Electrical, Electronics, and Avionics

Magnetic resonance imaging (MRI)

Stories

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Technology Leaders: Medical
Microwave sensing and imaging (MSI) technology, which has been in for many years, has now improved to the point that it may usefully supplement or even replace MRI machines and CT scanners in certain applications, including stroke detection and breast cancer detection.
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Briefs: Imaging
The tool shows promise for imaging brain activity in 3D with high speed and contrast.
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Briefs: Manufacturing & Prototyping
Surgeons can use the heart model as a tool for planning and practice.
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5 Ws: Imaging
A newly designed wearable magnetic metamaterial could help make MRI scans crisper, faster, and cheaper.
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Briefs: Sensors/Data Acquisition
The walking quadruped is controlled and powered by pressurized air.
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Briefs: Imaging
High-Performance, Low-Field MRI for Cardiac and Lung Imaging
The system could enhance image-guided procedures that diagnose and treat disease and make medical imaging more affordable and accessible.
Briefs: Test & Measurement

Magnetic resonance imaging (MRI) machines are employed to locate cancerous tumors and aid in the development of treatment plans, while nuclear magnetic resonance (NMR) machines are used to...

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Briefs: Manufacturing & Prototyping

Systems such as magnetic data storage devices and MRI body scan machines rely on magnets made from solid materials. Now, using a modified 3D printer, scientists have made magnetic devices from...

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Briefs: Imaging

Magnetic resonance imaging (MRI) uses magnetic fields and radio waves to create images of organs and tissues in the human body, helping doctors diagnose potential problems or diseases. Doctors use MRI to...

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Briefs: Imaging

Medical image registration is a common technique that involves overlaying two images, such as magnetic resonance imaging (MRI) scans, to compare and analyze anatomical differences in great...

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Articles: Photonics/Optics

After earning his doctorate, Debashish Roy set about creating a business from the biological imaging device he'd helped invent as a graduate student. The system held promise...

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Briefs: Data Acquisition

Recent findings indicate that frequent, short-term crew exposure to elevated CO2 levels, combined with other physiological impacts of microgravity, may lead to a...

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Briefs: Materials

Currently, most 3D-printed organ models are made using hard plastics or rubbers. This limits their application for accurate prediction and replication of the organ’s physical...

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Briefs: Medical

Doctors currently rely on external ultrasound probes, combined with pre-operative imaging scans, to visualize soft tissue and organs during minimally invasive procedures, as the miniature surgical...

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Briefs: Medical
Smartphone Camera Measures Heart Health

Currently, a 45-minute ultrasound scan is required to provide detailed information about heart health. Researchers have discovered a method by which a smartphone camera can noninvasively provide the same information.

Briefs: Photonics/Optics
Neuroimaging Technique May Help Predict Autism Among High-Risk Infants

According to a recent study, functional connectivity magnetic resonance imaging (fcMRI) may predict which high-risk, 6-month-old infants will develop autism spectrum disorder by age 2 years.

Briefs: Materials
Microfabricated Particles as MRI Contrast Agents

Magnetic resonance imaging (MRI) has become an invaluable, widely used medical diagnostic and research tool, but despite numerous chemically synthesized image-enhancing agents, MRI still lacks the sensitivity and the multiplexing capabilities of optical imaging that benefit from colored...

Briefs: Electronics & Computers

This superconducting magnet developed at NASA Goddard Space Flight Center comprises a superconducting wire wound in adjacent turns about a mandrel to form the superconducting magnet; a thermally...

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Briefs: Imaging

Scientists at NASA’s Glenn Research Center have successfully developed a novel subcutaneous structure imager for locating...

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Briefs: Medical
Portable Resting State Detection System Using Functional Near-Infrared Spectroscopy

The ability to distinguish between high and low levels of task engagement is important for detecting and preventing performance decrements during safety-critical operational tasks in the real world. Examples of such tasks include commercial aviation, monitoring...

Briefs: Materials

Cryogenic fluid management (CFM) is a critical technical area that is needed for the successful development of future space exploration. A key challenge is the storability of LH2, LCH4, and...

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Briefs: Imaging
Spinal Ultrasound Just-in-Time Training Tool

Back pain and injury are recognized risks that can affect the well-being and performance of crewmembers during missions, as well as their long-term health. Spine elongation is a documented effect of microgravity, back pain is a common occurrence in early flight, and the post-flight incidence of spinal...

INSIDER: Electronics & Computers

Light, sound, and now, heat. Just as optical invisibility cloaks can bend and diffract light to shield an object from sight, and specially fabricated acoustic metamaterials can hide an...

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Briefs: Materials
Enhancing MRI Contrast by Geometrical Confinement of Small Imaging Agents Within Nanoporous Particles

Magnetic resonance imaging (MRI) has evolved into one of the most powerful, non-invasive diagnostic imaging techniques in medicine and biomedical research. The superior resolution and in-depth anatomical details provided by MRI are essential for...

Briefs: Sensors/Data Acquisition
Visualization of fMRI Network Data

Functional connections within the brain can be revealed through functional magnetic resonance imaging (fMRI), which shows simultaneous activations of blood flow in the brain during response tests. However, fMRI specialists currently do not have a tool for visualizing the complex data that comes from fMRI scans....

Application Briefs: Imaging

A new medical imaging method being developed at Rutgers University could help physicians detect cancer and other diseases earlier than before, speeding treatment and reducing the need...

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Briefs: Medical

Moving images could be invaluable when it comes to diagnosing wrist problems say a group of researchers at University of California-Davis. The multi-disciplinary team of radiologists, medical...

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Briefs: Test & Measurement

Testing of victim detection radars has traditionally used human subjects who volunteer to be buried in, or climb into a space within, a rubble pile. This is not only uncomfortable, but can be...

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Briefs: Medical
Functional Near-Infrared Spectroscopy Signals Measure Neuronal Activity in the Cortex

Functional near infrared spectroscopy (fNIRS) is an emerging optical neuroimaging technology that indirectly measures neuronal activity in the cortex via neurovascular coupling. It quantifies hemoglobin concentration ([Hb]) and thus measures the same...

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