Jove
Visualize
Contact Us

Related Concept Videos

Plasticizers01:31

Plasticizers

320
Water-reducers, or plasticizers, are chemical admixtures used in concrete to improve strength and workability. These additives reduce the water-cement ratio without compromising workability, lower the cement content while maintaining the same workability, or increase workability to assist concrete placement in inaccessible areas.
Plasticizers function by using surface-active agents to create repulsive electrostatic forces between cement particles. This dispersion enhances the concrete's...
320

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Effect of Liquid Smoke Incorporation on the Structural, Barrier, and Functional Properties of Okra Mucilage-Corn Starch Films.

Polymers·2026
Same author

Estimation of the burden of Lyme borreliosis in Austria using hospital discharge data.

International journal of infectious diseases : IJID : official publication of the International Society for Infectious Diseases·2026
Same author

First-in-human study of lomvastomig, a PD-1-TIM-3 bispecific antibody, in patients with advanced and/or metastatic solid tumors.

Journal for immunotherapy of cancer·2026
Same author

Systematic literature review of economic studies on nature-based social prescribing for health improvement.

BMC primary care·2026
Same author

Systematic review on community-based interventions targeting prevention of overweight and obesity in children and adolescents.

Frontiers in public health·2025
Same author

Factors Associated With Childhood Undernutrition in Sub-Saharan Africa: A Systematic Review and Meta-Analysis.

Maternal & child nutrition·2025
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Video

Updated: Jan 10, 2026

Development and Characterization of Fusidic Acid-Loaded Alginate-Aloe vera Based Hydrogel FilmWound Healing
04:09

Development and Characterization of Fusidic Acid-Loaded Alginate-Aloe vera Based Hydrogel FilmWound Healing

Published on: December 13, 2024

1.2K

Challenges of Alginate-Based Cast Films in Plastic-Free Food Packaging Applications: An Overview.

Sophie Schenk1,2, Matthias Bucher1, Michael Herrenbauer2

  • 1Sustainable Packaging Institute SPI, Faculty of Life Sciences, Albstadt-Sigmaringen University, Anton-Günther-Str. 51, 72488 Sigmaringen, Germany.

Polymers
|November 27, 2025
PubMed
Summary

Sodium alginate from brown algae shows promise for plastic-free food packaging. Enhancing its water resistance and flexibility without chemical modification is key for sustainable applications.

Keywords:
barrier propertiesbiopolymer filmscrosslinkingfood packagingplasticizersprocessabilitysodium alginate

More Related Videos

Film Extrusion of Crambe abyssinica/Wheat Gluten Blends
06:51

Film Extrusion of Crambe abyssinica/Wheat Gluten Blends

Published on: January 17, 2017

10.5K
Generation of Alginate Microspheres for Biomedical Applications
10:33

Generation of Alginate Microspheres for Biomedical Applications

Published on: August 12, 2012

21.7K

Related Experiment Videos

Last Updated: Jan 10, 2026

Development and Characterization of Fusidic Acid-Loaded Alginate-Aloe vera Based Hydrogel FilmWound Healing
04:09

Development and Characterization of Fusidic Acid-Loaded Alginate-Aloe vera Based Hydrogel FilmWound Healing

Published on: December 13, 2024

1.2K
Film Extrusion of Crambe abyssinica/Wheat Gluten Blends
06:51

Film Extrusion of Crambe abyssinica/Wheat Gluten Blends

Published on: January 17, 2017

10.5K
Generation of Alginate Microspheres for Biomedical Applications
10:33

Generation of Alginate Microspheres for Biomedical Applications

Published on: August 12, 2012

21.7K

Area of Science:

  • Food Science
  • Materials Science
  • Polymer Science

Background:

  • Sodium alginate, a polysaccharide from brown algae, is a biobased material explored for food packaging.
  • Current food packaging relies heavily on fossil-based plastics, driving demand for sustainable alternatives.
  • EU regulations (PPWR, SUPD) restrict chemically modified alginates to maintain plastic-free status.

Purpose of the Study:

  • To review the potential of pure sodium alginate films for food packaging.
  • To analyze challenges in cast film production and strategies for property enhancement.
  • To assess alginate's feasibility for industrial, plastic-free packaging.

Main Methods:

  • Literature synthesis of studies from 2004-2025 on pure sodium alginate films.
  • Focus on plasticization and ionic crosslinking without chemical modification, nanofillers, or additional modifiers.
  • Analysis of processing parameters like drying temperature and mixing speed.

Main Results:

  • Alginate films offer excellent oxygen and fat barrier properties.
  • High water vapor permeability and brittleness are significant limitations.
  • Ionic crosslinking improves mechanical strength and water resistance, but network uniformity is a challenge.
  • Processing factors (drying, mixing, molecular weight) and protein incorporation affect film performance.

Conclusions:

  • Sodium alginate shows potential for sustainable food packaging due to its renewable origin and barrier properties.
  • Overcoming water vapor permeability and brittleness through controlled plasticization and ionic crosslinking is crucial.
  • Further research is needed on long-term stability and performance under industrial packaging conditions.