How To Use Hydrophobic In A Sentence
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Thus, the adsorption and affinity of each protein studied should be quite different when they are adsorbed on a hydrophobic surface.
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The primary binding pattern between caffeic acid and BSA included electrostatic and hydrophobic interaction, and the latter was identified to be the main force under physiological condition.
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The pharmacophore included a hydrogen bond receptor, a hydrogen bond donor, a hydrophobic area and a phenyl ring with a chlorine or a bromine atom.
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Hydrophobicity has been recorded in dry, unburned soils but may be intensified by fire.
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Previously, our laboratory developed a new strategy to overcome BP hydrophilicity by masking the phosphonic acid with organic protecting groups and introducing hydrophobic functions in the side chain
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The continued increase in ouabain effect following washout is likely due to slow tissue diffusion of the hydrophobic drug.
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Due to the hydrophobic nature of elastin, this amorphous, cross-linked protein is insoluble in water and many organic solvents.
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This solvent is hydrophobic, meaning it mixes with oils and doesn't like water.
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The role of these structures in determining spore hydrophobicity, adhesion, dispersal, and resistance to environment stresses is poorly understood.
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It is clear that two different hydrophobic motifs are conserved in annelid species.
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Suffer catch animal saliva embedded hydrophobic poison.
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However, these side chains do not fully occlude the pore but rather appear to form a hydrophobic barrier to ion permeation.
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Previously, our laboratory developed a new strategy to overcome BP hydrophilicity by masking the phosphonic acid with organic protecting groups and introducing hydrophobic functions in the side chain
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Some, for example, are hydrophilic ( water lov - ing ) , whereas others are hydrophobic ( water fearing ) .
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When polymer concentration in higher than the critical aggregation concentration, the intermolecular hydrophobic ass.
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This should be taken as an indication that the contributions of the hydrophilic and hydrophobic portions of the amphiphilic molecules to the free energy of interaction with the solvent phases are not independent.
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However, scientists argue about whether hydrophobic or hydrophilic interactions are dominant.
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In a second step, these helices are inserted into the hydrophobic environment of the detergent micelle.
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This is mainly the result of hydrophobic partitioning of individual detergent molecules at lipid and protein-lipid interfaces.
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Peering out at them from her dry, dehumidified office, the stout middle-aged human female pushed back her hydrophobic cap and smiled at her visitors.
Drowning World
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However, synthetics like polyester and nylon are naturally hydrophobic, so they repel the water and keep it away from the skin.
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This is a significant drawback because the dependency of intermembrane transfer on lipid hydrophobicity is a very useful criterion when assessing the mechanism of transfer.
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The interactions include hydrophobic effect, site and isolation neighboring group participation effect at al.
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Addition of collector or non-polar oil emulsion to extremely fine mineral suspension can intensify induction of hydrophobic flocculation of extremely fine mineral particles, forming floc.
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The anaesthetics bind in a hydrophobic pocket which is the normal binding site for a necessary cofactor.
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To fill the channels with the aqueous buffer solution, the hydrophobic surface of PDMS was wetted with ethanol, which was gradually replaced by water.
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In these studies we have immobilized a wide range of hydrophobic zwitterions onto a reversed-phase chromatographic support to produce the desired zwitterionic stationary phase.
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The dermal barrier composition is moisture activated, and remains inert until the hydrophobic and hydrophilic polymer emulsions contact a suitable substrate such as human skin.
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Researchers throughout the world have been striving to invent superhydrophobic materials for products such as antifouling paint, self-cleaning garments, or coatings on airplanes to prevent ice buildup.
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These results were similar to previously reported values for polystyrene and showed high hydrophobicity.
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Within the hydrophobic environment in the center of the green fluorescent protein, a reaction occurs between the carboxyl carbon of Ser65 and the amino nitrogen of Gly67 that results in the formation of an imidazolin-5-one heterocyclic nitrogen ring system (as illustrated in Figure 2).
Archive 2005-10-01
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The lower efficiency of surfactants with large headgroups can be understood as a steric effect, where a bulky headgroup sterically hinders the hydrophobic residues on the peptide from interacting with the micelle core.
