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Related Concept Videos

Antimicrobial Effectiveness01:28

Antimicrobial Effectiveness

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The effectiveness of antimicrobial agents depends on various factors influencing their ability to eliminate microbial populations. Larger microbial populations require more time for complete eradication, emphasizing the importance of population size analysis when evaluating antimicrobial efficacy.Microbial resistance to antimicrobial agents varies significantly. Highly resilient microorganisms include endospores, gram-negative bacteria, and non-enveloped viruses, while prions are exceptionally...
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Antimicrobial proteins are important components of the immune system. They aid the body in combating pathogens by either killing them directly or hindering their replication processes. Four main types of antimicrobial substances are interferons, the complement system, iron-binding proteins, and antimicrobial proteins.
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Proteins can form homomeric complexes with another unit of the same protein or heteromeric complexes with different types.  Most protein complexes self-assemble spontaneously via ordered pathways, while some proteins need assembly factors that guide their proper assembly. Despite the crowded intracellular environment, proteins usually interact with their correct partners and form functional complexes.
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Spindle assembly occurs through three, often coexisting, pathways – the centrosome-mediated pathway, the chromatin-mediated pathway, and the microtubule-mediated pathway – collectively contributing to form a robust spindle apparatus.
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Protein glycosylation starts in the ER lumen and continues in the Golgi apparatus. Glycosyltransferases catalyze the addition of sugar molecules or glycosylation of proteins. Usually, these enzymes add sugars to the hydroxyl groups of selected serine or threonine residues to form O-linked glycans or the amino groups of asparagine residues to form N-linked glycans. Different positions on the same polypeptide chain can contain differently linked glycans.
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Biofunctionalization of Magnetic Nanomaterials
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Self-Assembled Antimicrobial Nanomaterials.

Ana Maria Carmona-Ribeiro1

  • 1Biocolloids Laboratory, Instituto de Química, Universidade de São Paulo; Av. Prof. Lineu Prestes 748, São Paulo 05508-000, Brazil. amcr@usp.br.

International Journal of Environmental Research and Public Health
|July 6, 2018
PubMed
Summary
This summary is machine-generated.

Self-assembled antimicrobial nanomaterials reduce environmental contamination, safeguarding human health and water. Their biomimetic structures enable potent pathogen control even with toxic components at low doses.

Keywords:
antimicrobial hybrid nanoparticles and thin nanostructured filmsantimicrobial lipid bilayersassemblies with antimicrobial polymers and peptidesbilayer fragments with microbicidesdisassembly upon interaction with microbes

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Area of Science:

  • Environmental Science
  • Materials Science
  • Biotechnology

Background:

  • Nanotechnology offers solutions for reducing environmental contamination by pathogens.
  • Antimicrobial nanomaterials are crucial for maintaining safe environments and public health.

Purpose of the Study:

  • To review the role of self-assembled antimicrobial nanomaterials in environmental and public health.
  • To discuss the strategic use of these nanomaterials despite potential toxicity.

Main Methods:

  • Review of scientific literature on self-assembled antimicrobial nanomaterials.
  • Analysis of biomimetic organization and low-dose activity.
  • Exploration of various nanomaterial forms (fragments, nanoparticles, polymers, coatings, hydrogels).

Main Results:

  • Self-assembled antimicrobial nanomaterials effectively reduce environmental contamination.
  • Biomimetic organization allows for high efficacy at low concentrations of toxic components.
  • Diverse nanomaterial formats show potential for broad applications.

Conclusions:

  • Self-assembled antimicrobial nanomaterials are vital for environmental protection and public health.
  • Strategic design can mitigate toxicity concerns, enhancing safety.
  • These materials offer promising solutions for pathogen control in water and the environment.