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Related Concept Videos

X-ray Imaging01:24

X-ray Imaging

German physicist Wilhelm Röntgen (1845–1923) was experimenting with electrical current when he discovered that a mysterious and invisible "ray" would pass through his flesh but leave an outline of his bones on a screen coated with a metal compound. In 1895, Röntgen made the first durable record of the internal parts of a living human: an "X-ray" image (as it came to be called) of his wife’s hand. Scientists worldwide quickly began their own experiments with X-rays, and by 1900, X-ray was widely...
Computed Tomography01:10

Computed Tomography

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.
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
Imaging Studies for Cardiovascular System III: X-Ray01:20

Imaging Studies for Cardiovascular System III: X-Ray

The most common cardiovascular diagnostic test is an X-ray. It produces images of the heart, blood vessels, and adjacent structures.
Definition and Purpose
An X-ray, or radiograph, is a non-invasive method that uses ionizing radiation to take images of internal structures. It is mainly used in cardiac imaging to examine the heart, lungs, and major blood vessels, aiming to identify abnormalities in the heart's size, shape, and position, such as heart failure, congenital defects, and vascular...
X-ray Diffraction of Biological Samples01:10

X-ray Diffraction of Biological Samples

X-ray diffraction or XRD is an analytical tool that utilizes X-rays to study ordered structures such as crystalline organic and inorganic samples, polycrystalline materials, proteins, carbohydrates, and drugs.
According to Bragg's law, when X-rays strike the sample positioned on a stage, the rays are  scattered by the electron clouds around the sample atoms. The  X-ray diffraction or scattering is caused by constructive interference of the X-ray waves that reflect off the internal crystal...
Imaging Studies I: CT and MRI01:14

Imaging Studies I: CT and MRI

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.
Description of the Procedures
Computed Tomography (CT) scan:
Computed Tomography (CT) scans use X-ray technology to generate detailed images of bones, organs, and tissues. During the scan, the patient lies on a moving table...
Atomic Force Microscopy01:08

Atomic Force Microscopy

Atomic force microscopy (AFM) is a type of scanning probe microscopy that can analyze topographic details of various specimens like ceramics, glass, polymers, and biological samples. AFM offers over 1000 times more resolution than the optical imaging system. Images generated from AFM are three-dimensional surface profiles, offering an advantage over the flat, two-dimensional images from other imaging techniques.
The AFM Probe
The probe is regarded as the heart of any AFM setup and comprises the...

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Related Experiment Video

Updated: May 19, 2026

X-ray Dose Reduction through Adaptive Exposure in Fluoroscopic Imaging
08:30

X-ray Dose Reduction through Adaptive Exposure in Fluoroscopic Imaging

Published on: September 11, 2011

Advanced X-Ray Imaging Technology.

Daniela Pfeiffer1,2, Ernst Rummeny1, Franz Pfeiffer3,4

  • 1Institute of Diagnostic and Interventional Radiology, TUM University Hospital rechts der Isar, TUM School of Medicine & Health, Technical University of Munich, Munich, Germany.

Recent Results in Cancer Research. Fortschritte Der Krebsforschung. Progres Dans Les Recherches Sur Le Cancer
|May 18, 2026
PubMed
Summary
This summary is machine-generated.

X-ray imaging can be enhanced by exploiting X-ray energy spectrum and wave properties. These advancements promise more detailed, molecularly specific medical imaging beyond current black and white capabilities.

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Area of Science:

  • Medical Imaging
  • Radiology
  • Physics of X-rays

Background:

  • X-rays, discovered in 1895, are a cornerstone of medical imaging due to their speed and cost-effectiveness.
  • Current X-ray imaging primarily relies on the particle nature of X-rays, resulting in black and white images.
  • Existing X-ray technology has not fully leveraged the spectral and wave properties of X-rays.

Purpose of the Study:

  • To explore the underutilized spectral dependencies of X-ray energies for enhanced medical imaging.
  • To investigate the potential of utilizing the wave nature of X-rays for novel imaging techniques.
  • To advance oncological precision radiology through new X-ray imaging modalities.

Main Methods:

  • Analyzing the differential interactions of various X-ray energies with human tissues and materials.
  • Investigating the phase shift phenomenon of X-rays interacting with matter, analogous to visible light.
  • Developing new imaging approaches based on X-ray wave properties and spectral information.

Main Results:

  • Exploiting spectral dependencies can yield more than just black and white CT images, offering molecularly specific information.
  • Interpreting X-rays in the wave picture reveals phase shifts, enabling new image contrasts.
  • New X-ray images can depict wave interactions with matter, complementing traditional attenuation-based imaging.

Conclusions:

  • Significant potential exists for enhancing current X-ray imaging equipment by exploiting spectral and wave properties.
  • These advancements can lead to molecularly specific information, particularly beneficial for oncological precision radiology.
  • Leveraging the wave nature of X-rays opens avenues for novel imaging techniques beyond current limitations.