UPCON 2024 (Montréal, Canada) 4th Conference on Properties, Design, and Applications of Upconversion Nanomaterials REGISTRATIONUPCON 2024 registration is now open. We recommend to register as soon as possible. https://event.fourwaves.com/upcon2024/pages (Please use the fourwaves link above for your registration!) REGISTRATION FEES(ALL REGISTRATION FEES ARE IN CANADIAN DOLLARS AND INCLUDE WELCOME COCKTAIL AND CONFERENCE DINNER)Students: $500Postdocs: $650Others: $1,000