Kai Ruppert

The use of hyperpolarized carbon-13 magnetic resonance for molecular imaging.

In vivo imaging of the progression of acute lung injury using hyperpolarized [1- C] pyruvate.

Hyperpolarized helium-3 magnetic resonance lung imaging of non-sedated infants and young children: a proof-of-concept study.

Assessing Airflow Sensitivity to Healthy and Diseased Lung Conditions in a Computational Fluid Dynamics Model Validated In Vitro.

Lung Metabolism and Inflammation during Mechanical Ventilation; An Imaging Approach.

Rapid assessment of pulmonary gas transport with hyperpolarized 129Xe MRI using a 3D radial double golden-means acquisition with variable flip angles.

Assessment of Pulmonary Gas Transport in Rabbits Using Hyperpolarized Xenon-129 Magnetic Resonance Imaging.

Probing Changes in Lung Physiology in COPD Using CT, Perfusion MRI, and Hyperpolarized Xenon-129 MRI.

Regional investigation of lung function and microstructure parameters by localized Xe chemical shift saturation recovery and dissolved-phase imaging: A reproducibility study.

Assessment of flip angle-TR equivalence for standardized dissolved-phase imaging of the lung with hyperpolarized 129Xe MRI.

Using Hyperpolarized Xenon-129 MRI to Quantify Early-Stage Lung Disease in Smokers.

Multibreath Hyperpolarized He Imaging Scheme to Measure Alveolar Oxygen Tension and Apparent Diffusion Coefficient.

Measurement of Regional 2D Gas Transport Efficiency in Rabbit Lung Using Hyperpolarized 129Xe MRI.

Quantification of Ventilation and Gas Uptake in Free-Breathing Mice With Hyperpolarized Xe MRI.

Dynamics of the Tracheal Airway and Its Influences on Respiratory Airflows: An Exemplar Study.

Obstructions in the lower airways lead to altered airflow patterns in the central airway.

Investigating biases in the measurement of apparent alveolar septal wall thickness with hyperpolarized 129Xe MRI.

Pulmonary pyruvate metabolism as an index of inflammation and injury in a rat model of acute respiratory distress syndrome.

Measuring pulmonary gas exchange using compartment-selective xenon-polarization transfer contrast (XTC) MRI.

Ventilation heterogeneity imaged by multibreath wash-ins of hyperpolarized He and Xe in healthy rabbits.

Simultaneous Imaging of Ventilation and Gas Exchange with Hyperpolarized Xe MRI for Monitoring Patients with Endobronchial Valve Interventions.

Investigating the impact of RF saturation-pulse parameters on compartment-selective gas-phase depolarization with xenon polarization transfer contrast MRI.

Hyperpolarized Xenon-129: A New Tool to Assess Pulmonary Physiology in Patients with Pulmonary Fibrosis.

Simultaneous quantification of hyperpolarized xenon-129 ventilation and gas exchange with multi-breath xenon-polarization transfer contrast (XTC) MRI.