As autumn sets in, our partners at FCBA are finding shelter from the shifting weather in their lab where the work is anything but still. Here, the focus is on cellulose nanofibers (CNF) and how these tiny yet mighty structures could shape the next generation of sustainable materials.

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Reporting from the lab, Arthur Valencony, PhD student at FCBA, together with his supervisor Sandra Tapin-Lingua, are deep in the process of CNF characterization. Their method? Crafting sheets of nanopaper using a handsheet former equipped with a nitrocellulose membrane fine enough to capture even the smallest cellulose elements.

Each of these films is now being tested for its strength and resilience — tensile strength, elongation, tear resistance — and its ability to resist air and vapor. The results will reveal how CNF can be tuned to serve as durable, lightweight, and sustainable building blocks for future applications.

Beyond these experiments, the FCBA team is also conducting analyses on Bio-LUSH pulps to determine the Degree of Polymerization (DP) of cellulose according to TAPPI standards. Understanding how cellulose chain length and structure influence performance will help unlock more efficient, circular, and eco-friendly fiber processing methods.

Stay tuned — the Bio-LUSH Lab Notes continue, one lab at a time.

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