Jove
Visualize
Contact Us
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 Concept Videos

Microbial Bioremediation of Hydrocarbons01:26

Microbial Bioremediation of Hydrocarbons

150
Bioremediation is an environmentally sustainable process that employs living organisms—primarily microorganisms—to degrade or neutralize pollutants from contaminated environments. In oil spills and hydrocarbon pollution, bioremediation involves the use of hydrocarbon-degrading bacteria to transform toxic compounds into less harmful substances. This approach leverages natural microbial metabolic processes and is considered both cost-effective and ecologically favorable compared to...
150
Microbial Bioremediation of Pesticides01:28

Microbial Bioremediation of Pesticides

85
Pesticides often feature structurally complex chemical architectures, incorporating halogen groups and multiple aromatic rings. These characteristics confer high chemical stability, rendering many pesticides resistant to natural degradation processes. This resistance poses significant environmental concerns, as persistent pesticide residues can accumulate in ecosystems and affect non-target organisms.Despite the inherent stability of many pesticides, certain microorganisms possess the metabolic...
85
Microbial Bioremediation of Plastics01:28

Microbial Bioremediation of Plastics

131
Polyethylene terephthalate (PET) is a synthetic polymer widely utilized in the packaging industry, particularly for bottles and containers. Due to its chemical stability and durability, PET accumulates in the environment, contributing significantly to plastic pollution. It comprises repeating units of terephthalic acid and ethylene glycol, resulting in a semi-crystalline structure that is resistant to natural degradation processes.A notable breakthrough in plastic biodegradation came with the...
131
Microbial Corrosion01:24

Microbial Corrosion

93
Microbiologically Influenced Corrosion (MIC) is a significant form of material degradation caused by the metabolic activities of microorganisms. This phenomenon poses substantial challenges across various industries, including oil and gas, maritime, and water treatment sectors.MIC occurs when microorganisms, such as bacteria, archaea, and fungi, colonize metal surfaces, forming biofilms that alter the local electrochemical environment. These biofilms can lead to the production of corrosive...
93
Bioplastics01:27

Bioplastics

70
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...
70
Microbial Biosensors01:17

Microbial Biosensors

88
Microbial biosensors are analytical devices that utilize living microbes to detect specific substances through measurable signals. These devices consist of two main components: biosensing organisms and signal-transducing elements. Biosensing organisms, such as Escherichia coli or Saccharomyces cerevisiae, are typically housed in multiwell plates connected to transducers, enabling rapid, real-time detection of target analytes.Signal Generation MechanismWhen a target analyte—such as...
88

You might also read

Related Articles

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

Sort by
Same author

Biodegradable Alginate-Chitosan Hollow Nanospheres for Codelivery of Doxorubicin and Paclitaxel for the Effect of Human Lung Cancer A549 Cells.

BioMed research international·2018
Same author

Elevated histone H3 acetylation is associated with genes involved in T lymphocyte activation and glutamate decarboxylase antibody production in patients with type 1 diabetes.

Journal of diabetes investigation·2018
Same author

[SHORT-TERM EFFECTIVENESS OF PERCUTANEOUS PEDICLE SCREW GUIDED WITH PHOTOELECTRIC NAVIGATION FOR THORACOLUMBAR FRACTURES].

Zhongguo xiu fu chong jian wai ke za zhi = Zhongguo xiufu chongjian waike zazhi = Chinese journal of reparative and reconstructive surgery·2018
Same author

Epigenetic dysregulation of ZEB1 is involved in LMO2-promoted T-cell acute lymphoblastic leukaemia leukaemogenesis.

Biochimica et biophysica acta. Molecular basis of disease·2018
Same author

Theoretical study of the intermolecular recognition mechanism between Survivin and substrate based on conserved binding mode analysis.

Journal of molecular graphics & modelling·2018
Same author

The asymmetry of neural symptoms in Wilson's disease patients detecting by diffusion tensor imaging, resting-state functional MRI, and susceptibility-weighted imaging.

