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Skip to Search Results- 16Graduate and Postdoctoral Studies (GPS), Faculty of
- 16Graduate and Postdoctoral Studies (GPS), Faculty of/Theses and Dissertations
- 9Biological Sciences, Department of
- 9Biological Sciences, Department of/Research Data and Materials (Biological Sciences)
- 1Sustainable Forest Management Network
- 1Sustainable Forest Management Network/Project Reports (Sustainable Forest Management Network)
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Spring 2016
Naphtha that consists of low molecular weight aliphatic and aromatics and other low molecular weight iso-paraffins and naphthenes is used as a diluent in processing of bitumen from oil sands. During oil sands processing, almost all of the naphtha is recovered. However, a small fraction, viz....
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Gene expression and sensory structures in sponges: Explorations of sensory-neural origins in a non-bilaterian context
DownloadFall 2017
The nervous system is present in all but two animal phyla – one of them being Porifera, sponges. Sponges have no neurons and yet have organized behavior and finely tuned sensation. Furthermore, sponges have genes involved in the nervous system of other animals (informally called ‘neural’ genes)....
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Geodia barretti - Energy budget data sheet for Limnology and Oceanography
2017-05-26
Geodia barretti is a massive nearly spherical sponge that forms dense assemblages on the continental shelf of the North Altantic and the Norwegian Sea. We studied the metabolism of individual sponges collected using a remotely operated vehicle and maintained in large tanks with high volumes of...
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Molecular and functional bases of coordination in early branching metazoans – insights from physiology and investigations of potassium channels in the Porifera
DownloadFall 2010
Tompkins MacDonald, Gabrielle Jean
Sponges are filter feeders that lack nerves and muscle but are nonetheless able to respond to changes in the ambient environment to control their feeding current. Cellular sponges undergo coordinated contractions that effectively expel debris. Syncytial sponges propagate action potentials through...
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Organically-Modified Clay Minerals in Oil Sands: Characterization and Effect of Hydrothermal Treatment
DownloadFall 2017
The intimate association between bitumen components and clay minerals is an important feature of oil sands fine solids. These organically-modified clay minerals cause serious problems in Canadian oil sands production: hindering bitumen extraction, stabilizing water-in-bitumen emulsions, fouling...
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Fall 2010
Epithelia form protective barriers and regulate molecule transport between the mesenchyme and environment. Amongst all metazoans, only sponges are said to lack 'true' epithelia however the physiology of sponge cell layers are rarely studied empirically. Aggregates and gemmules of a freshwater...
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Spring 2024
Lithium is crucial for battery production and is utilized in electric vehicles and portable electronics. Among alternative sources of lithium is flowback and produced water (FPW) brines, which can be recovered utilizing ion-exchange with sorbents such as lithium manganese oxide spinels. Among...
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Spring 2017
Dewatering of the oil sands mature fine tailings (MFT) is studied through pressure filtration following treatment by dual polymer flocculants. Polymer pairs consisting of anionic polyacrylamide (A3335) and cationic polyDADMAC (Alcomer 7115), and A3335 and non-ionic polyethylene oxide (PEO) are...
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Respiration and Excurrent Velocity DATA for 5 demosponges - Data associated with: Ludeman, Reidenbach and Leys, JEB 2017 The energetic cost of filtration by demosponges and their behavioural response to ambient currents
Respiration and Excurrent Velocity DATA for 5 demosponges - Data associated with: Ludeman, Reidenbach and Leys, JEB 2017 The energetic cost of filtration by demosponges and their behavioural response to ambient currents
Download2017-02-14
Abstract: Sponges (Porifera) are abundant in most marine and freshwater ecosystems and as suspension feeders they play a crucial role in filtering the water column. Their active pumping enables them to filter up to 900 times their body volume of water per hour, recycling nutrients and coupling a...
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Fall 2018
Glass sponge reefs are globally unique ecosystems on Canada’s western continental shelf that are susceptible to harm from fishing (e.g., bottom-contact trawling). In 2017, a marine protected area (MPA) was created to protect four of these reefs in Hecate Strait and Queen Charlotte Sound. Three...