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Dr Bahman Seifi (Department of Physics and Physical Oceanography, Memorial University of Newfoundland and Labrador)23/06/2026, 18:00Physics in Medicine and Biology / Physique en médecine et en biologie (DPMB-DPMB)Poster (Non-Student) / Affiche (Non-étudiant(e))
Proteins are often described by a single-funnel free-energy landscape leading to one native structure, yet metamorphic proteins reversibly interconvert between distinct folded states under physiological conditions. Lymphotactin (XCL1) is a striking example, exhibiting a chemokine-like monomeric fold and an alternative all-β dimeric fold whose equilibrium populations shift with temperature and...
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Elizabeth Allison (Western University)23/06/2026, 18:00Physics in Medicine and Biology / Physique en médecine et en biologie (DPMB-DPMB)Poster Competition (Graduate Student) / Compétition affiches (Étudiant(e) 2e ou 3e cycle)
Objective physiological tests are needed to assess hearing abilities of children who are not developmentally mature enough for behavioural hearing tests. One such physiological test to assess hearing sensitivity is the envelope following response (EFR). EFRs are scalp-based recordings of neural activity at the brainstem level that follows the envelope of sounds, such as naturally spoken...
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Soroush Ghomashchi (University of Toronto)23/06/2026, 18:00Physics in Medicine and Biology / Physique en médecine et en biologie (DPMB-DPMB)Poster Competition (Graduate Student) / Compétition affiches (Étudiant(e) 2e ou 3e cycle)
Cervical cancer remains a major global health burden, with Image-guided High-Dose-Rate Brachytherapy (HDR-BT) serving as a critical treatment modality, delivering precise radiation to the tumor while sparing organs at risk. While MRI is the gold standard for defining the Gross Tumor Volume (GTV), High-Risk Clinical Target Volume (HR-CTV), and Intermediate-Risk Clinical Target Volume (IR-CTV),...
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Gabrielle Z. Lachance (Dept. Physics, Carleton Univ., Ottawa, Canada)23/06/2026, 18:00Physics in Medicine and Biology / Physique en médecine et en biologie (DPMB-DPMB)Poster not-in-competition (Undergraduate Student) / Affiche non-compétitive (Étudiant(e) du 1er cycle)
X-ray imaging in medicine, industry, and security can be limited by low contrast between materials. Our lab is developing a Simultaneous-Primary-Scatter x-ray imager (SPSxi), akin at a basic level to combining bright field and dark field imaging in microscopy. Radiation from a rotating-anode x-ray tube is collimated into pencil beams using tungsten/copper plates and the object is...
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Darya Sukhina23/06/2026, 18:00Physics in Medicine and Biology / Physique en médecine et en biologie (DPMB-DPMB)Poster Competition (Undergraduate Student) / Compétition affiches (Étudiant(e) du 1er cycle)
Modelling photon propagation in biological tissue is crucial for developing effective in vivo optical spectroscopic methods, such as those used to quantify blood oxygenation and the concentration of cytochrome c oxidase in its various redox states. However, current analytical models of light propagation in tissue are complex, making their implementation and usage quite challenging. Recently,...
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Justus McRae (Brock University)23/06/2026, 18:00Physics in Medicine and Biology / Physique en médecine et en biologie (DPMB-DPMB)Poster Competition (Undergraduate Student) / Compétition affiches (Étudiant(e) du 1er cycle)
The motility of peritrichous bacteria, such as Escherichia coli (E. coli), is largely governed by “run-and-tumble” movements. E. coli have approximately 6 flagella which they use to propel themselves through viscous media. When these flagella rotate in a counterclockwise manner, the E. coli “run”, and are pushed in a steady direction forward. When the flagella rotate in a clockwise...
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Vethushan Ramalingam (University of Waterloo)23/06/2026, 18:00Physics in Medicine and Biology / Physique en médecine et en biologie (DPMB-DPMB)Poster Competition (Graduate Student) / Compétition affiches (Étudiant(e) 2e ou 3e cycle)
Motivation/Background: Optical Coherence Tomography (OCT) signals provide highly sensitive measures of reflective elements in target tissue. The speckle of an OCT signal can capture cellular dynamics using a set of techniques referred to as dynamic OCT, which produces contrasts corresponding to molecular movements. OCT time signals also contain spectral information which have been used in...
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Kexin Zhao (Department of Physics, University of Ottawa)23/06/2026, 18:00Physics in Medicine and Biology / Physique en médecine et en biologie (DPMB-DPMB)Poster not-in-competition (Graduate Student) / Affiche non-compétitive (Étudiant(e) du 2e ou 3e cycle)
Elucidating the complex roles of carbohydrates in health and disease requires the development of novel biophysical methods; however, single-molecule analysis of these polymers remains a formidable challenge due to their structural heterogeneity and rapid dynamics. While solid-state nanopores offer a platform for label-free single-molecule sensing, the characterization of short polysaccharide...
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Melanie Martin23/06/2026, 18:00Physics in Medicine and Biology / Physique en médecine et en biologie (DPMB-DPMB)Oral (Non-Student) / Orale (non-étudiant(e))
An axon is a component of a neuron found in the central nervous system (CNS). Axon geometry is thought to change with diseases and disorders. The gold-standard for measuring axon diameters and axon densities within fibres is electron microscopy (EM). EM requires postmortem samples making the method unsuitable to understand the time course of any change in geometries of axons in the CNS....
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