permeation properties
Gas permeation properties and characterization of matrimid based carbon tubular membrane
... gas permeation properties by using scanning electron microscopy (SEM), Fourier transform infrared (FTIR), thermal gravimetric analysis (TGA), and pure gas permeation system, ...
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An Experimental Investigation on Strength and Water Permeation Properties of Rice Husk Ash Concrete Reinforced with Polypropylene Fibres
... water permeation properties of rice husk ash concrete reinforced with polypropylene ...The properties included are the workability, compressive strength, splitting tensile strength, flexural strength ...
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Expression and permeation properties of the K + channel Kir7 1 in the retinal pigment epithelium
... In a ‘subtracted’ bovine RPE cDNA library (Chang et al. 1997, 1999), we identified a clone containing a partial sequence with homology to the Kir channel subunit ROMK2. Subsequently, we used this clone to probe a human ...
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Corneal permeation properties of a charged lipid nanoparticle carrier containing dexamethasone
... The J ss and P app obtained for L/NPs and the aqueous solu- tion of dexamethasone are shown in Table 3. Corneal hydra- tion levels in all three samples were within the normal range, 75%–83%; the pH range of the ...
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TMC2 Modifies Permeation Properties of the Mechanoelectrical Transducer Channel in Early Postnatal Mouse Cochlear Outer Hair Cells
... The expression level of Tmc1 is almost undetectable at the onset of mechanotransduction (Kawashima et al., 2011) at around P1 in mouse apical OHCs (Lelli et al., 2009; Chen et al., 2014; Marcotti et al., 2014), and ...
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Transduction without Tip Links in Cochlear Hair Cells Is Mediated by Ion Channels with Permeation Properties Distinct from Those of the Mechano-Electrical Transducer Channel
... Our finding that the anomalous MET cur- rents of OHCs are two orders of magni- tude less sensitive to block by the aminoglycoside antibiotics DHS and neo- mycin suggests that the pore properties of the underlying ...
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Advanced Catalytic Membrane Characterisation and Gas Permeation Properties for Enhanced Ethyl Lactate Conversion
... The permeation cell consisted of a thermally resistant stainless steel ...to permeation experiments, a leak test was carried out by monitoring the downstream pressure variation while the system remained ...
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Microwave Assisted Synthesis of Nano Zeolite Seed for Synthesis Membrane and Investigation of its Permeation Properties for H2 Separation
... The permeation setup consists of a temperature and pressure control system and the membrane test module. The membrane was sealed in the shell-and-tube membrane test module using Viton O-rings to ensure a leak-free ...
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Liquid permeation and water vapour transmission properties of a temperature-sensitive pvdf-g-nipaam barrier membrane
... Poly(vinylidene fluoride) (PVDF) is a type of fluoropolymer having well-known chemical resistance, mechanical strength and piezoelectric properties [3]. It is widely used as a chemical liquid barrier material as ...
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Permeation through the CFTR chloride channel
... allows permeation of large organic anions when present at the intracellular but not the extracellular side of an excised patch; this asymmetry is dependent upon ATP hydrolysis (Linsdell and Hanrahan, 1996b, ...and ...
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Perspective Progress and Prospects in Permeation
... the permeation properties of mobile ions was supposed to be the electric field created by these charges, and the concomitant distribution of the probability of location (“concentration”) of the permeating ...
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Novel chemical permeation enhancers for transdermal drug delivery
... In order to facilitate the passage of molecules through the SC, transdermal permeation enhancers have been extensively studied. Up to date, more than 360 chemicals have been demonstrated to enhance the skin ...
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Transdermal Patches as a tool for permeation of drug through skin
... For a long term treatment and for a multidose treatment the most suitable system is transdermal drug delivery system because different patches are prepared for long period of time in a suitable dose providing treatment. ...
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Influence of the Ultrasound in Cutaneous Permeation of the Caffeine: In Vitro Study
... The US mechanical effect produces cell oscillation, thus promoting the enlargement of intercellular spaces, modifying the lipidic structure of the cell membrane, increasing cell permeability and ionic conductance, and ...
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Enhanced Skin Permeation of Verapamil Hydrochloride ThroughEthanolic Liposomes
... Ethosomes are innovative and specially designed vesicular systems developed for transdermal and dermal delivery of bioactives. These are ethanol containing soft and malleable lipid vesicles tailored for enhanced skin ...
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Effects of cuticular waxes on permeation of fungicides azoxystrobin and chlorothalonil into apples
... the permeation of hydrophobic pesticides into the plant tissues, and surfactant ingredients con- tained in commercially available products of pesticides can promote such permeating interactions ...
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Effect of Heterogeneity of Porous Media on Gas Permeation and Entrapment
... In the case of parallel structure, the injected gas selectively percolated into permeable layers. The gas permeation can hardly occur for the less permeable layers because of the capillary entrance pressure. For ...
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Hydrogen transport in metals:Integration of permeation, thermal desorption and degassing
... The number density of traps was found to be proportional to the linear spacing of the respective microstructural feature. This is due to the diffusion paths of hydrogen atoms follow a line (in a 3-D space) and the ...
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Mechanism of transdermal permeation promotion of lipophilic drugs by ethosomes
... transdermal permeation promotion of lipophilic drugs by ...percutaneous permeation of Rhodamine B in the optimized ethosomes was superior to that in hydroethanolic solution ...
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In vitro analysis of sublingual vitamin B12 permeation
... Sublingual drug delivery utilises the permeability of the mucosal membrane located on the ventral side of the tongue. The sublingual membrane is a preventative barrier for the permeation of many compounds into ...
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