# 9.4T Small Animal MRI scanner at UNC

> **NIH NIH S10** · UNIV OF NORTH CAROLINA CHAPEL HILL · 2020 · $2,000,000

## Abstract

PROJECT SUMMARY
 Animal magnetic resonance imaging (MRI) research at the University of North Carolina (UNC) at
Chapel Hill has been supported by a single Bruker Biospec 9.4T animal MRI scanner installed in 2006. This
scanner has been widely utilized by 96 investigators in the Research Triangle area of the North Carolina. This
application requests funds to purchase and install the second Bruker Biospec 9.4T small animal MRI. Our
primary Justification of Need is that a single animal MRI scanner can no longer support the growing numbers
of MR-dependent NIH-funded projects. The existing 9.4T system had an averaged annual usage of 1,833
hours during 2009-2013, and this number increased to 3,145 hours annually during 2014-2018. With the major
system maintenance downtime excluded, our averaged accessible user time (AUT, with 100% being
equivalent to 40 hours per week) was 87.8% annually during 2009-2013, and 187.2% annually during 2014-
2018, representing a 213% increase. While it is unrealistic to project another ~200% increase over the next 5
years, the demand of animal MRI scanner time at UNC indeed increases continually, as evidenced by the
number of new NIH awards in 2018. The current proposal has identified 24 Major Users with 26 R01-level
Research Projects that has an animal MRI component, along with other extramural research awards.
Collectively 88% of these awards are granted by NIH. The budgeted MRI studies in these projects, if all are
performed as planned, will generate 254.7% AUT per year – well above our existing 9.4T usage over the past
5 years and we still anticipate additional usage from various minor or new users. Several external users from
prestigious research institutions have chosen to execute their animal MRI projects at UNC due to the unique
expertise in our facility. This indicates that the impact of the proposed new instrumentation is not limited at
UNC, but has extended benefit to researchers outside our geographical location. The proposed new Bruker
9.4T system will be managed by a team of researchers with solid Technical Expertise and several years of
track record on operating the existing Bruker 9.4T system for research service since 2006. The
Administration plan will build on our prior success and governed by UNC Core Facility Advisory Committee
as well as five renowned MRI researchers in the field. UNC and North Carolina Biotechnology Center have
together provided substantial Institutional Commitments, totaling $900,000 matching funds toward this
application as well as facility space in the new Translational Research Building to house the proposed
equipment. Our proposal also includes a 4-channel rat CryoProbe, which can boost MR imaging signal-to-
noise ratio by 2.5x. This gain is equivalent to doubling or tripling the magnetic field strength and will offer a
major leap of our MRI resolution and sensitivity. If this proposal were to be funded, UNC will be the 1st
academic institution in the United States to house the 4-c...

## Key facts

- **NIH application ID:** 9940341
- **Project number:** 1S10OD026796-01A1
- **Recipient organization:** UNIV OF NORTH CAROLINA CHAPEL HILL
- **Principal Investigator:** Yen-Yu Ian Shih
- **Activity code:** S10 (R01, R21, SBIR, etc.)
- **Funding institute:** NIH
- **Fiscal year:** 2020
- **Award amount:** $2,000,000
- **Award type:** 1
- **Project period:** 2020-05-01 → 2024-04-30

## Primary source

NIH RePORTER: https://reporter.nih.gov/project-details/9940341

## Citation

> US National Institutes of Health, RePORTER application 9940341, 9.4T Small Animal MRI scanner at UNC (1S10OD026796-01A1). Retrieved via AI Analytics 2026-05-25 from https://api.ai-analytics.org/grant/nih/9940341. Licensed CC0.

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