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Category: Imaging

  • MRI: Cryogen free tech

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    Josh
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    New Cryogen-Free Technology for Achieving Superconductivity Cryogen-free technology for superconductivity refers to systems that achieve and maintain the low temperatures required for superconducting states without relying on traditional cryogenic liquids like liquid helium (boiling point ~4.2 K) or liquid nitrogen (boiling point ~77 K). Instead, these systems use closed-cycle cryocoolers, such as pulse tube cryocoolers…

  • MRI: Quantum coherence

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    Josh
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    Multiple quantum coherence (MQC) is a central concept in nuclear magnetic resonance (NMR) spectroscopy, describing the correlated evolution of multiple nuclear spins in a quantum mechanical system. It plays a critical role in advanced NMR experiments, enabling the study of molecular structure, dynamics, and interactions with high resolution and sensitivity. Below, I provide a comprehensive…

  • MRI: Nuclear Overhauser Effect

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    Josh
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    The Nuclear Overhauser Effect (NOE) is a fundamental phenomenon in nuclear magnetic resonance (NMR) spectroscopy, widely used to probe the spatial proximity and dynamics of nuclear spins in molecules, particularly in structural biology and organic chemistry. Below, I provide a comprehensive description of the NOE, including its physics, chemistry, pulse sequences, and applications, as requested.…

  • Imaging: Carbon-13

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    Josh
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    Hyperpolarized carbon-13 magnetic resonance imaging (HP ^13C MRI) is an advanced imaging modality that significantly enhances the magnetic resonance signal of ^13C-labeled compounds, enabling real-time visualization of metabolic processes in vivo. This technique has profound implications for diagnosing and monitoring various diseases, including cancer, cardiovascular conditions, and inflammatory disorders.Wiley Online Library+4PubMed+4PMC+4Analytical Science Journals+2PMC+2braintumorcenter.ucsf.edu+2 Dynamic Nuclear…

  • Imaging: Xenon MRI

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    Josh
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    Please note – this, like nearly all posts on this site, is generated by a large language model. While it may state many correct things, a healthy skepticism is warranted. What Is Xenon MRI? Xenon MRI refers to a specialized imaging technique that uses hyperpolarized xenon-129 gas as a contrast agent in MRI scans. Unlike…

  • Science: Health Economics of Medical Imaging

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    Josh
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    Introduction: The Evolving Landscape of Medical Imaging and Health Economics Health economics, as an applied field of study, provides a systematic and rigorous framework for examining the challenges inherent in promoting health for all . It applies economic theories related to consumer, producer, and social choices to understand the behavior of individuals, healthcare providers, organizations,…

  • Science: Monoclonal Antibodies

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    Josh
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    Monoclonal antibodies (mAbs) are laboratory-made molecules that can bind to specific targets in the body. They are designed to mimic the immune system’s ability to fight off harmful pathogens like viruses or bacteria, but they are engineered to target particular proteins or molecules. Here’s a breakdown of how they’re useful for imaging and drug delivery:…