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Related Concept Videos

Bioremediation00:46

Bioremediation

Bioremediation is the use of prokaryotes, fungi, or plants to remove pollutants from the environment. This process has been used to remove harmful toxins in groundwater as a byproduct of agricultural run-off and also to clean up oil spills.
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...
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 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...

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Related Experiment Video

Updated: Jul 3, 2026

Ultrafast Lignin Extraction from Unusual Mediterranean Lignocellulosic Residues
09:22

Ultrafast Lignin Extraction from Unusual Mediterranean Lignocellulosic Residues

Published on: March 9, 2021

Lignin-Enhanced Biofoam for Gravity-Resistant Detoxification in Urban Environments.

Yoojin Lee1, Woojin Choi1,2, Haechan Cho3

  • 1Department of Chemical & Biomolecular Engineering, College of Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea.

ACS Nano
|July 1, 2026
PubMed
Summary

A novel biofoam made from lignin derivatives offers effective urban decontamination. This sustainable foam adheres to surfaces, ensuring efficient chemical warfare agent neutralization and easy cleanup.

Keywords:
BiofoamBiopolymerDetoxificationDrain-ResistanceLigninUrban Environment

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Green Synthesis, Characterization, Encapsulation, and Measurement of the Release Potential of Novel Alkali Lignin Micro-/Submicron Particles
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Green Synthesis, Characterization, Encapsulation, and Measurement of the Release Potential of Novel Alkali Lignin Micro-/Submicron Particles

Published on: March 1, 2024

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Ultrafast Lignin Extraction from Unusual Mediterranean Lignocellulosic Residues
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Published on: March 9, 2021

Designed for Molecular Recycling: A Lignin-Derived Semi-aromatic Biobased Polymer
10:22

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Green Synthesis, Characterization, Encapsulation, and Measurement of the Release Potential of Novel Alkali Lignin Micro-/Submicron Particles
07:42

Green Synthesis, Characterization, Encapsulation, and Measurement of the Release Potential of Novel Alkali Lignin Micro-/Submicron Particles

Published on: March 1, 2024

Area of Science:

  • Materials Science
  • Environmental Science
  • Chemical Engineering

Background:

  • Conventional liquid decontaminants have limited efficacy on vertical surfaces due to runoff.
  • Viscosity modifiers improve retention but cause application and cleanup issues.

Purpose of the Study:

  • To develop a gravity-resistant, fast-acting biofoam for urban decontamination.
  • To utilize sustainable and biodegradable lignin derivatives.

Main Methods:

  • Hydrothermal treatment synthesized hydroxyl-rich depolymerized lignin (HDL).
  • HDL was formulated into a biofoam (HDLF) with enhanced water retention and stability.
  • Decontamination efficiency and removal properties were evaluated.

Main Results:

  • HDLF adhered to vertical surfaces for over 10 minutes.
  • Achieved >90% detoxification efficiency against chemical warfare agents.
  • Demonstrated easy removal and environmentally safe end-of-life.

Conclusions:

  • HDLF overcomes limitations of conventional decontaminants.
  • Presents a high-performance, ecologically compatible urban detoxification solution.