body, such as cell phones, smart watches, tablets and hundreds of others. Inside the body, though? That's obviously trickier for several reasons, but power ...
Dec 8, 2022
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A fuel cell is an electrochemical conversion device. It produces electricity from fuel (on the anode side) and an oxidant (on the cathode side), which react in the presence of an electrolyte. The reactants flow into the cell, and the reaction products flow out of it, while the electrolyte remains within it. Fuel cells can operate virtually continuously as long as the necessary flows are maintained.
Fuel cells are different from electrochemical cell batteries in that they consume reactant from an external source, which must be replenished – a thermodynamically open system. By contrast, batteries store electrical energy chemically and hence represent a thermodynamically closed system.
Many combinations of fuels and oxidants are possible. A hydrogen fuel cell uses hydrogen as its fuel and oxygen (usually from air) as its oxidant. Other fuels include hydrocarbons and alcohols. Other oxidants include chlorine and chlorine dioxide.
The principle of the fuel cell had been demonstrated by Sir William Grove in 1839, and other investigators had experimented with various forms of fuel cell. The first practical fuel cell was developed by Francis Thomas Bacon in 1959.
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