This is my dog Mengmeng
(aka my research mate)
Bet u'll luv her :)

Mengmeng

About

Research Interest

  • Computational Chemical Biology
  • Protein-Ligand Interactions
  • Medical Image Analysis
  • Computational Cardiology
  • Cardiovascular Biology
  • Environmental Emission Modelling

This is my dog Mengmeng
(aka my research mate)
Bet u'll luv her :)

Mengmeng

Education / Employment

2024 – Ongoing Department of Biological Sciences
University of Toronto
2024 – Ongoing Department of Physical and Environmental Sciences
University of Toronto
2022 – Ongoing Department of Computer and Mathematical Sciences
University of Toronto

Academic Service

2026 Peer-Reviewer
Current Medical Imaging

Research

2026 - 2026 · Animal Behaviour

Do Cat-egories Really Exist?

An animal behaviour study of domestic-cat personality structure, integrating Gaussian mixture modelling, continuous-reference simulation, resampling stability, cross-algorithm comparison, and demographic sensitivity to test whether reproducible profiles represent discrete behavioural categories.

Researcher[s]: Guan, T.;

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2026 - 2026 · Biomedical Informatics

Release Sensitivity in Biomedical Knowledgebases

A support-aware, reproducible audit of release sensitivity across Open Targets Platform versions, assessing changes in disease–target scores, fixed-roster rankings, candidate turnover, and entity mapping.

Researcher[s]: Guan, T.; Feng, R.; Li, W.‡,⊤; Guan, L.‡,⊤; Li, C.‡,⊤; Liu, F.‡,⊤; (‡Equal Contribution; ⊤No Precedence)

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2026 - ONGOING · Computational Chemical Biology

Dynamic FABP Recognition of PFECAs

A computational chemical biology study of PFECA-FABP molecular recognition, integrating chemical, structural, and protein-family evidence to investigate cross-isoform binding behaviour.

Researcher[s]: Guan, T.; Du, P.;

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2026 - 2026 · Molecular Biology

Multimodal Lac Operon Profiling

A multi-assay characterization of E. coli lac operon regulation, integrating β-galactosidase activity, chromogenic phenotyping, protein profiling, and colony PCR to distinguish wild-type and mutant regulatory states.

Researcher[s]: Guan, T.‡,⊤; Ravindrakumar, J.‡,⊤; Modi, L.‡,§; Utami, Q.‡,§; (‡Equal Contribution; ⊤No Precedence; §No Precedence)

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2025 - 2026 · Cardiac Image Analysis

Structured Coronary Representation Framework

A structured, robustness-aware framework for interpretable CCTA-derived coronary representation and multi-source (CCTA, DSA, collaboration with hospitals) clinical validation.

Researcher[s]: Guan, T.‡; Feng, R.‡; Zhang, Q.; Gong, X.; Long, W.; (‡Equal Contribution)

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2025 - 2026 · Environmental Informatics

Release Sensitivity of Historical EDGAR Emissions

A lineage-aware, reproducible audit of historical CH4 and N2O revisions across EDGAR releases, assessing release sensitivity in emission magnitudes, long-term trends, and country-sector rankings.

Researcher[s]: Guan, T.; Nguyen, J. U.-V.; Li, W.‡,⊤; Guan, L.‡,⊤; Li, C.‡,⊤; Liu, F.‡,⊤; (‡Equal Contribution; ⊤No Precedence)

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2025 - 2026 · Organometallic Chemistry

Controlled Organometallic Catalysis

An organometallic chemistry study of transition-metal catalysis, integrating Pd/Cu redox cycling, Co–C bond activation, radical mechanisms, and structural evidence to examine how catalytic environments control reactivity and selectivity.

Researcher[s]: Guan, T.;

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2025 - 2026 · Environmental Informatics

Leakage-Controlled Emission Modelling

An environmental informatics study of European Cd, Hg, and Pb emission inventories, integrating data harmonization, leakage-controlled machine learning, spatial validation, and model benchmarking to evaluate short-horizon inventory updating.

Researcher[s]: Guan, T.; Nguyen, J. U.-V.;

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2025 - 2025 · Analytical Chemistry

Comprehensive Chemical Assessment of Rhus typhina Silage for Herbivores at the Toronto Zoo

A QA / QC-focused proposal integrating inorganic nutritional quality and fermentation markers.

Researcher[s]: Guan, T.; Nguyen, J. U.-V.;

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2025 - 2026 · Fluorescence Spectroscopy

Quinine Fluorescence and Quenching

A fluorescence spectroscopy study of quinine, integrating quantitative calibration, chloride quenching, Stern-Volmer analysis, and pH-dependent fluorescence to characterize emission behaviour across changing chemical environments.

