Electrical impedance spectroscopy
Cloud point in non-ionic surfactants probed by electrical impedance spectroscopy.
... CLOUD POINT IN NON-IONIC SURFACTANTS PROBED BY ELECTRICAL IMPEDANCE SPECTROSCOPY. In this paper, we analyze the use of electrical impedance spectroscopy applied to determination ...
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Characterization of Physiological Glucose Concentration Using Electrical Impedance Spectroscopy
... Blood for every 25mg/dl change of glucose in total 150ml solution. A rectangular current pulse of 1.5s duration with 1mA peak is applied to the solutions and corresponding voltage is acquired across the solutions with ...
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J. Braz. Chem. Soc. vol.27 número1
... and electrical impedance spectroscopy (EIS) at different external direct current (DC) polarization (100 mV and 1 ...DC electrical stimulation and inversely to the amount of released ...and ...
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Dielectric and electrical properties of a mulliteglass composite from a kaolinite claymica-rich kaolin waste mixture (Propriedades dielétricas e elétricas de compósito mulitafase vítrea obtido a partir de uma mistura argila cauliníticaresíduo de caulim)
... and electrical properties were studied by impedance spectroscopy in ...air. Impedance spectra were acquired at 25 °C and from 300 to 600 °C under open circuit conditions using a Hewlett ...
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Mat. Res. vol.16 número4
... electrochemical impedance measurements in brine media, at two temperatures and under presence/absence of carbon ...electrochemical impedance results were initially tested using the Kramers-Kronig transform ...
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Complementary study on the electrical and structural properties of poly(3-alkylthiophene) and its copolymers synthesized on ITO by electrochemical impedance and Raman spectroscopy
... Electrochemical impedance spectroscopy (EIS) was used to monitor the change in the electrochemical behavior of these films on the ITO and the charge transfer resistance (R CT ) values were determined in ...
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J. Braz. Chem. Soc. vol.23 número3
... The electrodeposition of PPy on aluminium has been achieved in phosphoric acid medium using potentiodynamic, galvanostatic and potentiostatic techniques. The protection of Al against corrosion is closely depended on the ...
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J. bras. pneumol. vol.41 número2
... B, electrical impedance tomography scans showing that the use of a higher PEEP prevented airway collapse an expiratory flow curve indicative of airway obstruction; in C, an expiratory flow curve indicative ...
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Effects of Three-Month Intake of Synbiotic on Inflammation and Body Composition in the Elderly: A Pilot Study
... bioelectric impedance with vectorial analysis (BIVA), IL-6 and TNF- ...of electrical impedance (BIVA) demonstrated that the majority of SYN individuals maintained or improved their tissue hydration, ...
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Electrical Impedance Measurements of DNA Molecules and Gold Nanoparticles at low Temperatures
... Strand breaks occur naturally in the deoxyribonucleic acid (DNA) chain. Studies have shown that the amount of breaks increases with exposure to ultraviolet (UV) light. Additionally, it has been shown that low energy ...
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J. Braz. Chem. Soc. vol.16 número3B
... the impedance values are considerably larger than at pH ...higher impedance values and also the fact that the decrease of the modulus is limited to a 5-fold reduction (instead of 25 at pH ...the ...
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Geophysical researches for identification of hidden faults in the western region of Banesh, Fars, Iran
... After interpreting sounding curves and determining the depth and actual electrical resistivity of subsurface layers in each pro- file, we can draw the geoelectric section of that profile. The geoelectric section ...
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Bioelectrical impedance spectroscopy for the assessment of body fluid volumes of term neonates
... Bioelectrical impedance measures electric parameters (i.e., resistance and reactance) and this information is converted to a volume esti- mate based on the conductor volume prin- ciple. This theory assumes that ...
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Accelerated Aging Tests Combined with EIS as a Tool For Investigating the Tinplate Cans Degradation Process
... Since this type of tests is merely visual they do not provide quantitative information about the degradation process of cans. Moreover, these tests are considerably time consuming, which delays the mass production of the ...
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Effect of different breathing aids on ventilation distribution in adults with cystic fibrosis.
... For spatial distribution EIT results are expressed as the percentage of ventilation directed to the right parts of the lung. For filling characteristics FI-values of the right parts of the lung are reported. Changes in ...
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Electrical characterization of electronic interfaces to communicate with electrogenic cells in vitro
... The DC level of the noise provides relevant information about cell death or cell detachment from the surface. The addition of a high dose of dopamine often causes some cell mortality. As cells detach from the surfaces ...
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Braz. J. Phys. vol.28 número4
... Techniques based upon the electrical response of the quartz crystal microbalance (QCM) have been widely used in laboratories as routine tools. In this article we present and discuss applications of the QCM (or its ...
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Hybrid Microfluidic Platform for Multifactorial Analysis Based on Electrical Impedance, Refractometry, Optical Absorption and Fluorescence
... of impedance-based analysis alone can be limited by specific cell properties that make their identification less accurate, such as cell age, shape, size, chemical composition, infection stage, media conductivity, ...
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Thoracic electrical bioimpedance in the follow-up of patients with cardiovascular disorders
... In clinical practice, thoracic electrical bio- impedance has been applied in diagnostic, therapeutic, and prognostic use in patients with heart failure and hypertension, patients with [r] ...
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GOOD LABORATORY PRACTICE
... The impedance principle of blood cell counting is based on the increased resistance that occurs when a blood cell with poor conductivity passed through an electrical ...
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