Search Results - "Dawson, M. Joan"

Intracellular acidification and volume increases explain R2 decreases in exercising muscle by Damon, Bruce M., Gregory, Carl D., Hall, Kristen L., Stark, Heather J., Gulani, Vikas, Dawson, M. Joan

“…Exercise‐induced decreases in the 1H transverse relaxation rate (R2) of muscle have been well documented, but the mechanism remains unclear. In this study, the…”
Get full text

The carnosine C-2 proton's chemical shift reports intracellular pH in oxidative and glycolytic muscle fibers by Damon, Bruce M., Hsu, Alex C., Stark, Heather J., Dawson, M. Joan

“…The appearance of new peaks in the 7.7–8.6 and 6.8–7.4 ppm regions of the postexercise 1H spectrum of frog muscle is reported. These new peaks result from the…”
Get full text

Muscle glycogenolysis is not activated by changes in cytosolic P-metabolites: A 31P and 1H MRS demonstration by Hsu, Alex C., Dawson, M. Joan

“…Skeletal muscle contraction and glycogenolysis are closely coupled. The standard explanation for this coupling, as taught in modern biochemistry textbooks, is…”
Get full text

Muscular fatigue investigated by phosphorus nuclear magnetic resonance by Joan Dawson, M, Gadian, D. G, Wilkie, D. R

“…Muscular fatigue has been studied using 31PNMR to measure the levels and rates of utilisation of several key metabolites and the free-energy change for ATP…”
Get full text

Contraction and recovery of living muscles studied by 31p nuclear magnetic resonance by Gadian, D. G., Dawson, M. Joan, Wilkie, D. R.

“…1. Phosphorus nuclear magnetic resonance ( 31 P NMR) can be used to measure the concentrations of phosphorus-containing metabolites within living tissue. We…”
Get full text

The spontaneous development of biology from chemistry by Lauterbur, Paul C

“…Biology arose as a spontaneous development from the chemistry of the early Earth by Free Energy-driven processes that occurred in common environments involving…”
Get more information

Intracellular acidification and volume increases explain R 2 decreases in exercising muscle by Damon, Bruce M., Gregory, Carl D., Hall, Kristen L., Stark, Heather J., Gulani, Vikas, Dawson, M. Joan

“…Exercise‐induced decreases in the 1 H transverse relaxation rate ( R 2 ) of muscle have been well documented, but the mechanism remains unclear. In this study,…”
Get full text

Muscle glycogenolysis is not activated by changes in cytosolic P‐metabolites: A 31 P and 1 H MRS demonstration by Hsu, Alex C., Dawson, M. Joan

“…Skeletal muscle contraction and glycogenolysis are closely coupled. The standard explanation for this coupling, as taught in modern biochemistry textbooks, is…”
Get full text

A new way of seeing.(importance of magnetic resonance imaging in human medicine) by Dawson, M. Joan

Get full text

Accuracy of1H and31P MRS analyses of lactate in skeletal muscle by Hsu, Alex C., Dawson, M. Joan

Get full text

Intracellular acidification and volume increases explain R(2) decreases in exercising muscle by Damon, Bruce M, Gregory, Carl D, Hall, Kristen L, Stark, Heather J, Gulani, Vikas, Dawson, M Joan

“…Exercise-induced decreases in the (1)H transverse relaxation rate (R(2)) of muscle have been well documented, but the mechanism remains unclear. In this study,…”
Get full text

A New Way of Seeing by Dawson, M Joan

“…Inspiration and controversy attended the birth of magnetic resonance imaging, a diagnostic technology that changed the course of human medicine. MRI would…”
Get full text

Accuracy of 1H and 31P MRS analyses of lactate in skeletal muscle by Hsu, Alex C., Dawson, M. Joan

“…As the end product of anaerobic metabolism and a source of H+, lactic acid is important in metabolism and pH regulation. Several methods have been introduced…”
Get full text

Magnetic resonance microscopy of morphological alterations in mouse trabecular bone structure under conditions of simulated microgravity by Gardner, John R., Hess, Christopher P., Webb, Andrew G., Tsika, Richard W., Dawson, M. Joan, Gulani, Vikas

“…This work describes the use of magnetic resonance (MR) microscopy to examine changes in tibial trabecular bone structure in mice following 28 days of hindlimb…”
Get full text

Observation and quantitation of lactate in oxidative and glycolytic fibers of skeletal muscles by Shen, D, Gregory, C D, Dawson, M J

“…In 1H NMR spectroscopic studies of fatiguing skeletal muscles, two peaks consistently arise near 1.3 ppm, typically 15-20 Hz apart at 300 MHz. From a variety…”
Get more information

Lactate quantitation in a gerbil brain stroke model by GSLIM of multiple-quantum-filtered signals by Kmiecik, Joseph A., Gregory, Carl D., Liang, Zhi-Pei, Lauterbur, Paul C., Dawson, M. Joan

“…Quantitative magnetic resonance imaging of lactate using a zero‐quantum/double‐quantum filter and generalized spectral localization by imaging (GSLIM) was…”
Get full text

Measurement of water diffusion in hormone-treated rat uteri by diffusion-weighted magnetic resonance imaging by Yang, Y, Xu, S, Dawson, M J

“…In this study, apparent water diffusion coefficients in hormone-treated rat uteri were measured by diffusion-weighted NMR imaging. Four groups of…”
Get more information

Diffusion Measurement in Phantoms and Tissues Using SLIM Localization by Yang, Yihong, Xu, Su, Dawson, M.Joan, Lauterbur, Paul C.

“…A new approach to efficient localized diffusion measurements has been developed and evaluated on phantoms and isolated tissues. The combination of a…”
Get full text

Quantitative lactate-specific MR imaging and 1H spectroscopy of skeletal muscle at macroscopic and microscopic resolutions using a zero-quantum/double-quantum coherence filter and SLIM/GSLIM localization by Kmiecik, J A, Gregory, C D, Liang, Z P, Hrad, D E, Lauterbur, P C, Dawson, M J

“…Quantitative lactate imaging and spectroscopy were performed on phantoms and on electrically stimulated, excised frog skeletal muscle at macroscopic and…”
Get more information

Biochemical heterogeneity in hysterectomized uterus measured by 31P NMR using SLIM localization by Xu, S, Yang, Y, Gregory, C D, Vary, J C, Liang, Z P, Dawson, M J

“…Ultrasound and magnetic resonance imaging show contrast between the inner and outer myometrium, which is useful in the diagnosis of gynecological disorders. To…”
Get more information