Materials Literature
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We have demonstrated that carbon-microelectromechanical systems (C-MEMS), in which patterned photoresist is pyrolyzed in inert environment at high temperature, constitutes a powerful approach to building 3D carbon microelectrode arrays for 3D microbattery applications. High aspect ratio carbon posts (>10:1) are achiev…
We demonstrate a simple transistor based on the conducting polymer poly(3,4-ethylene dioxythiophene)/poly(styrene sulfonic acid), capable of sensing glucose in a neutral pH buffer solution by a mechanism involving sensing of hydrogen peroxide.
This article gives an overview of recent progress in template-directed colloidal self-assembly. We first highlight colloidal crystallization and clustering guided by using lithographic patterns as templates. Secondly, we also outline current efforts on binary colloidal crystallization, paving a way to direct self-asse…
A novel growth concept and a low-temperature aqueous chemical growth (ACG) thin film processing technique are presented that aim to contribute to the rational fabrication of smart and functional metal oxide particulate thin films and coatings. Such purpose-built materials are modelled, designed, and engineered to matc…
CdSe quantum dots (QDs) have been prepared and modified with mercaptoacetic acid. They are water-soluble and biocompatible. To improve their fluorescence intensity and stability in water solution, bovine serum albumin (BSA) was absorbed onto their surface. Based on the quench of fluorescence signals of the functionali…
An important aim of nanoparticle research is to understand how the properties of materials depend on their size and shape. In this Invited Article I describe how time-resolved spectroscopy can be used to measure physical properties of nanometre sized objects such as the characteristic time scales for electron–phonon c…
With the development of solid oxide fuel cells (SOFCs) that operate in the intermediate temperature range of 650-800°C, ferritic stainless steels have become promising candidate materials for interconnects in SOFC stacks. The SOFC interconnect requires that the alloy possess not only excellent surface stability, but a…
In its most common configuration, a solid oxide fuel cell (SOFC) uses an oxygen‐ion conducting ceramic electrolyte membrane, perovskite cathode, and nickel cermet anode electrode. Cells operate in the 600–1000°C temperature range and utilize metallic or ceramic current collectors for cell‐to‐cell interconnection. Rece…
Ibuprofen-loaded composite membranes composed of poly(lactide-co-glycolide) (PLGA) and poly(ethylene glycol)-g-chitosan (PEG-g-CHN) were prepared by electrospinning. The electrospun membranes were characterized by scanning electron microscopy (SEM), differential scanning calorimetry (DSC), mechanical evaluation and co…
There has been a growing interest and effort over the last few years in the development of novel food packaging concepts, which can play a proactive role regarding product preservation, shelf-life extension, and even improvement. Several strategies have been devised to exert a positive action over the packaged foodstu…
This book addresses the very latest research and development issues in high voltage technology and is intended as a reference source for researchers and students in the field, specifically covering developments throughout the last decade.
Nature and properties of sediment.- Chemical composition of freshwater.- Sediment and the phosphate cycle.- Sediment and the phosphate cycle.- Sediment and the nitrogen cycle.- Methodological aspects.
This new edition of the hugely successful Quantitative Financial Economics has been revised and updated to reflect the most recent theoretical and econometric/empirical advances in the financial markets. It provides an introduction to models of economic behaviour in financial markets, focusing on discrete time series…
As a result of its versatility and simplicity, the chemical precipitation technique remains one of the most widely used methods for the preparation of finely dispersed matter with well-controlled properties. This review deals with the synthesis of highly uniform metallic particles of simple and complex natures by prec…
Crystalline solids undergo large changes in their structure and properties as they transform between different polymorphs in response to the pressure and the temperature. It now appears that analogous density- or entropy-driven phase transitions also occur within the liquid state: these represent a new type of general…
The morphology of attack at and around the intermetallic compounds (IMC) present on bare AA 2024-T3 was studied in situ using confocal laser scanning microscopy. Exposures were conducted in at pH 3, 6, and 10 as well as near-neutral 0.5 M NaCl. The types of attack observed could be categorized as matrix and IMC pittin…
Treatment of bacteria with silver yields intense and highly specific surface-enhanced Raman spectroscopy (SERS) spectra from various cellular chemical components located in the vicinity of the silver colloids. In particular, we demonstrate an extreme sensitivity to flavin components associated with the cell envelope a…
Nanotubes prepared by the self-assembly of D-Phe-D-Phe molecules are investigated by electron microscopy and Monte Carlo simulations; the nanotubes appear to be porous and are capable of forming novel peptide-nanotube platinum-nanoparticle composites.
A suite of 18 zircon gemstones from placers in the Highland/Southwestern Complex, Sri Lanka, were subjected to a comprehensive study of their radiation damages and ages. The investigation included X-ray diffraction, Raman and PL spectroscopy, electron microprobe, PIXE and HRTEM analysis, as well as (U-Th)/He and SHRIM…
Here we report small molecule hydrogels formed by the combination of two N-(fluorenyl-methoxycarbonyl) amino acids, which belong to a novel class of antiinflammatory agents.