How To Use Osmotic In A Sentence
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(Salmon, salt, pepper, sugar, and dill – the osmotic pressure semi-dehydrates the salmon, creating a brine that it sits in.) Chris Travers (Quote)
The Volokh Conspiracy » Are Carbs Worse than Fat?
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For one, maintaining a constant water potential of tissue fluid prevents osmotic damage to cells, either by cell lysis or crenation.
Conservapedia - Recent changes [en]
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Walter Stockenius, Dieter Oesterhelt had discovered bacteriorhodopsin in halobacteria and later proposed that it acts as a lightdriven proton pump in the framework of Peter Mitchell's chemiosmotic theory.
Hartmut Michel - Autobiography
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Excessive acidity and osmotic pressure in the gastric effluent can also retard emptying.
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Osmotic potential is caused by the tendency of water to move so as to equalize solute concentration (salts, organics, anything that dissolves in water).
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The osmolal concentration of TEG and MG were calculated from the dependence of their osmotic pressure on molal concentration.
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Ions and molecules move through these induced gaps of the SC by diffusion and electromotive or electro-osmotic transport.
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Both theories use the linear charge density of DNA as an adjustable parameter, lumping all of the double layer effects, such as charge screening and electro-osmotic friction, into this parameter.
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Peter Mitchell (1920-1992), an English chemist, was the 1978 Nobel Laureate in Chemistry for his contribution to the understanding of biological energy transfer through the formulation of the chemiosmotic theory.
Mitchell, Peter
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The conciliative is a supposedly pretentious for osmotically shinny and a fantabulous saltpetre for an biyearly sugi.
Rational Review
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Osmotic stresses, such as drought, low-temperature and high salinity, are major factors in hindering tall fescue growth and productivity.
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Leaves were excised, placed in sucrose or sorbitol (osmotic control) and the expression of all three clones was monitored.
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These reflexes are initiated by the excitation of duodenal mucosal chemoreceptors to acid, fats, and osmotic pressure in the luminal contents.
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The solvent is pumped through the electro-osmotic flow when the voltage is applied.
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Desert gopher tortoises also store dilute urine that buffers evaporative loss and allows them to hold blood osmotic concentration constant, at least until bladder contents become isosmotic with blood.
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This second chamber contains an osmotically matched buffer and the test peptide in solution.
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Loss of albumen and proteins, either from uncontrolled glomerular filtration, or from ineffective reabsorption, prevents establishment of normal capillary osmotic pressure.
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Betaine is one of several compounds used by cells to regulate osmotic pressure and has been recognized as an important osmolyte that maintains cellular tonicity.
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Osmotic laxatives such as lactulose are effective alternatives to soften hard stools.
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Osmotic pressure measurements have been used for solutes of high molecular weight.
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In addition to hydrostatic pressure, GFR is influenced by glomerular plasma osmotic pressure.
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The pennate diatom Phaeodactylum tricornutum also responds rapidly to specific environmental stimuli such as mechanical stress and osmotic shock with increases in cytoplasmic Ca.
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It is assumed that the accumulation of osmotically active compounds, such as sugars, proline and betaine is accelerated, leading to water efflux from the anther wall and thus triggering dehiscence.
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Replacement of NaCl for isosmotic sorbitol produced a slight depolarization of the membrane.
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Diarrhea may be the result of unabsorbed lithium in the large intestine pulling water into the lumen by osmotic pressure.
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This led us to the hypothesis that terrestrial crabs have the option of directing isosmotic urine to organs that, unlike the antennal gland, are capable of producing strong gradients.
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For constipation, an osmotic laxative is preferred over stimulant laxatives.
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I can rattle on about cytochromes, about chemiosmotic potentials and ATP synthase.
"I will show you fear in a handful of dust...."
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Here we report significantly increased SPAK expression levels in hyperosmotic environments, such as mucosal biopsy samples from patients with Crohn's disease, as well as colon tissues of C57BL / 6 mice and Caco2-BBE cells treated with hyperosmotic medium.
PLoS ONE Alerts: New Articles
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The osmotic adjustment endowed P. euphratica cell strong tolerance to salt stress.
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Placing cells in a hypoosmotic environment leads to the influx of water into the cell.
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Home spa treatments are effective, and even taking a bath is great, since the osmotic effect of bath water helps draw out toxins.
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L-valine was supplied at a concentration of 1.12 M. Initial influxes are expressed in pmol mg - 1 protein min - 1. Effect of osmotic shock.
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Although no measurements of osmotic coefficients of proteins in a muscle cell have been made to date to corroborate this assumption, a variety of other motional and colligative properties of muscle solutes have been investigated.
