Search Results - "Shannon, J. R."

Anharmonic Molecular Mechanics: Ab Initio Based Morse Parametrizations for the Popular MM3 Force Field by Shannon, R. J, Hornung, B, Tew, D. P, Glowacki, D. R

“…Methodologies for creating reactive potential energy surfaces from molecular mechanics force-fields are becoming increasingly popular. To date, molecular…”
Get full text

Analysis of the Kinetics and Yields of OH Radical Production from the CH3OCH2 + O2 Reaction in the Temperature Range 195–650 K: An Experimental and Computational study by Eskola, A. J, Carr, S. A, Shannon, R. J, Wang, B, Blitz, M. A, Pilling, M. J, Seakins, P. W, Robertson, S. H

“…The methoxymethyl radical, CH3OCH2, is an important intermediate in the low temperature combustion of dimethyl ether. The kinetics and yields of OH from the…”
Get full text

Global Uncertainty Propagation and Sensitivity Analysis in the CH3OCH2 + O2 System: Combining Experiment and Theory To Constrain Key Rate Coefficients in DME Combustion by Shannon, R. J, Tomlin, A. S, Robertson, S. H, Blitz, M. A, Pilling, M. J, Seakins, P. W

“…Statistical rate theory calculations, in particular formulations of the chemical master equation, are widely used to calculate rate coefficients of interest in…”
Get full text

Experimental and Theoretical Study of the Kinetics and Mechanism of the Reaction of OH Radicals with Dimethyl Ether by Carr, S. A, Still, T. J, Blitz, M. A, Eskola, A. J, Pilling, M. J, Seakins, P. W, Shannon, R. J, Wang, B, Robertson, S. H

“…The reaction of OH with dimethyl ether (CH3OCH3) has been studied from 195 to 850 K using laser flash photolysis coupled to laser induced fluorescence…”
Get full text

Reanalysis of Rate Data for the Reaction CH3 + CH3 → C2H6 Using Revised Cross Sections and a Linearized Second-Order Master Equation by Blitz, M. A, Green, N. J. B, Shannon, R. J, Pilling, M. J, Seakins, P. W, Western, C. M, Robertson, S. H

“…Rate coefficients for the CH3 + CH3 reaction, over the temperature range 300–900 K, have been corrected for errors in the absorption coefficients used in the…”
Get full text

Orthostatic Intolerance and Tachycardia Associated with Norepinephrine-Transporter Deficiency by Shannon, John R, Flattem, Nancy L, Jordan, Jens, Jacob, Giris, Black, Bonnie K, Biaggioni, Italo, Blakely, Randy D, Robertson, David

“…Orthostatic intolerance is a syndrome characterized by adrenergic symptoms that occur when an upright posture is assumed: the heart rate increases by at least…”
Get full text

The pressor response to water drinking in humans : a sympathetic reflex? by Jordan, J., Shannon, J. R., Black, B. K., Ali, Y., Farley, M., Costa, F., Diedrich, A., Robertson, R. M., Biaggioni, I., Robertson, D.

“…BACKGROUND: Water drinking increases blood pressure profoundly in patients with autonomic failure and substantially in older control subjects. The mechanism…”
Get full text

Sympathetically mediated hypertension in autonomic failure by Shannon, J. R., Jordan, J., Diedrich, A., Pohar, B., Black, B. K., Robertson, D., Biaggioni, I., Roberton, D.

“…BACKGROUND: Approximately 50% of patients with primary autonomic failure have supine hypertension. We investigated whether this supine hypertension could be…”
Get full text

Contrasting actions of pressor agents in severe autonomic failure by Jordan, J, Shannon, J R, Biaggioni, I, Norman, R, Black, B K, Robertson, D

“…Orthostatic hypotension is the most disabling symptom of autonomic failure. The choice of a pressor agent is largely empiric, and it would be of great value to…”
Get more information

Effects of volume loading and pressor agents in idiopathic orthostatic tachycardia by Jacob, G., Shannon, J. R., Black, B., Biaggioni, I., Mosqueda-Garcia, R., Robertson, R. M., Robertson, D.

