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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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Subviral agents are infectious entities that resemble viruses but lack one or more viral components, such as a capsid or essential replication machinery. These agents include viroids, prions, and satellites, each possessing distinct structural and functional characteristics that influence their mode of infection and replication.Viroids are the simplest subviral agents, consisting of circular, single-stranded RNA molecules without a protein coat. They exclusively infect plants, relying entirely...
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Author Spotlight: Characterizing Airway Environments to Advance Model Systems and Antimicrobial Discovery in Cystic Fibrosis and Chronic Respiratory Infections
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Ruthenium complexes as antimicrobial agents.

Fangfei Li1, J Grant Collins, F Richard Keene

  • 1School of Physical, Environmental and Mathematical Sciences, University of New South Wales, Australian Defence Force Academy, Canberra, ACT 2600, Australia. g.collins@adfa.edu.au.

Chemical Society Reviews
|February 28, 2015
PubMed
Summary
This summary is machine-generated.

The emergence of drug-resistant microorganisms necessitates novel antimicrobial agents. Ruthenium complexes show promise as new classes of antimicrobials, with activity influenced by their chemical structure and cellular uptake.

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The Synthesis, Characterization and Reactivity of a Series of Ruthenium N-triphosPh Complexes
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Area of Science:

  • Medicinal Chemistry
  • Antimicrobial Research
  • Transition Metal Complexes

Background:

  • Widespread antimicrobial use has led to significant drug resistance.
  • Existing antimicrobial scaffolds are insufficient for developing new treatments.
  • Platinum anticancer agents' success spurs interest in other transition metals for therapeutics.

Purpose of the Study:

  • To review ruthenium complexes exhibiting antimicrobial activity.
  • To explore the structure-activity relationships of these ruthenium compounds.
  • To discuss the biological processing and intracellular accumulation of ruthenium complexes in microbial and eukaryotic cells.

Main Methods:

  • Literature review of studies on ruthenium complexes with antimicrobial properties.
  • Analysis of chemical structures and their correlation with biological activity.
  • Examination of cellular localization and processing mechanisms for ruthenium complexes.

Main Results:

  • Several ruthenium(II/III) complexes demonstrate significant antimicrobial activity.
  • The chemical structure of ruthenium complexes influences their antimicrobial efficacy.
  • Ruthenium complexes accumulate intracellularly in both bacterial and eukaryotic cells.

Conclusions:

  • Ruthenium complexes represent a promising new class of antimicrobial agents.
  • Understanding structure-activity and cellular processing is key to developing effective ruthenium-based drugs.
  • Further research into ruthenium complexes is warranted to combat antimicrobial resistance.