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| cellulose | |
|---|---|
| Name | Cellulose |
| Formula | (C6H10O5)n |
| Mol weight | variable |
| Discovered | 1838 |
| Discoverer | Anselme Payen |
cellulose Cellulose is a linear polysaccharide composed of β-D-glucopyranose units linked by β-1,4-glycosidic bonds. It is a primary structural component of the cell walls in plants such as Arabidopsis thaliana, Zea mays, and Picea abies and is central to industries including Procter & Gamble, International Paper, and Stora Enso. Cellulose has major roles in sectors tied to World Bank development projects, United Nations sustainability goals, and innovations promoted by institutions like Massachusetts Institute of Technology and Max Planck Society.
Cellulose underpins the structural integrity of organisms ranging from Oryza sativa to Gossypium hirsutum, and appears in materials handled by corporations such as Kimberly-Clark and Bayer. Historical milestones involve figures and organizations including Anselme Payen, Royal Society, and research at University of Cambridge and ETH Zurich. Contemporary policy and commerce intersect through entities like the European Commission, Food and Agriculture Organization, and World Trade Organization.
The repeating β-1,4-linked glucose units confer crystallinity and form hierarchical structures in microfibrils characterized by models used at California Institute of Technology and Imperial College London. Hydrogen bonding networks create distinct crystalline allomorphs studied by researchers at Brookhaven National Laboratory and National Institute of Standards and Technology, and have implications for thermal behavior measured via methods developed at Lawrence Berkeley National Laboratory and Argonne National Laboratory. Mechanical properties are benchmarked against standards from ASTM International and influence product design by companies like 3M.
Plant cellulose is synthesized at the plasma membrane by cellulose synthase complexes containing CESA proteins identified in studies from Salk Institute and John Innes Centre. Algal and bacterial cellulose production involves taxa such as Acetobacter xylinum and genera researched at Scripps Institution of Oceanography and Woods Hole Oceanographic Institution. Occurrence spans ecosystems monitored by programs of the National Aeronautics and Space Administration, United States Geological Survey, and conservation work by World Wildlife Fund.
Industrial pulping and processing routes—kraft, sulfite, and mechanical—are employed by mills owned by UPM-Kymmene Corporation, Domtar Corporation, and Sappi Limited and regulated under frameworks of Environmental Protection Agency and European Environment Agency. Chemical modification to produce derivatives like cellulose acetate, carboxymethyl cellulose, and cellulose ethers is performed by firms such as Eastman Chemical Company and DuPont and guided by patents adjudicated at the United States Patent and Trademark Office and European Patent Office.
Cellulose and derivatives serve in textiles produced by Arvind Limited and PVH Corp., in paper products by International Paper and Smurfit Kappa Group, and as excipients in pharmaceuticals regulated by Food and Drug Administration and European Medicines Agency. Emerging lignocellulosic biofuels connect research at National Renewable Energy Laboratory and deployment in projects funded by Bill & Melinda Gates Foundation and Horizon Europe. Construction materials and composites are commercialized by manufacturers such as LafargeHolcim and Saint-Gobain.
Biodegradation pathways involve organisms studied at Pasteur Institute, Max Planck Institute for Terrestrial Microbiology, and University of California, Berkeley, with enzymes like cellulases characterized in research at EMBL and Cold Spring Harbor Laboratory. Lifecycle assessments performed by Intergovernmental Panel on Climate Change and Organisation for Economic Co-operation and Development address impacts of deforestation linked to industries evaluated by Greenpeace and IUCN. Standards and remediation programs involve agencies such as United Nations Environment Programme and Convention on Biological Diversity.
Frontiers include nanocellulose developed at University of British Columbia and Aalto University; microbial cellulose synthesis engineered via platforms at Broad Institute and European Molecular Biology Laboratory; and advanced composites trialed in collaborations with Airbus and Boeing. Funding and translational efforts are supported by entities like Wellcome Trust, National Institutes of Health, and private investors including Sequoia Capital and SoftBank Group. Ongoing clinical, industrial, and environmental studies feature partnerships with Harvard University, Stanford University, and national laboratories across the United States Department of Energy network.
Category:Polysaccharides