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Polysaccharides, Volume 2, Issue 1

2021 March - 13 articles

Cover Story: The manufacture of regenerated cellulosic (RC) fibers from recycled sources of cellulose is deemed a sustainable approach to enabling a more circular textile economy. This study demonstrated how RC fibers were wet spun from cotton pulp that was recycled from cotton T-shirts. The activated cellulose pulp was dissolved in lithium chloride/N, N-dimethylacetamide (LiCl/DMAc), and modified with 10% (weight/weight, w/w) GA (glucaric acid) to strengthen the fibers. The total draw ratio of cellulosic fibers increased from 2.5x to 6.5x with the addition of GA. The highest modulus of 664 cN/dtex and tenacity of 9.7 cN/dtex were reported for GA-modified fiber compared to pristine fibers. Therefore, this approach can strengthen RC fibers from recycled cotton and textile waste. View this paper.
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Articles (13)

  • Article
  • Open Access
20 Citations
5,126 Views
15 Pages

Effect of Extrusion on the Crystalline Structure of Starch during RS5 Formation

  • Angel H. Cabrera-Ramírez,
  • Eliel Cervantes-Ramírez,
  • Eduardo Morales-Sánchez,
  • Mario E. Rodriguez-García,
  • María de la Luz Reyes-Vega and
  • Marcela Gaytán-Martínez

Amylose is well known to be organized helically with six glucose per turn, allowing it to form complexes with various ligands. This interaction can be affected by the type of crystalline structure present in the starch sources. This study evaluated t...

  • Review
  • Open Access
22 Citations
6,058 Views
19 Pages

The nanoreactor concept and its application as a modality to carry out chemical reactions in confined and compartmentalized structures continues to receive increasing attention. Micelle-based nanoreactors derived from various classes of surfactant de...

  • Review
  • Open Access
8 Citations
4,193 Views
14 Pages

For the creation of tissue-engineered structures based on natural biopolymers with the necessary chemical, physical, adhesive, morphological, and regenerative properties, biocompatible materials based on polysaccharides and proteins are used. This wo...

  • Article
  • Open Access
10 Citations
8,055 Views
16 Pages

The recycling of cellulose from cotton textiles would minimize the use of virgin crop fibers, but recycled polymers are generally inferior in mechanical performance to those made from virgin resins. This challenge prompted the investigation of biobas...

  • Article
  • Open Access
5 Citations
4,199 Views
17 Pages

Novel Capsular Polysaccharide from Lobochlamys segnis

  • Gino Schiano di Visconte,
  • Michael J. Allen and
  • Andrew Spicer

In recent years there has been a significant effort from food, nutraceutical, cosmeceutical, pharmaceutical, and biomedical industries to discover and develop new natural ingredients. Microalgae have been recognised as potential sources of high value...

  • Article
  • Open Access
20 Citations
4,589 Views
11 Pages

Chitosan-Based Adhesive: Optimization of Tensile Shear Strength in Dry and Wet Conditions

  • Maisa Abdelmoula,
  • Hajer Ben Hlima,
  • Frédéric Michalet,
  • Gérard Bourduche,
  • Jean-Yves Chavant,
  • Alexis Gravier,
  • Cédric Delattre,
  • Michel Grédiac,
  • Jean-Denis Mathias and
  • Hélène de Baynast
  • + 2 authors

Commercial adhesives present a high bond strength and water resistance, but they are considered non-healthier products. Chitosan can be considered as an interesting biosourced and biodegradable alternative, despite its low water resistance. Here, its...

  • Review
  • Open Access
3 Citations
3,114 Views
10 Pages

Biopolymeric Materials Used as Nonviral Vectors: A Review

  • Jailson de Araújo Santos,
  • Daniel Barbosa Liarte,
  • Alessandra Braga Ribeiro,
  • Marcia dos Santos Rizzo,
  • Marcília Pinheiro da Costa,
  • Josy A. Osajima and
  • Edson C. Silva-Filho

Bacterial transformation and gene transfection can be understood as being the results of introducing specific genetic material into cells, resulting in gene expression, and adding a new genetic trait to the host cell. Many studies have been carried o...

  • Article
  • Open Access
21 Citations
6,818 Views
20 Pages

Hemostatic Dressings Made of Oxidized Bacterial Nanocellulose Membranes

  • E. C. Queirós,
  • S. P. Pinheiro,
  • J. E. Pereira,
  • J. Prada,
  • I. Pires,
  • F. Dourado,
  • P. Parpot and
  • M. Gama

Surgicel® (regenerated oxidized cellulose) is a bio-absorbable hemostatic material widely applied to prevent surgery-derived adhesions. Some critical issues have been reported associated with this biomaterial, which we aimed to overcome by producing...

  • Review
  • Open Access
5 Citations
5,681 Views
11 Pages

Didymo and Its Polysaccharide Stalks: Beneficial to the Environment or Not?

  • Hurmat Ejaz,
  • Esther Somanader,
  • Uday Dave,
  • Hermann Ehrlich and
  • M. Azizur Rahman

Didymosphenia geminata diatoms, or Didymo, was first found to be an invasive species that could have negative impacts on the environment due to the aggressive growth of its polysaccharide-based stalks. The stalks’ adhesive properties have prompted pa...

  • Article
  • Open Access
21 Citations
5,886 Views
22 Pages

Bioremediation Potential of Streptomyces sp. MOE6 for Toxic Metals and Oil

  • Marwa O. Elnahas,
  • Liyuan Hou,
  • Judy D. Wall and
  • Erica L.-W. Majumder

Toxic metal contamination has serious effects on human health. Crude oil that may contain toxic metals and oil spills can further contaminate the environment and lead to increased exposure. This being the case, we chose to study the bio-production of...

  • Article
  • Open Access
8 Citations
3,630 Views
8 Pages

The Effect of Inulin on the Physical and Textural Properties of Biscuits Containing Jet Milled Barley Flour

  • Antonios Drakos,
  • Elpida Tsakiroglou,
  • Vasiliki Evageliou and
  • Ioanna Mandala

The quality properties of biscuits with partial replacement of sugar by inulin (at 0, 10, 20 and 30%) and wheat flour by barley flour (at 0, 10, 20, 30 and 40%) were studied. A commercial and a jet milled finer barley flour were used. For all flour s...

  • Review
  • Open Access
70 Citations
9,189 Views
23 Pages

Cyclodextrin Polymers and Cyclodextrin-Containing Polysaccharides for Water Remediation

  • Tânia F. Cova,
  • Dina Murtinho,
  • Roberto Aguado,
  • Alberto A. C. C. Pais and
  • Artur J. M. Valente

Chemical pollution of water has raised great concerns among citizens, lawmakers, and nearly all manufacturing industries. As the legislation addressing liquid effluents becomes more stringent, water companies are increasingly scrutinized for their en...

  • Review
  • Open Access
21 Citations
5,031 Views
15 Pages

Are Structurally Modified Galactomannan Derivatives Biologically Active?

  • Maurycyo Silva Geronço,
  • Igor Frederico da Silveira Ramos,
  • Edson Cavalcanti da Silva Filho,
  • Márcia dos Santos Rizzo,
  • Alessandra Braga Ribeiro and
  • Marcilia Pinheiro da Costa

Galactomannans are versatile macromolecules with broad industrial potential. The influence of changes in the chemical structures and respective bioactivities of these polysaccharides have been extensively studied. The derivatives obtained by sulfatio...

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Polysaccharides - ISSN 2673-4176