(n.) Any substance or medium that transmits the electric force by a process different from conduction, as in the phenomena of induction; a nonconductor. separating a body electrified by induction, from the electrifying body.
Example Sentences:
(1) The RNA solutions showed a dielectric increment proportional to the strength of the applied field and to the RNA concentration.
(2) To investigate the physical state of water in hydrating biological macro-molecules, the dielectric properties of water in hen egg lysozyme pellets with various moisture contents were studied using the thermally stimulated depolarisation currents technique.
(3) In this way a complete description is given of both the electrostatic and the dielectric properties of the enzyme.
(4) We find good agreement between the model calculations and the experimental results indicating that edge birefringence can be attributed to the change in polarization of light that is refracted and reflected by dielectric interfaces.
(5) The present study, along with that of the Ser82 variant protein (Louie et al., 1988b), clearly establishes the link between dielectric constant within the heme crevice and reduction potential.
(6) It has been established that the structure of the hormone includes a set of regular helical forms which varies considerably with the humidity and dielectric constant of the medium.
(7) In the mixed solvent system, a dramatic change in the magnitude of solubility occurred after a dielectric constant value of about 60, indicating ionic association or ion-pairs below this value.
(8) The water inside the channel was considered through a continuum medium using the dielectric constant of the bulk, and the membrane contribution was included using the virtual images of the pore in a dielectric slab of epsilon = 3.
(9) Probe lifetimes for continuous immersion in physiological saline solution, as measured by impedance, have exceeded 750 h. The failure mechanism is believed to be due to moisture and ion absorption in the top dielectric layer.
(10) No simple expression for the effective dielectric constant, Deff, can generally be valid, since Deff is a sensitive function of position.
(11) A comparison of the dielectric properties between three different stages of tumor development as well as that between various locations within the tumor is reported.
(12) The intercalation complex was investigated as a function of the molecular dielectric constant, epsilon, and the length of the (G-C) duplex segment.
(13) The simulations are performed in a dielectric continuum model, the so-called primitive model of electrolyte theory, with a fixed protein structure and a uniform dielectric permittivity.
(14) The calculations were performed for the protonated form with a dielectric constant of 80 and the unprotonated form with dielectric constants of 1.5 and 80.
(15) The effects of buffer, pH, dielectric constant and phosphate have been investigated.
(16) Absolute rate constants, and equilibrium constants, of electron transfer reactions may vary greatly according to the dielectric properties of the reaction environment.
(17) An appropriately constructed transmission probe can sense the dielectric behaviour of tissue into deeper organ regions than a reflection probe of corresponding size.
(18) We summarize Wiener's theory of the dielectric constant of heterogeneous systems and extend its application to suspensions of particles with corrugated surfaces and interstitial solvent.
(19) A detailed evaluation of the electrostatic potential barrier shows, indeed, that the ions have practically no chance to penetrate into the phospholipid bilayer, but that they can cross the membrane through local protein inclusions, of high dielectric constant.
(20) Dielectrophoresis and electrorotation are commonly used to measure dielectric properties and membrane electrical parameters of biological cells.
Insulator
Definition:
(n.) One who, or that which, insulates.
(n.) The substance or body that insulates; a nonconductor.
Example Sentences:
(1) Light microscopic studies of pancreata from mice sacrificed at this time demonstrated insulitis and beta cell necrosis.
(2) The incidence and severity of insulitis was linked to MHC but no influence of TCR genes on insulitis nor an association between insulitis and antipolar antibodies could be demonstrated in this study.
(3) BB rats develop both pancreatic insulitis and lymphocytic thyroiditis, but whereas spontaneous autoimmune diabetes is common, hypothyroidism is rare.
(4) A grassed roof, solar panels to provide hot water, a small lake to catch rainwater which is then recycled, timber cladding for insulation ... even the pitch and floodlights are "deliberately positioned below the level of the surrounding terrain in order to reduce noise and light pollution for the neighbouring population".
(5) Called arctic packs, the insulating material consists of crude oil or diesel fuel.
(6) Matthew Fuller, 25, Rueben Barnes, 16, and Mitchell Sweeney, 22, died from electrocution and Marcus Wilson, 19, died after installing insulation batts in extreme heat.
(7) It found that on average, loft insulation decreases home gas consumption by 1.7%, cavity wall insulation by 7.8% and a new boiler by 9.2% (median figures were slightly higher).
(8) Heterozygosity for H-2nod was permissive for the development of pancreatic interstitial inflammation and peri-islet insulitis, whereas homozygosity for H-2nod was highly associated with insulitis.
(9) The probe tip was a gold-plated pin, insulated from the saliva by soft wax.
(10) "We quickly added cavity wall insulation which warmed the house, and fitted low-energy light bulbs in most rooms, reducing our electricity bill.
(11) Nicotinamide, a vitamin B group substance, has previously been shown to prevent diabetes and suppress insulitis in the NOD mouse.
(12) The NOD (non-obese diabetic) mouse spontaneously develops insulin-dependent diabetes mellitus (IDDM) characterized by autoimmune insulitis, involving lymphocytic infiltration around and into the islets followed by pancreatic beta (beta) cell destruction, similar to human IDDM.
(13) New laws may be needed to force private landlords to insulate and upgrade rented homes, the report says.
(14) Composite resin restoration of posterior teeth necessitates a reassessment of cavity insulation and dentine conditioning.
(15) "Before this scheme rolled out I think there were very few accidents in the insulation industry," said the commissioner, Ian Hanger QC, adding that problems occurred after an influx of people becoming installers, including a number of "shonks".
(16) Treatment with IL-1 alpha also inhibited insulitis and hyperglycemia induced by adoptive transfer of pathogenic, polyclonal CD4+8- T cells.
(17) In conclusion, there is a reasonable chance that retirement plan assets in Delaware qualified plans are insulated from judgment creditors, but the best course is to maintain adequate insurance protection and follow an aggressive prejudgment strategy in serious cases so you don't have to resolve the issue in a bankruptcy proceeding.
(18) The incidence of insulation break in this polyurethane unipolar electrode is uncommon and occurs at further stress points.
(19) Subsequent histological examination of pancreatic tissues revealed that autoimmune insulitis was prevented in E alpha d backcross and transgenic mice but not in A beta k transgenic mice.
(20) These results confirmed the presence of type C retrovirus in non-obese diabetic mouse Beta cells and suggest a role for retrovirus in the development of insulitis and diabetes in these mice.