Wisconsin Alumni Research Foundation

Technology

Improved Phantom for Quantitative Diffusion MRI

Among numerous magnetic resonance imaging contrast mechanisms, the insights that diffusion-weighted MRI provides into microstructural tissue changes make it an excellent biomarker for detection and ev...
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Scott Reeder, Diego Hernando Arribas, Xiaoke Wang | P150322US01

Technology

Magnetic Resonance Imaging of Metabolites

In magnetic resonance imaging (MRI), tissue is scanned using magnetic fields that excite atoms and cause them to emit signals. These nuclear magnetic resonance (NMR) signals can be processed into an i...
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Scott Reeder | P06190US

Technology

Improved Phantom for Iron and Fat Quantification MRI

The ability to quantify fat concentration in the body has become increasingly important given the rise in obesity and related comorbidities. Likewise, the ability to quantify iron concentration is imp...
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Scott Reeder, Diego Hernando Arribas, Samir Sharma | P150328US01

Technology

Controlling Motion Effects in MRI

Magnetic resonance imaging (MRI) is sensitive to patient movements due to the long scan times sometimes required. A major source of motion is breathing, which causes artifacts to appear in MR images. ...
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Kevin Johnson | P150149US01

Technology

Faster, Higher Quality Medical Imaging

Magnetic resonance imaging (MRI) and computed tomography (CT) have become invaluable tools for learning about a patient’s health. However, systems are limited by acquisition speed, which often leads...
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Alexey Samsonov, Julia Velikina | P150024US01

Technology

Faster, Distortion-Free MRI Near Metallic Implants

Surgical replacement of joints with mechanical prostheses is on the rise. Unfortunately, complications such as infection and loosening are common and often diagnosed in the late stages, compelling rep...
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Nathan Artz, Curtis Wiens | P150006US01

Technology

Semi-Automated Segmentation Improves Knee MRI

Magnetic resonance imaging (MRI) provides high-resolution visualization of soft tissues, allowing diseases to be diagnosed and tracked. In particular, MR images can be used to assess joint degeneratio...
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Kwang Won Choi, Chihwa Song, Richard Kijowski, Darryl Thelen | P140270US01

Technology

Clearer MRI Near Metallic Implants

More than a million joint replacements were performed in the Unites States in 2012 and more than four million implant surgeries are expected in 2030. Such implants pose a challenge to magnetic resonan...
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Scott Reeder, Nathan Artz, Matthew Smith | P140004US01

Technology

Point Sets for Higher-Quality MRI

The problem of constructing a set of points uniformly distributed across the surface of a sphere dates to the early 20th century. The problem is of great importance to modern biomedical imaging and ma...
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Cheng Koay | P120355US01

WARF