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Chemical physics behind phthalocyanine–gold nanoparticle interaction and its effect over supramolecular interaction between PC70BM and phthalocyanine in solution

04-Oct-2015 | Author(s): Anamika Ray, Sumanta Bhattacharya, Chemical Physics Letters, 2015

Publication date: 16 October 2015 Source:Chemical Physics Letters, Volume 639 Author(s): Anamika Ray, Sumanta Bhattacharya Zinc phthalocyanine (ZnPc) is shown to form charge transfer complex with gold nanoparticles (AuNps) in toluene. Significant enhancement in quantum yield of ...


Mass transfer in electromembrane extraction – The link between theory and experiments

30-Sep-2015 | Chuixiu Huang, Henrik Jensen, Knut Fredrik Seip, Astrid Gjelstad, Stig Pedersen‐Bjergaard, Journal of Separation Science, 2015

Electromembrane extraction was introduced in 2006 as a totally new sample preparation concept for extraction of charged analytes present in aqueous samples. Electromembrane extraction is based on electrokinetic migration of the analytes through a supported liquid membrane and into a μL‐volume of ...


Phase Equilibria of the NaOH–NaBO2–Na2CO3–H2O System at 30 °C, 60 °C, and 100 °C

30-Sep-2015 | Shiyue Qin; Baowen Yin; Yifei Zhang; Yi Zhang, Journal of Chemical & Engineering Data, 2015

Equilibrium data of the NaOH–NaBO2–Na2CO3–H2O quaternary system at 30 °C, 60 °C, and 100 °C were measured by an isothermal method. The phase diagrams at 30 °C and 100 °C were constructed, and the crystallization zones were discussed. In the phase diagram, the quaternary system has two invariant ...


Toward Additive‐Free Small‐Molecule Organic Solar Cells: Roles of the Donor Crystallization Pathway and Dynamics

29-Sep-2015 | Maged Abdelsamie, Neil D. Treat, Kui Zhao, Caitlin McDowell, Mark A. Burgers, Ruipeng Li, Detlef‐M. Smilgies, Natali ..., Advanced Materials, 2015

The ease with which small‐molecule donors crystallize during solution processing is directly linked to the need for solvent additives. Donor molecules that get trapped in disordered (H1) or liquid crystalline (T1) mesophases require additive processing to promote crystallization, phase ...


Enhancement of mechanical and thermal properties of (Poly[vinyl alcohol])‐Dialdehyde starch composites via the incorporation of montmorillonite nanofillers

23-Sep-2015 | Soo‐Tueen Bee, Lee Tin Sin, Su‐Luang Khor, Kien‐Sin Lim, Abdul Razak Rahmat, Journal of Vinyl and Additive Technology, 2015

This study was conducted to investigate the effects of nano‐size montmorillonite (MMT) in poly(vinyl alcohol)‐(dialdehyde starch) (PVOH‐DAS) blending system. DAS was initially synthesized through periodate oxidation method, followed by a solution casting procedure to prepare a PVOH‐DAS‐MMT blend ...


Phase Segregation in Individually Dried Particles Composed of Biopolymers

23-Sep-2015 | Marine Nuzzo; Jakob Sloth; Björn Bergenstahl; Anna Millqvist-Fureby, Langmuir, 2015

Mixing of two biopolymers can results in phase separation due to their thermodynamically incompatibility under certain conditions. This phenomenon was first reported when the solution was allowed to equilibrate, but it has later been observed also as a consequence of drying. The challenges of ...


Preparation of HMWCNT/PLLA nanocomposite scaffolds for application in nerve tissue engineering and evaluation of their physical, mechanical and cellular activity properties

22-Sep-2015 | Shokoufeh Mounesi Rad, Mohammad Taghi Khorasani, Morteza Daliri Joupari, Polymers for Advanced Technologies, 2015

This study was aimed to prepare biodegradable and porous nanocomposite scaffolds with microtubular orientation structure as a model for nerve tissue engineering by thermally induced phase separation (TIPS) method using dioxane as the solvent, crystalline poly (L-lactic acid) (PLLA) and ...


Preparation of chitosan‐modified silica nanoparticles and their applications in the separation of auxins by capillary electrophoresis

17-Sep-2015 | Lan‐Ping Duan, Guo‐Sheng Ding, An‐Na Tang, Journal of Separation Science, 2015

In recent years, nanoparticles have gained more attention when used in separation science. In this study, chitosan‐modified silica nanoparticles were successfully synthesized and characterized by transmission electron microscopy, elemental analysis and zeta potential, etc. When added into the ...


Preparation of phenyl‐functionalized magnetic mesoporous silica microspheres for the fast separation and selective enrichment of phenyl‐containing peptides

17-Sep-2015 | Shihua Li, Ling Wang, Sen Zhao, Jinjin Lin, Jiangnan Zheng, Zian Lin, Journal of Separation Science, 2015

Peptide enrichment before mass spectrometry analysis is essential for large‐scale peptidomic studies, but challenges still remain. Herein, magnetic mesoporous silica microspheres with phenyl group‐modified interior pore‐walls were prepared by a facile sol–gel coating strategy, and were ...


Could Voltammetry be an Effective Alternative Technique to Study Adsorption Kinetics of Electroactive Metal Ions?

17-Sep-2015 | Diele A. G. Araújo, Ana C. A. Faria, Regina M. Takeuchi, André L. Santos, Electroanalysis, 2015

Abstract The suitability of LSV to study adsorption kinetics of metal ions was evaluated using Cu2+ adsorption on Amberlite® IR‐120 as a model system. LSV provided results in agreement with conventional batch method with remarkable decreasing on analysis time and reagents consumption, since no ...


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