Related Experiment Video
Updated: Sep 5, 2025
09:27
Immobilization of Multi-biocatalysts in Alginate Beads for Cofactor Regeneration and Improved Reusability
Published on: April 22, 2016
17.5K
Biocides and techniques for their encapsulation: a review
Fernanda A Arzani1, João H Z Dos Santos2
1Chemical Engineering Department, Universidade Federal do Rio Grande do Sul, Rua Eng. Luiz Englert s/n, Porto Alegre, 90040-040, Brazil. fernanda.arzani@ufrgs.br.
Soft Matter
|July 12, 2022
Summary
Microencapsulation enhances biocide stability and controlled release. This review details coacervation, sol-gel, and self-assembly methods, discussing their applications, safety, and future potential for biocides.
Area of Science:
- Materials Science
- Chemical Engineering
- Biotechnology
Background:
- Biocides protect materials from microbial damage.
- Encapsulation improves biocide stability and enables controlled release.
Purpose of the Study:
- To review microencapsulation methods for biocides.
- To discuss applications, safety, and future trends.
Main Methods:
- Categorization of microencapsulation into coacervation, sol-gel, and self-assembly.
- Description of internal phase separation, interfacial polymerization, multiple emulsions, polymersomes, and layer-by-layer techniques.
Main Results:
- Each method's features and applications are discussed.
- Biocide solubility, material compatibility, and release rates are key considerations.
- Encapsulation impacts biocide safety and toxicity.
Conclusions:
- Microencapsulation offers versatile strategies for biocide delivery.
- Tailoring methods to biocide properties is crucial for efficacy and safety.
- Future research should focus on novel encapsulation techniques and applications.
Related Concept Videos
01:28Biological Methods for Microbial Control
194
Biological agents offer an effective means of controlling microbial growth by leveraging natural processes like predation, competition, and the secretion of antimicrobial substances.Predatory bacteria such as Bdellovibrio species target and kill pathogens like Salmonella and E. coli. They are widely used in poultry farms to control infections. Myxococcus species help combat plant-pathogenic fungi. These naturally occurring predators serve as eco-friendly alternatives to chemical pesticides and...
194
01:29Methods for Controlling Microbial Growth
467
Microbial growth control refers to various methods employed to inhibit, reduce, or eliminate microorganisms to ensure safety and hygiene across different settings. These methods are categorized based on the target environment and the level of microbial control required.Biocides are versatile agents designed to control microorganisms by either inhibiting their growth or outright killing them. These agents work through various physical, chemical, mechanical, or biological mechanisms. The...
467
01:27Chemical Agents for Microbial Control
198
Chemicals play important roles in controlling microbial growth by targeting microbial structures and functions as sanitizers, antiseptics, disinfectants, and sterilants.Alcohols are commonly used sanitizers, effectively disrupting lipid membranes, which compromises cell integrity. They are also used as antiseptics and disinfectants due to their rapid action and versatility.Phenols and their derivatives phenolics , known for denaturing proteins and disrupting cell membranes, are particularly...
198
01:29Key Techniques in Microbiology
423
Aseptic techniques prevent contamination, ensure experimental accuracy, and protect researchers and microbial cultures. These techniques are essential in clinical, industrial, and research settings where sterility is required.Maintaining Sterility in Laboratory PracticesScientists maintain sterility by sterilizing tools with heat or chemicals, disinfecting work surfaces, and handling cultures in controlled environments. Working near an open flame or within a laminar flow hood reduces the risk...
423
01:29Biofilms
260
Biofilms are complex communities of microorganisms encased in a self-produced extracellular polysaccharide matrix attached to surfaces. These microbial consortia can include single or multiple species, providing enhanced survival benefits by forming organized, multilayered structures.The formation of biofilms occurs through four key stages: attachment, colonization, development, and dispersal.During attachment, free-swimming planktonic cells adhere to a surface, often facilitated by...
260
01:26Physical Methods for Controlling Microbial Growth: Radiation and Filtration
215
Radiation and filtration are essential tools for microbial control, targeting microorganisms through distinct mechanisms. Radiation eliminates microbes by damaging their DNA, either killing them or inhibiting their growth. Based on wavelength, radiation is classified into two types: nonionizing and ionizing radiation.Non-ionizing radiation, such as UV radiation (200–400 nm), is absorbed by DNA, causing defects that effectively disinfect surfaces, air, and water, including safety cabinets.
215