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If, for example, the osmotic pressure measured is the hundred-millionth of a barye, we shall know that a cubic centimetre of hydrogen under normal conditions (pressure equal to a million baryes) contains 100 million million times n molecules (1014 n).
Jean Baptiste Perrin - Nobel Lecture
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Hence the axolemma appears to be the barrier for osmotically induced flow into the axoplasm.
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For some repairs such as osmotic blisters the warranty is prorated over the five years.
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In addition, unabsorbed lactose has an osmotic effect not unlike that of lactulose, a synthetic laxative, increasing the amount of fluid retained in the bowel.
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osmotic pressure" in solutions which are sufficiently dilute is proportionate to the concentration and the absolute temperature so that this pressure can be represented by a formula which only deviates from the formula for gas pressure by a coefficient
Jacobus H. van 't Hoff - Biography
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In both cases, leaf water and osmotic potential was lower than that of plants grown under conditions.
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The brilliance of the microfluidic cell is that ABEL can move both charged and neutral particles -- the latter via a sort of "electro-osmotic" effect due to hydrodynamics forces
Cocktail Party Physics
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Ratios between hydrostatic and osmotic root Lp r were calculated for individual roots which were then averaged.
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Fortner and Pickford found that cortisol increased plasma chloride levels in hypophysectomized black bullhead, and that both prolactin and cortisol were necessary to maintain normal ion homeostatsis under isosmotic conditions.
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Table 2 shows the percentage of protoplasts that expanded and burst due to the reduction in osmotic pressure of the medium by successive dilution of the sucrose content.
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All we need to get cellular life started seems to be a chemiosmotic gradient such as found around alkaline vents in acidic CO2 oceans.
If the Earth is Rare, We May Not Hear from ET | Universe Today
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In biological systems, it is therefore necessary to distinguish between osmotically active and osmotically inactive particles.
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Stressed plants diminish osmotic potential by accumulating free amino acids, ions and dissolvable substances.
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Consequently the effective osmotic pressure that it exerts on biological membranes is far less than its osmotic pressure measured by an osmometer.
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By contrast with mannitol, ionic osmotica induced plasmolysis of all root cells, irrespective of their position within the maize root apex (data not shown).
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The osmotic shock experiment was repeated three times on each mutant.
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Experimental reports in septic models demonstrate no increase in extravascular lung water when hydrostatic pressures are maintained at low levels, indicating that in sepsis, the primary determinant of extravascular fluid flux appears to be microvascular pressure rather than colloid osmotic pressure. 65 Taken together, these data suggest that when lower filling pressures are maintained, there is no significant difference in the development of pulmonary edema with crystalloids or colloids.
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The osmotic potential is the amount of net movement that can occur when the solution is compared to pure water.
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Osmotics can cause dehydration and the buildup of magnesium and phosphate, which is dangerous for anyone with kidney problems.
The Four Types of Laxatives: How Each Works and the Risks they Pose
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In his dissertation, he presented theory and experiments on the osmotic pressure of concentrated solutions of carbon dioxide in various solvents - just generalized soda water.
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One risk is that the cerebral edema induced by the hypo-osmolality is clearly a bad thing and should not be allowed to persist and worsen and on the other hand there is the somewhat mysterious spectre of osmotic demyelination which is typically referred to by one of it forms namely central pontine myelinolysis.
Archive 2007-05-01
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Objective To explore the correlation urine freezing point osmotic pressure, refraction osmotic pressure and urine conductivity.
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Osmotic pressure is a measure of the extra pressure that has to be exerted to counteract osmosis.
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Maternal colloid osmotic pressure after fetal surgery.
Congenital cystic adenomatoid malformation publications
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Theoretically, however, differences in osmotic pressure, surface tension, electrical potential, and so on, offer the same possibility of developing work; and consequently any chemical process whatever that takes place
Physiology or Medicine 1922 - Presentation Speech
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Loss of glucose in the urine causes osmotic diuresis, increasing urinary losses of electrolytes and water.
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Samples of nondegenerate and degenerate human patellar cartilage were subjected to osmotic loading by equilibrating the tissue in solutions of varying osmolarity.
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In his dissertation, he presented theory and experiments on osmotic pressure of concentrated solutions of carbon dioxide in various solvents - just generalized soda water.
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Hyperosmotic shock experiments were performed according to Schuster et al.
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The appeal of The Mysteries, Abraham suggests, is that it takes "a narrative that almost everyone knows" - a group of stories embedded in us by what he calls "a kind of osmotic knowledge", and refreshes it.
Evening Standard - Home
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In these osmotic experiments pressure P was varied using a sucrose solution of defined osmolarity.
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In barley, a combination of starvation and osmotic stress is able to induce efficiently a microspore developmental switch from the gametophytic to the sporophytic pathway, a process called androgenesis.
