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Quantitative Proteomics Using Ultralow Flow Capillary Electrophoresis–Mass Spectrometry

16-Apr-2015 | Klaus Faserl; Leopold Kremser; Martin Müller; David Teis; Herbert H. Lindner, Analytical Chemistry, 2015

In this work, we evaluate the incorporation of an ultralow flow interface for coupling capillary electrophoresis (CE) and mass spectrometry (MS), in combination with reversed-phase high-pressure liquid chromatography (HPLC) fractionation as an alternate workflow for quantitative proteomics. ...


Kinetics and equilibria of the chromatographic separation of maltose and trehalose

15-Apr-2015 | Dengjun He, Jiachun Zhou, Quanming Xia, Lihua Jiang, Yongjun Qiu, Liming Zhao, Journal of Separation Science, 2015

Trehalose, a non‐reducing disaccharide, has been extensively applied to food, cosmetics and pharmaceutical goods. The resultant solution of trehalose prepared by enzymatic methods includes high amounts of maltose. However, it is quite difficult to separate maltose and trehalose on an industrial ...


Membrane-Based Osmotic Heat Engine with Organic Solvent for Enhanced Power Generation from Low-Grade Heat

14-Apr-2015 | Evyatar Shaulsky; Chanhee Boo; Shihong Lin; Menachem Elimelech, Environmental Science & Technology, 2015

We present a hybrid osmotic heat engine (OHE) system that uses draw solutions with an organic solvent for enhanced thermal separation efficiency. The hybrid OHE system produces sustainable energy by combining pressure-retarded osmosis (PRO) as a power generation stage and membrane distillation ...


Effect of co‐solvents on the photovoltaic performance of an inverted organic solar cell

07-Apr-2015 | Sarita S. Nair, D. Kumar, Amitava Majumdar, Polymer Engineering and Science, 2015

We investigated the effect of varying polymer crystallinity, morphology, and optical property, produced by adding four different co‐solvents in to the poly(3‐hexylthiophene) (P3HT): [6,6]‐phenyl C61‐butyric acid methyl ester (PCBM) active layer blend solution, on the functioning of an inverted ...


The application of polyethyleneimine draw solution in a combined forward osmosis/nanofiltration system

31-Mar-2015 | Byung‐Moon Jun, Thi Phuong Nga Nguyen, Soo‐Hyun Ahn, In‐Chul Kim, Young‐Nam Kwon, Journal of Applied Polymer Science, 2015

ABSTRACT The objective of this study is to investigate the effect of solution chemistry of branched polyethyleneimine (PEI) draw solute and to evaluate the PEI draw solute in a combined forward osmosis (FO)/nanofiltration (NF) system. Pure water was extracted from feed solution using the FO ...


Separation of the Acid‐sugar Mixtures by Using Acid Retardation and further Concentration of the Eluents by Using Continuous‐effect Membrane Distillation

30-Mar-2015 | Jianjun Liu, Yingjie Qin, Pingli Li, Kunming Zhang, Qing Liu, Liqiang Liu, Journal of Chemical Technology & Biotechnology, 2015

Abstract BACKGROUND A major cost in acid‐catalysed hydrolysis of biomass to fermentable sugars is the consumption of acid itself. In this study, a combined process was developed, in which the acid and sugar in the hydrolysate were separated by using acid retardation process and then the ...


Effect of membrane and process characteristics on cost and energy usage for separating alcohol‐water mixtures using hybrid vapor stripping‐vapor permeation process

30-Mar-2015 | Leland M. Vane, Franklin R. Alvarez, Journal of Chemical Technology & Biotechnology, 2015

ABSTRACT BACKGROUND Alcohols, including ethanol and butanol, are receiving increased attention as renewable liquid biofuels. Alcohol concentrations may be low in a biological process due to product inhibition and, for non‐starch feedstocks, limited substrate concentrations. The result is ...


Modeling and simulation of membrane separation process using computational fluid dynamics

29-Mar-2015 | Author(s): Kambiz Tahvildari , Seyed Mohammad Reza Razavi , Hamed Tavakoli , Ashkan Mashayekhi , Reza Golmohamm ..., Arabian Journal of Chemistry, 2015

Publication date: Available online 26 February 2015 Source:Arabian Journal of Chemistry Author(s): Kambiz Tahvildari , Seyed Mohammad Reza Razavi , Hamed Tavakoli , Ashkan Mashayekhi , Reza Golmohammadzadeh , Mahmoud Gholam Samani Separation of CO2 from air was simulated in this work. ...


IJMS, Vol. 16, Pages 6911-6931: Functionalization of Magnetite Nanoparticles as Oil Spill Collector

26-Mar-2015 | Atta, Ayman M.; Al-Lohedan, Hamad A.; Al-Hussain, Sami A., International Journal of Molecular Sciences, 2015

In the present study, a new magnetic powder based on magnetite can be used as a petroleum crude oil collector. Amidoximes based on rosin as a natural product can be prepared from a reaction between hydroxylamine and rosin/acrylonitrile adducts. The produced rosin amidoximes were used as capping ...


In‐capillary self‐assembly study of quantum dots and protein using fluorescence coupled capillary electrophoresis

25-Mar-2015 | Jianhao Wang, Jingyan Li, Jinchen Li, Yuqin Qin, Cheli Wang, Lin Qiu, Pengju Jiang, ELECTROPHORESIS, 2015

As a vast number of novel materials in particular inorganic nanoparticles have been invented and introduced to all aspects of life, public concerns about how they might affect our ecosystem and human life continue to arise. Such incertitude roots at a fundamental question of how inorganic ...


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