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Imaging Studies I: CT and MRI01:14

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Introduction: MRI and CT scans are crucial advancements in medical imaging techniques, playing a vital role in diagnosing conditions related to the gastrointestinal (GI) system. Each scan serves distinct purposes, targets specific areas, and requires unique nursing duties.
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Magnetic resonance imaging (MRI) is a noninvasive medical imaging technique based on a phenomenon of nuclear physics discovered in the 1930s, in which matter exposed to magnetic fields and radio waves was found to emit radio signals. In 1970, a physician and researcher named Raymond Damadian noticed that malignant (cancerous) tissue gave off different signals than normal body tissue. He applied for a patent for the first MRI scanning device in clinical use by the early 1980s. The early MRI...
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Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
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Positron Emission Tomography (PET) is a medical imaging technique that provides crucial insights into the body's physiological functions at a molecular level. It is an indispensable resource for diagnosing, staging, and monitoring various illnesses, notably cancer, neurological disorders, and cardiovascular conditions.
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Biomedical imaging and sensing using flatbed scanners.

Zoltán Göröcs1, Aydogan Ozcan

  • 1Department of Electrical Engineering, University of California Los Angeles (UCLA Electrical Engineering and Bioengineering Departments), CA 90095, USA. ozcan@ucla.edu.

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Summary
This summary is machine-generated.

Flatbed scanners offer cost-effective, large-field-of-view biomedical imaging and sensing. These accessible tools can democratize scientific measurement, empowering researchers globally.

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Area of Science:

  • Biomedical Imaging
  • Sensing Technologies
  • Medical Diagnostics

Background:

  • Traditional optical microscopes have limited fields of view, restricting the imaging of large samples.
  • Cost-effectiveness and accessibility are crucial for widespread adoption of scientific tools.

Purpose of the Study:

  • To review flatbed scanner-based biomedical imaging and sensing techniques.
  • To highlight the potential of flatbed scanners in democratizing scientific measurement.

Main Methods:

  • Overview of flatbed scanner features and key experimental design parameters.
  • Discussion of significant examples of scanner-based biomedical imaging and sensing systems.

Main Results:

  • Flatbed scanners provide a large imaging field-of-view (~600-700 cm(2)).
  • Scanner-based systems enable automated data collection and imaging of large samples.
  • These devices offer cost-effective solutions for biomedical research.

Conclusions:

  • Flatbed scanners present unique opportunities for biomedical imaging and sensing.
  • Their use can transform practices in medicine, engineering, and science, especially in resource-limited settings.
  • Empowerment of citizen scientists, educators, and researchers through accessible technology.