Current Dendrites News and Events

Current Dendrites News and Events, Dendrites News Articles.
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Insights into lithium metal battery failure open doors to doubling battery life
Researchers led by Prof. CUI Guanglei from the Qingdao Institute of Bioenergy and Bioprocess Technology (QIBEBT) of the Chinese Academy of Sciences (CAS) have identified what causes lithium metal batteries (LMBs) to ''self-destruct'' and proposed a way to prevent it. (2021-02-08)

A NEAT reduction of complex neuronal models accelerates brain research
Unlike their simple counterparts in artificial intelligence (AI) applications, neurons in the brain use dendrites - their intricate tree-like branches - to find relevant chunks of information. Now, neuroscientists from the University of Bern have discovered a new computational method to make complex dendrite models much simpler. These faithful reductions may lead AI applications to process information much like the brain does. (2021-01-27)

An anode-free zinc battery that could someday store renewable energy
Renewable energy sources, such as wind and solar power, could help decrease the world's reliance on fossil fuels. But first, power companies need a safe, cost-effective way to store the energy for later use. Massive lithium-ion batteries can do the job, but they suffer from safety issues and limited lithium availability. Now, researchers reporting in ACS' Nano Letters have made a prototype of an anode-free, zinc-based battery that uses low-cost, naturally abundant materials. (2021-01-20)

How short circuits in lithium metal batteries can be prevented
There are high hopes for the next generation of high energy-density lithium metal batteries, but before they can be used in our vehicles, there are crucial problems to solve. An international research team led by Chalmers University of Technology, Sweden, has now developed concrete guidelines for how the batteries should be charged and operated, maximising efficiency while minimising the risk of short circuits. (2021-01-19)

Healing ceramic electrolyte degraded by Li dendrite
Our research team has investigated the effect of post-annealing for healing Li garnet solid electrolyte degraded by the growth of Li dendrites. The ionic conductivity of the annealed solid electrolyte was slightly lower than that of the electrolyte before annealing but was retained above 10?4 S cm?1 at room temperature. The electrochemical results obtained indicate the possibility of reusing the solid electrolyte degraded by the growth of Li dendrites in another all-solid-state Li battery. (2021-01-18)

A safer, less expensive and fast charging aqueous battery
Researchers have developed a new battery anode that overcomes the limitations of lithium-ion batteries and offers a stable, high-performance battery using seawater as the electrolyte. (2021-01-11)

New compound related to psychedelic ibogaine could treat addiction, depression
A non-hallucinogenic version of the psychedelic drug ibogaine, with potential for treating addiction, depression and other psychiatric disorders, has been developed by researchers at UC Davis. (2020-12-09)

Treating brain diseases now possible
POSTECH research team led by Professor Kyong-Tai Kim uncovers the mechanism that regulates local expression of key molecules in brain development and neurodegenerative diseases. (2020-12-01)

Proteins in motion
Membrane proteins are more efficient at reaching distal dendrites than soluble proteins (2020-11-21)

Dormant threat: Abnormal proteins unleash latent toxicity in neurodegenerative diseases
Though neurodegenerative diseases are becoming more common in today's aging societies, the exact way in which accumulated abnormal proteins become toxic to neurons is unknown. In a recent study conducted at Daegu Gyeongbuk Institute of Science and Technology, Korea, scientists have discovered a new mechanism of action by which these abnormal proteins actually unlock the normally latent toxicity of native proteins. Their results represent a completely new avenue toward the development of effective therapies. (2020-11-20)

Reelin-Nrp1 interaction regulates neocortical dendrite development
Reelin exhibits a context-dependent function during brain development; however, its underlying mechanism is not well understood. Here, we found that neuropilin-1 specifically binds to the C-terminal region of Reelin and acts as a co-receptor for canonical Reelin-receptor. The Reelin-Nrp1 interaction is essential for proper dendritic development in superficial-layer neurons. This study provides evidence of the context-specific function of Reelin regulated by the C-terminal residues. (2020-10-15)

AI learns to trace neuronal pathways
Cold Spring Harbor Laboratory scientists dramatically improved the efficiency of automated methods for tracing neuronal connections. They taught a computer to recognize different parts of neurons, then used the math of topology to see how those neurons are likely to connect. (2020-09-28)

