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REVIEW article
Front. Public Health
Sec. Occupational Health and Safety
Volume 13 - 2025 | doi: 10.3389/fpubh.2025.1568581
This article is part of the Research TopicMineral Particles and Fibers and Human Health Risks: State-of-the-Art in Characterization, Analysis, Tissue Analytics, Exposure Thresholds for Risk, Epidemiology, and Risk Assessment for Science-Based Regulation and Disease Prevention and Implications for Occupational Health and SafetyView all 10 articles
Fluorescent Labeling of Asbestos Fiber for Enhanced Asbestos Detection under Fluorescence Microscopy
Provisionally accepted- Hiroshima University, Hiroshima, Japan
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The application of fluorescence microscopy (FM) for detecting micro-and nano-scale inorganic materials has historically been limited by the lack of specific fluorescent probes. However, recent research has demonstrated that asbestos-binding proteins can act as effective fluorescent probes, significantly enhancing the sensitivity and selectivity of FM for asbestos fiber detection. This advancement enables the identification of nano-scale fibers at lower magnifications, reducing the labor costs associated with asbestos contamination detection. Based on these advantages, two FMbased methods have been developed: (i) phase-contrast microscopy (PCM)-FM, a differential counting approach fully compatible with PCM-based epidemiological data, and (ii) portable FM, which shows strong potential for rapid on-site asbestos screening. Additionally, FM may enable multicolor labeling and live-cell fluorescent imaging of asbestos, opening new avenues for asbestos research. Despite these advancements, several challenges remain. Fluorescent probes alone cannot definitively identify asbestos, and issues such as cross-reactivity need to be addressed. This review highlights future perspectives and challenges for advancing FM methods in asbestos detection and research.
Keywords: Asbestos, fluorescence, fluorescent labeling, fluorescence microscopy, asbestosbinding protein
Received: 30 Jan 2025; Accepted: 15 Apr 2025.
Copyright: © 2025 Kuroda. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
* Correspondence: Akio Kuroda, Hiroshima University, Hiroshima, Japan
Disclaimer: All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations, or those of the publisher, the editors and the reviewers. Any product that may be evaluated in this article or claim that may be made by its manufacturer is not guaranteed or endorsed by the publisher.