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A thermally actuated microgripper as an electrochemical sensor with the ability to manipulate single cells (2011)
Journal Article
Daunton, R., Gallant, A., Wood, D., & Kataky, R. (2011). A thermally actuated microgripper as an electrochemical sensor with the ability to manipulate single cells. Chemical Communications, 47(22), 6446-6448. https://doi.org/10.1039/c1cc11904d

The design and fabrication of a thermally actuated polymeric microgripper incorporating a bare gold working electrode is described. Initial electrochemical tests confirm that the microgripper sensor works as an effective microelectrode, opening up ex... Read More about A thermally actuated microgripper as an electrochemical sensor with the ability to manipulate single cells.

Microelectrode Array Supported by Microfluidic Channel for High-Throughput Sensing: Fabrication and Characterisation (2010)
Journal Article
Delcourt Lancon, A., Kataky, R., Wood, D., & Gallant, A. (2010). Microelectrode Array Supported by Microfluidic Channel for High-Throughput Sensing: Fabrication and Characterisation. ECS Transactions, 33(8), 221-227. https://doi.org/10.1149/1.3484125

The fabrication and characterisation of a microelectrode array supported by microfluidic channels for electroanalytical application are described in this paper. An array of 306 gold recessed microelectrodes (45 µm diameter) was fabricated using litho... Read More about Microelectrode Array Supported by Microfluidic Channel for High-Throughput Sensing: Fabrication and Characterisation.

A robust, fine pitch probe card (2009)
Journal Article
Rosamond, M., Gallant, A., & Wood, D. (2009). A robust, fine pitch probe card. Procedia chemistry, 1(1), 792-795. https://doi.org/10.1016/j.proche.2009.07.197

A new type of probe card is described which consists of inclined nickel cantilevers formed on top of a three dimensional PDMS layer. A prototype card has been built with an in-line pitch of 23 μm. The presence of a PDMS layer beneath the cantilevers... Read More about A robust, fine pitch probe card.

Porous PDMS force sensitive resistors (2009)
Journal Article
King, M., Baragwanath, A., Rosamond, M., Wood, D., & Gallant, A. (2009). Porous PDMS force sensitive resistors. Procedia chemistry, 1(1), 568-571. https://doi.org/10.1016/j.proche.2009.07.142

Here we present an elastomeric force sensitive resistor (FSR) made from a porous matrix of polydimethylsiloxane (PDMS) filled with carbon black. The fabrication process is based on the use of a low cost sacrificial sugar cube scaffold which leads to... Read More about Porous PDMS force sensitive resistors.

Poole-Frenkel conduction in single wall carbon nanotube composite films built up by electrostatic layer-by-layer deposition (2008)
Journal Article
Jombert, A., Coleman, K., Wood, D., Petty, M., & Zeze, D. (2008). Poole-Frenkel conduction in single wall carbon nanotube composite films built up by electrostatic layer-by-layer deposition. Journal of Applied Physics, 104(9), Article 094503. https://doi.org/10.1063/1.3006015

The fabrication of large area thin films of single wall carbon nanotubes (SWCNTs) using electrostatic layer-by-layer deposition is reported. The in-plane current versus voltage (I-V) characteristics were dependent on the concentration of SWCNTs trans... Read More about Poole-Frenkel conduction in single wall carbon nanotube composite films built up by electrostatic layer-by-layer deposition.

Thermal and mechanical analysis of an SU8 polymeric actuator using infrared thermography (2008)
Journal Article
Solano, B., Rolt, S., & Wood, D. (2008). Thermal and mechanical analysis of an SU8 polymeric actuator using infrared thermography. Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, 222(1), 73-86. https://doi.org/10.1243/09544062jmes676

In the current paper, report the detailed thermomechanical analysis of a polymeric thermal actuator integrated in a microelectromechanical systems microgripper, is reported. The inclusion of an actuator design which eliminates completely the parasiti... Read More about Thermal and mechanical analysis of an SU8 polymeric actuator using infrared thermography.

Passband filters for terahertz radiation based on dual metallic photonic structures (2007)
Journal Article
Gallant, A., Kaliteevski, M., Wood, D., Petty, M., Abram, R., Brand, S., …Chamberlain, J. (2007). Passband filters for terahertz radiation based on dual metallic photonic structures. Applied Physics Letters, 91(16), https://doi.org/10.1063/1.2800381

This paper reports on the development of two-dimensional metallic microstructures for the filtering of terahertz radiation. These structures are fabricated using ultraviolet-based processing of thick SU8 resist. This micromachining technique enables... Read More about Passband filters for terahertz radiation based on dual metallic photonic structures.

Free-standing polymer cantilevers and bridges reinforced with carbon nanotubes (2007)
Journal Article
Cadd, D., Wood, D., & Petty, M. (2007). Free-standing polymer cantilevers and bridges reinforced with carbon nanotubes. Micro and Nano Letters, 2(3), 54-57

A nanofabrication process, based on the layer-by-layer electrostatic deposition method, has been developed to fabricate free-standing cantilevers and bridges of polyelectrolytes containing conductive carbon nanotubes. The technique can produce a high... Read More about Free-standing polymer cantilevers and bridges reinforced with carbon nanotubes.