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Peter Mitchell of the Glynn Research Laboratories in England was awarded in 1978 for his formulation of the chemiosmotic theory.
The Nobel Prize in Chemistry: The Development of Modern Chemistry
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Although the citation on van 't Hoff's award acknowledges him for "the extraordinary services he rendered by the discovery of the laws of chemical dynamics and osmotic pressure in solutions", van 't Hoff is actually best remembered for his postulation that the carbon atom in organic compounds has
K. Barry Sharpless - Banquet Speech
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If a U-shaped glass tube were divided in two by a semipermeable membrane and filled with two solutions the osmotic pressure could be shown.
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It has been shown previously that infected and uninfected nodule protoplasts isolated according to this protocol are osmotically active and exclude the dye propidium iodide, indicating the intactness of their plasma membrane.
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Here we report that this defect formation is strongly enhanced by the membrane tension induced by osmotic swelling of vesicles.
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Their data are scattered, probably due to electro-osmotic flow generated by the glass coverslip, or possibly due to DNA-gel interactions.
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The osmotic flow involved comes from the osmotic pressure, which is surprisingly large.
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The research builds on previously published work that demonstrated the efficacy of what's called electro-osmotic pumping between surface tension-held interfaces, first by using just two larger water droplets.
PhysOrg.com - latest science and technology news stories
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Conversely, very preterm infants are also susceptible to hyperglycaemia and glycosuria, which can disturb fluid balance by inducing an osmotic diuresis.
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The technology is also referred to as osmotic power because it relies on osmosis - the tendency of water to move from one side of a porous divider to the other to even out the salt concentration on either side.
Ventura County Star Stories
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Osmotic stress and potential defects in small ion or metabolite transport were examined on 1.2 M NaCl plates.
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Efficacy of the treatment was ascertained by autoclaving samples of decoated seeds for 90-95% osmotic distention.
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The researchers pushed liquid through the plate in just a fraction of a second by applying a low-voltage pulse that drives a process known as electro-osmotic flow.
Scientific American
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Whilst the luminal fluid in the descending limb becomes increasingly hyperosmotic down the length of the limb, the fluid in the ascending limb becomes increasingly hypotonic, as sodium, potassium and chloride are being removed with the aid of the Na+ / K+-2Cl - cotransport system in the apical membrane.
Conservapedia - Recent changes [en]
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The solution also creates a strong osmotic pressure on the cell walls of bacteria and other micro-organisms, which prevents them from passing substances in or out.
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Plants used for measuring osmotic water flow were also employed to measure hydraulic conductivity of root systems in the presence of hydrostatic pressure gradients.
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Michel has later also crystallized and determined the structure of the terminal enzyme in respiration, and his two structures have allowed detailed studies of electron transfer (cf. Sections 3.3 and 3.4) and its coupling to proton pumping, key features of the chemiosmotic mechanism for which Peter Mitchell had already received the
The Nobel Prize in Chemistry: The Development of Modern Chemistry
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Inorganic ions accumulated in plant cells serve nutritional, osmotic, signalling, and storage functions.
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“The reason that all organisms are chemiosmotic today is simply that they inherited it from the very time and place that the first cells evolved – and they could not have evolved without it,” said Martin.
'Primordial Soup' Ousted from the Origin of Life?!? - The Panda's Thumb
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An electro-osmotic model is developed to examine the influence of plasma membrane superficial charges on the regulation of cell ionic composition.
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Objective To study the risk factors of nonketonic hyperosmotic diabetic coma(NHDC) secondary to severe cerebral trauma, as well as its therapeutic methods.
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The new energy I learned about is called osmotic energy.
Maria Energia
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Result Blood osmotic pressure of newborns with neonatal pneumonia neonatal jaundice, asphyxia, cold injure.
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Individual cell osmotic pressure is measured using a picolitre osmometer.
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Revenues generated by the carbon tax ($50 per ton) can finance some innovative technologies such as osmotic energy.
The Guardian World News
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A control experiment was performed for each group, in which cells were perfused with isosmotic media.
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The reduction in salt concentration compensated for the osmotic effect of dextran.
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that predicts so-called osmotic power - which is generated in the salt to fresh water conversion process - could provide thousands of terawatts of baseload electricity around the globe.
Resources | ZDNet
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Murray is adept at achieving an osmotic relationship of sorts between geometric and painterly abstraction.
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The reason is that these types of liquids have what is called osmotic action, meaning that they draw liquid out of mucous membranes and help shrink swelling, thereby easing discomfort.
American Yoga Association Beginner’s Manual Fully Revised and Updated
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The salts of sodium and potassium are the main providers of the osmotic strength of body fluids.
