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Related Concept Videos

Bioplastics01:27

Bioplastics

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Bioplastics derived from microbial processes present a sustainable alternative to conventional petroleum-based plastics. Among these, polyhydroxyalkanoates (PHAs), particularly polyhydroxybutyrates (PHBs), have emerged as prominent candidates due to their biodegradability and biocompatibility. These polymers are synthesized by a variety of bacteria, such as Cupriavidus necator and Pseudomonas putida, which naturally accumulate PHAs as intracellular carbon and energy reserves, especially under...
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Cellulose and Pectic Polysaccharides01:15

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 Every plant cell has a cell wall that protects the cell, provides structural support, and gives the cell shape. Cellulose, the main structural component of the plant cell wall, makes up over 30% of plant matter. It is the most abundant organic compound on earth.  Cellulose is an unbranched polysaccharide composed of linear chains of glucose molecules linked by β (1→4) glycosidic bonds.
As a cell matures, its cell wall specializes according to its type. For example, the...
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Bacterial Cellulose Spheres that Encapsulate Solid Materials
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Progress in bacterial cellulose matrices for biotechnological applications.

Maximiliano L Cacicedo1, M Cristina Castro2, Ioannis Servetas3

  • 1Nanobiomaterials Laboratory, Applied Biotechnology Institute (CINDEFI, UNLP-CONICET CCT La Plata), Department of Chemistry, School of Sciences, Universidad Nacional de La Plata, CP 1900 AJL Ciudad de La Plata, Provincia de Buenos Aires, Argentina.

Bioresource Technology
|March 2, 2016
PubMed
Summary

Bacterial cellulose (BC), a biopolymer from Komagataeibacter, offers unique nanoporous properties. Its modification via in-situ or ex-situ strategies creates advanced nanocomposites for bioprocessing, nanomedicine, and nanoelectronics.

Keywords:
Bacterial celluloseBiocatalysisBiocompositesBioprocessingFermentation

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Area of Science:

  • Biotechnology
  • Materials Science
  • Nanotechnology

Background:

  • Bacterial cellulose (BC) is a versatile biopolymer produced by microorganisms, notably the Komagataeibacter genus.
  • BC possesses advantageous properties including a nanoporous structure, high water retention, and abundant hydroxyl groups.
  • BC can be modified through in-situ (during production) or ex-situ (post-purification) strategies.

Purpose of the Study:

  • To explore the potential of bacterial cellulose (BC) and its modified forms.
  • To highlight the applications of BC-based nanocomposites in various scientific fields.
  • To showcase BC's utility as a scaffold for biocatalysts and therapeutic agents.

Main Methods:

  • Utilizing Komagataeibacter for BC production from agricultural wastes.
  • Implementing in-situ and ex-situ modification techniques for BC.
  • Developing multilayer BC nanocomposites incorporating biocatalysts and therapeutic molecules.

Main Results:

  • BC nanocomposites enhance bioprocessing by increasing productivity and enabling novel cellular activities without DNA cloning.
  • BC matrices serve as effective nano-carriers for therapeutic molecules in nanomedicine applications, such as treating skin burns.
  • BC-based semiconductors exhibit excellent optical and photochemical properties for nanoelectronics.

Conclusions:

  • Bacterial cellulose is a highly adaptable material with significant potential across diverse applications.
  • Modification strategies unlock advanced functionalities for BC in bioprocessing, nanomedicine, and nanoelectronics.
  • BC-based nanocomposites represent a promising platform for developing innovative biotechnological and materials science solutions.