Projets novateurs réalisés

Explorez des milliers de projets réussis issus de la collaboration entre organisations et talents postsecondaires.

30156 projets achevés

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5059
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812
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673
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842
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8957
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9368
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96
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579
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1120
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Projets par catégorie

EyesIQ

The current EyesIQ system has a few limitations in terms of performance and accuracy:To be able to stitch images from a 2D microscope slide, the 2D position from one image to another needs to be calculated. This process is called image registration. However, inaccuracy in the image registration algorithm introduces a slight error in calculated image position. As more images are being stitched together, the image registration error accumulates. For example, the image position error is more noticeable when the path of the images form a loop. If the image registration is errorless throughout the entire path, the first image position and the last image position should be exactly the same. Namely, the images should be right on top of each other. However, due to accumulated image registration error, the 2D positions of the first image and the last image are inconsistent.

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Superviseur du corps professoral :

Matei Ripeanu

Étudiant :

Partenaire :

Discipline :

Engineering

Secteur :

Université :

The University of British Columbia

Programme :

Accelerate

A Study of Basic Iron Sulfate Formation and Control in the Autoclaving of Argentiferous Sulfide Gold Ore

Autoclave treatment of refractory sulfide gold ores oxidizes minerals, such as pyrite, containing gold that cannot be recovered through conventional cyanidation. Oxidation liberates the gold by putting iron into solution. At high temperature and pressure, the dissolved iron tends to precipitate. A problematic iron precipitate that may form is basic iron sulfate (BFS). In the gold industry, BFS is re-dissolved in a “hot cure” process. Two complicating factors occur within the hot cure. First, if there is silver in solution, it reacts with ferric sulphate to form a refractory precipitate, called silver jarosite; treatment in boiling lime solution near boiling temperatures can recover silver from silver jarosite. The second issue is the presence of other salts in solution which precipitate, preventing the formation of silver jarosite or co-precipitating with silver. The proposed research looks at characterizing the species that form through each step of the autoclave – hot cure – lime boil circuit, investigating the effects of feed composition on silver recovery, and adding complexing agents to avoid silver jarosite precipitation. The results of the project will determine whether this process can be commercially implemented to a range of ore bodies, with high recovery and no technical hiccups.

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Superviseur du corps professoral :

David Dreisinger

Étudiant :

Partenaire :

Barrick Gold Corporation (Toronto, ON);Barrick Gold Corporation (Vancouver, BC)

Discipline :

Engineering

Secteur :

Mining

Université :

The University of British Columbia

Programme :

Accelerate

A Study of the Modes of Gold Loss in the Calcium Thiosulfate Leaching of Preg-robbing Ores

The evermore increasing complexity of gold ores is forcing operations to seek alternative gold leaching reagents to the traditional use of cyanidation. At the Barrick Goldstrike mine, the implementation of a non-toxic thiosulfate leaching process is about to become an industrial reality. With modification to the existing infrastructure and leaching circuit, this new process allows for the continued use of autoclaves that were otherwise rendered obsolete. Alkaline pressure oxidation followed by calcium thiosulfate leaching and gold recovery by resin adsorption is used to treat refractory ores not amendable by conventional cyanidation. Nonetheless, this alternative and complex leaching process is found to yield variable gold recoveries in the absence of an anion exchange resin in the leaching step. The mechanisms by which this loss in gold occurs is still unknown. The objective of this work is thus to investigate the modes of gold loss during CaTS leaching.

Voir la description complète du projet
Superviseur du corps professoral :

David Dreisinger

Étudiant :

Partenaire :

Barrick Gold Corporation (Toronto, ON)

Discipline :

Engineering

Secteur :

Mining

Université :

The University of British Columbia

Programme :

Accelerate

Multiple impacts of anthropogenic obstructions on the migrations of fishes

Ducks Unlimited Canada operates multiple fishways slated for replacement throughout Nova Scotia. Recent fishway passage studies on alewife indicate that identifying problem areas for fish passage, and altering fishway design accordingly, greatly increases fish passage. To assess fish passage at fishways, movements of fish will be monitored using passive integrated transponder tags and antenna systems. Predator exploitation of fishes during migration delays will be determined by acoustically tracking predators and prey. Fish passage at new ‘fish-friendlier’ tide gates will also be compared to that at traditional top-hinged gates. Abundance and diversity of fishes upstream of obstacles will be quantified and this will be correlated to number, type, and passage efficiency of obstructions. In this study, problem areas for fish passage will be identified where stakeholders need to improve bypass design to mitigate negative impacts on fish passage and population viability

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Superviseur du corps professoral :

Michael Stokesbury

Étudiant :

Partenaire :

Irving Oil Ltd;Ducks Unlimited Canada (NS)

