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Advanced Materials, EarlyView.Metal‐free carbon catalysts enable the sustainable synthesis of hydrogen peroxide via two‐electron oxygen reduction; however, active site complexity continues to hinder reliable interpretation. This review critiques correlation‐based approaches and highlights the importance of orthogonal experimental designs, standardized catalyst passports ...
Dayu Zhu +3 more
wiley +1 more source
Effect of Nanopatterning on Concentration Polarization During Nanofiltration [PDF]
Membranes, 2021 Membranes used for desalination still face challenges during operation. One of these challenges is the buildup of salt ions at the membrane surface. This is known as concentration polarization, and it has a negative effect on membrane water permeance and
Steven T Weinman, Lauren M Ward
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Concentration and Temperature Polarization Effects During Osmotic Membrane Distillation
Journal of Membrane Science, 2008 Pineapple juice is one of the popular fruit juice due to its pleasant aroma and flavor. Concentration of clarified pineapple juice was carried out by osmotic membrane distillation in a plate and frame membrane module.
K S M S Raghavarao, N K Rastogi
exaly +3 more sources
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Topological polarization selection concentrator
Optics Letters, 2022Topological polarization selection devices, which can separate topological photonic states of different polarizations into different positions, play a key role in the field of integrated photonics. However, there has been no effective method to realize such devices to date.
Hongyu Zhang, Yuhan Zhang, Cuicui Lu
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Teorell instability in concentration polarization
Physical Review E, 2015We investigate the development of electro-osmotic (Teorell) oscillations at a weakly charged microporous membrane without a preimposed transmembrane electrolyte concentration drop. This drop, necessary for the occurrence of oscillations, develops spontaneously as a result of concentration polarization in the solution layers adjacent to the membrane.
Ramadan, Abu-Rjal +3 more
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Concentration polarization and fouling
Desalination, 1980Abstract Concentration polarization is often the reason for the serious limitation of the membrane processes due to its negative influence on the transmembrane flux. Many theoretical studies on this polarization phenomena have resulted in mathematical models for concentration polarization.
Einar Matthiasson, Björn Sivik
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Nanopore Concentration Polarization
Volume 13: Nano-Manufacturing Technology; and Micro and Nano Systems, Parts A and B, 2008Nanopores offer the potential for label-free analysis of individual proteins and low cost DNA sequencing. In order to design and evaluate nanopore devices, an understanding of nanopore electrokinetic transport is crucial. However, most studies of nanopore electrokinetic transport have neglected the effects of concentration polarization (CP) in the bulk
AmirAli H. Talasaz +2 more
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A nanochannel‐based concentrator utilizing the concentration polarization effect
ELECTROPHORESIS, 2008AbstractThis study develops a microfluidic device comprising two microchannels connected by a nanochannel in which the sample is concentrated via an ionic depletion effect. Using Rhodamine 6G dye for visualization purposes, it is shown that through an appropriate manipulation of the external potentials applied to the reservoirs of the device, an ionic ...
Kuan-Da, Huang, Ruey-Jen, Yang
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Extended space charge in concentration polarization
Advances in Colloid and Interface Science, 2010This paper is concerned with ionic currents from an electrolyte solution into a charge-selective solid, such as, an electrode, an ion-exchange membrane or an array of nano-channels in a micro-fluidic system, and the related viscous fluid flows on the length scales varying from nanometers to millimeters.
Isaak, Rubinstein, Boris, Zaltzman
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