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 Plastics01:28

Microbial Bioremediation of Plastics

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...
Microbial Bioremediation of Pesticides01:28

Microbial Bioremediation of Pesticides

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...
Bioplastics01:27

Bioplastics

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...
Biological Treatment of Effluent and Waste Water01:30

Biological Treatment of Effluent and Waste Water

Biological wastewater treatment relies on the metabolic activity of microorganisms to remove pollutants from sewage. In modern treatment systems, this process is organized into sequential stages that progressively reduce solid material, dissolved organic matter, and microbial contamination. Each stage plays a distinct role in improving water quality and preparing the effluent for safe discharge or reuse.Primary and Secondary TreatmentPrimary treatment is a physical process that removes large...
Microbial Bioremediation of Hydrocarbons01:26

Microbial Bioremediation of Hydrocarbons

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 physical or...
Microbial Wastewater Treatment01:30

Microbial Wastewater Treatment

Microbial communities in aquatic ecosystems play a key role in the natural breakdown of contaminants introduced through domestic and industrial effluents. Acting as biological catalysts, these microbes change and mineralize a wide range of organic and inorganic pollutants under different redox conditions.In oxygen-rich surface waters, aerobic heterotrophs lead organic matter breakdown, using oxygen as the terminal electron acceptor to efficiently oxidize substrates to carbon dioxide and water.

You might also read

Related Articles

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

Sort by
Same author

[Analysis of the current situation and influencing factors of work-related musculoskeletal disorders among hospital medical staff].

Zhonghua lao dong wei sheng zhi ye bing za zhi = Zhonghua laodong weisheng zhiyebing zazhi = Chinese journal of industrial hygiene and occupational diseases·2026
Same author

[Investigation on the intervention effect of clinical ergonomics education on WMSDs of dentists].

Zhonghua lao dong wei sheng zhi ye bing za zhi = Zhonghua laodong weisheng zhiyebing zazhi = Chinese journal of industrial hygiene and occupational diseases·2026
Same author

[Research and application progress of 3D bioprinting technology in repairation of cardiovascular injury].

Zhonghua xin xue guan bing za zhi·2025
Same author

[Bidirectional causal relationship between glucose-lipid metabolism, obesity indicators, and myocardial infarction: a bidirectional Mendelian randomization analysis study].

Zhonghua xin xue guan bing za zhi·2024
Same author

[Impact of obesity on the incidence of postoperative pulmonary complications following laparoscopic colorectal surgery].

Zhonghua yi xue za zhi·2024
Same author

[Relationship between gut microbiota and its metabolite dysregulation and postoperative cognitive dysfunction in elderly male C57BL/6J mice after laparotomy exploration].

Zhonghua yi xue za zhi·2024

Related Experiment Video

Updated: Jul 14, 2026

Collection of Alfalfa Root Exudates to Study the Impact of Di(2-ethylhexyl) Phthalate on Metabolite Production
06:46

Collection of Alfalfa Root Exudates to Study the Impact of Di(2-ethylhexyl) Phthalate on Metabolite Production

Published on: June 2, 2023

Biodegradation of four phthalate esters in sludge.

B V Chang1, T H Wang, S Y Yuan

  • 1Department of Microbiology, Soochow University, Taipei, Taiwan.

Chemosphere
|May 26, 2007
PubMed
Summary

Ultrasonic pretreatment enhances the aerobic biodegradation of phthalic acid esters (PAEs) in sludge. This combined method effectively removes PAEs, with degradation rates varying by compound.

Area of Science:

  • Environmental Science
  • Environmental Chemistry
  • Biotechnology

Background:

  • Phthalic acid esters (PAEs) are common pollutants found in sludge.
  • PAEs pose risks to ecosystems and human health.
  • Effective removal methods for PAEs from sludge are needed.

Purpose of the Study:

  • To investigate the aerobic degradation of four PAEs (diethyl phthalate, benzyl butyl phthalate, di-n-butyl phthalate, and di-(2-ethyl hexyl)phthalate) in sludge.
  • To evaluate the impact of ultrasonic pretreatment on PAE degradation.
  • To determine optimal conditions and additives for enhanced PAE removal.

Main Methods:

  • Sludge samples were pretreated using sonication (20 min at 0.1 W/ml).
  • Aerobic degradation experiments were conducted under varying pH and temperature conditions.

More Related Videos

Development of Sulfidogenic Sludge from Marine Sediments and Trichloroethylene Reduction in an Upflow Anaerobic Sludge Blanket Reactor
15:19

Development of Sulfidogenic Sludge from Marine Sediments and Trichloroethylene Reduction in an Upflow Anaerobic Sludge Blanket Reactor

Published on: October 15, 2015

Isolation of Native Soil Microorganisms with Potential for Breaking Down Biodegradable Plastic Mulch Films Used in Agriculture
13:38

Isolation of Native Soil Microorganisms with Potential for Breaking Down Biodegradable Plastic Mulch Films Used in Agriculture

Published on: May 10, 2013

Related Experiment Videos

Last Updated: Jul 14, 2026

Collection of Alfalfa Root Exudates to Study the Impact of Di(2-ethylhexyl) Phthalate on Metabolite Production
06:46

Collection of Alfalfa Root Exudates to Study the Impact of Di(2-ethylhexyl) Phthalate on Metabolite Production

Published on: June 2, 2023

Development of Sulfidogenic Sludge from Marine Sediments and Trichloroethylene Reduction in an Upflow Anaerobic Sludge Blanket Reactor
15:19

Development of Sulfidogenic Sludge from Marine Sediments and Trichloroethylene Reduction in an Upflow Anaerobic Sludge Blanket Reactor

Published on: October 15, 2015

Isolation of Native Soil Microorganisms with Potential for Breaking Down Biodegradable Plastic Mulch Films Used in Agriculture
13:38

Isolation of Native Soil Microorganisms with Potential for Breaking Down Biodegradable Plastic Mulch Films Used in Agriculture

Published on: May 10, 2013

  • The influence of additives like yeast extract, brij 30, brij 35, and hydrogen peroxide was assessed.

    • Main Results:

    • Ultrasonic pretreatment significantly enhanced PAE degradation rates.
    • Degradation rates followed the order: di-n-butyl phthalate > benzyl butyl phthalate > diethyl phthalate > di-(2-ethyl hexyl)phthalate.
    • Optimal degradation occurred at pH 7.0 and 30°C, with enhancement from yeast extract and brij surfactants, but inhibition by hydrogen peroxide.

    Conclusions:

    • Combining ultrasonic pretreatment with aerobic biodegradation is an effective strategy for removing PAEs from sludge.
    • Understanding degradation kinetics and optimal conditions is crucial for efficient PAE remediation.
    • Further research can optimize this combined approach for industrial applications.