Search Results - "Dumais, J."
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The Fern Sporangium: A Unique Catapult
Published in Science (American Association for the Advancement of Science) (16-03-2012)“…Various plants and fungi have evolved ingenious devices to disperse their spores. One such mechanism is the cavitation-triggered catapult of fern sporangia…”
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2
On the modification of tides in a seasonally ice-covered sea
Published in Journal of Geophysical Research - Oceans (01-11-2008)“…New observations from eight moorings located in Foxe Basin, Hudson Strait, and Hudson Bay are used to study the seasonal variability of the M2 tide…”
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Perspectives on biological growth and remodeling
Published in Journal of the mechanics and physics of solids (01-04-2011)“…The continuum mechanical treatment of biological growth and remodeling has attracted considerable attention over the past fifteen years. Many aspects of these…”
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What is the fate of the river waters of Hudson Bay?
Published in Journal of marine systems (01-12-2011)“…We examine the freshwater balance of Hudson and James bays, two shallow and fresh seas that annually receive 12% of the pan-Arctic river runoff. The analyses…”
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The fern cavitation catapult: mechanism and design principles
Published in Journal of the Royal Society interface (01-01-2016)“…Leptosporangiate ferns have evolved an ingenious cavitation catapult to disperse their spores. The mechanism relies almost entirely on the annulus, a row of…”
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Results of the Ontario survey on the prevalence and control of hypertension
Published in Canadian Medical Association journal (CMAJ) (20-05-2008)“…Available information on the prevalence and management of hypertension in the Canadian population dates back to 1986-1992 and probably does not reflect the…”
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2018 EGPS Training Program in Group Psychotherapy Graduation Address: Learning How to Make Mistakes
Published in Group (New York. 1977) (01-10-2018)Get full text
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Comparing Winter and Summer Simulated Estuarine Circulations in Foxe Basin, Canada
Published in Atmosphere-ocean (01-09-2012)“…Foxe Basin is an Arctic inland sea located at the north of the Hudson Bay system (Canada). The characteristics of its estuarine circulation in winter differ…”
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Analysis of a dense water pulse following mid-winter opening of polynyas in western Foxe Basin, Canada
Published in Dynamics of atmospheres and oceans (2010)“…A recent study has shown that Foxe Basin's dense waters originate from coastal latent heat polynyas and each year replace 2/3rd of the basin's deep waters by…”
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Multi-year observations of deep water renewal in Foxe Basin, Canada
Published in Atmosphere-ocean (01-09-2008)“…New oceanographic mooring data recorded between 2004 and 2006 show an abrupt arrival of cold and saline water at the bottom of Foxe Channel each year. Foxe…”
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Cell Surface Expansion in Polarly Growing Root Hairs of Medicago truncatula
Published in Plant physiology (Bethesda) (01-11-2000)“…Fluorescent microspheres were used as material markers to investigate the relative rates of cell surface expansion at the growing tips of Medicago truncatula…”
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Whorl morphogenesis in the dasycladalean algae: the pattern formation viewpoint
Published in Philosophical transactions of the Royal Society of London. Series B. Biological sciences (29-02-2000)“…The dasycladalean algae produce diverse whorled structures, among which the best known are the vegetative and reproductive whorls of Acetabularia acetabulum …”
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Biodegradation characteristics of starch–polystyrene loose-fill foams in a composting medium
Published in Bioresource technology (01-10-2010)“…The structures and biodegradabilities of loose-fill foams, containing starch and polystyrene at ratios of 70:30 and 80:20, were evaluated using a laboratory…”
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14
Generating Helices in Nature
Published in Science (American Association for the Advancement of Science) (23-09-2011)“…A general model accounts for different types of helical shapes that can result from bilayers of stretchable, bendable sheets. Macroscopic helical structures…”
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15
Can mechanics control pattern formation in plants?
Published in Current opinion in plant biology (01-02-2007)“…Development of the plant body entails many pattern forming events at scales ranging from the cellular level to the whole plant. Recent evidence suggests that…”
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"Vegetable Dynamicks": The Role of Water in Plant Movements
Published in Annual review of fluid mechanics (01-01-2012)“…Although they lack muscle, plants have evolved a remarkable range of mechanisms to create motion, from the slow growth of shoots to the rapid snapping of…”
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How the Venus flytrap snaps
Published in Nature (27-01-2005)“…The rapid closure of the Venus flytrap (Dionaea muscipula) leaf in about 100 ms is one of the fastest movements in the plant kingdom. This led Darwin to…”
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Incompleteness and statistical uncertainty in competition/stocking experiments
Published in Aquaculture (18-05-2005)“…In competition experiments, decisions are made not only about experimental conditions such as initial population densities, of course, but also about…”
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Macromolecular Changes in Extruded Starch-Films Plasticized with Glycerol, Water and Stearic Acid
Published in Die Stärke (01-05-2009)“…Native corn starch, plasticized with water, glycerol and stearic acid, was extruded in a conical twin-screw extruder and sheeted into 0.4-0.6 mm thick films…”
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Linking promoters to functional transcripts in small samples with nanoCAGE and CAGEscan
Published in Nature methods (01-07-2010)“…Capturing the 5′ end of transcripts from an input of only 1,000 cells and linking the transcription start sites to downstream sequences allows the analysis of…”
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