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1,127 Newest Publications about the topic solution

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A Many-Body Hamiltonian for Nanoparticles Immersed in a Polymer Solution

02-Jan-2015 | Clifford E. Woodward; Jan Forsman, Langmuir, 2015

We developed an analytical theory for the many-body potential of mean force (POMF) between N spheres immersed in a continuum chain fluid. The theory is almost exact for a Θ polymer solution in the protein limit (small particles, long polymers), where N-body effects are important. Polydispersity ...

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Bicomponent H-Bonded Porous Molecular Networks at the Liquid–Solid Interface: What Is the Influence of Preorganization in Solution?

29-Dec-2014 | Tibor Kudernac; Amal Kumar Mandal; Jurriaan Huskens, Langmuir, 2014

Tailoring the architecture of porous two-dimensional networks formed by molecules is essential for developing functional materials with low dimensionality. Here we present bicomponent porous networks with tunable pore-sizes that were formed by self-assembly of hydrogen-bonding molecules at the ...

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Polymer and Surfactant-Templated Synthesis of Hollow and Porous ZnS Nano- and Microspheres in a Spray Pyrolysis Reactor

29-Dec-2014 | Munish K. Sharma; Parham Rohani; Sha Liu; Mark Kaus; Mark T. Swihart, Langmuir, 2014

Nanostructured zinc sulfide can provide unique photonic, electronic, and catalytic properties that are of interest for applications ranging from bioimaging to photocatalysis. Here we report an easily controllable continuous method to produce porous and hollow ZnS nano- and microspheres. We used ...

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Two Methods for One-Point Anchoring of a Linear Polysaccharide on a Gold Surface

24-Dec-2014 | Julia Hoypierres; Virginie Dulong; Christophe Rihouey; Stéphane Alexandre; Luc Picton; Pascal Thébault, Langmuir, 2014

Two strategies to achieve a one-point anchoring of a hydrolyzed pullulan (P9000) on a gold surface are compared. The first strategy consists of forming a self-assembled monolayer of a 6-amino-1-hexanethiol (AHT) and then achieving reductive amination on the surface between the aminated surface ...

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Local Liquid Phase Deposition of Silicon Dioxide on Hexagonally Close-Packed Silica Beads

23-Dec-2014 | Seo Young Yoon; Yi-Seul Park; Jin Seok Lee, Langmuir, 2014

Liquid phase deposition (LPD) is a useful method for the production of oxide film with low reaction temperature and production cost. With the report that the LPD of oxide films is conformally processed with uniform thickness and composition, there has been significant attention given to ...

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Impact of Polymer Conformation on the Crystal Growth Inhibition of a Poorly Water-Soluble Drug in Aqueous Solution

22-Dec-2014 | Caitlin J. Schram; Stephen P. Beaudoin; Lynne S. Taylor, Langmuir, 2014

Poor aqueous solubility is a major hindrance to oral delivery of many emerging drugs. Supersaturated drug solutions can improve passive absorption across the gastrointestinal tract membrane as long as crystallization can be inhibited, enhancing the delivery of such poorly soluble therapeutics. ...

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Solvatochromism and Conformational Changes in Fully Dissolved Poly(3-alkylthiophene)s

22-Dec-2014 | Gregory M. Newbloom; Stephanie M. Hoffmann; Aaron F. West; Melissa C. Gile; Prakash Sista; Hoi-Ki C. Cheung; Christi ..., Langmuir, 2014

Absorption spectroscopy is commonly utilized to probe optical properties that can be related, among other things, to the conformation of single, isolated conjugated polymer chains in solution. It is frequently suggested that changes in peak positions of optical spectra result from variations in ...

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Formation of Highly Stable Self-Assembled Alkyl Phosphonic Acid Monolayers for the Functionalization of Titanium Surfaces and Protein Patterning

22-Dec-2014 | Xuemingyue Han; Xiangyu Sun; Tao He; Shuqing Sun, Langmuir, 2014

A protocol for the preparation of improved phosphonate monolayers on a titanium (Ti) substrate is presented. Zirconium ions were used to enhance the bonding between the phosphonate headgroup and the pretreated Ti surface. Contact angle and X-ray photoelectron spectroscopy were used to ...

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Oil Transfer Converts Phosphatidylcholine Vesicles into Nonlamellar Lyotropic Liquid Crystalline Particles

19-Dec-2014 | Isabelle Martiel; Stephan Handschin; Wye-Khay Fong; Laurent Sagalowicz; Raffaele Mezzenga, Langmuir, 2014

There is a need for the development of low-energy dispersion methods tailored to the formation of phospholipid-based nonlamellar lyotropic liquid crystalline (LLC) particles for delivery system applications. Here, facile formation of nonlamellar LLC particles was obtained by simple mixing of a ...

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Simultaneous Control over both Molecular Order and Long-Range Alignment in Films of the Donor–Acceptor Copolymer

19-Dec-2014 | Haiyang Wang; Liang Chen; Rubo Xing; Jiangang Liu; Yanchun Han, Langmuir, 2014

Control over both molecular order and long-range alignment order in films of the donor–acceptor copolymer of 3,6-bis(thiophen-2-yl)-N,N′-bis(2-octyl-1-dodecyl)-1,4-dioxo-pyrrolo[3,4-c]pyrrole and thieno[3,2-b]thiophene (PDBT-TT) was demonstrated via off-center spin-coating (OCSC) from its blend ...

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