“…BACKGROUND: Idiopathic orthostatic tachycardia (IOT) is characterized by an increase in heart rate (HR) with standing of > or = 30 bpm that is associated with…”
Get full text

Hyalinizing spindle cell tumor with giant rosettes : A distinctive tumor closely resembling low-grade fibromyxoid sarcoma by LANE, K. L, SHANNON, R. J, WEISS, S. W

“…We report the findings of 19 cases of a previously undescribed spindle cell tumor of soft tissues that resembles a low-grade fibromyxoid sarcoma but contains…”
Get full text

Abnormal norepinephrine clearance and adrenergic receptor sensitivity in idiopathic orthostatic intolerance by Jacob, G., Shannon, J. R., Costa, F., Furlan, R., Biaggioni, I., Mosqueda-Garcia, R., Robertson, R. M., Robertson, D.

“…BACKGROUND: Chronic orthostatic intolerance (OI) is characterized by symptoms of inadequate cerebral perfusion with standing, in the absence of significant…”
Get full text

Effect of standing on neurohumoral responses and plasma volume in healthy subjects by Jacob, Giris, Ertl, Andrew C, Shannon, John R, Furlan, Raffaello, Robertson, Rose Marie, Robertson, David

“…Departments of Medicine, Pharmacology, and Neurology, Vanderbilt University, Nashville, Tennessee 37232-2915; and Rambam Medical Center, Recanati Autonomic…”
Get full text

Contrasting effects of vasodilators on blood pressure and sodium balance in the hypertension of autonomic failure by Jordan, J., Shannon, J. R., Pohar, B., Paranjape, S. Y., Robertson, D., Robertson, R. M., Biaggioni, I.

“…Supine hypertension, which is very common in patients with autonomic failure, limits the use of pressor agents and induces nighttime natriuresis. In 13…”
Get full text

The importance of OH radical-neutral low temperature tunnelling reactions in interstellar clouds using a new model by Acharyya, K., Herbst, E., Caravan, R.L., Shannon, R.J., Blitz, M.A., Heard, D.E.

“…Recent laboratory experiments using a pulsed Laval nozzle apparatus have shown that reactions between a neutral molecule and the radical OH can occur…”
Get full text

Effects of standing on cerebrovascular resistance in patients with idiopathic orthostatic intolerance by Jacob, G, Atkinson, D, Jordan, J, Shannon, J R, Furlan, R, Black, B K, Robertson, D

“…Patients with idiopathic orthostatic intolerance often have debilitating symptoms on standing that are suggestive of cerebral hypoperfusion despite the absence…”
Get more information

Telemedicine in Wound Healing by Shannon, RJ

Get full text

Raised cerebrovascular resistance in idiopathic orthostatic intolerance: evidence for sympathetic vasoconstriction by Jordan, J., Shannon, J. R., Black, B. K., Paranjape, S. Y., Barwise, J., Robertson, D.

“…Patients with idiopathic orthostatic intolerance (IOI) exhibit symptoms suggestive of cerebral hypoperfusion and an excessive decrease in cerebral blood flow…”
Get full text

Malignant vagotonia due to selective baroreflex failure by Jordan, J., Shannon, J. R., Black, B. K., Costa, F., Ertl, A. C., Furlan, R., Biaggioni, I., Robertson, D.

“…Baroreflex failure is characterized by dramatic fluctuations of sympathetic activity and paroxysms of hypertension and tachycardia. In contrast, unopposed…”
Get full text

The Neuropathic Postural Tachycardia Syndrome by Jacob, Giris, Costa, Fernando, Shannon, John R, Robertson, Rose Marie, Robertson, David, Wathen, Mark, Stein, Michael, Biaggioni, Italo, Ertl, Andy, Black, Bonnie

“…The postural tachycardia syndrome is a chronic form of orthostatic intolerance that primarily affects young women. This disorder is characterized by symptoms…”
Get full text