The surprising organization of avian brains
Some birds can perform amazing cognitive feats - even though their forebrains seem to just consist of lumps of grey cells, while mammalian forebrains harbour a highly complex neocortex. A study conducted by a research team at Ruhr-Universität Bochum (RUB) and researchers from Düsseldorf, Jülich and Aachen reveals for the first time amazing similarities between the neocortex of mammals and sensory brain areas of birds: both are arranged in horizontal layers and vertical columns. (2020-09-25)

Development of next-generation zinc ion battery without the risk of explosion or fire
The Korea Institute of Science and Technology (KIST) has announced that a research team of the Center for Energy Storage Research had developed a next-generation secondary battery that uses zinc metal as an electrode without any risk of explosion or fire. This battery is safe enough to be worn on the body and can be manufactured in the form of fiber shape, which means it may potentially be applied as a power source for wearable devices in the future. (2020-09-02)

Thin layer protects battery, allows cold charging
In the search for a reliable, quick-charging, cold-weather battery for automobiles, a self-assembling, thin layer of electrochemically active molecules may be the solution, according to a team or researchers. (2020-08-25)

Unbalanced microtubule networks launch establishment of neuronal polarity
Prof. MENG Wenxiang's group from the Institute of Genetics and Developmental Biology of the Chinese Academy of Sciences recently reported a new mechanism by which microtubule networks instruct neuronal polarity. (2020-08-21)

No more playing with fire: Study offers insight into 'safer' rechargeable batteries
Lithium-ion batteries are used in various electronic devices. But, they also come with potential hazards, particularly if the battery is damaged or overcharged. This usually occurs because, in its overcharged state, spiky structures called 'lithium dendrites' get deposited in the battery. Now, scientists at Okayama University use a technique called 'operando nuclear magnetic resonance' to track the precise mechanism of dendrite formation. They also extend their experiments to sodium-ion batteries, making their practical application easier. (2020-08-19)

Battery breakthrough gives boost to electric flight and long-range electric cars
Researchers at the Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab), in collaboration with Carnegie Mellon University, have developed a new battery material that could enable long-range electric vehicles that can drive for hundreds of miles on a single charge, and electric planes called eVTOLs for fast, environmentally friendly commutes. (2020-07-20)

New lithium battery charges faster, reduces risk of device explosions
Cell phone batteries often heat up and, at times, can burst into flames. In most cases, the culprit behind such incidents can be traced back to lithium batteries. Despite providing long-lasting electric currents that can keep devices powered up, lithium batteries can internally short circuit, heating up the device. (2020-07-14)

New tools will enhance the specificity of imaging in the mouse brain
It's a big question in neuroscience: How does structure and activity in the brain relate to function? Researchers often study the dynamics of those relationships by measuring neural activity through fluorescent imaging in the mouse brain, a process made difficult by the density of brain tissue and its interwoven and overlapping nerve fibers. Publishing in Neuron, researchers at the Buck Institute have developed tools that make the imaging of neural circuits easier and more precise. (2020-06-22)

Adult-born neurons grow more than their infancy-born counterparts
Adult-born neurons keep growing and contributing to brain flexibility long after neurogenesis declines, according to research in rats published in JNeurosci. (2020-06-22)

Protecting the neuronal architecture
Protecting nerve cells from losing their characteristic extensions, the dendrites, can reduce brain damage after a stroke. Neurobiologists from Heidelberg University have demonstrated this by means of research on a mouse model. The team, led by Prof. Dr. Hilmar Bading in cooperation with Junior Professor Dr. Daniela Mauceri, is investigating the protection of neuronal architecture to develop new approaches to treating neurodegenerative diseases. (2020-06-05)

Cutting edge two-photon microscopy system breaks new grounds in retinal imaging
In a recent breakthrough, a team of HKUST scientists developed an adaptive optics two-photon excitation fluorescence microscopy using direct wavefront sensing for high-resolution in vivo fluorescence imaging of mouse retina, which allow in vivo fundus imaging at an unprecedented resolution after full AO correction. (2020-05-20)

MRI scanning assists with next generation battery design
Magnetic resonance imaging (MRI) can provide an effective way of supporting the development of the next generation of high-performance rechargeable batteries, according to research led by the University of Birmingham. (2020-04-29)

Scientists discover new features of molecular elevator
Biophysicists have visualized a nearly complete transport cycle of the mammalian glutamate transporter homologue from archaea. They confirmed that the transport mechanism resembles that of an elevator: A 'door' opens, ions and substrate molecules come in, the door closes, and they travel through the membrane. (2020-04-19)

