Materials Literature
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The potential of the supramolecular host molecule cucurbit[7]uril to serve as a stabilizing additive and enhancement agent was investigated for the following dyes in aqueous solution: rhodamine 6G, rhodamine 123, tetramethylrhodamine, cresyl violet, fluorescein, coumarin 102, pyronin B, pyronin Y, two cyanine 5 and on…
A high-voltage photo-rechargeable capacitor (photocapacitor) of three-electrode configuration, comprising a dye-sensitized mesoporous TiO2 electrode, two carbon-coated electrodes, and two liquid electrolytes, attained a charge-state voltage of 0.8 V and high energy density per area of 47 microW h cm(-2) which is five…
A simple electrostatic self-assembly technique was used to fabricate a photo-switched azobenzene monolayer, on which superhydrophobicity and a large reversible CA change could be realized.
The presence of wave tunneling and the "growing evanescent envelope" for field distributions in suitably designed, periodically layered stacks of frequency selective surfaces (FSS) is discussed in this letter. It is known that a slab of double-negative (DNG) or left-handed metamaterial sandwiched between two vacuum ha…
The recent literature in the field of liquid crystals shows that “banana-shaped” mesogenic materials represent a bewitching and stimulating field of research that is interesting both academically and in terms of applications. Numerous topics are open to investigation in this area because of the rich phenomenology and…
1. Introduction 2. Capillarity and the mechanics of surfaces 3. Adsorption and the thermodynamics of surfaces 4. The gas-liquid interface: adsorption, films and foams, aerosols 5. Insoluble monolayers and Langmuir-Blodgett films 6. The liquid-liquid interface: emulsions membranes 7. The surfaces of solids 8. The gas-s…
Inhibition of copper corrosion by -phenyl-1,4-phenylenediamine (NPPD) has been investigated in deaerated, aerated, and oxygenated aqueous 3.0% NaCl solutions using potentiodynamic polarization, electrochemical impedance spectroscopy, weight loss, infrared and UV-visible absorption spectroscopic, scanning electron micr…
New selective chemodosimeters for Hg(II) ion based on 1,3-dithiole-2-thione derivatives containing an anthracene unit are described.
Azide pendent groups of aliphatic polyesters have been derivatized into tertiary amines, ammonium salts and poly(ethylene oxide) grafts. The experimental conditions have been optimized (organic solvent, 35 degrees C), such that the aliphatic polyesters are not degraded, including even poly(lactide) which is very sensi…
“Smart” patternable polymer-based materials that can be designed from various molecular building blocks show great potential, as they may be used in many fields, including nanotechnology, biochemistry, organic and physical chemistry, and materials science. The focus of this highlight will be on the basic design charac…
PAMAM dendrimer-RGD-4C peptide conjugate was synthesized and in vitro targeting efficacy to integrin receptor expressing cells was studied by flow cytometry and confocal microscopy.
The review covers 3-dimensional and some 2-dimensional self-assembly patterns of supramolecular liquid crystals possessing either quasi-periodic or closely related truly periodic order. Compounds showing such structures are amphiphilic, and most often wedge-shaped, with dendrons being the most common examples. The top…
Recent literature describing nanocomposites of metal nanoparticles and conjugated polymers and oligomers are reviewed. Preparation of these nanocomposites by chemical and electrochemical methods are described, and the electronic and optical properties of these materials are discussed. Some initial applications that ha…
Structural and electronic effects on the efficiency of DMNB detection with fluorescent conjugated polymers are described.
Fibrous materials have morphological similarities to natural cartilage extracellular matrix and have been considered as candidate for bone tissue engineering scaffolds. In this study, we have evaluated a novel electrospun chitosan mat composed of oriented sub-micron fibers for its tensile property and biocompatibility…
Manganese dioxide has been electrochemically deposited on a Ni substrate from a neutral electrolyte in the presence of a surface-active agent, namely, sodium lauryl sulfate (SLS), for supercapacitor application. The potentiodynamically prepared oxide provides higher capacitance than the potentiostatically and galvanos…
Preface About the Authors PRINCIPLES OF GASIFICATION Introduction Historical Perspective and Commercialization Trends Gasification Principles Gasification vs. Combustion Stoichiometries and Thermodynamics Gasification Kinetics Biomass Gasification Petroleum Coke Gasification COAL GASIFICATION TECHNOLOGIES Introduction…
Electrochemical studies of thiol-capped CdTe nanocrystals in aqueous solution have demonstrated several distinct oxidation and reduction peaks in the voltammograms, with the peak positions being dependent on the size of the nanocrystals. While the size dependence of the reduction and one of the oxidation potentials ca…
Silicon nanocrystals with a uniform size distribution were synthesized in inverse micelles using powerful hydride reducing agents. The silicon nanocrystals surfaces were then stabilized with 1-heptene to produce particles with strong blue photoluminescence.
A successful attempt in the functionalization and solubilization of boron nitride nanotubes is reported, and a functionalization mechanism based on interactions of amino functional groups with nanotube surface borons is proposed.