Discipline :

Life Sciences

Secteur :

Sustainability & the Environment; Natural Resources; Life Sciences (not health)

Université :

Acadia University

Programme :

Accelerate

Identification des mécanismes moléculaires et prévention de la toxicité reproductive mâle causée par des combinaisons de fusariotoxines (déoxynivalénol (DON), zéaralénone (ZEN) et fumonisine B1 (FB1))

Les effets des mycotoxines sur la reproduction chez la femelle sont bien documentés dans la littérature scientifique. L’objectif de ce projet est d’évaluer l’effet de certaines mycotoxines (DON, ZEN et FB1), prisent seules ou en combinaison, sur les cellules de reproduction du mâle notamment les cellules de Leydig. Après contamination des cellules, les paramètres évalués seront : la viabilité cellulaire, l’analyse de la mitose et la production des radicaux libres. Une deuxième étape du projet consistera à prévenir les effets déletaires des mycotoxines sur les cellules par l’utilisation de la vitamine E et de la sésamine, deux molécules reconnues pour leurs effets antixydants. Cette étude permettra d’élucider en partie, les mécanismes d’action des mycotoxines sur les cellules de reproduction du mâle et d’évaluer la capacité de protection que peut procurer la vitamine E et de la sésamine en cas de contamination. Ce projet de recherche permettra aussi à l’entreprise partenaire, jusque là versée principalement dans la reproduction chez la femelle, de s’intéresser de plus prêt à la reproduction chez le mâle.

Voir la description complète du projet
Superviseur du corps professoral :

Younes Chorfi

Étudiant :

Partenaire :

Medivet

Discipline :

Life Sciences

Secteur :

Agriculture; Professional, scientific and technical services

Université :

Université de Montréal

Programme :

Accelerate

Measuring the Neural Responses to Auditory Rhythm and Beat in Nonhuman Primates

Despite the amazing level of shared neural machinery between humans and nonhuman primates, only humans appear to sense and react to musical rhythm. This ability spontaneously occurs very early in development, and has played a major role in human culture for millennia. The goal of this project is to advance our understanding of the neural bases of rhythm perception. This research investigates the neural processes underpinning uniquely human responses to rhythm, and compares them to the neural processes underpinning more general timing abilities that are shared across species. We will measure neural activity in humans and macaques as they listen to rhythmic sequences that resemble musical rhythms by giving a sense of beat, and to sequences that are irregular and give no sense of beat. Observing human brain responses that are distinct from macaque brain responses for beat-based rhythms will help us understand the uniquely human neural machinery that gives rise to complex auditory-motor behaviours.

Voir la description complète du projet
Superviseur du corps professoral :

Jessica Grahn

Étudiant :

Partenaire :

Universidad Nacional Autónoma de México

Discipline :

Life Sciences

Secteur :

Education

Université :

Western University

Programme :

Globalink Research Award

Remote slit-lamp diagnostic tool

The main objective of the project is to provide the Institut de l’OEil des Laurentides (IOL) with the capability of receiving patients from remote locations without requiring the patients to physically come to the IOL. A remote diagnostic tool would allow the IOL to improve the comfort of patients as well as expand its activities to new locations farther away or outside of Québec. The main technological contribution of the project will be the development of a platform for remotely using a slit-lamp while preserving the stereoscopic vision capability that is currently available only to the locally located ophthalmologist. A stereoscopic capture, transmission, storage and display solution will be developed to support this effort. The validation of the system in a clinical practice environment will be performed to ensure the acceptability by ophthalmologists and the usability by non-specialized and remotely located technicians.

Voir la description complète du projet
Superviseur du corps professoral :

Carlos Vazquez

Étudiant :

Partenaire :

Institut de l'oeil des Laurentides

Discipline :

Engineering

Secteur :

Health and Related Sciences & Technology

Université :

École de technologie supérieure

Programme :

Accelerate

Synthesis & Development of Nano and Microsponge Formulations for Treatment of Osteoarthritis

Osteoarthritis is a slow and progressive degenerative joint disorder, and is the most common form of arthritis, causing a significant reduction in the quality of life of afflicted individuals. A common treatment for this disease is to inject corticosteroids, such as triamcinolone acetonide (TA), directly into affected joints, which treats the joint inflammation that causes pain, swelling and reduced mobility. However, the effect of these drugs is short lived due to the rapid clearance of the drug from the joint synovial fluid. Nanoferix has developed a new technology for drug delivery by encapsulating drugs into nano- or micron-sized particles that are specially formulated for stable and slow drug release. Using this technology, we will employ three differently sized particles loaded with the corticosteroid drug TA to optimize long-term and stable drug release in synovial fluid of arthritic joints, as a new and effective treatment approach for advanced osteoarthritis.