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Both molecules are facially amphiphilic, meaning they possess several polar, or charged chemical groups on one side of the molecule, and hydrophobic groups on the other side.
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In humid tropical areas, or areas with heavy rainfall, it may be advisable to purchase "hydrophobic" cement, since this kind of cement can be stored in damp conditions for long periods of time.
Chapter 6
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HTV silicone rubbers filled with three types of fumed nano silica were also prepared for comparison with HTV silicone rubber reinforced by hydrophobic nano silica sol.
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The aid rapidly expands when it hits the water because it contains hydrophobic foam.
The Sun
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Both are classified as hydrophobic, and fabrics made of them tend to feel uncomfortable in hot, humid weather.
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The second scission occurs when a protease uses an unusual active site within the hydrophobic lipid environment to recognize and cleave the truncated target protein, releasing both the lumenal fragment and the cytoplasmic domain from the membrane.
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Developed at Bristol University in England, the Rev7 gum is amphiphilic, which means it both repels water (hydrophobic) and dissolves in water (hydrophilic) at the same time.
Gizmodo
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During the cyclisation of the intermediate polyamic acid to the polyimide, the resin becomes less hydrophobic.
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Also no difference in the packing of the hydrophobic core between the parallel and antiparallel orientations was expected.
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Upon transfer to a hydrophobic medium, it fluoresces brightly in the visible range and exhibits a high degree of environmental sensitivity.
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All of these happenings could possibly affect your passion in photography if you're being too overprotective on your 'hydrophobic' camera.
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They are amphipathic molecules, with one side of the rod being composed of hydrophobic residues and the other side being composed of hydrophilic residues.
Archive 2004-09-01
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This implies that chromophore protonation precedes the exposure of hydrophobic surface.
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The inherent positive charge of the quaternary nitrogen and hydrophobic retinoid side chains in A2E suggest that it may behave as a surfactant.
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It is believed that ionic, hydrophobic, charge-transfer, van der Waals interactions as well as steric effects can all play a role in the binding.
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It has been suggested that bifunctional molecules like alcohol can penetrate into the hydrophobic core of lys modifying its structural and dynamic properties.
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If you want to get technical Hycrete claim that concrete batched with Hycrete liquid admixtures achieve hydrophobic performance of less than 1% absorption under BSI-1881 122.
Waterproof, Recyclable Concrete –Just Add Hycrete | Impact Lab
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Purposes may be to minimize fouling, modulate hydrophilicity / hydrophobicity, enhance biocompatibility, create diffusion barriers, provide functionalities, mimic biomembranes, fabricate nanostructures, etc.
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A critical feature of micelles is that they combine two types of polymers, one being hydrophobic and the other hydrophilic, meaning they are either unable or able to mix with water.
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Japanese investigators have discovered that plastics can concentrate hydrophobic chemicals a millionfold.
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The polyurethane foam does not hold moisture and is hydrophobic (water repelling).
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As already discussed, increases in ionic strength seem to enhance the hydrophobicity of the peptide, which can be stabilized by peptide insertion into the lipid film and/or lipid oligomerization.
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This part of the molecule is called hydrophobic, meaning water-hating.
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It was hypothesized that this unaccounted mass was embedded in the hydrophobic interior of the lipid membrane, inaccessible to the negative stain.
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Here, we developed a new strategy to overcome BPs hydrophilicity by masking the phosphonic acid through organic protecting groups and introducing hydrophobic functions in the side chain.
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Other compounds with hydrophobic portions and a negative charge, such as acetyl tryptophan, were also effective.
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The negative values refer to inverse relationships between hydrophobic and hydrophilic residues.
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Many synthetics also tend to be oleophilic and hydrophobic—they attract oil and repel water—which means that they tend to oil-stain and to resist getting thoroughly wet and clean in the laundry.
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If water drips onto the back of a waxed frog, it forms beads (just as it would on a stick of butter), because the waxed skin is hydrophobic - both repelling water and retarding evaporative water loss.
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It has been suggested that upon the rapid freezing, water molecules crystallize on the lipid interface, forming two frozen planes separated by the hydrophobic core of the membrane.
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The amount of dimer that exists in organic solvents often increases with increasing solvent hydrophobicity (decreasing dielectric).
