We are proud to announce the successful conclusion of ISBC & ISLS 2026, held 25–29 May 2026 at Mercure Rayong Lomtalay Villas & Resort, Rayong, Thailand.The XXIII International Symposium on Bioluminescence and Chemiluminescence (ISBC) and the XXI International Symposium on Luminescence Spectrometry (ISLS) brought together leading scientists, researchers, and industry professionals from across the globe for five days of discovery and collaboration.10 World-Class Plenary Lectures🟢 ISBC Track1.    Prof. Nathan Shaner — Reporting Cell Signaling Events In Vivo Using Bioluminescence2.    Prof. Martin Marek — The Complexity of Renilla Bioluminescence: The Known and the Unknown3.    Prof. Tirayut Vilaivan — Fluorogenic Styryl Dyes and PNA Probes for Sensing and Imaging of Nucleic Acids4.    Prof. Robert E. Campbell — Fluorescent Biosensors to Spy on Cell Signaling and Metabolism5.    Prof. Elisa Michelini — Bioluminescent Biosensors with Bioinspired Tools for Portable and Wearable Diagnostics🔵 ISLS Track 6.   Prof. Vinich Promarak — ESIPT: Potential Solid-State Luminophores for Advanced Emitting Devices 7. Prof. Jose M. Costa-Fernandez — Photoluminescent Nanoparticles for Healthcare Diagnostics and Food Safety 8. Prof. Micha Fridman — Chemical Probes for Antifungal Research: Illuminating Mechanisms of Action 9. Prof. Tony D. James — Fluorescent Chemosensors and Imaging Agents 10. Prof. Martin Vacha — Nanoscale Properties of Organic and Hybrid Materials at the Single-Molecule LevelConference at a Glance•    Parallel scientific sessions on reaction mechanisms, nanomaterials, biosensing, bioimaging, optical spectroscopy, and electroluminescence•    11 flash talks spotlighting early-career researchers•    38 poster presentations across three dedicated poster sessions•    A special memorial session honoring the enduring legacy of the late Prof. Yoshihiro Ohmiya — a pioneer of the global bioluminescence community•    Award announcements celebrating outstanding scientific contributionsWith GratitudeThis event would not have been possible without our wonderful community. A heartfelt thank you to every speaker, attendee, and volunteer who made this symposium shine.We also extend our sincere appreciation to our co-organizers Mahidol University Faculty of Science and NSTDA, and our generous sponsors LUMICA, Bara Scientific, Synthelis Biotech, Light Conversion, and JEOL.The torch now passes to Europe! We look forward to reuniting with the luminescence community at the next symposium in 2028. Thank you for making Rayong an unforgettable chapter in this journey. View the full conference gallery here. https://drive.google.com/drive/folders/17e_Z_Op-DxFO7Cb-j3zlNG15YtD70Rfn