Just choose pages with pretty patterns or pictures, cut them into a square or rectangle (depending on how big you want your envelope), and fold away. If you love origami, why not make a functional ...
DNA Nanotags for Multiplexed Single-Particle Electron Microscopy and In Situ Electron Cryotomography
CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology of China, CAS, Beijing 100190, China ...
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