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All Outputs (26)

Solitary bee larvae prioritize carbohydrate over protein in parentally provided pollen (2021)
Journal Article
Austin, A. J., & Gilbert, J. D. (2021). Solitary bee larvae prioritize carbohydrate over protein in parentally provided pollen. Functional ecology, 35(5), 1069-1080. https://doi.org/10.1111/1365-2435.13746

Most organisms must regulate their nutritional intake in an environment full of complex food choices. While this process is well-understood for self-sufficient organisms, dependent offspring, such as bee larvae, in practice have limited food choices... Read More about Solitary bee larvae prioritize carbohydrate over protein in parentally provided pollen.

Sporopollenin as a dilution agent in artificial diets for solitary bees (2020)
Journal Article
Tainsh, F., Woodmansey, S. R., Austin, A. J., Bagnall, T. E., & Gilbert, J. D. (in press). Sporopollenin as a dilution agent in artificial diets for solitary bees. Apidologie, https://doi.org/10.1007/s13592-020-00801-1

Nutritional studies often require precise control of nutrients via dilution of artificial diets with indigestible material, but such studies in bees are limited. Common diluents like cellulose typically result in total mortality of bee larvae, making... Read More about Sporopollenin as a dilution agent in artificial diets for solitary bees.

Detection of nitrous oxide using infrared optical plasmonics coupled with carbon nanotubes (2020)
Journal Article
Allsop, T., Al Araimi, M., Neal, R., Wang, C., Culverhouse, P., Ania-Castañón, J. D., …Rozhin, A. (2020). Detection of nitrous oxide using infrared optical plasmonics coupled with carbon nanotubes. Nanoscale advances, 2(10), 4615-4626. https://doi.org/10.1039/d0na00525h

© The Royal Society of Chemistry 2020. Interest in gas sensing using functionalised carbon nanotubes is a major area of research that utilises changes in their electrical properties induced by the reaction with a specific gas. This paper describes sp... Read More about Detection of nitrous oxide using infrared optical plasmonics coupled with carbon nanotubes.

Predation drives recurrent convergence of an interspecies mutualism (2018)
Journal Article
Feeney, W. E., Brooker, R. M., Johnston, L. N., Gilbert, J. D., Besson, M., Lecchini, D., …Manica, A. (2019). Predation drives recurrent convergence of an interspecies mutualism. Ecology letters, 22(2), 256-264. https://doi.org/10.1111/ele.13184

Mutualisms are fundamental ecological interactions that underpin much of the world’s biodiversity. Recent studies have demonstrated how external pressures, such as predation, can regulate the dynamics of interspecific interactions and cause the break... Read More about Predation drives recurrent convergence of an interspecies mutualism.

Skew in ovarian activation depends on domicile size in phyllode-glueing thrips (2018)
Journal Article
Gilbert, J. D., Wells, A., & Simpson, S. J. (2018). Skew in ovarian activation depends on domicile size in phyllode-glueing thrips. Scientific reports, 8(1), Article 3597. https://doi.org/10.1038/s41598-018-21635-z

Costs and benefits of group living are a fundamental topic in behavioural ecology. Resource availability affects individuals’ breeding prospects alone and in groups, as well as how reproduction is distributed within groups (“reproductive skew”). Here... Read More about Skew in ovarian activation depends on domicile size in phyllode-glueing thrips.

Direct Speech Reconstruction from Articulatory Sensor Data by Machine Learning (2017)
Journal Article
Gonzalez, J. A., Cheah, L. A., Gomez, A. M., Green, P. D., Gilbert, J. M., Ell, S. R., …Holdsworth, E. (2017). Direct Speech Reconstruction from Articulatory Sensor Data by Machine Learning. IEEE/ACM transactions on audio, speech, and language processing, 25(12), 2362-2374. https://doi.org/10.1109/TASLP.2017.2757263

© 2014 IEEE. This paper describes a technique that generates speech acoustics from articulator movements. Our motivation is to help people who can no longer speak following laryngectomy, a procedure that is carried out tens of thousands of times per... Read More about Direct Speech Reconstruction from Articulatory Sensor Data by Machine Learning.

Male genital titillators and the intensity of post-copulatory sexual selection across bushcrickets (2017)
Journal Article
Lehmann, G. U., Gilbert, J. D., Vahed, K., & Lehmann, A. W. (2017). Male genital titillators and the intensity of post-copulatory sexual selection across bushcrickets. Behavioral ecology, 28(5), 1198-1205. https://doi.org/10.1093/beheco/arx094

Animal genitalia are diverse and a growing body of evidence suggests that they evolve rapidly under post-copulatory sexual selection. This process is predicted to be more intense in polyandrous species, although there have been very few comparative s... Read More about Male genital titillators and the intensity of post-copulatory sexual selection across bushcrickets.

