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Updated: Dec 28, 2025
Towards Biomimicking Wood: Fabricated Free-standing Films of Nanocellulose, Lignin, and a Synthetic Polycation
Published on: June 17, 2014
Isolation and characterization of microfibrillated cellulose and nanofibrillated cellulose with "biomechanical
Mandeep Singh1, Vikas Pahal1, Dheeraj Ahuja2
1Dolphin (PG) College of Science & Agriculture, Punjabi University, Patiala, Punjab, India.
Abstract:
Waste biomass of two major milk weeds was separately given combination of chemical-mechanical treatments in order to expose natural cellulosic micro and nano-fibrillated structures (MFCs and NFCs). Compositional and FTIR analysis were initially used to confirm the removal of impurities. WA-XRD and FESEM analysis of MFCs further revealed presence of highly crystalline, fine-shaped materials that resemble carbonaceous structures. HR-TEM analysis further exposed morphology of the two nanofibrils possessing a well entangled network (diameter ≤80 nm) comprising coil shaped fine spots of size up to 80 nm-220 nm. Morphology even got clearer when STEM and EDX mapping of the NFCs assured that observed fine-spots are integral and possibly due to certain biosynthetic process. Presence of calcium elements in two types of NFCs provided important evidence of exposure of nanocellulose-xyloglucan-pectin configuration responsible for coil-shaped fine-spots resembling "biomechanical hot spots".
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