Laser-Ablative Synthesis of Ultrapure Magneto-Plasmonic Core-Satellite Nanocomposites for Biomedical Applications
The combination of magnetic and plasmonic properties at the nanoscale promises the development of novel synergetic image-guided therapy strategies for the treatment of cancer and other diseases, but the fabrication of non-contaminated magneto-plasmonic nanocomposites suitable for biological applications is difficult within traditional chemical methods. Here, we describe a methodology based on laser ablation from Fe target in the presence of preliminarily ablated water-dispersed Au nanoparticles (NPs) to synthesize ultrapure bare (ligand-free) core-satellite nanostructures, consisting of large (several tens of nm) Fe-based core decorated by small (mean size 7.5 nm) Au NPs. The presence of the Fe-based core conditions a relatively strong magnetic response of the nanostructures (magnetization of >12.6 emu/g), while the Au NPs-based satellite shell provides a broad extinction peak centered at 550 nm with a long tale in the near-infrared to overlap with the region of relative tissue transparency (650–950 nm). We also discuss possible mechanisms responsible for the formation of the magnetic-plasmonic nanocomposites. We finally demonstrate a protocol to enhance colloidal stability of the core-satellites in biological environment by their coating with different polymers. Exempt of toxic impurities and combining strong magnetic and plasmonic responses, the formed core-satellite nanocomposites can be used in biomedical applications, including photo- and magneto-induced therapies, magnetic resonance imaging or photoacoustic imaging.
Citations by journals
1
2
3
|
|
Nanomaterials
|
Nanomaterials
3 publications, 18.75%
|
Bulletin of the Lebedev Physics Institute
|
Bulletin of the Lebedev Physics Institute
3 publications, 18.75%
|
Journal of Materials Chemistry C
|
Journal of Materials Chemistry C
1 publication, 6.25%
|
Pharmaceutics
|
Pharmaceutics
1 publication, 6.25%
|
Journal of Drug Delivery Science and Technology
|
Journal of Drug Delivery Science and Technology
1 publication, 6.25%
|
Journal of Materials Chemistry B
|
Journal of Materials Chemistry B
1 publication, 6.25%
|
Nanoscale and Quantum Materials: From Synthesis and Laser Processing to Applications
|
Nanoscale and Quantum Materials: From Synthesis and Laser Processing to Applications, 1, 6.25%
Nanoscale and Quantum Materials: From Synthesis and Laser Processing to Applications
1 publication, 6.25%
|
Biomass Conversion and Biorefinery
|
Biomass Conversion and Biorefinery
1 publication, 6.25%
|
Materials Today Chemistry
|
Materials Today Chemistry
1 publication, 6.25%
|
TrAC - Trends in Analytical Chemistry
|
TrAC - Trends in Analytical Chemistry
1 publication, 6.25%
|
ACS Sensors
|
ACS Sensors
1 publication, 6.25%
|
Bulletin of Experimental Biology and Medicine
|
Bulletin of Experimental Biology and Medicine
1 publication, 6.25%
|
1
2
3
|
Citations by publishers
1
2
3
4
|
|
Multidisciplinary Digital Publishing Institute (MDPI)
|
Multidisciplinary Digital Publishing Institute (MDPI)
4 publications, 25%
|
Pleiades Publishing
|
Pleiades Publishing
3 publications, 18.75%
|
Elsevier
|
Elsevier
3 publications, 18.75%
|
Royal Society of Chemistry (RSC)
|
Royal Society of Chemistry (RSC)
2 publications, 12.5%
|
Springer Nature
|
Springer Nature
2 publications, 12.5%
|
American Chemical Society (ACS)
|
American Chemical Society (ACS)
1 publication, 6.25%
|
1
2
3
4
|
- We do not take into account publications that without a DOI.
- Statistics recalculated only for publications connected to researchers, organizations and labs registered on the platform.
- Statistics recalculated weekly.