Results 151 to 160 of about 470,740 (429)

Molecular mechanisms for synchronous, asynchronous, and spontaneous neurotransmitter release.

open access: yesAnnual Review of Physiology, 2014
Most neuronal communication relies upon the synchronous release of neurotransmitters, which occurs through synaptic vesicle exocytosis triggered by action potential invasion of a presynaptic bouton.
P. Kaeser, W. Regehr
semanticscholar   +1 more source

Neurotransmitter Switching? No Surprise [PDF]

open access: yesNeuron, 2015
Among the many forms of brain plasticity, changes in synaptic strength and changes in synapse number are particularly prominent. However, evidence for neurotransmitter respecification or switching has been accumulating steadily, both in the developing nervous system and in the adult brain, with observations of transmitter addition, loss, or replacement
openaire   +2 more sources

β‐HYDROXYLATED SYMPATHOMIMETIC AMINES AS FALSE NEUROTRANSMITTERS [PDF]

open access: bronze, 1965
Josef E. Fischer   +2 more
openalex   +1 more source

Nano‐Octahedron Cobalt Oxide Decorated Graphene Nanocomposites for the Selective/Simultaneous Detection of Dopamine

open access: yesAdvanced Materials Interfaces, EarlyView.
Nano‐octahedron Co3O4 decorated graphene composite electrode for selective and simultaneous detection of dopamine. The detection limit of 0.09 µM, and linear range from 1 to 500 µM are reported. The synergistic effect of nano octahedron Co3O4 and graphene results in excellent performance of the sensor in terms of selectivity and sensitivity.
Swathi Tharani Dharmalingam   +5 more
wiley   +1 more source

The Price of Cognition and Replicator Equations in Parallel Neural Networks [PDF]

open access: yesarXiv
In this paper, we are aiming to propose a novel mathematical model that studies the dynamics of synaptic damage in terms of concentrations of toxic neuropeptides/neurotransmitters during neurotransmission processes. Our primary objective is to employ Wardrop's first and second principles within a neural network of the brain. In order to comprehensively
arxiv  

Organic Ferroelectric Synaptic Transistors for Neural Image Recognition Networks

open access: yesAdvanced Materials Interfaces, EarlyView.
All organic transistors, where both the dielectric and semiconducting layers are polymeric, are developed as electrical synaptic devices. Two copolymers of PVDF as the dielectric layer with large differences in their saturation polarizability and memory window are chosen.
Evan Restuccia   +2 more
wiley   +1 more source

Neurotransmitter detection using corona phase molecular recognition on fluorescent single-walled carbon nanotube sensors.

open access: yesJournal of the American Chemical Society, 2014
Temporal and spatial changes in neurotransmitter concentrations are central to information processing in neural networks. Therefore, biosensors for neurotransmitters are essential tools for neuroscience.
S. Kruss   +9 more
semanticscholar   +1 more source

Hemicrania and neurotransmitter.

open access: yesNihon Naika Gakkai Zasshi, 1998
片頭痛の病態は長い研究の歴史をもつが,いまだに明らかになっていないのが現状である.それは,血管説・神経説・三叉神経血管説など病態各説がニューロトランスミッターを介して相互に関わっているためと,病変の主座である脳血管の病的変化の鍵を握る分布する神経線維のニューロトランスミッター自体の種類・作用が十分解明されていないためである.本稿では,このニューロトランスミッターに焦点をあて,最近の知見を中心に現在の片頭痛の病態研究の話題と問題点を浮き彫りにすることを目的とした.片頭痛に関わるニューロトランスミッターには,血管反応性に関与するものと痛覚伝達に関与するもの,およびに2つの機能を兼ね備えるものに分けられる.治療への応用という見地からもっとも注目されているものはセロトニン(5-HT)で,とくに5-HT ...
openaire   +4 more sources

Biological and Mechanical Limitations for Chronic Fast‐Scan Cyclic Voltammetry Sensor Design

open access: yesAdvanced Materials Technologies, EarlyView.
Real‐time detection of neurochemicals has demonstrated value in the field of neuroscience. However, current methods have limitations for use in the chronic setting, which is often the ideal environment for research. This article discusses these limitations, as well as technologies that have been developed to overcome them, and provides recommendations ...
Mason L. Perillo   +6 more
wiley   +1 more source

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