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Carbogenically coated silica nanoparticles and their forensic applications
D Fernandes1, M J Krysmann, A Kelarakis
1Centre for Materials Science, School of Physical Sciences and Computing, University of Central Lancashire, Preston PR12HE, UK. akelarakis@uclan.ac.uk.
Chemical Communications (Cambridge, England)
|June 14, 2016
Summary
Carbogenically coated silica nanoparticles offer versatile forensic solutions. These nanoparticles are effective for fingerprint development and create unique nanotags to combat counterfeiting.
Area of Science:
- Materials Science
- Forensic Science
- Nanotechnology
Background:
- Silica nanoparticles (SiO2) are widely studied for their unique properties.
- Color-tunable nanomaterials are of significant interest for advanced applications.
- Forensic science requires innovative tools for evidence detection and authentication.
Purpose of the Study:
- To explore the forensic applications of carbogenically coated silica nanoparticles (C-SiO2).
- To evaluate C-SiO2 nanopowders for latent fingerprint development.
- To investigate the potential of C-SiO2 nanoparticle aggregation for anti-counterfeiting nanotags.
Main Methods:
- Synthesis of carbogenically coated silica nanoparticles (C-SiO2).
- Assessment of C-SiO2 nanopowder performance in fingerprint visualization on various backgrounds.
- Analysis of spontaneous nanoparticle aggregation for nanotag creation and characterization.
Main Results:
- C-SiO2 nanopowders demonstrated excellent color-tunability.
- High contrast was achieved when using C-SiO2 for fingerprint development on complex backgrounds.
- Spontaneous aggregation of C-SiO2 nanoparticles resulted in unique, non-duplicable nanotags.
Conclusions:
- Carbogenically coated silica nanoparticles are promising for forensic applications.
- C-SiO2 offers an effective solution for enhancing fingerprint visibility.
- The unique aggregation properties of C-SiO2 enable cost-effective and sustainable anti-counterfeiting technologies.
