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Browsing Research Publications/Outputs by Author "Lalloo, Rajesh"

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B-Carotene-a long road to commercial implementation

Author: Gardiner, NS ; Lalloo, Rajesh ; Ramduth, DM ; Dudas, J ; Marcus, M Date: Sep 2006 Oral presentation on commercial implementation of β-carotene at the Bio2Biz Conference Read more
Bacillus spp as a biological control agent against panama disease in banana

Author: Gumede, WHN ; Van Zyl, PJ ; Okole, B ; Lalloo, Rajesh Date: Feb 2006 The decreased productivity levels in crop production as a consequence of disease infection have been a great concern amongst agricultural communities. A similar threat is facing the banana-cultivating community due to Panama disease. Panama ... Read more
Biocement: A novel approach in the restoration of construction materials

Author: Enshasy, HE ; Dailin, DJ ; Malek, RA ; •Nordin, NZ ; Nordin, NZ ; Keat, HC ; Eyahmalay, J ; Ramchuran, Santosh O ; Ghong, JNC ; Ramda, VM ; Lalloo, Rajesh Date: Jun 2020 Concrete is the most commonly used construction material worldwide for the development of durable structures. Structural integrity and design of buildings have become increasingly important in construction engineering as well as assessment ... Read more
Biodegradation of petroleum hydrocarbon waste using consortia of Bacillus sp

Author: Masika, Wendy S ; Moonsamy, Ghaneshree ; Mandree, Prisha ; Ramchuran, Santosh O ; Lalloo, Rajesh ; Kudanga, T Date: Dec 2020 Petroleum hydrocarbons are toxic to all forms of life; therefore, environmental pollution caused by petroleum is of great concern. Bio-based environmentally friendly strategies are preferred for the remediation of these contaminated sites. ... Read more
Bioremediation of polycyclic aromatic hydrocarbons from industry contaminated soil using indigenous bacillus spp.

Author: Mandree, Prisha ; Masika, Wendy S ; Naicker, Justin ; Moonsamy, Ghaneshree ; Ramchuran, Santosh O ; Lalloo, Rajesh Date: Sep 2021 Polycyclic aromatic hydrocarbons (PAHs) are reportedly toxic, ubiquitous and organic compounds that can persist in the environment and are released largely due to the incomplete combustion of fossil fuel. There is a range of microorganisms ... Read more
Cloning, multicopy expression and fed-batch production of Rhodotorula araucariae epoxide hydrolase in yarrowia lipolytica

Author: Ramduth, D ; Roth, Robyn L ; Lalloo, Rajesh ; Simpson, C ; Mitra, RK ; Gorgens, J ; Ramchuran, Santosh O ; Mathiba, K Date: May 2008 Epoxide hydrolases (EHs) of fungal origin have the ability to catalyse the enantioselective hydrolysis of epoxides to their corresponding diols. However wild type fungal EHs are limited in the substrate range and enantioselectivity, additionally ... Read more
Competitive exclusion as a mode of action of a novel Bacillus cereus aquaculture biological agent

Author: Lalloo, Rajesh ; Moonsamy, Ghaneshree ; Ramchuran, Santosh O ; Görgens, J ; Gardiner, N Date: 2010 When B. cereus was tested in plate well inhibition studies, no production of antimicrobial compounds was detected. B. cereus had a high growth rate (0.96.h−1), whereas Aer. hydrophila concentration decreased by ∼70% in co-culture experiments. ... Read more
Development of Bacillus spp. consortium for one-step “Aerobic Nitrification-Denitrification” in a fluidized-bed reactor

Author: Roets-Dlamini, Yrielle ; Lalloo, Rajesh ; Moonsamy, Ghaneshree ; Kumari, S ; Nasr, M ; Ramchuran, Santosh O ; Bux, F Date: Feb 2022 Application of two-step “Autotrophic Nitrification and Anoxic Denitrification” for nutrients removal has found several limitations. This study aimed at isolating indigenous heterotrophic Bacillus strains for chemical oxygen demand (COD), ... Read more
Downstream process for production of a viable and stable Bacillus cereus aquaculture biological agent

Author: Lalloo, Rajesh ; Maharajh, Dheepak M ; Görgens, J ; Gardiner, N Date: Mar 2010 Biological products offer advantages over chemotherapeutics in aquaculture. Adoption in commercial application is lacking due to limitations in process and product development that address key end user product requirements such as cost, ... Read more
Establishing miniaturised structural testing techniques to enable high-throughput screening of microorganisms and microbial components for unpaved road stabilisation application

Author: Malapermal, Veshara ; Naicker, Prisha ; Mgangira, Martin B ; Mukaratirwa, Samson ; Lalloo, Rajesh ; Ramchuran, Santosh O Date: Jan 2020 Roads are expensive to develop particularly in challenging environmental conditions, and a lack of understanding of the properties of soil can lead to poor design and premature failures contributing to costly maintenance. The construction ... Read more
Functionality of a bacillus cereus biological agent in response to physiological variables encountered in cyprinus carpio aquaculture

