Measurements Using Double Resonance TRIZ Cases

See how an airlock chamber and equilibrator pre-cool samples before helium-bath entry, reducing

Using water and a size exclusion filter, this case avoids alkaline pH shifts that disrupt EPA removal and polarization retention.

Digital IF generation in a superheterodyne MRI spectrometer suppresses image sidebands and LO leakage for more precise spin control.

Digital IF processing in an FPGA-controlled superheterodyne spectrometer suppresses sidebands and leakage for cleaner magnetic resonance signals.

Intermolecular NOE transfers spin polarization from a pre-polarized source compound to a target, boosting NMR sensitivity without cryogenics.

FPGA-based digital IF control suppresses local oscillator leakage and image sidebands in magnetic resonance systems for cleaner, phase-coherent signals.

A shielded zero-field NMR setup uses magnetic pulse control and magnetoresistive sensing to boost sensitivity and cut dead time.

Optically polarized source compounds transfer spin polarization to target compounds through NOE, improving NMR/MRI sensitivity.

A shielded chamber, pulsed fields, and ferromagnetic magnetoresistive sensors enable sensitive NMR without external static fields.

This wearable NMR case pairs low-field Halbach magnets with timed RF sensing for continuous, non-invasive blood analyte measurement.

Orthogonal coil orientation minimizes mutual interference while maintaining high sensitivity and magnetic field homogeneity at two distinct frequencies.

Resonant transfer of electron spin polarization to nuclear spins in moving particles enhances hyperpolarization efficiency.

Hyperpolarized 13C-fructose replaces carbonyl agents to extend relaxation time and resolve metabolic information loss.

Reverse micelles encapsulate biomaterials with spin radicals to enhance nuclear magnetic resonance signals via dynamic nuclear polarization.

A toroidal resonator assembly with a stepped through-hole and axial slit enables simultaneous electron and nuclear resonance excitation.

Diamond spin defect centers use optical pumping to induce nuclear spin polarization at room temperature, bypassing bulky magnets.

Integrating the NMR coil around a thin sample cavity reduces dielectric heating and improves measurement reproducibility.

Integrates a radio-frequency coil into a loop-gap resonator via elongated leads, reducing coil diameter and improving detection sensitivity for liquid samples.

Exposing fluid and parahydrogen to a catalyst creates hyperpolarized fluids that resolve low water molecule visibility in MRI by boosting signal intensity.

Flash lamp triplet DNP polarizes benzoic acid derivatives doped with pentacene, eliminating expensive cryogenic equipment and high magnetic fields.

Conically tapered waveguide and dielectric coupler focus microwaves to increase energy density, reducing beam divergence loss in NMR probes.

Dynamic magnetic field cycling tracks inhomogeneously broadened NV center resonance, enabling high bulk 13C polarization in powdered diamond.

A nuclear magnetic resonance method uses a detection spin moment to measure transverse magnetization phase.

A rapid cycle dynamic nuclear polarization apparatus uses a stripline detector to analyze samples in a capillary.

Vacuum-insulated auxiliary coil decouples thermal loads from the main magnet, resolving quenching risks during flexible field strength sweeps.