Brain and behavior·2018

Related Experiment Video

Updated: May 4, 2026

Immobilization of Multi-biocatalysts in Alginate Beads for Cofactor Regeneration and Improved Reusability
09:27

Immobilization of Multi-biocatalysts in Alginate Beads for Cofactor Regeneration and Improved Reusability

Published on: April 22, 2016

17.1K

An efficient magnetically modified microbial cell biocomposite for carbazole biodegradation.

Yufei Li, Xiaoyu Du, Chao Wu

  • 1State Key Laboratory of Microbial Technology, Shandong University, Jinan 250100, People's Republic of China. ghwx@sdu.edu.cn.

Nanoscale Research Letters
|December 17, 2013
PubMed
Summary

Magnetically modified microbial cells, using Fe3O4 nanoparticles, offer enhanced reusability for bioremediation. This smart biocomposite technology improves biocatalyst efficiency in degrading hazardous compounds.

More Related Videos

Engineering Adherent Bacteria by Creating a Single Synthetic Curli Operon
15:28

Engineering Adherent Bacteria by Creating a Single Synthetic Curli Operon

Published on: November 16, 2012

13.7K
Fabrication of a Functionalized Magnetic Bacterial Nanocellulose with Iron Oxide Nanoparticles
08:59

Fabrication of a Functionalized Magnetic Bacterial Nanocellulose with Iron Oxide Nanoparticles

Published on: May 26, 2016

12.5K

Related Experiment Videos

Last Updated: May 4, 2026

Immobilization of Multi-biocatalysts in Alginate Beads for Cofactor Regeneration and Improved Reusability
09:27

Immobilization of Multi-biocatalysts in Alginate Beads for Cofactor Regeneration and Improved Reusability

Published on: April 22, 2016

17.1K
Engineering Adherent Bacteria by Creating a Single Synthetic Curli Operon
15:28

Engineering Adherent Bacteria by Creating a Single Synthetic Curli Operon

Published on: November 16, 2012

13.7K
Fabrication of a Functionalized Magnetic Bacterial Nanocellulose with Iron Oxide Nanoparticles
08:59

Fabrication of a Functionalized Magnetic Bacterial Nanocellulose with Iron Oxide Nanoparticles

Published on: May 26, 2016

12.5K

Area of Science:

  • Environmental Microbiology
  • Materials Science
  • Biotechnology

Background:

  • Microbial cells are crucial for bioremediation but often lack reusability.
  • Developing efficient biocatalysts is key to managing hazardous waste.
  • Magnetic nanoparticles offer unique properties for material functionalization.

Purpose of the Study:

  • To create a magnetically modified microbial cell biocomposite for improved bioremediation.
  • To investigate the reusability and biodegradation activity of the novel biocomposite.
  • To demonstrate the application of magnetic modification in enhancing biocatalyst performance.

Main Methods:

  • Assembly of Fe3O4 nanoparticles onto Sphingomonas sp. XLDN2-5 cells.
  • Characterization of nanoparticle size and magnetic properties.
  • Microscopy (SEM, TEM) to verify nanoparticle loading and cell morphology.
  • Assessment of biodegradation activity and reusability through recycling experiments.

Main Results:

  • Fe3O4 nanoparticles (approx. 20 nm, 45.5 emu g-1) were successfully loaded onto microbial cells.
  • The microbial cell/Fe3O4 biocomposite maintained biodegradation activity comparable to free cells.
  • The biocomposite demonstrated significant reusability, with increasing degradation activity over recycling cycles.
  • Easy separation and recycling of the biocomposite were achieved using an external magnetic field.

Conclusions:

  • Magnetically modified microbial cells form an efficient and reusable biocomposite for bioremediation.
  • Super-paramagnetic Fe3O4 nanoparticle coating enhances biocatalyst recyclability.
  • This technique presents a promising approach for the biodegradation of hazardous compounds.