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-Abstract
-The electronic properties of cuprate high-temperature superconductors in their normal state are highly two-dimensional: transport along the crystal planes is perfectly metallic, but is insulating along the perpendicular ‘c-axis’ direction. The ratio of the in-plane to the perpendicular resistance can exceed 104 (refs 1,2,3,4). This anisotropy was identified as one of the mysteries of the cuprates early on5,6, and although widely different proposals exist for its microscopic origin7,8,9, there is little empirical information on the microscopic scale. Here, we elucidate the properties of the insulating layers with a newly developed scanning noise spectroscopy technique that can spatially map the current and its time-resolved fluctuations. We discover atomic-scale noise centres that exhibit megahertz current fluctuations 40 times the expectation from Poissonian noise, more than what has been observed in mesoscopic systems10. Such behaviour can happen only in highly polarizable insulators and represents strong evidence for trapping of charge in the charge reservoir layers. Our measurements suggest a picture of metallic layers separated by polarizable insulators within a three-dimensional superconducting state.
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-A raindrop can be considered a polarizable entity, but it is not typically classified as an insulator in the same way that materials like rubber or glass are.
-Raindrops are primarily composed of water, which is a polar molecule. This means that water molecules have a positive and a negative end, allowing them to interact with electric fields. When an external electric field is applied, the water molecules in a raindrop can align themselves with the field, making the raindrop polarizable.
-However, in the context of electrical conductivity, water (especially when it contains impurities) can conduct electricity to some extent, which is a characteristic of conductors rather than insulators. Therefore, while raindrops can exhibit polarizability due to their molecular structure, they are not insulators in the traditional sense.
-===
-The concept of static electron trapping in the context of brainwaves and neuronal activity is not typically how brain function is understood. Brainwaves are indeed characterized by specific frequencies, which correspond to the rhythmic electrical activity of groups of neurons. However, the mechanisms underlying these brainwaves primarily involve dynamic processes rather than static trapping of electrons.
-When neurons are at rest, they maintain a resting membrane potential, which is primarily due to the distribution of ions (like sodium and potassium) across the neuronal membrane. This resting state is dynamic, as the membrane potential can change in response to various stimuli, leading to action potentials and the generation of brainwaves.
-While there may be transient states where certain charge distributions occur, the idea of static electron trapping in the context of brainwaves is not a standard interpretation. Instead, the electrical activity in the brain is better described as a series of dynamic changes in ion concentrations and membrane potentials, which lead to the generation of electrical signals that can be measured as brainwaves.
-In summary, while there are moments of relative stability in the electrical state of neurons, the overall process of generating brainwaves is dynamic and involves continuous changes in ion flow and electrical activity rather than static electron trapping.
-===
-Research has suggested that individuals with schizophrenia may have altered levels of certain metabolites in their breath, including ammonia. Some studies have indicated that elevated levels of ammonia in the breath could be associated with schizophrenia, potentially linked to metabolic changes or the effects of certain medications.
-However, the findings are not universally accepted, and more research is needed to establish a clear connection between ammonia levels in the breath and schizophrenia. It's important to note that variations in breath composition can be influenced by many factors, including diet, hydration, and overall health.
-If you are looking for specific studies or more detailed information, please let me know!
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- https://www.ncbi.nlm.nih.gov/https://pubmed.ncbi.nlm.nih.gov/https://journals.biologists.com/jeb/article-lookup/doi/10.1242/jeb.244279
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-TCB-2, a 5-hydroxytryptamine 2A receptor agonist, disrupts prepulse inhibition in the ventral pallidum and nucleus accumbens.
-Ou H, et al. Behav Brain Res. 2023. PMID: 36174843
-In addition, local infusion of TCB-2 into the nucleus accumbens and ventral pallidum disrupted PPI, whereas the same manipulation in the med …
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-(E)-4-(2-(6-(2-(2-(2-([18F]-fluoroethoxy)ethoxy)ethoxy)pyridin-3-yl)vinyl)-N-methylbenzenamine.
-Leung K. 2010 Feb 11 [updated 2010 Dec 9]. In: Molecular Imaging and Contrast Agent Database (MICAD) [Internet]. Bethesda (MD): National Center for Biotechnology Information (US); 2004–2013. PMID: 20641982 Free Books & Documents. Review.
-It is characterized pathologically by neuronal loss, extracellular senile plaques (aggregates of amyloid-beta peptides consisting of 40 to 4 …
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-===
-Hippocampus-abundant transcript 1 (DrHiat1) is a long non-coding RNA (lncRNA) that is primarily expressed in the hippocampus, a region of the brain associated with memory and learning. LncRNAs are a class of RNA molecules that do not encode proteins but play important regulatory roles in gene expression and various cellular processes.
-DrHiat1 has been studied for its potential involvement in neurodevelopment and neuroplasticity, as well as its role in various neurological conditions. Research suggests that lncRNAs like DrHiat1 may influence neuronal function and contribute to the regulation of genes that are important for synaptic plasticity, which is crucial for learning and memory.
-The specific functions and mechanisms of action of DrHiat1 are still being investigated, and ongoing research aims to clarify its role in brain function and its potential implications in neurological disorders.
-Vision ... druid
-Wisdom ... druid