Disease relevance of Electric Conductivity

• STUDY DESIGN: One hundred ninety-five infants of women with gestational diabetes mellitus and 220 infants of women with normal glucose tolerance had anthropometric measurements and total body electrical conductivity body composition evaluations at birth [1].
• The induction of channels across planar lipid bilayers by purified, recombinant pneumolysin (a hemolytic protein from Streptococcus pneumoniae) has been studied by measuring increases in electrical conductivity [2].
• Comparison of treatment of mastitis by oxytocin or antibiotics following detection according to changes in milk electrical conductivity prior to visible signs [3].
• Hypertrophy of DLC, along with increases in the numbers of bridges within their clefts, showed that the mechanism by which dopamine increased electrical conductivity involved neuronal actin [4].

High impact information on Electric Conductivity

• Here we report the percolation threshold for molten iron-sulphur compounds of approximately 5 vol.% in solid olivine, based on electrical conductivity measurements made in situ at high pressure and temperature [5].
• The I(V) characteristics of MIM structures formed with these SAMs are measured and simulated according to theoretical tunneling models for electrical conductivity through thin organic layers [6].
• Our electrical conductivity measurements of fluid oxygen under dynamic quasi-isentropic compression show that a nonmetal-metal transition occurs at 3.4 fold compression, 4500 K, and 1.2 Mbar [7].
• Measurements of the mass uptake, thickness change, and electrical conductivity of such composites indicate that swelling of the polymer film, and thus its normalized resistance response, is beyond that expected by mass uptake alone upon exposure to acetic acid vapor [8].
• This, along with a favorable electric conductivity of the carrier electrolyte solution, contributed to a 20 nmol/L (2.5 ppb) limit of detection for bromate in the CZE stage [9].

Biological context of Electric Conductivity

• Effects of milking interval on electrical conductivity, chloride, sodium, potassium, lactose, and somatic cell counts of milk were determined [10].
• Local anaesthetic carbisocaine decreased the electrical conductivity of gramicidin channels in planar lipid membrane made from bovine brain total lipids in n-hexane at the concentration (1.6 +/- 1.3) X 10(-5) mol/l, which is similar to that found to block propagation of action potential on the sciatic nerve [11].
• Influence of temperature, electrical conductivity, power and pH on ascorbic acid degradation kinetics during ohmic heating using stainless steel electrodes [12].
• Cadmium induced oxidative stress, which was indicated by increase in lipid peroxidation and electrical conductivity with increase in metal concentration and exposure duration [13].
• Two electrical conductivity methods of hematocrit (H) measurement, Coulter Counter (CCH) and lonometer (IH), were compared to the microhematocrit (MH) with two different anticoagulants, Li Heparin (Li) and EDTA [14].

Anatomical context of Electric Conductivity

• Effect of miconazole on the electrical conductivity of bilayer membranes [15].
• Compared with controls, total body electrical conductivity measurements indicated significantly higher body fat %, lower lean body mass and fat-free mass in MR offspring besides elevated plasma triacylglycerols [16].
• The measurement of changes of electrical conductivity in the external medium of isolated mesophyll protoplasts of Vicia faba, tissue disks of red beetroot (Beta vulgaris), and intact duckweed plants (Lemna gibba) was used to determine nonspecific electrolyte efflux [17].
• The loosely bound proteins from human erythrocyte membranes induce an up to more than 103-fold increase in the electrical conductivity of black lipid membranes made from oxidized cholesterol [18].
• Measurements of the quasistatic and frequency dependent electrical conductivity below 1 MHz were carried out on wet-spun, macroscopically oriented, calf thymus deoxyribonucleic (DNA) and umbilical cord hyaluronic acid (HA) bulk samples [19].

Associations of Electric Conductivity with chemical compounds

• They enhanced the electrical conductivity of the medium only slightly so that a new cell electrophoresis separation medium could be prepared, which contained 30 mM NaCl together with or without 1 mM CaCl2 but did not generate problems of overheating the fluid [20].
• Electrical conductivity across a polyacrylamide-filled capillary decreases during the separation of DNA sequencing fragments [21].
• This is consistent with electrical conductivity measurements, which demonstrate that this material is highly sensitive to the presence of a reducing gas such as carbon monoxide [22].
• Mesoporous silicon doped with 3.0 x 10(19) B atoms cm-3 (p(+)-type) is an insulating material which dramatically increases its electrical conductivity when exposed to traces of gaseous NO2; nitrogen dioxide chemisorption at the surface generates carriers, the population of which is readily evaluated through the intensity of IR absorption [23].
• Electrical conductivity measurements of neutral phenyl viologen, the first such measurements of a neutral viologen, reveal that it is a significantly better conductor than the radical cation [24].

Gene context of Electric Conductivity

• Culture medium containing up to 100 ng/ml of IL-1 beta or IL-6 was inoculated with A. actinomycetemcomitans (serotypes a, b and c) or P. gingivalis and growth was monitored by measuring changes in electrical conductivity every 3 min for up to 48 h [25].
• Cell model calculations for the electrophoretic mobility, electrical conductivity and sedimentation potential in concentrated suspensions of colloidal particles with low zeta potentials are reviewed with particular emphasis on an Onsager relation between sedimentation potential and electrophoretic mobility [26].
• In this study, soil organic carbon was extracted with electrolytes (deionized H2O and Na- or Ca-based electrolytes) of electrical conductivity bracketing those found in Delta leaching and runoff conditions [27].
• CONCLUSION: Changes in FFM, assessed by total body electrical conductivity, were different from the results obtained by classic nitrogen balance [28].
• The resulting TEM specimens have a self-supporting structure, good thermal and electrical conductivity while showing a well-polished surface resulting from the ion milling process [29].

Analytical, diagnostic and therapeutic context of Electric Conductivity

• PURPOSE: To determine whether combining acetic acid instillation before radiofrequency (RF) ablation can improve local tissue electrical conductivity, RF energy deposition, intratumoral heating, and tumor necrosis in a large animal model [30].
• The rate of OH radical-induced strand break formation of single-stranded poly(U) in N2O/O2-saturated aqueous solution was studied by measuring the time-dependence of the electrical conductivity following pulse radiolysis [31].

References