Wood 1..8
نویسنده
چکیده
make their red blood cells just go with the flow. the test could pinpoint those who may benefit from such therapies, putting more patients on treatment regimens that . can objectively identify patients who are not responding well to treatment or transfusion. Conversely, et al by Wood It may never be possible to predict the exact timing of vaso-occlusion, but the ex vivo biophysical test proposed patient's response to therapy, such as a blood transfusion or small-molecule drugs. reliable markers like white blood cell count and hemoglobin S fraction. Wood and colleagues could also predict a biophysical marker helped the authors to successfully identify benign versus severe samples, without using less deoxygenation would result in a drop in flow velocity, which could be measured as a change in conductance. This oxygen reservoir. As sickle cells become deoxygenated, they adopt their stiff, sickle shape. In their device, such which were ''benign.'' The blood was flowed through a microfluidic device consisting of a channel coupled to an . collected blood from 29 patients: 23 of which were classified as having ''severe'' disease, and 6 of et al Wood severity. a new type of marker that could stratify sickle cell patients on the basis of disease −− biophysical changes in blood . therefore devised a microfluidic device that can mimic this vaso-occlusive event, allowing them to detect et al Wood cell disease can be detected through genetic and molecular tests, there is no objective biomarker of clinical outcome. S, that changes cells into a rigid sickle, or crescent, shape and causes blood flow to slow markedly. Although sickle hemoglobin hemoglobin. For those with sickle cell disease, red blood cells carry a mutated form of hemoglobin, called In healthy people, blood flows freely throughout the body, delivering oxygen to tissues via the molecule or Not ... Going with the Flow
منابع مشابه
Toxicologic Review of Selected Chemicals - 526
Before 1985, OSHA regulated wood dust under its nuisance dust standard of 15 mg/m3 (29 CFR 1910.1000, Table Z-3). However, in a 1985 enforcement proceeding before the Occupational Safety and Health Review Commission, wood dust was held not to be covered by the nuisance dust standard. It held that the standard only covered inorganic dusts. (12 OSHC 1785). The Agency did not regulate this substan...
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The main purpose of this study was to optimize microwave assisted alkaline extraction of the hemicellulose, xylan, from birch wood. The simultaneous effects of process variables such as time (10 30 minutes), concentration of sodium hydroxide solution (4 8 wt%), solid to liquid ratio (1:8 to 1:20, g:mL), and sample size (5 10 g) on the temperature of the wood slurry, wood dissolution, and yield ...
متن کاملWood distribution in neotropical forested headwater streams of La Selva, Costa Rica
Surveys of wood along 30 forested headwater stream reaches in La Selva Biological Station in north-eastern Costa Rica represent the first systematic data reported on wood loads in neotropical streams. For streams with drainage areas of 0·1–8·5 km and gradients of 0·2–8%, wood load ranged from 3 to 34·7 m wood/100 m channel and 41–612 m wood/ha channel. These values are within the range reported...
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متن کاملChapter 8 Drying Defects
Effect of drying temperatures 180 Defect categories 180 Rupture of wood tissue 180 surface checks 180 End checks and splits 182 Collapse 183 H o n e y c o m b 1 8 5 Ring failure 186 Boxed-heart splits 186 Checked knots 186 Loose knots 186 Warp 187 Uneven moisture content 188 Board rejects 188 Water pockets 188 Control measures 188 Discoloration 189 Sapwood discolorations 189 Heartwood discolora...
متن کاملRelationships between growth stress and wood properties in Poplar 1 I - 69 ( Populus deltoides Bartr . cv . ” Lux ” ex I - 69
*Corresponding author: [email protected], 8 Tel +33-4 6714 4918 9 Fax +33-4 6714 4792 10 11 2008, Annals of Forest Sciences, 65, 307 12 13 Abstract Six inclined poplar I-69 (Populus deltoids cv. I-69/55) trees were collected for studying the influence 14 of growth stress level on wood properties. Growth stress indicator (GSI) was measured at 8 positions around the 15 periphery of each trunk at...
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