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1,316 Newest Publications about the topic solution

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Colorimetric Humidity and Solvent Recognition Based on a Cation-Exchange Clay Mineral Incorporating Nickel(II)–Chelate Complexes

19-Nov-2015 | Hitoshi Hosokawa; Tomoyuki Mochida, Langmuir, 2015

Solvatochromic nickel(II) complexes with diketonato and diamine ligands were incorporated into a saponite clay by ion exchange, and their colorimetric humidity- and solvent-recognition properties were investigated. These powders exhibit color change from red to blue-green depending on humidity, ...


Experimental Investigation and Thermodynamic Assessment of Phase Equilibria in the PLLA/Dioxane/Water Ternary System for Applications in the Biomedical Field

17-Nov-2015 | Flavia Ruggiero; Paolo Antonio Netti; Enza Torino, Langmuir, 2015

Fundamental understanding of thermodynamic of phase separation plays a key role in tuning the desired features of biomedical devices. In particular, phase separation of ternary solution is of remarkable interest in processes to obtain biodegradable and biocompatible architectures applied as ...


Synthetic Mimics of Bacterial Lipid A Trigger Optical Transitions in Liquid Crystal Microdroplets at Ultralow Picogram-per-Milliliter Concentrations

17-Nov-2015 | Matthew C. D. Carter; Daniel S. Miller; James Jennings; Xiaoguang Wang; Mahesh K. Mahanthappa; Nicholas L. Abbott; D ..., Langmuir, 2015

We report synthetic six-tailed mimics of the bacterial glycolipid Lipid A that trigger changes in the internal ordering of water-dispersed liquid crystal (LC) microdroplets at ultralow (picogram-per-milliliter) concentrations. These molecules represent the first class of synthetic amphiphiles to ...


Oscillatory Changes of the Heterogeneous Reactive Layer Detected with the Motional Resistance during the Galvanostatic Deposition of Copper in Sulfuric Solution

13-Nov-2015 | Alejandro Cuenca; Jerónimo Agrisuelas; José J. García-Jareño; Francisco Vicente, Langmuir, 2015

Metallic copper was galvanostatically deposited on quartz|gold resonant electrodes by applying a constant current in a 0.5 M CuSO4/0.1 M H2SO4 aqueous solution. Galvanostatic copper deposition is one of the best methodologies to calibrate the electrochemical quartz crystal microbalances (EQCM), a ...


Directing and Boosting of Cell Migration by the Entropic Force Gradient in Polymer Solution

11-Nov-2015 | Tatsuya Fukuyama; Ariko Fuke; Megumi Mochizuki; Ken-ichiro Kamei; Yusuke T. Maeda, Langmuir, 2015

Noncontact manipulation of nano/micromaterials presents a great challenge in fields ranging from biotechnology to nanotechnology. In this study we developed a new strategy for the manipulation of molecules and cells based on diffusiophoresis driven by a concentration gradient of a polymer solute. ...


A Nonconventional Model of Protocell-like Vesicles: Anionic Clay Surface-Mediated Formation from a Single-Tailed Amphiphile

10-Nov-2015 | Na Du; Ruiying Song; Haiping Li; Shue Song; Renjie Zhang; Wanguo Hou, Langmuir, 2015

We report a novel model system of precursor cellular membranes, self-assembled from micellar solution of a common anionic single-tailed amphiphile (STA), including sodium dodecyl sulfate (SDS) and sodium dodecylbenzenesulfonate (SDBS). The self-assembly process was mediated with solid surfaces of ...


Surfactant-Free Vanadium Oxides from Reverse Micelles and Organic Oxidants: Solution Processable Nanoribbons with Potential Applicability as Battery Insertion Electrodes Assembled in Different Configurations

06-Nov-2015 | Pedro Tartaj; Jose M. Amarilla; Maria B. Vazquez-Santos, Langmuir, 2015

Vanadium oxides similar to other metal transition oxides are prototypes of multifunctionality. Implementing new synthesis routes that lead to dry vanadium oxide nanomaterials with good functional and structural properties as well as good processing capabilities is thus of general interest. Here ...


Direct Synthesis of Unilamellar MgAl-LDH Nanosheets and Stacking in Aqueous Solution

05-Nov-2015 | Dujuan Liang; Wenbo Yue; Genban Sun; Dong Zheng; Kenta Ooi; Xiaojing Yang, Langmuir, 2015

Two-dimensional (2D) materials, such as graphene, inorganic oxides, and hydroxides, are one of the most extensively studied classes of materials due to their unilamellar crystallites or nanosheet structures. In this study, instead of using the universal exfoliation method of the bulky crystal ...


Natural Rubber–Filler Interactions: What Are the Parameters?

04-Nov-2015 | Alan Jenkin Chan; Karine Steenkeste; Alexis Canette; Marie Eloy; Damien Brosson; Fabien Gaboriaud; Marie-Pierre Font ..., Langmuir, 2015

Reinforcement of a polymer matrix through the incorporation of nanoparticles (fillers) is a common industrial practice that greatly enhances the mechanical properties of the composite material. The origin of such mechanical reinforcement has been linked to the interaction between the polymer and ...


Effect of Ionic Strength and Surface Charge on Convective Deposition

04-Nov-2015 | Kedar Joshi; Tanyakorn Muangnapoh; Michael D. Stever; James F. Gilchrist, Langmuir, 2015

Particle–particle and particle–substrate interactions play a crucial role in capillary driven convective self-assembly for continuous deposition of particles. This systematic study demonstrates the nontrivial effects of varying surface charge and ionic strength of monosized silica microspheres in ...


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