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In summary, all of the aforementioned approaches may capture some features of the hydrophobicity of the lipid bilayer hydrocarbon core and the hydrophilicity of the head group region.
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In the process, the spidroin protein molecules uncurl to reveal their uncharged hydrophobic segments, simultaneously ejecting some of the solvated water that it has been carrying until this point.
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Soil-release treatments are applied only to synthetic fibers and their blends or to durable-press fabrics, that is, to oleophilic/hydrophobic fibers or to those that, as a result of resin treatments, resist thorough wetting, and thus thorough cleaning, during laundering.
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The long hydrophobic tail of vinyl butyrate was placed along the hydrophobic cleft of the active site, while the bulky phenyl ring was fitted on the opposite side.
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The most hydrophobic and fungitoxic compound unexpectedly proved to be elemental sulphur.
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Solution properties and the conformation of the hydrophobically associating polymers in solution were investigated by means of environmental scan electric mirror(ESEM) and dynamic light scatter(DLS).
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However, synthetics like polyester and nylon are naturally hydrophobic, so they repel the water and keep it away from the skin.
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To prove these findings conclusively the scientists used an elegant trick: The methionine molecules were replaced with isosteric, chemically stable, non-oxidizable analogs, i.e. with the more hydrophobic norleucine (simulates non-oxidized methionine) and the highly hydrophilic methoxinine (simulates oxidized methionine).
Innovations-report
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One consequence of the amphipathic nature of AFP's is that an ice crystal that has a surface coated with these molecules will present a hydrophobic exterior.
Archive 2004-09-01
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Bacterial affinity for the host cell is known to be influenced by cell surface hydrophobicity.
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With the hydrophobic portions of the molecules sequestered from and the hydrophilic surfaces exposed to solvent, there is little driving force for the soluble peptide oligomers to associate with membranes.
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The cuticle of terrestrial vascular plants and some bryophytes consists mainly of two hydrophobic components, the biopolymer cutin and a mixture of lipids, which are usually called ‘waxes’.
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These studies relied on the ability of both halothane and chloroform to effectively quench the fluorescence of W15 located in the hydrophobic core of the four- [alpha] helix bundle.
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Bio-Consumables: "Despite their inherent hydrophobicity, the materials from which products such as pipettes, petri dishes and microplates are manufactured do retain residual amounts of liquid â€" resulting in inaccurate test results and the waste of costly reagents.
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The phenomenon is much more obvious for the mini - porefilter media woven by hydrophobic fibres.
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Hydrophilic portions of the amphiphile are shown as dark shaded, hydrophobic portions are shown as light shaded, and solvent is shown as unshaded.
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Consider a reversible gel in aqueous solvent with the polymers constituting the gel consisting of hydrophobic groups separated by hydrophilic spacers, as in the RG model.
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The researchers decided to conjugate cholesterol to PEI to act as a hydrophobic lipid anchor, and it turned out that the cholesterol enhanced endocytosis of the complex.
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Possible couplings might be fluorinated groups with hydrocarbons, hydrophilic and hydrophobic moieties, siloxanes, and hydrocarbons, etc, and in the present case, chiral and achiral halves.
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These studies address the effect of the hydrophobic surfactant proteins on diffusion within lipid bilayers.
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We also varied the end group of the trichlorosilyl surfactant, using an amine, vinyl, bromo, or phenyl group to provide other surfaces of differing hydrophobicity.
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The hydrophobic fourfold channels, in contrast, present large energy barriers for both monovalent and divalent ions, practically insurmountable for the latter.
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The plastic is hydrophobic and thus impermeable to ions and water.
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Most attractive property of super - hydrophobic surface is the self - cleaning effect.
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Cytotoxicity of conjugates may be influenced by many factors, including drug loading, side-chain hydrophobicity and net charge, which may ultimately affect singlet oxygen generation.
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Varying the environmental hydrophobicity with the solvents methanol, ethanol, propanol and butanol, a very low influence of environmental hydrophobicity on the spectral parameters of 2-5 was revealed.
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Like other hydrophobic, oleophilic fibers, polypropylene is prone to retaining oily soils from, for instance, food spills or the body.
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The crystal structure of the Max homodimer shows it to be a parallel, left-handed, four-helix bundle with a hydrophobic core.
