Search Results - "van Hille, P."

Selection of Direct Transesterification as the Preferred Method for Assay of Fatty Acid Content of Microalgae by Griffiths, M. J, van Hille, R. P, Harrison, S. T. L

“…Assays for total lipid content in microalgae are usually based on the Folch or the Bligh and Dyer methods of solvent extraction followed by quantification…”
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Interference by pigment in the estimation of microalgal biomass concentration by optical density by Griffiths, Melinda J., Garcin, Clive, van Hille, Robert P., Harrison, Susan T.L.

“…Optical density is used as a convenient indirect measurement of biomass concentration in microbial cell suspensions. Absorbance of light by a suspension can be…”
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Lipid productivity, settling potential and fatty acid profile of 11 microalgal species grown under nitrogen replete and limited conditions by Griffiths, Melinda J, van Hille, Robert P, Harrison, Susan T. L

“…Microalgae are a promising alternative source of oil for biodiesel production. Identification of a species with desirable characteristics is a key component…”
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Effect of solution chemistry on particle characteristics during metal sulfide precipitation by Mokone, T.P., van Hille, R.P., Lewis, A.E.

“…This study presents the effect of metal to sulphide molar ratio and operational pH on the surface charge, mean particle size, and settling characteristics…”
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Controlled Nickel Sulfide Precipitation Using Gaseous Hydrogen Sulfide by Karbanee, Nazneen, van Hille, Robert. P, Lewis, Alison E

“…In the precipitation of metal sulfides from solution, either aqueous or gaseous sources of sulfide can be used. In this work, batch aqueous and gaseous sulfide…”
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effect of nitrogen limitation on lipid productivity and cell composition in Chlorella vulgaris by Griffiths, Melinda J, van Hille, Robert P, Harrison, Susan T. L

“…Chlorella vulgaris accumulates lipid under nitrogen limitation, but at the expense of biomass productivity. Due to this tradeoff, improved lipid productivity…”
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Functional Microbial Communities in Hybrid Linear Flow Channel Reactors for Desulfurization of Tannery Effluent by Horn, Emma J., van Hille, Rob P., Oyekola, Oluwaseun O., Welz, Pamela J.

“…Recent research has demonstrated that hybrid linear flow channel reactors (HLFCRs) can desulfurize tannery effluent via sulfate reduction and concurrent…”
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Metal sulphides from wastewater: Assessing the impact of supersaturation control strategies by Mokone, T.P., van Hille, R.P., Lewis, A.E.

“…Metal sulphide precipitation forms an important component of acid mine drainage remediation systems based on bacterial sulphate reduction. However, the…”
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Effect of temperature change on the performance of the hybrid linear flow channel reactor and its implications on sulphate-reducing and sulphide-oxidising microbial community dynamics by Marais, T. S., Huddy, R. J., Van Hille, R. P., Harrison, S. T. L.

“…Semi-passive bioremediation is a promising strategy to mitigate persistent low volume mine-impacted wastewater containing high sulphate concentrations…”
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Attachment of Acidithiobacillus ferrooxidans and Leptospirillum ferriphilum cultured under varying conditions to pyrite, chalcopyrite, low-grade ore and quartz in a packed column reactor by Africa, Cindy-Jade, van Hille, Robert P., Harrison, Susan T. L.

“…The attachment of Acidithiobacillus ferrooxidans and Leptospirillum ferriphilum spp. grown on ferrous medium or adapted to a pyrite mineral concentrate to four…”
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effect of degree and timing of nitrogen limitation on lipid productivity in Chlorella vulgaris by Griffiths, Melinda J, van Hille, Robert P, Harrison, Susan T. L

“…Improvements in lipid productivity would enhance the economic feasibility of microalgal biodiesel. In order to optimise lipid productivity, both the growth…”
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Removal and recovery of zinc from solution and electroplating effluent using Azolla filiculoides by Zhao, M, Duncan, J.R, van Hille, R.P

“…The removal of zinc ions from aqueous solutions and electroplating rinse effluent by Azolla filiculoides on batch and column studies was investigated. The…”
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Metastatic malignant melanoma within meningioma with intratumoral infarct: report of an unusual case and literature review by Pal, D, Bhargava, D, Bucur, S D, Shivane, A, Chakrabarty, A, Van Hille, P

“…We report an unusual case of a patient with a sphenoid wing meningioma that after a few years of static radiological appearance presented with sudden…”
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Entrapped spinal nerve roots in a pseudomeningocoele as a complication of previous spinal surgery by Pavlou, G, Bucur, S D, van Hille, P T

“…Pseudomeningocele is a rare but well recognised complication of lumbar surgery (microdiscectomy and laminectomy). Most of the patients tolerate the presence of…”
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Intracranial non-Hodgkin's MALT lymphoma mimicking a large convexity meningioma by Pavlou, G, Pal, D, Bucur, S, Chakrabarty, A, van Hille, P T

“…Primary presentation of an intradural Non-Hodgkin's lymphoma is rare. Recently these B cell lymphomas of mucosa associated lymphoid tissue (MALT) have gained…”
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Study of anaerobic lactate metabolism under biosulfidogenic conditions by Oyekola, Oluwaseun O., van Hille, Robert P., Harrison, Susan T.L.

“…Biological sulfate reduction (BSR) has been reported to have potential for the treatment of acid mine drainage (AMD). The provision of a suitable carbon source…”
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Iron solids formed from oxidation precipitation of ferrous sulfate solutions by Hove, Mfandaidza, van Hille, Robert P., Lewis, Alison E.

“…The oxidation and precipitation of iron from ferrous sulfate solutions was studied at high Fe2+ concentrations, as found in typical South African acid mine…”
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In situ investigation and visualisation of microbial attachment and colonisation in a heap bioleach environment: The novel biofilm reactor by Africa, Cindy-Jade, Harrison, Susan T.L., Becker, Megan, Hille, Robert P. van

“…In this paper, the development of a novel means of investigating the attachment and subsequent biofilm formation of mineral bioleaching micro-organisms to…”
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Cerebellopontine angle meningioma resulting in middle-ear polyp by Hanna, S J, Derham, C, Van Hille, P, Fenwick, J D

“…Extracranial spread of meningiomas to involve the middle ear is very rare. We present the case of a 43-year-old woman with a known cerebellopontine angle…”
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Hypoglossal-facial nerve anastomosis: assessment of clinical results and patient benefit for facial nerve palsy following acoustic neuroma excision by Sood, S., Anthony, R., Homer, J.J., Van Hille, P., Fenwick, J.D.

“…Despite advances in neuro‐otological techniques permanent complete facial palsy may still occur in up to 10% of patients undergoing removal of cerebellopontine…”
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