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DESCRIPTION:We introduce new functions in super-structured assemblies [1] b
 ased on cellulose nanofibrils and nanocrystals as well as other renewable 
 nano- and micro-particles\, including those based on chitin\, tannins and 
 lignins [2]. Related efforts require control of interparticle and adhesive
  interactions to achieve macroscale and hierarchical assemblies with outst
 anding strength\, morphologies and designs. They can facilitate the creati
 on of biomimetic and advanced materials\, uniquely equipped with opto-mech
 anical and stimuli-responsive behaviors [3]. We discuss the topology of na
 nonetworks formed from renewable nanoparticles combined with mineral and o
 rganic components following a generic fabrication pathway [4]. A vast numb
 er of opportunities is further demonstrated from the association of nanoce
 lluloses and nanochitin in the formulation of multiphase systems\, includi
 ng foams and emulsions relevant to foodstuff and structural applications [
 5]. Our results are expected to expand the development of functional collo
 ids from laboratory-scale towards implementation in nanomanufacturing of b
 ulk materials. Our efforts in these directions need to consider the severa
 l challenges that still exist in relation to circularity and resource effi
 ciency. Hence\, we expand on the opportunities to reduce water intensity d
 uring processing [6] and to accommodate feedstock diversity\, to span stre
 ams that include residues from biomass processing and agri-food losses and
  waste [7].\n\n \n\n[1] Li et al.\, Developing fibrillated cellulose as a 
 sustainable technological material\, Nature\, 590\, 47 (2021). DOI:1 0.103
 8/s41586-020-03167-7\n\n[2] Bai et al.\, Adsorption and assembly of cellul
 osic and lignin colloids at oil/water interfaces\, Langmuir\, 35\, 571 (20
 19). DOI: 10.1021/acs.langmuir.8b01288\n\n[3] Tardy et al.\, Exploiting su
 pramolecular interactions from polymeric colloids for strong anisotropic a
 dhesion between solid surfaces\, Adv. Mat.\, 1906886 (2020). DOI: 10.1002/
 adma.201906886\; Tripathi et al.\, Expanding the upper limits of robustnes
 s of cellulose nanocrystal aerogels: outstanding mechanical performance an
 d associated pore compression response of chiral-nematic architectures\, J
 . Mat. Chem. A\, 7\, 15309 (2019). DOI: 10.1039/c9ta03950c\n\n[4] Mattos e
 t al.\, Nanofibrillar networks enable universal assembly of superstructure
 d particle constructs\, Sci. Adv.\, 6\, eaaz7328 (2020). DOI: 10.1126/scia
 dv.aaz7328\; Tardy et al.\, Deconstruction and reassembly of renewable pol
 ymers and biocolloids into next generation structured materials\, Chem. Re
 v. ASAP (2021). DOI: 10.1021/acs.chemrev.0c01333\n\n[5] Huan et al.\, Pick
 ering emulsions via interfacial nanoparticle complexation of oppositely ch
 arged nanopolysaccharides\, ACS Appl. Mat. & Interfaces\, 13\, 12581 (2021
 ). DOI: 10.1021/acsami.0c22560\n\n[6] Ajdary et al.\, Plant nanomaterials 
 and inspiration from nature: water interactions and hierarchically-structu
 red hydrogels\, Adv. Mat.\, 2001085 (2020). DOI: 10.1002/adma.202001085\; 
 Beaumont et al.\, Unique reactivity of nanoporous cellulosic materials med
 iated by surface-confined water\, Nature Comm\, 12\, 2513 (2021). DOI: 10.
 1038/s41467-021-22682-3\n\n[7] Otoni et al.\, The food-materials nexus: ne
 xt generation bioplastics and advanced materials from agri-food residues\,
  Adv. Mat.\, ASAP (2021). DOI: 10.1002/adma.202102520\n\n \n\nProfessor Or
 lando Rojas is a Canada Excellence Research Chair in University of British
  Columbia and Director of the Bioproducts Institute. In this latter role\,
  he synergizes a distinguished group of professors and researchers conduct
 ing multi- and cross-disciplinary research to create fundamental knowledge
  and applications\, from seed genetics to cutting-edge biorefining technol
 ogies\, from thermochemical and bio-conversion pathways to novel bio-based
  products. His research group\, Bio-based Colloids and Materials operates 
 between Vancouver (UBC) and Helsinki (Aalto University).\n	Prof. Rojas rece
 ived the Anselme Payen Award\, established by the American Chemical Societ
 y in 1962\, the highest recognition in the area of cellulose and renewable
  materials. He is an elected Fellow of the American Chemical Society (2013
 )\, the Finnish Academy of Science and Letters (2017) and recipient of the
  Tappi Nanotechnology Award (2015). He is adjunct professor in the Departm
 ent of Chemical and Biomolecular Engineering of North Carolina State Unive
 rsity.\n	Prof. Rojas is Associate editor of Biomacromolecules and Emeritus 
 Editor of J. Dispersion Science and Technology. He is member of the Marcus
  Wallenberg Foundation Selection Committee and Honorary Chair of the Asia 
 Pacific Young Scientists Association. Prof. Rojas most recent research gra
 nts include the prestigious European Research Commission Advanced Grant (E
 RC-Advanced) and a Horizon H2020 project\, among others.\n	Prof. Rojas is c
 o-lead of the national competence center to advance the Finnish materials 
 bioeconomy\, the FinnCERES Flagship\, between Aalto University and the Fin
 nish Research Center (VTT). Prof. Rojas is past-chair of Aalto’s Materials
  Platform and co-PI of the Academy of Finland's Center of Excellence in Mo
 lecular Engineering of Biosynthetic Hybrid Materials Research\, HYBER.\n	Du
 ring his career Prof. Rojas has advised 50 postdoctoral fellows\, 61 PhD a
 nd 50 MS students. He has also hosted 112 international visiting scholars 
 and professors. With a h-index of 74 and 28000 citations (Google Scholar)\
 , he has authored about 460 peer-reviewed papers and a larger number of co
 nference contributions related to the core research\, mainly dealing with 
 nanostructures from renewable materials and their utilization in multiphas
 e systems.\n\n \n\nJoin Zoom Meeting\n	https://mcgill.zoom.us/j/81013454699
 \n	Meeting ID: 810 1345 4699\n\n \n
DTSTART:20211022T150000Z
DTEND:20211022T163000Z
SUMMARY:Renewable Nanoparticles in Superstructured and Multiphase Materials
URL:https://www.mcgill.ca/miam/channels/event/renewable-nanoparticles-super
 structured-and-multiphase-materials-334124
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