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It follows that hydrophobic organic compounds have high adsorption coefficients and high bioaccumulation factors.
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This fold gathers the hydrophobic residues such that the acyl side chains have a reduced exposure to water.
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Phe261 forms a hydrophobic interaction with the oligosaccharide.
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Emulsions are typically made up of a hydrophilic, aqueous portion and a hydrophobic, oil portion.
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Highly structured water molecules occur in the monolayer adjacent to hydrophobic domains of intracellular solutes.
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Hydrophobic integral membrane proteins are prone to sample losses during the workup and analysis.
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As a result, this topology is hydrophobically disfavored.
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Possible couplings might be fluorinated groups with hydrocarbons, hydrophilic and hydrophobic moieties, siloxanes, and hydrocarbons, etc, and in the present case, chiral and achiral halves.
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Phospholipids are amphipathic-their lipid tail is hydrophobic but their negatively charged phosphate group is hydrophilic-so phospholipid molecules spontaneously form sealed compartments in water.
Ars Technica
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Due to this increase, voids are created in the hydrophobic core of the lipid bilayer.
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We calculated the energy of splay and tilt deformations necessary to avoid such hydrophobic exposure.
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The body's main strategy is to use bile salts as detergents: the molecules have a water-soluble (hydrophilic) side and a fat-soluble (hydrophobic) side.
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Viscose rayon, cuprammonium rayon, high wet-modulus rayon, and lyocell and their care … Acetate and triacetate and their care … Nylon and its care … Polyester and its care … Acrylic and modacrylic and their care … Spandex and its care … Polypropylene and its care … Microfibers … Blends … Caring for hydrophobic synthetic fibers
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These are small proteins capable of binding hydrophobic molecules with high affinity and selectivity.
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The researchers found that beta-peptides showed similar trends, with decreases in hydrophobicity leading to greater selectivity for bacterial cells.
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This protein, a carrier of small hydrophobic molecules including retinoic acid, has the potential to modulate lymphatic responses.
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Its eight cysteine residues form four disulfide bridges that prevent spontaneous self-assembly in solution and thus account for the controlled assembly at hydrophilic-hydrophobic interfaces.
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Even the sacred covenant between outdoor types and wet socks has come unravelled with the development of "hydrophobic" fabrics which repel all moisture, including the two pints a hiker's feet can release in a day.
Telegraph.co.uk: news, business, sport, the Daily Telegraph newspaper, Sunday Telegraph
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In addition to its photodynamic properties, hypericin is also hydrophobic and binds to a variety of cell and enveloped virus membranes.
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The interactions of the lipid molecules with the nanotube may be classified as hydrophobic and hydrogen-bondlike.
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Coating a porous material like foam with this polymer makes it hydrophobic, so it won't absorb water.
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Here, we developed a new strategy to overcome BPs hydrophilicity by masking the phosphonic acid through organic protecting groups and introducing hydrophobic functions in the side chain.
PLoS ONE Alerts: New Articles
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Japanese investigators have discovered that plastics can concentrate hydrophobic chemicals a millionfold.
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The interactions include hydrophobic effect, site and isolation neighboring group participation effect at al.
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The main ingredient for the biodegradable toner will be hydrophobic protein such as zein and / or polysaccharide and also chitosan and cellulose.
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The insertion of the hydrophobic acyl chains into the lipid bilayer forms a putative fourth cytoplasmic loop.
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The hydrophobicity is related to molecular volume and polarity.
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The low-dielectric properties of the microsphere appear to dominate the spectroscopic properties of the hydrophobic chromophores.
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In order to reduce the energy requirement for deagglomeration, the TiO. sub.2 powder is specially treated with a hydrophobic colloidal silica which coats and separates the individual TiO. sub.2 pigment particles.
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Hydrophobic interactions and other geometrically nonspecific interactions are lumped together and modeled using effective torsion, v, and H-bond to solvent, u, energy terms.
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The other end of the same molecule is hydrophobic, meaning it doesn't like water, and this end is actually able to dissolve grease molecules.
Archive 2009-06-01
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With this kind of dual nature, the hydrophilic part will face the water and the hydrophobic part will exclude water.