Larval exposure to field-realistic concentrations of clothianidin has no effect on development rate, over-winter survival or adult metabolic rate in a solitary bee, Osmia bicornis (2017)
Journal Article
Nicholls, E., Fowler, R., Niven, J. E., Gilbert, J. D., & Goulson, D. (2017). Larval exposure to field-realistic concentrations of clothianidin has no effect on development rate, over-winter survival or adult metabolic rate in a solitary bee, Osmia bicornis. PeerJ, 5(6), e3417. https://doi.org/10.7717/peerj.3417

© 2017 Nicholls et al. There is widespread concern regarding the effects of agro-chemical exposure on bee health, of which neonicotinoids, systemic insecticides detected in the pollen and nectar of both crops and wildflowers, have been the most stron... Read More about Larval exposure to field-realistic concentrations of clothianidin has no effect on development rate, over-winter survival or adult metabolic rate in a solitary bee, Osmia bicornis.

Restoring speech following total removal of the larynx by a learned transformation from sensor data to acoustics (2017)
Journal Article
Gilbert, J. M., Gonzalez, J. A., Cheah, L. A., Ell, S. R., Green, P., Moore, R. K., & Holdsworth, E. (2017). Restoring speech following total removal of the larynx by a learned transformation from sensor data to acoustics. The Journal of the Acoustical Society of America, 141(3), EL307-EL313. https://doi.org/10.1121/1.4978364

Total removal of the larynx may be required to treat laryngeal cancer: speech is lost. This article shows that it may be possible to restore speech by sensing movement of the remaining speech articulators and use machine learning algorithms to derive... Read More about Restoring speech following total removal of the larynx by a learned transformation from sensor data to acoustics.

Macroecology of parental care in arthropods: higher mortality risk leads to higher benefits of offspring protection in tropical climates (2016)
Journal Article
Santos, E. S., Bueno, P. P., Gilbert, J. D. J., & Machado, G. (2017). Macroecology of parental care in arthropods: higher mortality risk leads to higher benefits of offspring protection in tropical climates. Biological Reviews, 92(3), 1688-1701. https://doi.org/10.1111/brv.12303

The intensity of biotic interactions varies around the world, in such a way that mortality risk imposed by natural enemies is usually higher in the tropics. A major role of offspring attendance is protection against natural enemies, so the benefits o... Read More about Macroecology of parental care in arthropods: higher mortality risk leads to higher benefits of offspring protection in tropical climates.

Modelling and optimisation of a bimorph piezoelectric cantilever beam in an energy harvesting application (2016)
Journal Article
Thein, C. K., Ooi, B. L., Liu, J. S., & Gilbert, J. M. (2016). Modelling and optimisation of a bimorph piezoelectric cantilever beam in an energy harvesting application. Journal of Engineering Science and Technology, 11(2), 212-227

Piezoelectric materials are excellent transducers in converting vibrational energy into electrical energy, and vibration-based piezoelectric generators are seen as an enabling technology for wireless sensor networks, especially in selfpowered devices... Read More about Modelling and optimisation of a bimorph piezoelectric cantilever beam in an energy harvesting application.

Switching damping for a frequency-tunable electromagnetic energy harvester (2015)
Journal Article
Ooi, B. L., Gilbert, J. M., & Aziz, A. R. A. (2015). Switching damping for a frequency-tunable electromagnetic energy harvester. Sensors and Actuators A: Physical, 234, 311-320. https://doi.org/10.1016/j.sna.2015.09.022

© 2015 Elsevier B.V. All rights reserved. This paper demonstrates the possibility to widen the operational bandwidth of an electromagnetic energy harvester by switching the values of electrical damping coefficient at different points within the oscil... Read More about Switching damping for a frequency-tunable electromagnetic energy harvester.

The evolution of parental care in insects: a test of current hypotheses (2015)
Journal Article
Gilbert, J. D. J., & Manica, A. (2015). The evolution of parental care in insects: a test of current hypotheses. Evolution, 69(5), 1255-1270. https://doi.org/10.1111/evo.12656

Which sex should care for offspring is a fundamental question in evolution. Invertebrates, and insects in particular, show some of the most diverse kinds of parental care of all animals, but to date there has been no broad comparative study of the ev... Read More about The evolution of parental care in insects: a test of current hypotheses.