Voir la description complète du projet
Superviseur du corps professoral :

Christine Allen

Étudiant :

Partenaire :

Nanoferix;DiaTech

Discipline :

Life Sciences

Secteur :

Professional, scientific and technical services

Université :

University of Toronto

Programme :

Accelerate

Barley Flour: Chemical Composition, Effect of Enzymatic Treatment on Flavor Interaction, and its Application in High Protein Food Products

The main objective of this research study is to investigate the potential of proteins from barley as functional ingredients and to study their interactions with some selected flavors. Three specific objectives will be addressed throughout this project. Barley protein will be isolated and qualified, including determining its functionality properties (ex. emulsification, foaming), and the effects of protein profiles (barley proteins, other control proteins) and their forms (native, enzymatic hydrolysates), on the protein/flavor interactions and the overall acceptance (in terms of the sensory properties) of a selected high-protein product will be investigated. Optimization of the flavor profile of a selected high-protein product while incorporating barley protein. This projects presents an opportunity for Bariatrix Nutrition Inc to have an edge in terms of understanding barley protein and direct implementation into its products. Moreover, a comparison of proteins and their flavor interaction can improve formulation in terms of increasing flavor shelf life in their wide array of products.

Voir la description complète du projet
Superviseur du corps professoral :

Salwa Karboune

Étudiant :

Partenaire :

Bariatrix Nutrition Inc

Discipline :

Life Sciences

Secteur :

Manufacturing

Université :

McGill University

Programme :

Accelerate

Towards interactive and adaptive visualizations for preferential choices and public engagement

Information visualization is gaining importance for analyzing large and complex datasets. There is evidence that user’s performance and satisfaction in working with visualizations can be influenced by cognitive or personality traits. Thus, researches have started investigating how information visualization tools could be made more effective and usable by enabling them to adapt in real-time to user’s traits. However past researches mostly focused on simple visualization such as bar charts, and simple tasks. The intern will contribute to this line of work by investigating user’s behavior when working with an advanced interactive interface designed by the partner organization, which combines different visualizations for making subjective decisions. The intern will study if past results found for simpler visualization/tasks still hold with this more advanced interface. The partner organization will benefit from this work by usability tests of their system as well as guidelines to design more effective and attractive interfaces.

Voir la description complète du projet
Superviseur du corps professoral :

Cristina Conati

Étudiant :

Partenaire :

Envision Sustainability Tools Inc.

Discipline :

Computer science

Secteur :

Information and cultural industries

Université :

The University of British Columbia

Programme :

Accelerate

Investigation and implementation of high performance passive and active building blocks of a silicon-based integrated millimeter-wave radar transceiver for automotive safety applications

This project is intended to investigate and address some of the challenges in the implementation of high quality factor and compact passive components and structures and their application in implementation of active circuit blocks in integrated circuit silicon technology at millimeter wave range of frequency. Advanced deep sub-micron silicon technologies such as SiGe and CMOS offer fast and high frequency transistors however the substrate is lossy and a challenging environment for implementation of high frequency passive components. Overcoming this challenges will pave the road for implementation of low cost and mass production grade devices and system on chip at very high frequency for emerging applications of automotive radar sensors and Gigabit/sec communication and wireless data transfer. MMSENSE Technologies is currently developing products in millimeter wave band for sensing and communication markets and this project will address some of the challenges in product development in leading edge silicon based technologies. Conducting research in this area and applying latest research results into the product development will help MMSENSE Technologies to stay competetive and develop competitive products for emerging millimeter wave applications

Voir la description complète du projet
Superviseur du corps professoral :

Ammar Kouki

Étudiant :

Partenaire :

mmSense Technologies

Discipline :

Engineering

Secteur :

Information and cultural industries; Manufacturing

Université :

École de technologie supérieure

Programme :

Accelerate

Sequential Pattern and Association Rule Mining with Big Sales data for Online Merchants

The goal of this research project is to answer the following two highly-coupled questions concerning essentially all online merchants: (1) which items in my current inventory are highly relevant and should be sold or recommended together? and (2) what new merchandise should be put into my current online store? The key to answering the above questions relies on efficient data mining techniques that discover interesting relations between merchandise in large-scale online sales transactions. The research problems of this project come directly from the practical demand of the partner organization, Terapeak. This project follows the company’s strategic plan in performing high-quality and more efficient market analysis with big data. New technologies to facilitate online shopping and attract online buyers are indispensable for Terapeak to remain competitive in the e-commerce market.

Voir la description complète du projet
Superviseur du corps professoral :

Kui Wu

Étudiant :

Partenaire :

Terapeak

Discipline :

Computer science

Secteur :

Information and cultural industries

Université :

University of Victoria

Programme :

Accelerate

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