Researcher[s]: Nguyen, J. U.-V.; Guan, T.; Torigata, Y. (Lab Manager);

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2025 - 2025 · Analytical Chemistry

Nucleotide Profiling in Infant Formula

An analytical chemistry study of nucleotide composition in infant formula, integrating UV–Vis calibration, HPLC separation, matrix-aware sample preparation, and chromatographic quantitation of five nucleotide monophosphates.

Researcher[s]: Guan, T.; Nguyen, J. U.-V.; Torigata, Y. (Lab Manager); Adamo, T. (TRACES Manager);

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2024 - 2025 · Biostatistics

Systolic Blood Pressure Risk Factor Modelling

A biostatistics study of systolic blood pressure variability, integrating multivariable regression, nested model comparison, interaction analysis, and diagnostic testing to characterize demographic, lifestyle, and treatment-related associations with SBP.

Researcher[s]: Gazzaly, M. S. M.; Khan, M.‡; Guan, T.‡; Tao, J.‡; Nirmalaraj, I.‡; (‡Equal Contribution)

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2021 - 2021 · Computer Vision

Occlusion-Robust Object Recognition

A computer vision study of overlapped-object recognition, integrating local SIFT features, scale-space keypoint analysis, and part-level visual representations to improve weakly supervised recognition under occlusion.

Researcher[s]: Guan, T.; Chong, Z.; Chong, X.;

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2020 - 2021 · Image Processing

Nonlocal Mean Fracture Imaging

An image processing study of low-contrast CT fracture recognition, integrating background normalization, non-local mean filtering, threshold-based region separation, and graph-based denoising to improve crack extraction under high-noise conditions.

Researcher[s]: Guan, T.; Li, W.; Long, W.;

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Publication

2026 · Submitted to Nature Computational Science (NCS)

A network update redistributes functional content and candidate priorities

A reproducible, support-aware technique for evaluating how network knowledgebase updates alter functional capture, candidate-budget allocation and donor-specific priorities while distinguishing aggregate performance shifts from functional composition, structural baselines and identity-linked uncertainty.

Author[s]: Anonymized†; (†Anonymized due to double-blind review)

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2026 · Under Revision at Mammalian Biology

Behavioural profiles in domestic cats: repeatable trait combinations and method-dependent membership

A reproducible, evidence-linked analysis of personality profiles in domestic cats while distinguishing profile-level separation and repeatability from analytical sensitivity and individual membership uncertainty.

Author[s]: Guan, T.;

2026 · Submitted to Computerized Medical Imaging and Graphics (CMIG)

TRACE: Evidence-Linked Computational Representation of Coronary Quantification from CCTA to Clinical Reports

A reproducible, evidence-linked framework for quantifying coronary anatomy and stenosis from CCTA while preserving measurement provenance, assessability, perturbation sensitivity, and cross-source correspondence with clinical reports.

Author[s]: Anonymized†; (†Anonymized due to double-blind review)

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2026 · Under Revision at Scientific Data

Support-aware evaluation of release sensitivity in a biomedical knowledgebase

A reproducible, support-aware framework for quantifying how Open Targets Platform release changes affect disease–target scores, rankings, candidate turnover, and downstream analytical conclusions.

Author[s]: Guan, T.; Feng, R.;

2026 · Under Peer-Review at Environmental Research Letters (ERL)

Historical greenhouse gas trends and country rankings can depend on database release

A reproducible release-sensitivity framework for quantifying how historical EDGAR revisions affect greenhouse-gas trends, country rankings, and analytical conclusions.

Author[s]: Guan, T.; Nguyen, J. U.-V.;

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2026 · Under Revision at Signal, Image and Video Processing (SIVP)

CoroConcept: Three-Dimensional Image Processing for Auditable Coronary Descriptor Extraction from CCTA Segmentation Masks

An auditable 3D post-segmentation pipeline that turns CCTA coronary masks into structured quantitative descriptors.

Author[s]: Guan, T.;

2026 · Environmental Monitoring and Assessment (EMA)

Leakage-Controlled Machine Learning for European Cd, Hg, and Pb Emission Inventories

An auditable, leakage-controlled machine-learning framework for provisional spatial updating of European Cd, Hg, and Pb emission inventories.

Author[s]: Guan, T.; Nguyen, J. U.-V.;

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2021 · IEEE 2nd International Conference on Information Technology, Big Data and Artificial Intelligence (ICIBA)

Recognition of Overlapped Objects via Weakly-Supervised Methods with Bag of Alphabets

A weakly-supervised recognition framework using a bag-of-alphabets model to identify and classify overlapping objects.

Author[s]: Guan, T.;

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2021 · CONVERTER

Nonlocal Mean Filtering Algorithm for Low Contrast Images and its Application

An improved nonlocal mean filtering approach for enhancing low-contrast image quality and demonstrating its practical applications.

Author[s]: Guan, T.;

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