Buffer standards for the physiological pH of N,N-bis(2-hydroxyethyl)-2-aminoethanesulfonic acid (BES) from (278.15 to 328.15) K [0.03%]
N，N-双（2-羟乙基）-2-氨基乙烷磺酸（BES）的生理pH缓冲溶液标准物质的量值溯源与复现(278.15至328.15)K
Rabindra N Roy,Lakshmi N Roy,Jessica M Stegner et al.
Rabindra N Roy et al.
This paper reports the results for the pH of six buffer solutions free of chloride ion with compositions: (a) BES (0.03 mol·kg(-1)) + NaBES (0.09 mol·kg(-1)); (b) BES (0.02 mol·kg(-1)) + NaBES (0.04 mol·kg(-1)); (c) BES (0.04 mol·kg(-1...
Effective drift and diffusion of a particle jumping between mobile and immobile states [0.03%]
在移动和非移动状态之间跃迁的粒子的有效漂移和扩散
Alexander M Berezhkovskii,Sergey M Bezrukov
Alexander M Berezhkovskii
We study propagation of a particle that jumps between two states, in which it moves with different velocities and diffusion coefficients. To simplify analysis, in the main part of the paper we derive formulas assuming that in one of the sta...
Electrochemical Oscillations of Nickel Electrodissolution in an Epoxy-Based Microchip Flow Cell [0.03%]
镍在基于环氧树脂的芯片式流动电池中的电化学振荡行为研究
Alexander G Cioffi,R Scott Martin,István Z Kiss
Alexander G Cioffi
We investigate the nonlinear dynamics of transpassive electrodissolution of nickel in sulfuric acid in an epoxy-based microchip flow cell. We observed bistability, smooth, relaxation, and period-2 waveform current oscillations with external...
Simultaneous Stripping Detection of Pb(II), Cd(II) and Zn(II) Using a Bimetallic Hg-Bi/Single-Walled Carbon Nanotubes Composite Electrode [0.03%]
一种用于同时检测Pb(II)、Cd(II)和Zn(II)的Hg-Bi/CNTs复合电极的新方法研究
Ruizhuo Ouyang,Zhenqian Zhu,Clarissa E Tatum et al.
Ruizhuo Ouyang et al.
A new, sensitive platform for the simultaneous electrochemical assay of Zn(II), Cd(II) and Pb(II) in aqueous solution has been developed. The platform is based on a new bimetallic Hg-Bi/single-walled carbon nanotubes (SWNTs) composite modif...
Generalized Selectivity Description for Polymeric Ion-Selective Electrodes Based on the Phase Boundary Potential Model [0.03%]
基于相界电位模型的聚合物离子选择性电极特异性的广义描述方法研究
Eric Bakker
Eric Bakker
A generalized description of the response behavior of potentiometric polymer membrane ion-selective electrodes is presented on the basis of ion-exchange equilibrium considerations at the sample-membrane interface. This paper includes and ex...
Electrochemical Ionization and Analyte Charging in the Array of Micromachined UltraSonic Electrospray (AMUSE) Ion Source [0.03%]
微机电超声雾化电喷离子源中的分析物电离和带电现象研究
Thomas P Forbes,F Levent Degertekin,Andrei G Fedorov
Thomas P Forbes
Electrochemistry and ion transport in a planar array of mechanically-driven, droplet-based ion sources are investigated using an approximate time scale analysis and in-depth computational simulations. The ion source is modeled as a controll...
Gregory S McCarty,Benjamin Moody,Matthew K Zachek
Gregory S McCarty
The ability to quickly and inexpensively fabricate planar solid state nanogaps has enabled research to be effectively performed on devices down to just a few nanometers. Here, nanofabricated electrode pairs with electrode-to-electrode spaci...
Peter A Kottke,Christine Kranz,Yong Koo Kwon et al.
Peter A Kottke et al.
We have developed a theoretical description of the amperometric response of ultramicroelectrode (UME) biosensors formed via enzyme entrapment. Our model allows for multiple enzymes and co-substrates, and results in a closed-form analytical ...
Theory of Polymer Entrapped Enzyme Ultramicroelectrodes: Application to Glucose and Adenosine Triphosphate Detection [0.03%]
理论研究：用于检测葡萄糖和三磷酸腺苷的固定化酶超微电极传感器
Peter A Kottke,Christine Kranz,Yong Koo Kwon et al.
Peter A Kottke et al.
We validate, by comparison with experimental data, a theoretical description of the amperometric response of microbiosensors formed via enzyme entrapment. The utility of the theory is further illustrated with two relevant examples supported...
Theory and Computer Simulation of the Time-Dependent Selectivity Behavior of Polymeric Membrane Ion-Selective Electrodes [0.03%]
聚合物膜离子选择性电极时间依赖性选择行为的理论与计算机模拟研究
W E Morf,E Pretsch,N F De Rooij
W E Morf
A theoretical treatment of the time-dependent potential response of ion-selective electrodes to sample solutions containing primary and interfering ions is presented. The theory accounts for the influence of ion fluxes in the electrode memb...