Publications by authors named "J Snipes"

The path of tokamak fusion and International thermonuclear experimental reactor (ITER) is maintaining high-performance plasma to produce sufficient fusion power. This effort is hindered by the transient energy burst arising from the instabilities at the boundary of plasmas. Conventional 3D magnetic perturbations used to suppress these instabilities often degrade fusion performance and increase the risk of other instabilities.

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A tokamak relies on the axisymmetric magnetic fields to confine fusion plasmas and aims to deliver sustainable and clean energy. However, misalignments arise inevitably in the tokamak construction, leading to small asymmetries in the magnetic field known as error fields (EFs). The EFs have been a major concern in the tokamak approaches because small EFs, even less than 0.

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Article Synopsis
  • Brain-derived extracellular vesicles (EVs) are key players in Alzheimer's disease, acting as potential biomarkers due to the protection of their internal cargo from degradation.
  • * A new method was developed to collect EVs from the hippocampal interstitial fluid of live mice, with specific techniques used for isolation and characterization.
  • * Findings indicate that, in a model of Alzheimer’s, the protein concentration in EVs increases while protein diversity decreases with amyloid-beta deposition, and notable differences were observed based on sex regarding microglial EV proteome.
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Elevated blood glucose levels, or hyperglycemia, can increase brain excitability and amyloid-β (Aβ) release, offering a mechanistic link between type 2 diabetes and Alzheimer's disease (AD). Since the cellular mechanisms governing this relationship are poorly understood, we explored whether ATP-sensitive potassium (KATP) channels, which couple changes in energy availability with cellular excitability, play a role in AD pathogenesis. First, we demonstrate that KATP channel subunits Kir6.

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Article Synopsis
  • Brain-derived extracellular vesicles (EVs) are important in Alzheimer's disease (AD) as they contain physiological information about brain regions and could serve as AD biomarkers due to their stability in circulation.
  • A new method was developed to collect these EVs from the hippocampal interstitial fluid of live mice, revealing specific characteristics and size dimensions alongside conducting proteomic analyses.
  • In a mouse model of cerebral amyloidosis, findings indicated that while protein concentration in EVs increased with amyloid plaque deposition, the diversity of proteins decreased, and that these changes varied based on genotype, age, and sex, highlighting different microglial responses in female mice.
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