NCAM2 protein plays a decisive role in the formation of structures for cognitive learning
The molecule NCAM2, a glycoprotein from the superfamily of immunoglobulins, is a vital factor in the formation of the cerebral cortex, neuronal morphogenesis and formation of neuronal circuits in the brain, as stated in the new study published in the journal Cerebral Cortex. The deficit of NCAM2 causes an incorrect migration of neurons and alters the morphology, cytoskeleton and functionality of these cells in the central nervous system. (2020-03-13)

'Spillway' for electrons could keep lithium metal batteries from catching fire
UC San Diego nanoengineers developed a safety feature that prevents lithium metal batteries from rapidly overheating and catching fire in case of an internal short circuit. The clever tweak does not prevent battery failure, but rather provides advance warning of failure and makes it much safer. (2020-03-12)

Potassium metal battery emerges as a rival to lithium-ion technology
In research published in Proceedings of the National Academy of Sciences, researchers from Rensselaer Polytechnic Institute demonstrate how they can overcome a persistent challenge known as dendrites to create a metal battery that performs nearly as well as a lithium-ion battery, but relies on potassium -- a much more abundant and less expensive element. (2020-03-02)

Scientists develop a composite membrane for long-life zinc-based flow batteries
Researchers led by Profs. LI Xianfeng from the Dalian Institute of Chemical Physics (DICP) of the Chinese Academy of Sciences recently developed a composite membrane for long-life zinc-based flow batteries. (2020-02-24)

Ultrasound device improves charge time and run time in lithium batteries
Researchers at the University of California San Diego developed an ultrasound-emitting device that brings lithium metal batteries, or LMBs, one step closer to commercial viability. Although the research team focused on LMBs, the device can be used in any battery, regardless of chemistry. (2020-02-18)

Researchers show advance in next-generation lithium metal batteries
A Washington State University research team has developed a way to address a major safety issue with lithium metal batteries - an innovation that could make high-energy batteries more viable for next-generation energy storage. (2020-02-18)

MTU engineers examine lithium battery defects
Lithium dendrites cause poor performance and even explosions in batteries with flammable liquid electrolytes. How these dendrites grow, even with a solid electrolytes, is still a mystery, but materials engineers at MTU and Oak Ridge study the conditions that enable dendrites and how to stop them. (2020-01-24)

A new method to study lithium dendrites could lead to better, safer batteries
Lithium ion batteries often grow needle-like structures between electrodes that can short out the batteries and sometimes cause fires. Now, an international team of researchers has found a way to grow and observe these structures to understand ways to stop or prevent their appearance. (2020-01-09)

Gut microbes may improve stroke recovery
New research shows that short chain fatty acids could help protect brain cells from damage caused by inflammation after a stroke. (2020-01-08)

Harnessing the microbiome to improve stroke recovery
Supplementing the body's short chain fatty acids can improve stroke recovery, according to research in mice recently published in JNeurosci. Short chain fatty acid supplementation may be a noninvasive addition to stroke rehabilitation therapies. (2020-01-02)

Newly identified dendritic action potentials give humans unique brain power
Newly discovered action potentials in neuronal dendrites neurons uniquely amplify the computational power of the human brain, according to a new study. (2020-01-02)

New polymer material may help batteries become self-healing, recyclable
Lithium-ion batteries are notorious for developing internal electrical shorts that can ignite a battery's liquid electrolytes, leading to explosions and fires. Engineers at the University of Illinois have developed a solid polymer-based electrolyte that can self-heal after damage -- and the material can also be recycled without the use of harsh chemicals or high temperatures. (2019-12-23)

IU team identifies potential target for restoring movement after spinal cord injury
Researchers at Indiana University School of Medicine have made several novel discoveries in the field of spinal cord injuries (SCI). Most recently, the team led by Xiao-Ming Xu, PhD, has been working to determine how to activate movement after a spinal cord injury at the ninth thoracic level, where nerve fibers from the brain down to the spinal cord are interrupted. (2019-12-20)

Radiation breaks connections in the brain
One of the potentially life-altering side effects that patients experience after cranial radiotherapy for brain cancer is cognitive impairment. Researchers now believe that they have pinpointed why this occurs and these findings could point the way for new therapies to protect the brain from the damage caused by radiation. (2019-12-16)

Dendrites filtering neuron's excitement
Kyoto University research shows that Purkinje cell dendrites filter out signals to the Soma. Distal dendrites modulate the incoming signals through intrinsic plasticity associated with the down-regulation of SK channels (2019-12-06)

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