Magnetic Imaging Group

Quantitative MRI

SMART Contrast Agents

Advanced Magnetic Imaging

News and Updates

New NIST Measurements Aim to Advance and Validate Portable MRI Technology

July 17, 2023

A new wave of smaller, less expensive MRI systems promises to expand the delivery of health care and the capabilities of medicine.

white matter mimic in the bottom half of the artificial cranium

Lessons from an Experimental Brain Phantom

July 12, 2023

Researchers at the National Institute of Standards and Technology (NIST) and colleagues have developed a novel, anatomically accurate reference model of the

Sam Oberdick and Gary Zabow pose for a picture, standing together with lab equipment in the background.

Spotlight: The Creative Minds Working Behind the Scenes on Agents of MRI Contrast

July 7, 2023

You might not recognize these two faces from such NIST social media hits as “microprinting with candy” and “molds for microparticles,” but they were behind that

A grayscale scanning electron microscope image of a human hair with the letters N-I-S-T across it.

NIST Finds a Sweet New Way to Print Microchip Patterns on Curvy Surfaces

November 25, 2022

An accidental discovery at NIST could improve the reach of microprinting using candy. Pretty sweet!

Projects and Programs

Quantitative MRI

Ongoing

The Quantitative MRI project develops calibration structures (phantoms) and validates quantitative imaging protocols for magnetic resonance imaging (MRI)

Magnetic Resonance Imaging (MRI) Biomarker Measurement Service

Ongoing

Provides services for SI-traceable calibrations of MRI-based biomarkers (such as proton relaxation times, water diffusion and tumor volume), in imaging

NIST/NIBIB Medical Imaging Phantom Lending Library

Ongoing

As part of the MRI Biomarker Measurement Service, traceable magnetic resonance imaging (MRI) phantoms are available for loan at a minimal cost, plus shipping

SMART Contrast Agents

Ongoing

SMART contrast agent project develops multifunctional imaging contrast agents including nano-fabricated agents that can sense and report local properties.

Advanced Magnetic Imaging

Ongoing

The scope of MRI is expanding with the development of both ultra-high field (14 T) and ultra-low field (0.1 mT) scanners not only for biomedical applications

View All Projects/Programs

Publications

Towards a barrier-free anthropomorphic brain phantom for quantitative magnetic resonance imaging: Design, first construction attempt, and challenges

July 12, 2023

Author(s)

Mikail Kraft, Slavka Ryger, Ben Berman, Matthew Downs, Kalina Jordanova, Megan Poorman, Samuel Oberdick, Stephen Ogier, Stephen E. Russek, Katy Keenan

Low-field MRI: A report on the 2022 ISMRM workshop

June 22, 2023

Author(s)

Adrienne Campbell-Washburn, Katy Keenan, Peng Hu, John Mugler, Krishna Nayak, Andrew Webb, Johnes Obungoloch, Kevin Sheth, Jürgen Hennig, Matthew Rosen, Najat Salameh, Daniel Sodickson, Joel Stein, José Marques, Orlando Simonetti

Magnetic Resonance Imaging Biomarker Calibration Service: NMR Measurement of Isotropic Water Diffusion Coefficient

March 30, 2023

Author(s)

Stephen E. Russek, Katy Keenan, Karl Stupic, Nikki Rentz, Michael Boss, Kevin J. Coakley, Amanda Koepke, Cassandra Stoffer

This document describes a calibration service to measure the water diffusion coefficient, or diffusivity, in reference materials and tissue mimics using nuclear

A medical device-grade T2 phantom for quality assurance of T2 mapping in cardiovascular magnetic resonance

March 20, 2023

Author(s)

Constantin-Cristian Topriceanu, Massimiliano Fornasiero, Han Seo, Matthew Webber, Katy Keenan, Karl Stupic, Rudiger Bruehl, Bernd Ittermann, Wenjie Pang, Alun Hughes, Reza Nezafat, Peter Kellman, Peter Gatehouse, Iain Pierce, James Moon, Gabriella Captur

Awards

Kathryn Keenan Named 2021 Scialog Advanced Bioimaging Fellow

Kathryn Keenan has been named a 2021 Scialog Advanced Bioimaging Fellow. Scialog Fellows collaborate in high-risk discovery research and

2019 - Bronze Medal Award---Matthew Pufall, William Rippard, Stephen Russek, Michael Schneider

For demonstrating novel magnetic-superconducting devices that enable dramatic power and speed improvements in neuromorphic computing

2019 - Presidential Early Career Award for Scientists and Engineers---Kathryn Keenan

For development of a world-first suite of standards for magnetic resonance imaging and providing leadership in the medical and scientific community through technology transfer and mentoring.

