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Videos de Conceptos Relacionados

Nuclear Fusion02:45

Nuclear Fusion

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The process of converting very light nuclei into heavier nuclei is also accompanied by the conversion of mass into large amounts of energy, a process called fusion. The principal source of energy in the sun is a net fusion reaction in which four hydrogen nuclei fuse and ultimately produce one helium nucleus and two positrons.
A helium nucleus has a mass that is 0.7% less than that of four hydrogen nuclei; this lost mass is converted into energy during the fusion. This reaction produces about...
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Tagging and Fusion Proteins01:24

Tagging and Fusion Proteins

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Proteins are involved in several cellular processes and biochemical reactions. Analyzing a specific protein of interest requires it to be isolated from the other proteins in the cell. This is achieved by overexpressing the specific gene in a suitable host to produce large quantities of the target protein. A tag or label is recombined with the gene to produce a fusion protein containing the target protein and the tag. The tags on these fusion proteins can then be used for easy detection and...
6.6K
Fusion of Secretory Vesicles with the Plasma Membrane01:26

Fusion of Secretory Vesicles with the Plasma Membrane

11.0K
Proteins and neurotransmitters in secretory vesicles can be released from a cell upon vesicle docking, priming, and fusion with the plasma membrane. Vesicles are docked and primed in preparation for the quick exocytosis of their contents in response to a stimulus. The fusion process is mainly carried out by a SNAP Receptor or SNARE complex, consisting of synaptobrevin, syntaxin-1, and SNAP-25.
In 1993, Jim Rothman proposed that the antiparallel pairing of vesicular and transmembrane SNAREs, or...
11.0K
SNAREs and Membrane Fusion01:43

SNAREs and Membrane Fusion

10.9K
Once a transport vesicle has recognized its target organelle, the vesicular membrane needs to fuse with the target membrane to unload the cargo. Transmembrane proteins called SNAREs present on organelle membranes and their vesicles, mediate vesicle fusion.
SNAREs exist in pairs that symmetrically interact and catalyze the fusion of the lipid bilayers in vesicle and target organelle. v-SNARE in the vesicle membrane are single polypeptide chains that bind to a complementary t-SNARE, composed of 2...
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Nuclear Fission02:50

Nuclear Fission

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Many heavier elements with smaller binding energies per nucleon can decompose into more stable elements that have intermediate mass numbers and larger binding energies per nucleon—that is, mass numbers and binding energies per nucleon that are closer to the “peak” of the binding energy graph near 56. Sometimes neutrons are also produced. This decomposition of a large nucleus into smaller pieces is called fission. The breaking is rather random with the formation of a large...
9.6K
Fermi Level01:18

Fermi Level

559
The Fermi-Dirac function is represented by an S-shaped curve indicating the probability of an energy state being occupied by an electron at a given temperature. The Fermi level is the energy level at which there is a fifty percent chance of finding an electron, and it is positioned between the lower-energy valence band and the higher-energy conduction band.
At absolute zero temperature, electrons fill all energy states up to the Fermi level, leaving upper states empty. As the temperature rises,...
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Surrogate Model Development for Digital Experiments in Welding
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Hacer que la fusión valga la pena

Adrian Cho1

  • 1Janesville, Wisconsin.

Science (New York, N.Y.)
|July 18, 2024
PubMed
Resumen

SHINE Technologies está revolucionando la producción de isótopos médicos para financiar sus objetivos de generación de energía de fusión. Esta innovación tiene como objetivo mejorar el suministro de isótopos críticos para aplicaciones diagnósticas y terapéuticas.

Área de la Ciencia:

  • Ingeniería nuclear
  • Física médica
  • La radioquímica

Sus antecedentes:

  • La producción actual de isótopos médicos se enfrenta a desafíos y limitaciones en la cadena de suministro.
  • La energía de fusión ofrece una solución energética a largo plazo, pero requiere una inversión significativa.
  • SHINE Technologies busca unir estas áreas aprovechando su experiencia.

Objetivo del estudio:

  • Para detallar la estrategia de SHINE Technologies para transformar la producción de isótopos médicos.
  • Describir el enfoque de la empresa para financiar la investigación de la energía de fusión a través de la comercialización de isótopos.
  • Destacar el impacto potencial en los sectores de la salud y la energía.

Principales métodos:

  • Centrarse en el desarrollo y la ampliación de tecnologías patentadas de producción de isótopos.

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  • Implementación de procesos de fabricación avanzados para el suministro constante de isótopos de alta pureza.
  • Entrada estratégica en el mercado y asociaciones dentro de la comunidad médica.

    • Principales resultados:

    • Establecimiento de una cadena de suministro de isótopos médicos robusta y escalable.
    • Generación de flujos de ingresos para apoyar la investigación y el desarrollo a largo plazo de la energía de fusión.
    • Aumento de la disponibilidad de isótopos esenciales para la medicina nuclear.

    Conclusiones:

    • El enfoque dual de SHINE Technologies aborda las necesidades críticas tanto en el sector de la salud como en el de la energía.
    • La producción exitosa de isótopos médicos es una vía viable para financiar la energía de fusión.
    • Esta estrategia posiciona a SHINE como un actor clave en el avance de las tecnologías nucleares.