Materials Literature
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With increasing awareness about the highly communicable bacteria and viruses, medical professionals and associations are making it mandatory to use protective surgical gowns to barrier the spreading of various diseases like SARS, HIV, hepatitis, etc. These diseases, which may be caused by a variety of microorganisms,…
Organo-soluble photoresponsive azo thiol monolayer-protected gold nanorods were synthesized; the resulting gold nanorods encapsulated by thiols on their entire surface with strong covalent Au-S linkages were very stable in both organic solvents and in the solid state without aggregation or decomposition.
Relativity theory is useful for understanding the phenomenology of the magnetoelectric effect of the antiferromagnet chromium sesquioxide Cr2O3 in two respects: (i) one gets a clear idea about the physical dimensions of the electromagnetic quantities involved, in particular about the dimensions of the magnetoelectric…
We study a diffuse interface model for the flow of two viscous incompressible Newtonian fluids of the same density in a bounded domain. The fluids are assumed to be macroscopically immiscible, but a partial mixing in a small interfacial region is as
We present synthetic strategies for the utilization of functionalized polyester nanoparticles that enable efficient chemistries to conjugate targeting units and dendritic molecular transporter entities to form potent carrier systems for targeted drug delivery and transport across biological barriers. Polyester nanopar…
Wear occurs at most solid surfaces that come in contact with other solid surfaces. While biological surfaces and tissues usually have the ability to repair minor wear damage, engineered self-healing materials only started to emerge recently. An example of a smart self-healing material is the material with imbedded mic…
silicone; veterinary devices; drug delivery systems; intravaginal devices; transdermal devices. (*) To whom correspondence to be addressed.
We demonstrated nanostructural control of a functional material for electrochemical applications by using a biomimetic solution route. A nanoscopically ordered architecture of calcite-type MnCO3nanocrystals mimicking hierarchical structures of biological CaCO3 was successfully produced in an organic gel matrix. A high…
Natural fibers can replace glass fibers in fiber-reinforced plastics. Pineapple leave fibers (PALF) have high cellulose contents and are mechanically sound as reinforcement in polymer composites. In Malaysia the focus of the pineapple industry is the fruits leaving the leaves mainly composted or burned thus wasting go…
Cyclo(L-Tyr-L-Lys) (1) and its ε-amino derivatives (2a–2g) were synthesized and investigated as organo- and hydrogelators. Although 1 precipitates in water, it enables the gelation of a number of polar organic solvents including DMF and DMSO. Ultrasound promotes 1 to form a hydrogel when cooling its aqueous solution.…
Monodisperse Fe(3)O(4) nanoparticles (NPs) originally synthesized with a hydrophobic oleylamine capping ligand were made water soluble and conjugated to the anticancer drug Methotrexate (MTX) using a new chemistry based on the readily available linker trichloro-s-triazine (TsT). This new linker is much more versatile…
One of the 21st century's most promising technologies is nanotechnology. Nanomedicine, an offshoot of nanotechnology, refers to highly specific medical intervention at the molecular scale for curing disease or repairing damaged tissues, such as bone, muscle, or nerve. Nanotechnology is a collective term referring to t…
The inhibiting effect of methionine and tyrosine on the corrosion of iron is researched electrochemically in 0.1M HCl, Quantum chemical calculations were performed. The level of HF with the 6–311G(d,p) basis set for methionine and tyrosine. Corrosion current density has been determined by polarization measures and the…
Effective pair interactions with a soft-repulsive component are a well-known feature of polymer solutions and colloidal suspensions, but they also provide a key to interpret the high-pressure behaviour of simple elements. We have computed the zero-temperature phase diagram of four different model potentials with vario…
A Keggin-type polyoxometalate (Cs(1.5)H(1.5)PW(12)O(40))-supported Pd catalyst is efficient for the direct synthesis of H(2)O(2) from H(2) and O(2) in the absence of any acid or halide additives under atmospheric pressure.
Soluble conducting polyaniline composites with low-level loadings of Fe 3 O 4 have been synthesized and characterized. The composites are dispersible in many solvents including water and soluble in polar organic solvents, such as chloroform, N -methylpyrrolidone, and methanol. The conductivity of the sample increases…
Chemically modified carbon nanomaterials, such as nanodiamond (ND) soot, onionlike carbon (OLC), and carbon nanotubes (CNTs), were investigated as electrodes for electrochemical capacitors in high rate applications, that is, applications that drain power very fast. A layer of Keggin-type polyphosphomolybdate was coate…
The dynamics of the ignition and extinction of the catalytic partial oxidation (CPO) of methane to hydrogen and carbon monoxide over Pt-Rh/Al(2)O(3) and Pt/Al(2)O(3) were studied in the subsecond timescale using quick-EXAFS with a novel cam-driven X-ray monochromator employing Si(111) and Si(311) crystals. The experim…
Raman spectra of aqueous beryllium perchlorate, chloride, nitrate, and sulfate solutions have been measured over a broad concentration (0.098-4.950 mol L(-1)) range. The Raman spectroscopic data suggest that the tetra-aqua beryllium(II) ion is thermodynamically stable in perchlorate, chloride, and nitrate solutions ov…
Biology and Environment: Proceedings of the Royal Irish Academy - Volume 109B, Number 3, November 2009