Functional equivalence of grasping cerci and nuptial food gifts in promoting ejaculate transfer in katydids (2014)
Journal Article
Vahed, K., Gilbert, J. D. J., Weissman, D. B., & Barrientos-Lozano, L. (2014). Functional equivalence of grasping cerci and nuptial food gifts in promoting ejaculate transfer in katydids. Evolution, 68(7), 2052-2065. https://doi.org/10.1111/evo.12421

The function of nuptial gifts has generated longstanding debate. Nuptial gifts consumed during ejaculate transfer may allow males to transfer more ejaculate than is optimal for females. However, gifts may simultaneously represent male investment in o... Read More about Functional equivalence of grasping cerci and nuptial food gifts in promoting ejaculate transfer in katydids.

Design of wideband vibration-based electromagnetic generator by means of dual-resonator (2014)
Journal Article
Ooi, B. L., & Gilbert, J. M. (2014). Design of wideband vibration-based electromagnetic generator by means of dual-resonator. Sensors and Actuators A: Physical, 213, 9-18. https://doi.org/10.1016/j.sna.2014.03.037

This paper describes the design of a wideband electromagnetic energy harvester that utilizes a novel dual-resonator method to improve the operational frequency range of the vibration-based generator. The device consists of two separate resonator syst... Read More about Design of wideband vibration-based electromagnetic generator by means of dual-resonator.

A vibrating cantilever footfall energy harvesting device (2014)
Journal Article
Gilbert, J. M., & Balouchi, F. (2014). A vibrating cantilever footfall energy harvesting device. Journal of Intelligent Material Systems and Structures, 25(14), 1738-1745. https://doi.org/10.1177/1045389X14521880

Human footfall is an attractive source of energy for harvesting for low-power applications. However, the nature of footfall is poorly matched to electromagnetic generators. Footfall motion is characterised by high forces and low speeds, while electro... Read More about A vibrating cantilever footfall energy harvesting device.

Cytochrome b divergence between avian sister species is linked to generation length and body mass (2014)
Journal Article
Thomson, C. E., Gilbert, J. D. J., & Brooke, M. D. L. (2014). Cytochrome b divergence between avian sister species is linked to generation length and body mass. PLoS ONE, 9(2), Article e85006. https://doi.org/10.1371/journal.pone.0085006

It is increasingly realised that the molecular clock does not tick at a constant rate. Rather, mitochondrial mutation rates are influenced by factors such as generation length and body mass. This has implications for the use of genetic data in specie... Read More about Cytochrome b divergence between avian sister species is linked to generation length and body mass.

Thrips domiciles protect larvae from desiccation in an arid environment (2014)
Journal Article
Gilbert, J. D. (2014). Thrips domiciles protect larvae from desiccation in an arid environment. Behavioral ecology, 25(6), 1338-1346. https://doi.org/10.1093/beheco/aru128

Desiccation is a particular risk for small animals in arid environments. In response, many organisms “construct niches,” favorable microenvironments where they spend part or all of their life cycle. Some maintain such environments for their offspring... Read More about Thrips domiciles protect larvae from desiccation in an arid environment.

Small-vocabulary speech recognition using a silent speech interface based on magnetic sensing (2012)
Journal Article
Hofe, R., Ell, S. R., Fagan, M. J., Gilbert, J., Green, P. D., Moore, R. K., & Rybchenko, S. (2013). Small-vocabulary speech recognition using a silent speech interface based on magnetic sensing. Speech communication, 55(1), 22-32. https://doi.org/10.1016/j.specom.2012.02.001

This paper reports on word recognition experiments using a silent speech interface based on magnetic sensing of articulator movements. A magnetic field was generated by permanent magnet pellets fixed to relevant speech articulators. Magnetic field se... Read More about Small-vocabulary speech recognition using a silent speech interface based on magnetic sensing.

Speech synthesis parameter generation for the assistive silent speech interface MVOCA (2011)
Journal Article
Hofe, R., Ell, S. R., Fagan, M. J., Gilbert, J. M., Green, P. D., Moore, R. K., & Rybchenko, S. I. (2011). Speech synthesis parameter generation for the assistive silent speech interface MVOCA

In previous publications, a silent speech interface based on permanent-magnetic articulography (PMA) has been introduced and evaluated using standard automatic speech recognition techniques. However, word recognition is a task that is computationally... Read More about Speech synthesis parameter generation for the assistive silent speech interface MVOCA.