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A sensor array of gold nanoparticle chemiresistors, functionalized with a variety of thiolate ligands, was used to detect different hydrocarbons dissolved in water. Discriminant analysis of the sensor responses showed that the diluted saturated solutions of kerosene, turpentine, two types of oil and three types of petrol could be clearly identified across a range of concentrations.
Despite recent advances in the technology, very little is known about the interactions between bacteria and the optical fibre surfaces. The work presented herein aims to determine the influence of surface characteristics and chemistry of standard optical imaging fibres used in biomedical applications on the attachment behavior of three medically and environmentally significant microorganisms (Pseudomonas...
Aerosol generation, sampling and analysis for fine carbon nanotubes (CNT) of 10nm diameter is demonstrated and compared to structures formed by coarse CNT. Aggregate structures formed in an aerosol are coil-shaped for fine CNT and bundles for coarse CNT. These structures could be an expression of differences in their physical properties, such as the bending stiffness.
Vertically-aligned arrays of single walled carbon nanotubes were created on an optically transparent electrode (FTO glass) these arrays were found to exhibit a prompt current and voltage when exposed to light. These cells were then investigated by electrochemical impedance spectroscopy and found to exhibit a dampening of the recombination reaction over the first 24 hours. Symmetrical cell modeling...
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