High-strength paper enhanced by chitin nanowhiskers and its potential bioassay applications.

Int J Biol Macromol

State Key Laboratory of Pulp and Paper Engineering, School of Light Industry and Engineering, South China University of Technology, Guangzhou 510640, China. Electronic address:

Published: May 2020

AI Article Synopsis

  • The study explores the use of nanochitin, a natural nanomaterial, to enhance the strength of paper by combining it with cellulose fibers.
  • Two types of chitin nanowhiskers with different surface charges were tested, revealing that positively charged nanochitin significantly improves the wet strength of the paper.
  • With a 2% addition of chitin nanowhiskers, the wet strength index increased to 2.48 N·m/g, showing potential for better performance in paper-based liquid analysis devices, as demonstrated by successful glucose assays.

Article Abstract

In this paper, nanochitin was used as an alternative natural nanomaterial to combine with cellulose fibers for fabricating high-strength paper. Two typical chitin nanowhiskers having contrasting sign of surface charge were compared to evaluate the enhancement performance on paper in details. The results show that nanochitin with positive charges on the surface has a significant effect on the strength properties of the prepared paper, especially on wet strength. When the dosage of chitin nanowhiskers was 2%, the wet strength index was increased to 2.48 N·m/g, which is important for paper-based analytical devices with the common use in liquid analysis. Typical colorimetric glucose assays were successfully performed, suggesting the improved analytical performance on these prepared paper.

Download full-text PDF

Source
http://dx.doi.org/10.1016/j.ijbiomac.2020.02.154DOI Listing

Publication Analysis

Top Keywords

chitin nanowhiskers
12
high-strength paper
8
prepared paper
8
wet strength
8
paper
5
paper enhanced
4
enhanced chitin
4
nanowhiskers potential
4
potential bioassay
4
bioassay applications
4

Similar Publications

Mucoadhesive polyelectrolyte complexes of fucoidan and chitin nanowhiskers to prolong the antiprotozoal activity of metronidazole.

Carbohydr Polym

February 2025

Institute of Macromolecular Compounds, Branch of Petersburg Nuclear Physics Institute named by B.P. Konstantinov, National Research Centre «Kurchatov Institute», Bolshoi VO 31, St. Petersburg 199004, Russia. Electronic address:

The improvement of the specific pharmacological activity of agents with antimicrobial and antiprotozoal properties (e.g. metronidazole, MET) is of interest for clinical applications in the treatment of bacterial infections.

View Article and Find Full Text PDF

Structural Color of Partially Deacetylated Chitin Nanowhisker Film Inspired by Jewel Beetle.

Materials (Basel)

November 2024

Research Institute for Sustainable Humanosphere, Kyoto University, Uji 611-0011, Japan.

Article Synopsis
  • Nanochitin is created from crab shells, a food waste product, and ongoing research explores its various applications.
  • By sonicating nanochitin in water, short nanowhiskers are produced that self-assemble into a multilayered film, which can manipulate light to create bright structural colors.
  • The film's structural colors can indicate freshness in food sensors and offer a sustainable alternative to dyes in cosmetics due to chitin's biocompatibility and non-toxic nature.
View Article and Find Full Text PDF

Chitin Nanowhisker/Gold Nanocluster Hybrids with an Excellent Dispersion Stability via Poly(ethylene glycol) Grafting.

Langmuir

October 2024

Graduate School of Science and Technology, Shinshu University, Tokida 3-15-1, Ueda 386-8567, Japan.

Hybrid nanoparticles composed of chitin nanowhiskers (ChNWs) and gold nanoclusters (AuNCs) having an improved stability were prepared. The grafting of monomethoxypoly(ethylene glycol) (mPEG) and subsequent surface adsorption of AuNCs enabled the steric stabilization of ChNW/AuNC hybrids. mPEGs with terminal formyl groups and diethylacetal protecting groups were grafted via in situ deprotection and reductive amination with the surface amino groups (SAGs) of ChNWs.

View Article and Find Full Text PDF

Nanowhiskers in a colloidal dispersion are known to form chiral nematic liquid crystals (CNLC), as seen in a cellulose nanowhisker or so-called cellulose nanocrystal and chitin nanowhisker. In our related work, we clarified that once the thus-created chitin nanowhiskers with surface modified by chitosan (CTWK-CS) in CNLC phase were wet-spun, we could directly obtain anisotropic microfibers containing the highly ordered CTWK-CS. This drastic structural transformation from CNLC to anisotropic microfibers might relate to several important stages, i.

View Article and Find Full Text PDF

Petrochemical resources are non-renewable, which has impeded the development of synthetic polymers. The poor degradability of synthetic polymers poses substantial environmental pressure. Additionally, the high cost of synthetic biopolymers with excellent degradation performance limits their widespread application.

View Article and Find Full Text PDF

Want AI Summaries of new PubMed Abstracts delivered to your In-box?

Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!