David Levin

Contact via University of Manitoba

Key Research Areas
Associated Researchers
Associated Organizations

Recent Research Projects

Bioengineering Next Generation Biopolymers

2017/18-2019/20 • $72,000 • PI
Global production of petroleum-derived plastics is in excess of 310 million metric tonnes. Significant amounts (22% to 43%) of these non-biodegradable plastic materials are disposed of in municipal land-fill sites and million tonnes per year of plastic materials are accumulating in the oceans...

Production and modification of medium chain length polyhydroxyalkanoate for commercial applications

2016/17-2018/19 • $101,538 • PI,CO
A growing market pull for renewable and biodegradable products, both in Canada and internationally, has generated interest in the use of biodegradable polymers by the aerospace, automotive, construction, packaging and other sectors. Therefore, the overall objective of this research is to...

Optimization of Dispersin B production in Escherichia coli.

2017/18 • $25,000 • PI
Kane Biotech Inc. is a Manitoba-based company that provides innovative technologies that break down anddisperse microbial biofilms. Its mission is to discover and commercialize new technologies that will preventbiofilm-related infections in human and animal healthcare, as well as biofilm-related...

Genomics of Cellulose Fermentation for Process Optimization

2016/17 • $28,000 • PI
The use of biotechniology and microorganisms for production of value-added bioproducts is of great importance to industry. Chemical and process engineering methods are used to optimize growth of microorganisms and product yields. However, engineering approaches alone do not take into...

Bioengineering approaches to high-solids cellulose fermentation for biofuel production

2011/12-2015/16 • $125,000 • PI
The long-term objective of the research is to develop a semi-continuous, fed-batch fermentation process using high concentrations (10% or greater) of cellulose as the substrate for biofuels (ethanol and hydrogen) production. Our model organism, Clostridium thermocellum, is a gram-positive,...

Characterization of Hydrocarbon Degrading Microbial Cocktails: Improved Product Performance.

2015/16 • $25,000 • PI
New Leaf Biologics Ltd. (NLB) is a Manitoba-based company that provides environmentally compatible biological solutions to environmental pollution problems. Petroleum-based products are the major driver of the Canadian economy, and are the major source of energy for industry and daily life....

Tools for enhanced microbial synthesis of bioproducts.

2014/15 • $81,656 • PI,CO
A biotechnology and fermentation facility for bioengineering of biofuels and bioproducts was established in the Department of Biosystems Engineering in 2007. The availability of equipment in this facility enabled the applicants to secure significant levels of operating funds (> $1,000,000 per...

Characterization of medium chain length Polyhydroxyalkanoate polymers for biodegradable plastics

2014/15 • $25,000 • PI
Winpak Ltd. is a Winnipeg, Manitoba, based company that manufactures and distributes high-qualitypackaging materials and related packaging machines. The Company's products are used primarily for theprotection of perishable foods, beverages, and in health-care applications. Winpak operates a...

Characterization of microbial cultures with hydrocarbon degradative capabilities and reformulation for a bioremediation product

2014/15 • $25,000 • PI
Cypher Environmental Ltd. is a Winnipeg based company that provides proven environmentally friendly solutions in the areas of soil stabilization, dust control, and bioremediation of wastewaters and contaminated soils. Cypher Environmental's bioremediation technology incorporates bioaugmentation...

NSERC Hydrogen Canada (H2CAN) Strategic Research Network

2010/11-2013/14 • $3,923,325 • PI,CO
No summary

Use of reversible hydrogen storage materials for unmanned air vehicles

2013/14 • $25,000 • PI
Buoyant Aircraft Systems International (BASI) is a Manitoba based company that seeks to gain strategicadvantages in the manufacture of gas lifted unmanned air vehicles (UAVs) for cargo transportation andservices to remote regions and markets, such as resource extraction communities in the far...

Enhancement of ethanol yield and distillers dried grains with solubles (DDGS) nutritive value using enzyme technology

2011/12-2012/13 • $185,000 • PI,CO
A study is proposed to add value to wheat and corn DDGS products by means of fibre degradation using a multi-enzyme preparation of carbohydrases. It is proposed that the new enzyme product containing cellulase, xylanase, glucanase, arabinosidase, ferulic acid esterase, and other activities be...

Innovation in Bioethanol Research

2010/11-2011/12 • $564,978 • PI,CO
Liquid transportation fuels represent approximately 35% of the total energy consumption in Canada. The federal government has mandated a replacement of at least 5% of gasoline with ethanol by the year 2010 as part of a strategy to reduce reliance on fossil fuels. Husky Energy is one of the...

Development of designer microbial consortia for bioconversion of cellulose to energy and value-added products

2011/12 • $142,200 • PI,CO
As traditional energy supplies become diminished, there is an increasing need for a sustainable production of useful renewable energy. Biological conversion of a plentiful source of energy, plant biomass, to organic fuels, hydrogen, electricity and other useful products, is a viable alternative...

Canadian Biofuels and Bioproducts Workshop II: Bio-chemical and Thermo-chemical Conversion

2010/11 • $25,000 • PI,CO
First generation of biofuels exploited food crops such as corn, wheat, and soybean. Next generation biofuels will utilize ligno-cellulosic feedstocks, such as agricultural residues (cereal straws, hemp hurds, flax shives), fast growing grasses, short rotation forestry systems and residues from...

Bioengineering for 3rd generation biofuels

2010/11 • $24,060 • PI
The long-term objective of this research is to optimize continuous fermentation systems for direct fermentation of cellulosic biomass to biofuels (ethanol or H2) via consolidated bioprocessing (CBP). CBP is an alternative processing system in which cellulase production, substrate hydrolysis, and...



A process for producing medium-chain-length 3-hydroxyalkanoic acids in a liquid medium, the process comprising: (i) intermixing a liquid culture medium and a microbial inoculum comprising a pure culture of a Pseudomonas putida strain having a portion of a phaC1 gene deleted and/or a portion of a phaC2 gene deleted and/or a portion of a ?ha? gene deleted, (ii) culturing the mixture for a period of time to allow for microbial cell growth to occur in the liquid culture medium thereby producing...
Related applications: CA20112853171


Cationic zeolite compositions comprising a zeolite complexed with a cation. The zeolite may be one of Zeolite A, of Zeolite 4A, Zeolite Y, Zeolite L, Zeolite beta, Zeolite Socony Mobile No. 5, Gismondine, Mordenite, and combinations thereof. The cation may be one of calcium ions (Ca2+), magnesium ions (Mg2+), lithium ions (Li+), and sodium ions (Na2+). Methods for preparing the cationic zeolite compositions are disclosed. Methods of use of the cationic zeolite compositions are disclosed for...
Related applications: WO2013CA00525