Premium System Phantom T₁, T₂, PD Values

≤130-0041 T₁, T₂ Data

Measured officially at NIST Boulder at 1.5 T and 3.0 T.

Data is relevant to Premium System Phantom serial numbers ≤130-0041.

Data measured and published by NIST Boulder, the Magnetic Imaging Group (Keenan, Kathryn E., et al. “Comparison of T1 measurement using ISMRM/NIST system phantom.” (2016).)

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This data is also published in the NIST Imaging Group’s newest research paper: Stupic, Karl F., et al. “A standard system phantom for magnetic resonance imaging.” Magnetic resonance in medicine (2021).

This paper also discusses the “phantom design, construction, imaging protocols, and measurement of geometric distortion, resolution, slice profile, signal-to-noise ratio (SNR), proton-spin relaxation times, image uniformity and proton density.”

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Last updated August 1, 2021, 5:25 PM MST

≥130-0042 T₁ Data

Measured officially at NIST Boulder at 3.0 T between 16°C and 26°C, and at 1.5 T at CMRI Headquarters at approximately 20°C.

Data is relevant to Premium System Phantom serial numbers ≥130-0042.

NIST Traceable

Data measured and published by NIST Boulder, the Magnetic Imaging Group (Report of Measurement: Magnetic Resonance Measurements for MRI Biomarkers: Proton Spin Relaxation Times, NIST Boulder, Certificate Number 80100S-20200610-C1).

Calibrations were for solutions and phantoms provided to the NIST/NIBIB lending library.

Click here to access this report of measurement.

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≥130-0042-0132 T₂ Data

Measured officially at NIST Boulder at 3.0 T between 16°C and 26°C. 1.5 T measurements are in review.

Data is relevant to Premium System Phantom serial numbers ≥130-0042-0132.

Data measured and published by NIST Boulder, the Magnetic Imaging Group (UNOFFICIAL REPORT of Measurement: Magnetic Resonance Measurements for MRI Biomarkers: Proton Spin Relaxation Times, NIST Boulder, Certificate Number 80100S-20200610-C1)

This report is marked unofficial because the T2-1 and T2-5 had to be remeasured because of supplier manufacture error. All data points besides the ones mentioned above are accurate and correct.

Click here to access this unofficial report of measurement.

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≥130-0133 T₂ Data

Measured officially at NIST Boulder at 3.0 T between 16°C and 26°C, and at 1.5 T at CMRI Headquarters at approximately 20°C.

Data is relevant to Premium System Phantom serial numbers ≥130-0133.