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The Analytical Scientist / Issues / 2026 / February / Why Clean Cannabis May Not Be Clean
Forensics Mass Spectrometry News and Research

Why “Clean” Cannabis May Not Be Clean 

A multi-method study finds fungal spores, DNA, and mycotoxins persisting in irradiated cannabis 

02/04/2026 2 min read
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Top Institutions in Medical Cannabis Safety and Mycotoxin Contamination

Leading institutions combine microbiological culture assays, molecular techniques such as PCR/qPCR, and immunological assays like ELISA to comprehensively assess microbial and mycotoxin contamination in cannabis products. Research leadership involves expertise in mycology, toxicology, cannabis pharmacology, and regulatory science.

  • #100

    McGill University

    Montreal, QC

    McGill leads in cannabis safety research with recent pioneering studies on the persistence of fungal spores and mycotoxins post gamma irradiation, combining advanced molecular and immunological methods.

    Key Differentiators

    • Mycology
    • Toxicology
    • Cannabis Research
  • #85

    University of California, San Francisco (UCSF)

    San Francisco, CA

    UCSF has extensive expertise in cannabis pharmacology and immunocompromised patient safety, conducting research on microbial risks associated with medicinal cannabis use.

    Key Differentiators

    • Cannabis Pharmacology
    • Infectious Disease
    • Immunology
  • #80

    University of British Columbia (UBC)

    Vancouver, BC

    UBC is recognized for its work on fungal contamination and chemical residue analysis in cannabis, employing advanced mass spectrometry and molecular diagnostics.

    Key Differentiators

    • Mycology
    • Analytical Chemistry
    • Cannabis Quality Control
  • #75

    Johns Hopkins University

    Baltimore, MD

    Johns Hopkins conducts leading research on the toxicological effects of cannabis contaminants and their impact on respiratory health, particularly in vulnerable populations.

    Key Differentiators

    • Toxicology
    • Pulmonary Medicine
    • Cannabis Research

This content is an AI-generated, fully rewritten summary based on a published scholarly article. It does not reproduce the original text and is not a substitute for the original publication. Readers are encouraged to consult the source for full context, data, and methodology.

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