15-05-2013 | Misato Yamada; Hiromasa Imaishi; Kenichi Morigaki, Langmuir, 2013

We report an efficient and reproducible method to generate a microarray of model biological membranes on a solid substrate by applying the inkjet printing technology. Although inkjet printing is currently widely used for industrial fabrication processes, including biological materials, ...

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14-05-2013 | Ali Nazemi; S. M. Mansour Haeryfar; Elizabeth R. Gillies, Langmuir, 2013

Polymer vesicles, commonly referred to as polymersomes, are self-organized materials that result from the self-assembly of amphiphilic copolymers in solution. Recently, there has been increasing interest in biomedical applications of polymersomes due to the different functions that can be ...

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14-05-2013 | Junyang Shen; Chongyi Chen; Wenxin Fu; Linqi Shi; Zhibo Li, Langmuir, 2013

Poly(ethylene glycol)-block-poly(γ-(2-methoxyethoxy)esteryl-l-glutamate) (PEG-b-poly-l-EG2Glu) was synthesized via ring-opening polymerization (ROP) of l-EG2Glu N-carboxyanhydride (NCA) using PEG-NH2 as macroinitiator. This diblock contained a thermo-responsive poly-l-EG2Glu block, which ...

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14-05-2013 | Yingqiu Gu; Lijuan Shi; Xiyuan Cheng; Fei Lu; Liqiang Zheng, Langmuir, 2013

The effects of ionic liquids (ILs), 1-butyl-3-methylimidazolium methylsulfonate (bmimMsa), 1-butyl-3-methylimidazolium benzenesulfonate (bmimBsa), and 1-butyl-3-methylimidazolium 2-naphthalenesulfonate (bmimNsa), on the aggregation behavior of 1-dodecyl-3-methylimidazolium bromide (C12mimBr) ...

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13-05-2013 | Jonathan Morag; Matan Dishon; Uri Sivan, Langmuir, 2013

AFM measurements of the force acting between silica surfaces in the presence of varied alkali chloride salts and pH’s elucidate the origin of the Hofmeister adsorption series and its reversal. At low pH, electrostatics is shown to be insignificant. The preferential adsorption of Cs+ to the ...

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13-05-2013 | Mutsuo Tanaka; Takahiro Sawaguchi; Masashi Kuwahara; Osamu Niwa, Langmuir, 2013

In order to scrutinize potential of trialkoxysilanes to form close-packed monolayer, surface modification of silicon oxide was carried out with the trialkoxysilanes bearing a ferrocene moiety for analysis by electrochemical methods. As it was found that hydrogen-terminated silicon reacts with ...

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09-05-2013 | Xiangjun Gong; To Ngai, Langmuir, 2013

Poly(ethylenimine) (PEI) polyelectrolytes have been widely used to tune the stability, rheology, or adhesion properties of colloidal suspensions due to their strong tendency to adsorb to solid surfaces. They have also gained importance as gene carriers in biomedical applications, in which the ...

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09-05-2013 | Ju-Mei Li; Wan-Fu Ma; Li-Jun You; Jia Guo; Jun Hu; Chang-Chun Wang, Langmuir, 2013

A new approach for sensitive detection of a specific ssDNA (single-stranded DNA) sequence based on the surface enhanced Raman spectroscopy (SERS) liquid chip is demonstrated. In this method, the probe DNA (targeting to one part of target ssDNA) was attached to the nano-SERS-tags ...

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06-05-2013 | Marianna Yanez Arteta; Felix Eltes; Richard A. Campbell; Tommy Nylander, Langmuir, 2013

This work addresses structural and nonequilibrium effects of the interactions between well-defined cationic poly(amidoamine) PAMAM dendrimers of generations 4 and 8 and the anionic surfactant sodium dodecyl sulfate (SDS) at the hydrophilic silica–water interface. Neutron reflectometry and ...

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06-05-2013 | Frank Snijkers; Rossana Pasquino; Jan Vermant, Langmuir, 2013

The effect of using a viscoelastic suspending medium on the in-plane hydrodynamic interaction between two equally sized spheres in shear flow is studied experimentally to understand flow-induced assembly behavior (i.e., string formation). A counterrotating device equipped with a Couette ...

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