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A ferric tannate staining was used to highlight cell walls exposed on the cut surfaces and stained cells were measured immediately to minimize possible dimensional change due to osmotic water uptake.
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In biological systems, it is therefore necessary to distinguish between osmotically active and osmotically inactive particles.
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Yeah, it strikes me that the first and best use of social software in hollowed-out cities would be to simply connect people — somehow helping folks find each other in these places where the density has dropped and there’s no longer the sort’ve critical mass and osmotic pressure that sustains more crowded and vibrant places.
Detroit Tag City? What? « Snarkmarket
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Electrical action potentials, osmotic perturbations or chemical signals may trigger these waves.
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The experimental evidence demonstrates the absence of a link between the two biochemical pathways, consisting with the chemiosmotic theory.
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One risk is that the cerebral edema induced by the hypo-osmolality is clearly a bad thing and should not be allowed to persist and worsen and on the other hand there is the somewhat mysterious spectre of osmotic demyelination which is typically referred to by one of it forms namely central pontine myelinolysis.
SIADH or SIAD-where did the "h" go and does it matter?
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That does mean that a few crazies on the fringe will go wandering off the edge of reality, but at the same time it means that we can have Margulises and Mitchells (the chemiosmotic explanation of mitochondrial function, if you don't know the name) who can follow up wild ideas that turn out to be right.
Idiot America
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When cyanobacterial cells are immersed in buffers of high osmotic strength, phycobilisome diffusion is strongly inhibited.
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The effect of osmotic stress on membrane fusion has been investigated in a number of different systems.
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Even though important details of the underlying molecular mechanisms are still unclear, the chemiosmotic theory is now generally accepted as a fundamental principle in bioenergetics.
Press Release: The 1978 Nobel Prize in Chemistry
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Osmotic potential was determined on the same leaf with a vapour pressure osmometer, after samples were frozen and thawed.
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The non-osmotic laxatives, phenolphthalein and senna, partly act by stimulating secretory mechanisms in the intestine.
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osmotic pressure
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Osmotic laxatives such as lactulose are effective alternatives to soften hard stools.
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These are elevation of boiling point, depression of freezing point, osmotic pressure.
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Let’s make another digression to flesh out the idea of osmotic pressure, which is one of the most important forces acting in the human body.
Dietary protein, serum albumin and health | The Blog of Michael R. Eades, M.D.
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Microfluidic devices utilizing electro-osmotic flow (EOF) through micro-channels have been developing rapidly and have been widely applied in biology.
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Thus, the photodamaged lysosomes and the normal ones will suffer the same level of osmotic stress in the same hypotonic sucrose medium.
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Michel has later also crystallized and determined the structure of the terminal enzyme in respiration, and his two structures have allowed detailed studies of electron transfer (cf. Sections 3.3 and 3.4) and its coupling to proton pumping, key features of the chemiosmotic mechanism for which Peter Mitchell had already received the
The Nobel Prize in Chemistry: The Development of Modern Chemistry
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Is it true that female monkfishes are larger than their male counterparts? osmotic pressure is highest in a. HYDROPHYTES b.
Yahoo! Answers: Latest Questions
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Control experiments confirmed that no volume change occurred following perfusion of cells with isosmotic media.
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1961 Peter Mitchell presented what is termed the chemiosmotic hypothesis for which he received the Nobel Prize in 1978.
Press Release: The 1997 Nobel Prize in Chemistry
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This mechanism offers osmotic protection to the embryos until late in their development.
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Since sodium phosphate is an osmotic cathartic agent, there is the risk of intravascular volume reduction due to the production of a large effluent.
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Methods Core tablets containing osmotic active agent were prepared by direct compression and spray coated with swelling layer and semipermeable membrane subsequently.
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The presence of K + ionophores eliminates the osmotic pressure due to K + ions.
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Association in 1912, argued that all the main characteristics of living matter, such as assimilation and disassimilation, growth and reproduction, spontaneous and amoeboid movement, osmotic pressure, karyokinesis, etc., were equally apparent in the non-living; therefore he concluded that life is only one of the many chemical reactions, and that it is not improbable that it will yet be produced by chemical synthesis in the laboratory.
The Breath of Life
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The ecology of different Ca physiotypes is thought to reflect their ability to utilize Ca as an osmoticum in primarily xerophytic, calcareous environments.
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The non-osmotic laxatives, phenolphthalein and senna, partly act by stimulating secretory mechanisms in the intestine.
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There is no evidence for simple osmotic effects since dramatic changes in Tris buffer concentration did not change nuclear size.
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You should see what they can do with mixed disciplines -- scholia like histochemistry, immunodynamics, biophysics, terataxonomy, osmotic genetics, electrolimnology, and half a hundred more.
A Case Of Conscience
