Search Results - "Lewis, N. C."

Regional cerebral blood flow in humans at high altitude: gradual ascent and 2 wk at 5,050 m by Willie, C K, Smith, K J, Day, T A, Ray, L A, Lewis, N C S, Bakker, A, Macleod, D B, Ainslie, P N

“…The interindividual variation in ventilatory acclimatization to high altitude is likely reflected in variability in the cerebrovascular responses to high…”
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Role of CO2 in the cerebral hyperemic response to incremental normoxic and hyperoxic exercise by Smith, K J, Wildfong, K W, Hoiland, R L, Harper, M, Lewis, N C, Pool, A, Smith, S L, Kuca, T, Foster, G E, Ainslie, P N

“…Cerebral blood flow (CBF) is temporally related to exercise-induced changes in partial pressure of end-tidal carbon dioxide (PetCO2 ); hyperoxia is known to…”
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Influence of high altitude on cerebral blood flow and fuel utilization during exercise and recovery by Smith, K. J., MacLeod, D., Willie, C. K., Lewis, N. C. S., Hoiland, R. L., Ikeda, K., Tymko, M. M., Donnelly, J., Day, T. A., MacLeod, N., Lucas, S. J. E., Ainslie, P. N.

“…Key points This study assessed the dynamic response of global cerebral blood flow (CBF) and cerebral fuel utilization during and following incremental supine…”
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Acute hypoxaemia and vascular function in healthy humans by Lewis, N. C. S., Bain, A. R., Wildfong, K. W., Green, D. J., Ainslie, P. N.

“…New Findings What is the central question of this study? Endothelium‐dependent flow‐mediated dilatation (FMD) is impaired during acute (60 min) exposure to…”
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Influence of nocturnal and daytime sleep on initial orthostatic hypotension by Lewis, N. C. S., Jones, H., Ainslie, P. N., Thompson, A., Marrin, K., Atkinson, G.

“…Purpose The incidence of vasovagal syncope is more common in the morning. Previous researchers have reported negligible diurnal variation in the physiological…”
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Regional brain blood flow in man during acute changes in arterial blood gases by Willie, C. K., Macleod, D. B., Shaw, A. D., Smith, K. J., Tzeng, Y. C., Eves, N. D., Ikeda, K., Graham, J., Lewis, N. C., Day, T. A., Ainslie, P. N.

“…Key points •  The partial pressures of arterial carbon dioxide () and oxygen () has a marked influence on brain blood flow. •  It is unclear if the larger…”
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Diurnal variation in time to presyncope and associated circulatory changes during a controlled orthostatic challenge by Lewis, N C S, Atkinson, G, Lucas, S J E, Grant, E J M, Jones, H, Tzeng, Y C, Horsman, H, Ainslie, P N

“…Epidemiological data indicate that the risk of neurally mediated syncope is substantially higher in the morning. Syncope is precipitated by cerebral…”
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Residual efficacy of three spinosad formulations against Psorophora columbiae larvae in small rice plots by Allen, R A, Lewis, C N, Meisch, M V

“…Experiments were conducted to determine the residual efficacy of both a briquette and a granular formulation (2 rates) of a numbered spinosad compound against…”
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Braconid wasp (Hymenoptera : Braconidae) diversity in forest plots under different silvicultural methods by LEWIS, C. N, WHITFIELD, J. B

“…The effect of disturbance from various silvicultural treatments on insect abundance and species composition was tested using braconid wasps as indicators…”
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Riceland mosquito management practices for Anopheles quadrimaculatus larvae by Allen, R A, Wilkes, W W, Lewis, C N, Meisch, M V

“…Two separate but related studies were conducted regarding management of Anopheles quadrimaculatus larval populations in commercial rice fields near Cleveland,…”
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Comparison of three residential mosquito traps against riceland mosquitoes in southeast Arkansas by Allen, R A, Lewis, C N, Meisch, M V, Dame, D A

