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Related Concept Videos

Colloidal precipitates01:09

Colloidal precipitates

4.8K
The high insolubility of some precipitates can result in an unfavorable relative supersaturation. This can lead to colloidal particles with a large surface-to-mass ratio, where adsorption is promoted. For instance, in the precipitation of silver chloride, silver ions are adsorbed on the surface of the colloidal particles, forming a primary layer. This layer attracts ions of opposite charge (such as nitrate ions), forming a diffuse secondary layer of adsorbed ions. This electric double layer...
4.8K
Formation of Complex Ions03:45

Formation of Complex Ions

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A type of Lewis acid-base chemistry involves the formation of a complex ion (or a coordination complex) comprising a central atom, typically a transition metal cation, surrounded by ions or molecules called ligands. These ligands can be neutral molecules like H2O or NH3, or ions such as CN− or OH−. Often, the ligands act as Lewis bases, donating a pair of electrons to the central atom. These types of Lewis acid-base reactions are examples of a broad subdiscipline called coordination...
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Paradoxical Features Empower Biogenic Silver Nanoparticles.

Jackeline Pereira1, Otto Proaño1, Andrea Albán1

  • 1School of Biological Sciences and Engineering, Yachay Tech University, Hacienda San José s/n, San Miguel de Urcuquí 100119, Ecuador.

Molecules (Basel, Switzerland)
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Summary

Biogenic silver nanoparticles (bio-AgNPs) offer eco-friendly production and unique biomedical applications. Research highlights their potential in disease control, cancer therapy, and environmental remediation, with targeted action on specific cells.

Keywords:
biocompatibilitybiological propertiesbiomedical applicationsbioremediationbiosynthesiscoating biomoleculessilver nanoparticlessustainability

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Area of Science:

  • Nanotechnology
  • Materials Science
  • Biotechnology
  • Environmental Science

Background:

  • Silver nanoparticles (AgNPs) possess unique properties driving biomedical applications.
  • Conventional AgNP synthesis methods face cost and environmental challenges.
  • Biogenic production using natural resources offers a sustainable alternative.

Purpose of the Study:

  • To provide a comprehensive review of biogenic AgNP (bio-AgNP) research.
  • To examine bioresources, synthesis methods, and mechanisms of bio-AgNPs.
  • To detail the applications and unique biological properties of bio-AgNPs.

Main Methods:

  • Review of current scientific literature on bio-AgNP synthesis and applications.
  • Analysis of various bioresources (plants, microbes) for AgNP production.
  • Examination of underlying mechanisms and toxicity profiles of AgNPs.

Main Results:

  • Biogenic methods enable cost-effective and eco-friendly AgNP production.
  • Bio-AgNPs exhibit significant potential in controlling infectious disease vectors, cancer therapy, and antibiofilm activity.
  • Bio-AgNPs demonstrate specific action on targeted cells and microorganisms, minimizing off-target effects.

Conclusions:

  • Biogenic synthesis presents advantages and challenges for scalable AgNP production.
  • Bio-AgNPs hold promise for sustainable industrial and clinical applications.
  • Further research is crucial to advance the development and utilization of bio-AgNPs.