Measurements Using NMR Spectroscopy TRIZ Cases
- Outer Volume Suppression for MRI Scan Time Reduction
Outer volume suppression modules reduce magnetic resonance signal leakage in adjacent slices using multiband radio frequency pulses.
- VDMP-CEST MRI Pulse Sequence for Fast Mobile Solute Detection
Variable delay multi-pulse CEST method acquires images with varying waiting periods to detect magnetization changes in mobile solute molecules.
- Magnetic Resonance Spectroscopy pH Measurement Using Interleaved RF Pulses
Interleaved radiofrequency pulse sequences differentiate carbon dioxide signals from bicarbonate saturation, enabling accurate in vivo pH measurement.
- Multinuclear NMR Standard Molecule for Simultaneous Analysis
A multinuclear standard molecule integrates nitrogen, fluorine, and phosphorus atoms into a single structure.
- NMR Relaxation Time Determination via Polarization Transfer
A method exchanges nuclear spin polarization between nuclei with different gyromagnetic ratios to enhance magnetization signal strength.
- NMR Lock Sequencer Modulation for Signal Noise Reduction
A lock transmission sequencer modulates amplitude, frequency, or phase to excite a deuteron nucleus in an NMR probe.
- MRI RF Coil Analog-to-Digital Conversion Circuit
RF coil apparatus modulates magnetic resonance signals to distinct frequencies for analog multiplexing and digital separation.
- Planar Inverse Anapole Microresonator for High-Frequency EPR
A planar inverse anapole microresonator confines microwave magnetic fields to picoliter volumes via a toroidal moment.
- MR Signal Correction via Iterative Phase Amplitude Modulation
Iteratively adjusting phase and amplitude of a correction signal cancels transmitted components, enabling simultaneous transmission and reception.
- Spectral Circle Analysis for MRS Metabolite Separation
A spectral circle method uses linear fractional transformations to compute geometric representations of MRI data.
- Biometric Method for Low-Sensitivity Nuclei Detection
A biometric method hyperpolarizes nuclear spins in target molecules using electron spin resonance to enhance signal intensity.
- SNMR Pulse Sequencing Phase Cycling Signal Isolation
Phase cycling techniques separate desired NMR signals from interference through coherent combination of detected data.
- PANORAMIC Waveform Multinuclear NMR Single Transmitter
A PANORAMIC waveform generates arbitrary phase relationships to transfer magnetization between nuclei using a single transmitter channel.