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Formation of a CdO Layer on CdS/ZnO Nanorod Arrays to Enhance their Photoelectrochemical Performance

16-10-2014 | Thanh Khue Van, Long Quoc Pham, Do Yoon Kim, Jin You Zheng, Dokyoung Kim, Amol U. Pawar, Young Soo Kang, ChemSusChem, 2014

Abstract The performance and photocatalytic activity of the well‐known CdS/ZnO nanorod array system were improved significantly by the layer‐by‐layer heterojunction structure fabrication of a transparent conductive oxide (TCO) CdO layer on the CdS/ZnO nanorods. Accordingly, a CdO layer with a ...


Interfacial Separation and Characterization of Al‐PE Composites During Delamination of Post‐consumer Tetra Pak Materials

15-10-2014 | Sufeng Zhang, Ke Luo, Lulu Zhang, Xingxian Mei, Shumiao Cao, Baiji Wang, Journal of Chemical Technology & Biotechnology, 2014

Abstract Background In order to understand more details of the Al‐PE composite delaminating during the separation process for enriching the present theoretical analysis of of Al‐PE separation and providing new ideas for the recycle and reuse of post‐consumer Tetra Pak, interfacial separation ...


Generalized Gaussian reference curve measurement model for high‐performance liquid chromatography with diode array detector separation and its solution by multi‐target intermittent particle swarm optimization

13-10-2014 | Lizhi Cui, Zhihao Ling, Josiah Poon, Simon K. Poon, Hao Chen, Junbin Gao, Paul Kwan, Kei Fan, Journal of Chemometrics, 2014

In order to separate a high‐performance liquid chromatography with diode array detector (HPLC‐DAD) data set to chromatogram peaks and spectra for all compounds, a separation method based on the model of generalized Gaussian reference curve measurement (GGRCM) and the algorithm of multi‐target ...


Thin-film composite membranes for organophilic nanofiltration based on photo-cross-linkable polyimide

12-10-2014 | Author(s): Sven Behnke , Mathias Ulbricht, Reactive and Functional Polymers, 2014

Publication date: Available online 8 October 2014 Source:Reactive and Functional Polymers Author(s): Sven Behnke , Mathias Ulbricht This work demonstrates that it is possible to prepare new, competitive thin-film composite (TFC) membranes with a polyolefin ultrafiltration membrane as ...


Simultaneous Determination of Cu‐EDTA and Its Degradation Intermediates by Capillary Electrophoresis with a Capacitively Coupled Contactless Conductivity Detector

08-10-2014 | Shenyu Lan, Ya Xiong, Shuanghong Tian, Lianpeng Sun, Tianyao Xie, Xin Wang, Lingjun Kong, Electroanalysis, 2014

Abstract A method of capillary electrophoresis (CE) with capacitively coupled contactless conductivity detector (C4D) was developed to detect Cu‐EDTA and its degradation intermediates simultaneously. The target compounds included oxalic acid, EDTA, Cu‐EDTA, glyoxylic acid, iminodiacetic acid, ...


Supercritical CO2 Extraction of 1‐Butanol and Acetone from Aqueous Solutions Using a Hollow‐Fiber Membrane Contactor

08-10-2014 | Teresa Moreno, Stephen J. Tallon, Owen J. Catchpole, Chemical Engineering & Technology, 2014

Abstract Porocritical extraction was applied to the separation of 1‐butanol and acetone from aqueous solutions modeling a typical acetone‐butanol‐ethanol (ABE) fermentation broth. The efficiency of two lab‐scale hollow‐fiber membrane contactors of different was studied under various flow ...


Capacitance‐to‐Digital: The upgrades of single chip detector

07-10-2014 | Tomas Drevinskas, Audrius Maruška, Vitalis Briedis, ELECTROPHORESIS, 2014

The capacitance‐to‐digital single chip detector was upgraded. The paper discusses hardware issues and benefits of the designed/ upgraded detector. The device can be operated from rechargeable lithium‐ion battery as stand‐alone, portable system and is capable of transmitting real‐time data ...


Chemotactic Separation of Enzymes

01-10-2014 | Krishna Kanti Dey; Sambeeta Das; Matthew F. Poyton; Samudra Sengupta; Peter J. Butler; Paul S. Cremer; Ayusman Sen, ACS Nano, 2014

We demonstrate a procedure for the separation of enzymes based on their chemotactic response toward an imposed substrate concentration gradient. The separation is observed within a two-inlet, five-outlet microfluidic network, designed to allow mixtures of active (ones that catalyze substrate ...


A novel lead ion‐imprinted chelating nanofiber: Preparation, characterization, and performance evaluation

30-09-2014 | Lanyan Tong, Jida Chen, Youyou Yuan, Zehua Cui, Mianfu Ran, Qian Zhang, Juan Bu, Fengqing Yang, Xinhong Su, Huan Xu, Journal of Applied Polymer Science, 2014

ABSTRACT A novel Pb(II) ion‐imprinted chelating nanofibers (nIIP), synthesized by combining electrospinning with surface ion imprinting technique, was reported in this study. nIIP was characterized with Fourier transmission infrared spectrometry and scanning electron microscopy, respectively. ...


Efficient calculation of relative binding free energies by umbrella sampling perturbation

30-09-2014 | Fabian Zeller, Martin Zacharias, Journal of Computational Chemistry, 2014

An important task of biomolecular simulation is the calculation of relative binding free energies upon chemical modification of partner molecules in a biomolecular complex. The potential of mean force (PMF) along a reaction coordinate for association or dissociation of the complex can be used to ...


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