Author: Lalloo, Rajesh ; Maharajh, Dheepak M ; Görgens, J ; Gardiner, NS Date: May 2008 Modern aquaculture utilises intensive reticulated systems resulting in waste accumulation and proliferation of disease. Conventional chemical treatments cause resistance in pathogens and negative environmental impact. The potential of a ... Read more
High-density spore production of a B. cereus aquaculture biological agent by nutrient supplementation

Author: Lalloo, Rajesh ; Maharajh, Dheepak M ; Gorgens, J ; Gardiner, NS ; Gorgens, JF Date: May 2009 Previous studies have demonstrated the efficacy of our Bacillus cereus isolate (NRRL 100132) in reducing concentrations of nitrogenous wastes and inhibiting growth of fish pathogens. In vivo efficacy and tolerance to a range of physiological ... Read more
In vivo statistical evaluation of efficancy of a biological agent on water quality in the rearing of ornamental Cyprinus carpio

Author: Ramduth, DM ; Lalloo, Rajesh ; Zulu, NN Date: Feb 2006 A biological treatment, containing a consortium of Bacillus species isolated from natural environments, was formulated into a prototype product. Experiments were aimed at demonstrating the effects of the prototype on water quality. Trials ... Read more
Indigenous algae: Potential factories for biodiesel production

Author: Maharajh, Dheepak M ; Lalloo, Rajesh Date: Nov 2008 The environmental effects of burning fossil fuels and the increased crude oil prices have triggered increased interest in biofuels. Biodiesel is traditionally produced from oil seed crops, which have lower yields per land area and threaten ... Read more
Isolation and selection of Bacillus spp as potential biological agents for enhancement of water quality in culture of ornamental fish

Author: Lalloo, Rajesh ; Ramchuran, Santosh O ; Ramduth, DM ; Gorgens, J Date: Feb 2007 Natural isolates obtained from mud sediment and Cyprinus carpio were purified and assessed in vitro for efficacy based on the inhibi-tion of growth of pathogenic Aeromonas hydrophila and the decrease in concentrations of ammonium, nitrite, ... Read more
Isolation, selection and evaluation of Bacillus spp. as potential multi-mode probiotics for poultry.

Author: Ramlucken, Uraisha ; Roets, Yrielle ; Ramchuran, Santosh O ; Moonsamy, Ghaneshree ; Van Rensburg, CJ ; Thantsh, MS ; Lalloo, Rajesh Date: Jun 2020 Bacillus based probiotics are becoming relevant as alternatives to antibiotics used in poultry production and in other animal husbandry. This study describes the isolation of 48 Bacillus spp. candidates, from chickens and chicken environments, ... Read more
Large-scale production of an abalone probiotic, Vibrio midae, isolated from a South African abalone, Halitotis midae for use in aquaculture

Author: Moonsamy, Ghaneshree ; Zulu, Nodumo Nokulunga ; Lalloo, Rajesh ; Ramchuran, Santosh O ; Singh, S Date: 2020 The South African abalone industry is under severe pressure due to illegal harvesting and poaching of this seafood delicacy. These abalone are harvested excessively and consequently, these animals do not have a chance to replace themselves, ... Read more
A novel Bacillus based multi-strain probiotic improves growth performance and intestinal properties of Clostridium perfringens challenged broilers

Author: Ramlucken, Uraisha ; Ramchuran, Santosh O ; Moonsamy, Ghaneshree ; Lalloo, Rajesh ; Thantsha, MS ; Jansen van Rensburg, C Date: Jan 2020 There is a necessity for the implementation of in-feed probiotics in the poultry production industry, following strict regulations around the use of antibiotic growth promoters (AGP). Bacillus spp. are becoming an attractive alternative because ... Read more
Performance evaluation of bio-based fractions derived from Bacillus spp. for potential in situ soil stabilisation

Author: Ramdas, Veshara ; Lalloo, Rajesh ; Mandree, Prisha ; Mgangira, Martin B ; Mukaratirwa, Samson ; Ramchuran, Santosh O Date: Feb 2022 Current and future research focuses on the use of renewable technologies and materials to stabilise weak soils, of varying degrees, for road construction applications. Soil stabilisation is a method of strengthening a natural soil to meet ... Read more
Production and stability of a multi-strain Bacillus based probiotic product for commercial use in poultry

Author: Ramlucken, Uraisha ; Ramchuran, Santosh O ; Moonsamy, Ghaneshree ; Jansen van Rensburg, C ; Thantsha, MS ; Lalloo, Rajesh Date: Mar 2021 Probiotics can be effective alternatives to the prophylactic use of antibiotic growth promoters (AGPs) in response to industry and consumer concerns around their use in poultry. Studies on the suitability of Bacillus probiotics are emerging ... Read more

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