Search Results - "Lewis, M R"

Non-invasive metabolomics biomarkers of production efficiency and beef carcass quality traits by Artegoitia, Virginia M., Newman, J. W., Foote, A. P., Shackelford, S. D., King, D. A., Wheeler, T. L., Lewis, R. M., Freetly, H. C.

“…The inter-cattle growth variations stem from the interaction of many metabolic processes making animal selection difficult. We hypothesized that growth could…”
Get full text

How islands cause phytoplankton to bloom in their wakes by Hasegawa, D., Lewis, M. R., Gangopadhyay, A.

“…The development of phytoplankton blooms in Von Kàrmàn vortex streets in island wakes has been investigated using a coupled bio‐physical model which evolves a…”
Get full text

A massively multi-scale approach to characterizing tissue architecture by synchrotron micro-CT applied to the human placenta by Tun, W M, Poologasundarampillai, G, Bischof, H, Nye, G, King, O N F, Basham, M, Tokudome, Y, Lewis, R M, Johnstone, E D, Brownbill, P, Darrow, M, Chernyavsky, I L

“…Multi-scale structural assessment of biological soft tissue is challenging but essential to gain insight into structure-function relationships of tissue/organ…”
Get full text

Evidence of altered fatty acid metabolism in dogs with naturally occurring valvular heart disease and congestive heart failure by Wilshaw, Jenny, Boswood, A., Chang, Y. M., Sands, C. J., Camuzeaux, S., Lewis, M. R., Xia, D., Connolly, D. J.

“…Introduction Myxomatous mitral valve disease (MMVD) is the most common cardiac condition in adult dogs. The disease progresses over several years and affected…”
Get full text

The Mechanisms and Regulation of Placental Amino Acid Transport to the Human Foetus by Cleal, J. K., Lewis, R. M.

“…The mechanisms by which amino acids are transferred across the human placenta are fundamental to our understanding of foetal nutrition. Amino acid transfer…”
Get full text

Relationships between the surface concentration of particulate organic carbon and optical properties in the eastern South Pacific and eastern Atlantic Oceans by Stramski, D., Reynolds, R. A., Babin, M., Kaczmarek, S., Lewis, M. R., Röttgers, R., Sciandra, A., Stramska, M., Twardowski, M. S., Franz, B. A., Claustre, H.

“…We have examined several approaches for estimating the surface concentration of particulate organic carbon, POC, from optical measurements of spectral…”
Get full text

Implications of changing El Niño patterns for biological dynamics in the equatorial Pacific Ocean by Turk, D., Meinen, C. S., Antoine, D., McPhaden, M. J., Lewis, M. R.

“…El Niño events are known to strongly affect biological production and ecosystem structure in the tropical Pacific. Understanding and predicting biological…”
Get full text

Electronic Transport and Possible Superconductivity at Van Hove Singularities in Carbon Nanotubes by Yang, Y, Fedorov, G, Shafranjuk, S. E, Klapwijk, T. M, Cooper, B. K, Lewis, R. M, Lobb, C. J, Barbara, P

“…Van Hove singularities (VHSs) are a hallmark of reduced dimensionality, leading to a divergent density of states in one and two dimensions and predictions of…”
Get full text

What factors determine placental glucose transfer kinetics? by Day, P.E, Cleal, J.K, Lofthouse, E.M, Hanson, M.A, Lewis, R.M

“…Abstract Introduction Transfer of glucose across the human placenta is directly proportional to maternal glucose concentrations even when these are well above…”
Get full text

Disparities in Access to Kidney Transplantation Between Donor Service Areas in Texas by Lewis, R. M., Sankar, A., Pittman, J.

“…We examined the current status of pronounced disparities in waiting times to kidney transplantation (KTx) within the state of Texas first documented more than…”
Get full text

Facilitated transporters mediate net efflux of amino acids to the fetus across the basal membrane of the placental syncytiotrophoblast by Cleal, J. K., Glazier, J. D., Ntani, G., Crozier, S. R., Day, P. E., Harvey, N. C., Robinson, S. M., Cooper, C., Godfrey, K. M., Hanson, M. A., Lewis, R. M.

“…Non‐technical summary Fetal growth depends on transfer of amino acids from the mother to the fetus via the placenta: the interface between the maternal and…”
Get full text

Melting of a 2D quantum electron solid in high magnetic field by Chen, Yong P, Lewis, R. M, Ye, P. D, Sambandamurthy, G, Wang, Z. H, Engel, L. W, Tsui, D. C, Pfeiffer, L. N, West, K. W

“…The melting temperature Tm of a solid is generally determined by its solid-liquid transition on being heated at a fixed pressure, usually ambient pressure. It…”
Get full text

DNA methylation of amino acid transporter genes in the human placenta by Simner, C., Novakovic, B., Lillycrop, K.A., Bell, C.G., Harvey, N.C., Cooper, C., Saffery, R., Lewis, R.M., Cleal, J.K.

“…Placental transfer of amino acids via amino acid transporters is essential for fetal growth. Little is known about the epigenetic regulation of amino acid…”
Get full text

A single electron transistor charge sensor in strong rf fields by Lewis, R. M., Harris, C. T., Shaner, E. A.

“…We measure the charge sensitivity, Se, of a single electron transistor (SET) in the presence of strong (Vrf ∼ e/Cg) spurious radio frequency (rf) signals at…”
Get full text

Review: Modelling placental amino acid transfer − From transporters to placental function by Lewis, R.M, Brooks, S, Crocker, I.P, Glazier, J, Hanson, M.A, Johnstone, E.D, Panitchob, N, Please, C.P, Sibley, C.P, Widdows, K.L, Sengers, B.G

“…Abstract Amino acid transfer to the fetus is dependent on several different factors. While these factors can be understood in isolation, it is still not…”
Get full text

Partitioning of glutamine synthesised by the isolated perfused human placenta between the maternal and fetal circulations by Day, P.E.L, Cleal, J.K, Lofthouse, E.M, Goss, V, Koster, G, Postle, A, Jackson, J.M, Hanson, M.A, Jackson, A.A, Lewis, R.M

“…Abstract Introduction Placental glutamine synthesis has been demonstrated in animals and is thought to increase the availability of this metabolically…”
Get full text

Ethical Considerations for Participation of Nondirected Living Donors in Kidney Exchange Programs by Woodle, E. S., Daller, J. A., Aeder, M., Shapiro, R., Sandholm, T., Casingal, V., Goldfarb, D., Lewis, R. M., Goebel, J., Siegler, M.

“…Kidneys from nondirected donors (NDDs) have historically been allocated directly to the deceased donor wait list (DDWL). Recently, however, NDDs have…”
Get full text

Optical tools for ocean monitoring and research by Moore, C., Barnard, A., Fietzek, P., Lewis, M. R., Sosik, H. M., White, S., Zielinski, O.

“…Requirements for understanding the relationships between ocean color and suspended and dissolved materials within the water column, and a rapidly emerging…”
Get full text

Feed intake of sheep as affected by body weight, breed, sex, and feed composition by Lewis, R.M, Emmans, G.C

“…The hypotheses tested were that genetic size-scaling for mature BW (A, kg) would reduce variation in intake between kinds of sheep and that quadratic…”
Get full text

A trust-region framework for managing the use of approximation models in optimization by Alexandrov, N. M., Dennis, J. E., Lewis, R. M., Torczon, V.

“…This paper presents an analytically robust, globally convergent approach to managing the use of approximation models of varying fidelity in optimization. By…”
Get full text