2025
iNMR: A Portable Low-Field NMR System for Analysis and Imaging of Complex Materials
S. Mandal et al.
Publications / Research behind the technology
The scientific foundation of Resonance Signatures.
These publications trace the NSF-funded research program in portable NMR, NQR, RF instrumentation, and material authentication that led to the University of Florida technology now licensed and commercialized by Resonance Signatures.
NQRDetection, authentication, imaging, and sensitivity
Low-field NMRPortable analysis, spectroscopy, and food applications
InstrumentationRF power, probes, embedded control, and complete systems
2025
Sensors, Circuits, and Systems for Scientific Instruments: Fundamentals and Front-Ends
S. Mandal
2024
Nuclear Quadrupole Resonance for Substance Detection
K. L. Horace-Herron, N. V. R. Masna, S. Bhunia, S. Mandal, and S. Ray
2024
Portable Low-Field MRI Scanners
S. Mandal
2023
A Pulsed Current-Mode Class-D Low-Voltage High-Bandwidth Power Amplifier for Portable NMR Systems
D. Ariando and S. Mandal
2022
A Cryogenically-Cooled High-Sensitivity Nuclear Quadrupole Resonance Spectrometer
J. Glickstein and S. Mandal
2021
NQR Sensitive Embedded Signatures for Authenticating Additively Manufactured Objects
N. V. R. Masna, J. Huan, S. Mandal, and S. Bhunia
2021
Homonuclear J-Coupling Spectroscopy at Low Magnetic Fields
S. J. DeVience, M. Greer, S. Mandal, and M. S. Rosen
2021
Analytical Models of Probe Dynamics Effects on NMR Measurements
D. Ariando, M. Greer, M. Hürlimann, Y.-Q. Song, and S. Mandal
2020
Single-Shot Spatially Localized Nuclear Quadrupole Resonance
C. Chen, X. Tang, N. V. R. Masna, S. Bhunia, and S. Mandal
2019
An Autonomous Portable NMR Spectrometer Based on a Low-Cost System-on-Chip (SoC)
D. Ariando, C. Chen, M. Greer, and S. Mandal
2019
A Hand-Held Single-Sided MRI Sensor
M. Greer, C. Chen, and S. Mandal
2018
An Automated Instrument for Polarization-Enhanced Broadband Nuclear Quadrupole Resonance (PENQR) Spectroscopy
J. Glickstein and S. Mandal
2018
Automated Classification of Food Products Using Two-Dimensional Low-Field NMR
M. Greer, C. Chen, and S. Mandal
2018
Authentication of Dietary Supplements Using Nuclear Quadrupole Resonance Spectroscopy
N. V. R. Masna, F. Zhang, C. Chen, S. Mandal, and S. Bhunia
2017
Broadband Quantitative NQR for Authentication of Vitamins and Dietary Supplements
C. Chen, F. Zhang, S. Bhunia, and S. Mandal
2016
Chemical Analysis Using Low-Field Magnetic Resonance
M. Donaldson, D. Freed, S. Mandal, and Y.-Q. Song
2016
Authentication of Medicines Using Nuclear Quadrupole Resonance Spectroscopy
C. Chen, F. Zhang, J. Barras, K. Althoefer, S. Bhunia, and S. Mandal
2014
Two-Dimensional Nuclear Quadrupole Resonance Using Ultra-Broadband Electronics
S. Mandal and Y.-Q. Song
2014
An Ultra-Broadband Low-Frequency Magnetic Resonance System
S. Mandal, S. Utsuzawa, D. G. Cory, M. Hürlimann, M. Poitzsch, and Y.-Q. Song
2012
A Transformer-Coupled NMR Probe
S. Utsuzawa, S. Mandal, and Y.-Q. Song