2019 PECASE - Kathryn Keenan

For transforming magnetic resonance imaging into a quantitative tool to diagnose and treat cancer and neurodegenerative diseases through the

2016 - Gold Medal Award---Michael A. Boss, Kathryn E. Keenan, Stephen E. Russek, Karl F. Stupic

For creating standards that transformed magnetic resonance imaging into a quantitative tool to diagnose and treat traumatic brain injury and cancer.

Press Coverage

Iron oxide nanoparticles boost the contrast in low-field MRI scanners

Physics World

September 7, 2023

Portable, low-field (1–100 mT) MRI systems that can safely perform scans outside a dedicated MRI suite could revolutionize the use of this diagnostic imaging

How sweet it is: Accidental discovery leads to microprinting method for highly curved, complex surfaces

The American Ceramic Society

January 13, 2023

Accidents happen, and though scientists usually try to avoid them, sometimes they result in breakthroughs. The likes of penicillin, plastic, gunpowder

'Sweet' New Technique to Print Microchips on Unconventional Surfaces

DesignNews

December 12, 2022

A researcher has found a rather sweet and unexpected way to print microcircuits on unconventional surfaces by using common food additives, a technique that has

A sweet new microprinting technique

Bits and Chips

November 30, 2022

A new technique leverages the properties of common table sugar to transfer lithographic patterns onto the most complex of surfaces.

TAKING MEASURE BLOG

Working to Improve Small-Scale MRIs: My Summer as a SURF Student at NIST

September 29, 2021

I didn’t really know what to expect on the first day of my virtual Summer Undergraduate Research Fellowship (SURF) program at the National Institute of

Developing an Exposure Notification System to Blunt the Spread of COVID-19 and Future Pandemics

November 10, 2020

I am part of a grassroots effort at the National Institute of Standards and Technology (NIST) that is developing an exposure notification system for pandemics

Magnetic Imaging Group

News and Updates

New NIST Measurements Aim to Advance and Validate Portable MRI Technology

Lessons from an Experimental Brain Phantom

Spotlight: The Creative Minds Working Behind the Scenes on Agents of MRI Contrast

NIST Finds a Sweet New Way to Print Microchip Patterns on Curvy Surfaces

Projects and Programs

Quantitative MRI

Magnetic Resonance Imaging (MRI) Biomarker Measurement Service

NIST/NIBIB Medical Imaging Phantom Lending Library

SMART Contrast Agents

Advanced Magnetic Imaging

Publications

Towards a barrier-free anthropomorphic brain phantom for quantitative magnetic resonance imaging: Design, first construction attempt, and challenges

Low-field MRI: A report on the 2022 ISMRM workshop

Magnetic Resonance Imaging Biomarker Calibration Service: NMR Measurement of Isotropic Water Diffusion Coefficient

A medical device-grade T2 phantom for quality assurance of T2 mapping in cardiovascular magnetic resonance

Awards

Kathryn Keenan Named 2021 Scialog Advanced Bioimaging Fellow

2019 - Bronze Medal Award---Matthew Pufall, William Rippard, Stephen Russek, Michael Schneider

2019 - Presidential Early Career Award for Scientists and Engineers---Kathryn Keenan

2019 PECASE - Kathryn Keenan

2016 - Gold Medal Award---Michael A. Boss, Kathryn E. Keenan, Stephen E. Russek, Karl F. Stupic

Press Coverage

Iron oxide nanoparticles boost the contrast in low-field MRI scanners

How sweet it is: Accidental discovery leads to microprinting method for highly curved, complex surfaces

'Sweet' New Technique to Print Microchips on Unconventional Surfaces

A sweet new microprinting technique

TAKING MEASURE BLOG

Working to Improve Small-Scale MRIs: My Summer as a SURF Student at NIST

Developing an Exposure Notification System to Blunt the Spread of COVID-19 and Future Pandemics

Research Opportunities / Staff Directory

Links of Interest

Contacts

Group Leader (Acting)