“…Field trials were conducted at 3 locations in Arkansas County, AR, to compare the effectiveness of 3 residential mosquito traps, the Stinger Mosquito Vacuum,…”
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Is there diurnal variation in initial and delayed orthostatic hypotension during standing and head-up tilt? by Lewis, N C S, Atkinson, G, Lucas, S J E, Grant, E J M, Jones, H, Tzeng, Y C, Horsman, H, Ainslie, P N

“…Moving rapidly from a supine to a standing posture is a common daily activity, yet a significant physiological challenge. Syncope can result from the…”
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The synthesis of novel matrix metalloproteinase inhibitors employing the Ireland-Claisen rearrangement by PRATT, L. M, BECKETT, R. P, LEWIS, C. N, MANGAN, M, MARTIN, F. M, MILLER, K, NAYEE, P, RICKETTS, M. L, THOMAS, W, TODD, R. S, WHITTAKER, M, BELLAMY, C. L, CORKILL, D. J, COSSINS, J, COURTNEY, P. F, DAVIES, S. J, DAVIDSON, A. H, DRUMMOND, A. H, HELFRICH, K

“…Matrix metalloproteinase inhibitors of general formula (1) were synthesised by a route involving an Ireland-Claisen rearrangement which enables systematic…”
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Defective function of the cystic fibrosis-causing missense mutation G551D is recovered by genistein by Illek, B, Zhang, L, Lewis, N C, Moss, R B, Dong, J Y, Fischer, H

“…The patch-clamp technique was used to investigate the effects of the isoflavone genistein on disease-causing mutations (G551D and DeltaF508) of the cystic…”
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The synthesis and biological evaluation of dihydroeptastatin, a novel inhibitor of 3-hydroxy-3-methylglutaryl coenzyme A reductase by Bone, Elisabeth A, Davidson, Alan H, Lewis, Christopher N, Todd, Richard S

“…The total synthesis of the novel hydroxylated HMG-CoA reductase inhibitor dihydroeptastatin (7) is described. The key C-3 hydroxyl group is introduced via a…”
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Ventilatory chemosensitivity in parents of infants with sudden infant death syndrome by Lewis, N C, McBride, J T, Brooks, J G

“…We measured ventilatory responses to progressive isocapnic hypoxia and to hyperoxic hypercapnia (CO2) using rebreathing techniques in 16 parents of infants…”
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Role of CO^sub 2^ in the cerebral hyperemic response to incremental normoxic and hyperoxic exercise by Smith, K J, Wildfong, K W, Hoiland, R L, Harper, M, Lewis, N C, Pool, A, Smith, S L, Kuca, T, Foster, G E, Ainslie, P N

“…Cerebral blood flow (CBF) is temporally related to exercise-induced changes in partial pressure of end-tidal carbon dioxide (Pet...); hyperoxia is known to…”
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Role of CO 2 in the cerebral hyperemic response to incremental normoxic and hyperoxic exercise by Smith, K. J., Wildfong, K. W., Hoiland, R. L., Harper, M., Lewis, N. C., Pool, A., Smith, S. L., Kuca, T., Foster, G. E., Ainslie, P. N.

“…Cerebral blood flow (CBF) is temporally related to exercise-induced changes in partial pressure of end-tidal carbon dioxide (Pet CO 2 ); hyperoxia is known to…”
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Role of CO sub(2) in the cerebral hyperemic response to incremental normoxic and hyperoxic exercise by Smith, K J, Wildfong, K W, Hoiland, R L, Harper, M, Lewis, N C, Pool, A, Smith, S L, Kuca, T, Foster, G E, Ainslie, P N

“…Cerebral blood flow (CBF) is temporally related to exercise-induced changes in partial pressure of end-tidal carbon dioxide (P sub(ET)CO sub(2)); hyperoxia is…”
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Effects of melanotropic peptides on fetal adrenal gland by Rudman, D, Hollins, B M, Lewis, N C, Chawla, R K

“…Adrenal glands from early, mid, and late fetuses of rabbit, guinea pig, and rat, and from newborn animals of each species, were incubated for 1-4 h with and…”
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