Search Results - "Olson, R.J."

Assessing the Effectiveness of Pre-School Nutrition Education: A Pilot Program by Gannon, Amy, MS, RD, Olson, R.J., MA, Cottrell, L., PhD

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A novel niche for Prochlorococcus sp. in low-light suboxic environments in the Arabian Sea and the Eastern Tropical North Pacific by Goericke, R, Olson, R.J, Shalapyonok, A

“…Prochlorococcus marinus is present in all tropical and subtropical oceans, where it is often found throughout the euphotic zone, contributing significantly to…”
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Terrestrial net primary productivity — A brief history and a new worldwide database by Scurlock, J MO, Olson, R J

“…Consistent data on terrestrial net primary productivity (NPP) are urgently needed to constrain model estimates of carbon fluxes and hence to refine our…”
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Quantitative microdialysis of dopamine in the striatum: effect of circadian variation by Smith, A D, Olson, R J, Justice, Jr, J B

“…Two quantitative microdialysis methods were used to determine the concentration of extracellular dopamine in the anterior striatum of the rat. In the first…”
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Managing Data from Multiple Disciplines, Scales, and Sites To Support Synthesis and Modeling by Olson, R.J, Briggs, J.M, Porter, J.H, Mah, G.R, Stafford, S.G

“…The synthesis and modeling of ecological processes at multiple spatial and temporal scales involves bringing together and sharing data from numerous sources…”
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Direct evidence for Mendelian inheritance of the variations in the ribosomal protein gene introns in yellowfin tuna (Thunnus albacares) by Chow, S, Scholey, V P, Nakazawa, A, Margulies, D, Wexler, J B, Olson, R J, Hazama, K

“…Restriction fragment length polymorphism found in the S7 ribosomal protein gene introns of yellowfin tuna (Thunnus albacares) was compared between a single…”
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Light and dark control of the cell cycle in two marine phytoplankton species by Vaulot, D, Olson, R J, Chisholm, S W

“…The effect of light and dark on growth, DNA replication and cell division of two marine phytoplankters Thalassiosira weissflogii (a diatom) and Hymenomonas…”
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Reflectance spectroscopy of marine phytoplankton [Thalassiosira pseudonana, Monochrysis lutheri]. 1. Optical properties as related to age and growth rate by Kiefer, D.A, Olson, R.J, Wilson, W.H

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Terrestrial NPP: toward a consistent data set for global model evaluation by Scurlock, J.M.O, Cramer, W, Olson, R.J, Parton, W.J, Prince, S.D

“…Progress in modeling the global carbon cycle is inhibited by the lack of a high-quality data set based upon field observations of net primary productivity…”
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Effects of iron enrichment on phytoplankton in the Southern Ocean during late summer: active fluorescence and flow cytometric analyses by Olson, R.J, Sosik, H.M, Chekalyuk, A.M, Shalapyonok, A

“…Eight shipboard iron-enrichment experiments were carried out during the late summers of 1997 and 1998 in the Ross Sea and the Polar Front, respectively, as…”
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Cohort study of 27 cases of endophthalmitis at a single institution by Wallin, T., Parker, J., Jin, Y., Kefalopoulos, G., Olson, R.J.

“…In a multivariate regression analysis, the factors found to be statistically associated with endophthalmitis, in decreasing order of significance, were (1)…”
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novel free-living prochlorophyte abundant in the oceanic euphotic zone by Chisholm, S.W, Olson, R.J, Zettler, E.R, Goericke, R, Waterbury, J.B, Welschmeyer, N.A

“…A study which has identified a new group of picoplankters which are extremely abundant, and barely visible using traditional microscopic techniques is…”
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The “demise” of diagnostic and research ocular pathology: temporary or forever? by Apple, D.J., Werner, L., Mamalis, N., Olson, R.J.

“…Other factors that have contributed to ophthalmic pathology's current situation include loss of the fellowship training grant at the Armed Forces Institute of…”
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Effects of Pb-ion irradiation on the vortex pinning in melt-textured YBa 2Cu 3O x by Goeckner, H.P., Olson, R.J., Kwok, W.K., Claus, H., Kouvel, J.S.

“…Melt-textured YBa 2Cu 3O x quasicrystalline samples were studied for the effects of Pb-ion irradiation on the vortex pinning. The strength of the pinning was…”
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Phytoplankton Photosynthetic Characteristics from Fluorescence Induction Assays of Individual Cells by Olson, Robert J., Chekalyuk, Alexander M., Sosik, Heidi M.

“…Saturating-flash fluorescence techniques, which can provide information about the physiological state of phytoplankton, at present measure bulk water samples…”
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Ultrasound-assisted phaco aspiration by Olson, Randall J

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Effects of Pb-ion irradiation on the vortex pinning in melt-textured YBa2Cu3Ox by Goeckner, H P, Olson, R J, Kwok, W K, Claus, H, Kouvel, J S

“…Melt-textured YBa2Cu3Ox quasicrystalline samples were studied for the effects of Pb-ion irradiation on the vortex pinning. The strength of the pinning was…”
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Photoacclimation kinetics of single-cell fluorescence in laboratory and field populations of Prochlorococcus by Dusenberry, J.A, Olson, R.J, Chisholm, S.W

“…Picophytoplankton show promise as dynamic tracers for vertical mixing if an appropriate index of photoacclimative state and the kinetics of change in that…”
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Field observations of oceanic mixed layer dynamics and picophytoplankton photoacclimation by Dusenberry, J.A., Olson, R.J., Chisholm, S.W.

“…To explore the relationship between mixing dynamics in the surface ocean and picophytoplankton optical properties, we measured the distributions of single cell…”
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Nitrate and Ammonium Uptake in Antarctic Waters by Olson, Robert J.

“…Nitrate and ammonium uptake rates were measured by the15Ntracer technique in Antarctic waters. The ratio$\frac f= {NO_3^- uptake}{NO_3^- uptake + NH_4^+…”
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