نتایج جستجو برای: ion selective electrodes

تعداد نتایج: 429332  

2014
Yuki Kitagawa Keiji Kato Masahiro Fukui

This paper discusses the theory and experiments of heating and air cooling of battery modules. The heating mechanisms are shown first. Then, cooling of a single battery is examined. Optimum air flow speed is discussed. © 2014 The Authors. Published by Elsevier Ltd. Peer-review under responsibility of the Scientific Committee of IICST 2014.

2001
Erno Lindner Robert E. Gyurcsányi Bradford D. Pendley

The pH-sensitive chromoionophores brought the dream of the ion-selective membrane scientist close to realization. With the help of these molecules, one can build pH-sensitive, ion-selective electrodes and look into the bulk of solvent polymeric membranes during potentiometric measurements (spectropotentiometry) and image concentration profiles in situ with high spatial and temporal resolution. ...

Journal: :Electrophoresis 2013
Nurul Amziah Md Yunus Hossein Nili Nicolas G Green

Dielectrophoresis is the movement of particles in nonuniform electric fields and has been of interest for application to manipulation and separation at and below the microscale. This technique has the advantages of being noninvasive, nondestructive, and noncontact, with the movement of particle achieved by means of electric fields generated by miniaturized electrodes and microfluidic systems. A...

Journal: :American journal of physiology. Cell physiology 2008
Tin-Han Shih Jiun-Lin Horng Pung-Pung Hwang Li-Yih Lin

The mechanism of ammonia excretion in freshwater teleosts is not well understood. In this study, scanning ion-selective electrode technique was applied to measure H(+) and NH(4)(+) fluxes in specific cells on the skin of zebrafish larvae. NH(4)(+) extrusion was relatively high in H(+) pump-rich cells, which were identified as the H(+)-secreting ionocyte in zebrafish. Minor NH(4)(+) extrusion wa...

Journal: :Clinical chemistry 1997
E N Hristova N N Rehak S Cecco M Ruddel D Herion M Eckardt M Linnoila R J Elin

Chronic alcoholism is associated with a marked deficit in total magnesium (tMg). However, little is known about the status of the physiologically active form, ionized magnesium (iMg). We assessed serum iMg (measured with two ion-selective electrodes, AVL 988-4 and NOVA CRT) and tMg concentrations in chronic alcoholics at admission (n = 31) and after abstinence (n = 13) and compared these result...

2010
Massoud Amanlou Maedeh Hosseinpour Homa Azizian Mohammad Reza Khoshayand Mojtaba Navabpoor Effat Souri

Fluoride is recognized as an effective agent for dental caries prevention. Generally, the main source of fluoride intake is drinking water. In this study, fluoride content in 18 commercial brands of bottled waters was investigated. Six samples from each batch of 18 Iranian commercial brands of bottled waters were supplied. The fluoride content of samples was analyzed by Fluoride Ion Selective E...

Journal: :Analytical chemistry 2004
Zdenek Samec Hubert H Girault

Two-phase liquid system IA(w)|IX(o) comprising the interface between the aqueous solution (w) of uni-univalent electrolyte IA and an organic solvent solution (o) of a uni-univalent electrolyte IX with the common cation I(+) is considered as a simple model of a liquid-membrane ion-selective electrode (ISE). Taking into account the electroneutrality and mass balance conditions, the equilibrium Ga...

Journal: :Chemical communications 2015
Tea-Yon Kim Wei Wei Woohyung Cho Sungjin Lee Jongok Won Yong Soo Kang

A poly(3,4-ethylenedioxythiophene)-b-poly(ethylene glycol) (PEDOT-b-PEG) block copolymer doped with perchlorate on FTO shows excellent optical and interfacial performance as a counter electrode (CE), such as low charge transfer resistance and low reflectivity for polymer electrolyte-based solid-state dye-sensitized solar cells (DSCs), resulting in 8.45% energy conversion efficiency, greater tha...

2008
PRABHAKARA RAO

The stability constants of Cu'(l1) glycine complexes in 0.7 M NaC104 and 0.7M NaN03 media were evaluated using Cu ( 1 1 ) ion selective electrode. The stability constant data are consistent with earlier reports of other metal ion complexes of glycine. The distribution level of Cu ( 1 1 ) glycine complexes in presence of other complexing ligands of marine environment has also been numerically ev...

2009
Yang Lu Yuanyuan Li Song He Yan Lu Changying Liu Xianshun Zeng Langxing Chen

Three novel phenyltelluroalkoxyl functionalized tweezer-like calix[4]arenes 6-8 and two monophenyltelluropropoxyl functionalized calix[4]arenes 10 (cone conformer) and 12 (partial cone conformer) were synthesized and characterized. They are good Ag(+)-selective ionophores in ion-selective electrodes evaluated by electromotive force measurements of polymer membrane electrodes. The tweezer-like i...

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