Terahertz Frequency Bandpass Filters (2007)
Journal Article
Gallant, A., Kaliteevski, M., Brand, S., Wood, D., Petty, M., Abram, R., & Chamberlain, J. (2007). Terahertz Frequency Bandpass Filters. Journal of Applied Physics, 102(2), https://doi.org/10.1063/1.2756072

The design, measurement, and analysis of a range of artificial materials for use at terahertz frequencies are described. The chosen structures consist of arrays of cylindrical gold-plated pillars with period comparable to the wavelength of incident r... Read More about Terahertz Frequency Bandpass Filters.

Conical recessed gold microelectrode arrays produced during photolithographic methods: characterisation and causes (2007)
Journal Article
Aguiar, F., Gallant, A., Rosamond, M., Rhodes, A., Wood, D., & Kataky, R. (2007). Conical recessed gold microelectrode arrays produced during photolithographic methods: characterisation and causes. Electrochemistry Communications, 9(5), 879-885. https://doi.org/10.1016/j.elecom.2006.11.023

In this work, surface imaging techniques such as scanning Kelvin nanoprobe (SKN), scanning electron microscopy (SEM) and white light interferometer microscopy show that conical recessed electrodes with gradient potential along the recessed walls are... Read More about Conical recessed gold microelectrode arrays produced during photolithographic methods: characterisation and causes.

Design and testing of a polymeric microgripper for cell manipulation (2007)
Journal Article
Solano, B., & Wood, D. (2007). Design and testing of a polymeric microgripper for cell manipulation. Microelectronic Engineering, 84(5-8), 1219-1222. https://doi.org/10.1016/j.mee.2007.01.153

This work presents the design, fabrication and testing of a thermally actuated microgripper for the manipulation of single cells and other biological particles. This microgripper has been fabricated with a particular combination of surface micromachi... Read More about Design and testing of a polymeric microgripper for cell manipulation.

Electrical investigations of layer-by-layer films of carbon nanotubes (2006)
Journal Article
Palumbo, M., Lee, K., Ahn, B., Suri, A., Coleman, K., Zeze, D., …Petty, M. (2006). Electrical investigations of layer-by-layer films of carbon nanotubes. Journal of Physics D: Applied Physics, 39(14), 3077-3085. https://doi.org/10.1088/0022-3727/39/14/030

Single-wall carbon nanotubes (SWNTs) with anionic or cationic coatings have been prepared by exploiting the ability of certain surfactants to form a monolayer shell around the nanotube. The presence of electrically charged functional groups on the su... Read More about Electrical investigations of layer-by-layer films of carbon nanotubes.

High sensitivity love-mode liquid density sensors (2005)
Journal Article
Turton, A., Bhattacharyya, D., & Wood, D. (2005). High sensitivity love-mode liquid density sensors. Sensors and Actuators A: Physical, 123-24, 267-273. https://doi.org/10.1016/j.sna.2005.02.010

An experimental study into Love-mode liquid sensors using polyimide for a waveguide layer has been carried out. Love devices were built on Y-ST quartz with 40 μm wavelength inter-digitated transducers operating up to 124.7 MHz, and polyimide layers b... Read More about High sensitivity love-mode liquid density sensors.

Individually addressable recessed gold microelectrode arrays with monolayers of thio-cyclodextrin nanocavities (2005)
Journal Article
Grancharov, G., Khosravi, E., Wood, D., Turton, A., & Kataky, R. (2005). Individually addressable recessed gold microelectrode arrays with monolayers of thio-cyclodextrin nanocavities. Analyst, 130(10), 1351-1357. https://doi.org/10.1039/b506367a

Four, individually addressable 30 mu m diameter, e-beam deposited, gold microelectrodes recessed by 6 mm were suitably spaced on a single substrate to avoid diffusional overlap between each microelectrode. The single substrate device was functionalis... Read More about Individually addressable recessed gold microelectrode arrays with monolayers of thio-cyclodextrin nanocavities.

Surface micromachined membranes for wafer level packaging (2005)
Journal Article
Gallant, A., & Wood, D. (2005). Surface micromachined membranes for wafer level packaging. Journal of Micromechanics and Microengineering, 15(7), S47-S52. https://doi.org/10.1088/0960-1317/15/7/007

Novel surface micromachined membranes have been developed for wafer level packaging and polymer encapsulation. Laterally unconstrained electroforming allows small etch holes to be included in thick membranes whilst only requiring a thin, low stress,... Read More about Surface micromachined membranes for wafer level packaging.

Nanometer scale patterning using focused ion beam milling (2005)
Journal Article
Petit, D., Faulkner, C., Johnstone, S., Wood, D., & Cowburn, R. (2005). Nanometer scale patterning using focused ion beam milling. Review of Scientific Instruments, 76(2), Article 026105. https://doi.org/10.1063/1.1844431

We report on the performance of focused ion beam (FIB) milling in order to produce nanometer scale devices. Resolution issues have been systematically studied as a function of emission current and working distance, by imaging single pixel lines FIB m... Read More about Nanometer scale patterning using focused ion beam milling.

The role of fabrication techniques on the performance of widely tunable micromachined capacitors (2004)
Journal Article
Gallant, A., & Wood, D. (2004). The role of fabrication techniques on the performance of widely tunable micromachined capacitors. Sensors and Actuators A: Physical, 110(1-3), 423-431. https://doi.org/10.1016/j.sna.2003.07.006

Coventorware 2001.1® is used to identify key vertical dimensions for the low voltage operation of a two-gap widely tunable capacitor. Using identical masking stages, two varieties of tunable capacitor are presented. Nickel structures are demonstrated... Read More about The role of fabrication techniques on the performance of widely tunable micromachined capacitors.