Fluorescent C-based materials and nanopowders for magnetic sensing

A special issue of C (ISSN 2311-5629).

Deadline for manuscript submissions: closed (31 December 2018) | Viewed by 5360

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Department of Physics, University of Trento, via Sommarive 14, 38123 Povo, Italy
Interests: nanodiamond fluorescence; diamond synthesis; nonlinear photonics; laser ablation propulsion
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Dear Colleagues,

 

Carbon-based materials and nanopowders, namely diamonds, silicon carbide (SiC) and their nanometric counterparts, show peculiar fluorescent properties. The light emission coming from atom-like color centers in their crystal structures often exhibit spin-dependent characteristics, still observable and controllable at room temperature. The main optical technique capable of characterizing these opto-magnetic fingerprints of C-based nanopowders is the so-called Optically Detected Magnetic Resonance (ODMR) and its variants, involving microscopy techniques (wide-field, confocal, etc.). With these means, it is possible to use C-based materials and nanopowders as local magnetic sensors or fluorescent probes sensitive to feeble magnetic fields (down to ~pT regime). Their applications, for example, in sensing biomagnetically-feeble fields started to appear in the literature.

The main aim of this Special Issue is to present the most relevant and recent insights in the field of carbon-based (nano)materials and addressed their synthesis, optical characterization and exploitation as highly sensitive magnetic sensors and probes with particular attention on the material synthesis techniques, optical characterization of such (nano)materials, and also the present main applications.

Dr. Massimo Cazzanelli
Guest Editor

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Keywords

  • Optically Detected Magnetic Resonance
  • Silicon Carbide (SiC)
  • NV (nitrogen-vacancy) centers in diamond and nanodiamonds
  • Silicon-vacancy (Si-V) centers in SiC, diamond and nanodiamonds
  • Nickel-nitrogen color centers in (nano)diamond
  • Quantum sensing with fluorescent (nano)materials
  • Bio-sensing with fluorescent (nano)materials
  • Laser Ablation Synthesis of nanodiamonds and SiC nanopowders
  • Detonation nanodiamonds
  • HPHT (High Pressure High Temperature) diamonds and nanodiamonds
  • CVD (Chemical Vapour Deposition) of diamonds and nanodiamonds
  • Controlled doping of (nano)diamonds
  • Sublimation synthesis of SiC
  • Biocompatibility of C-based nanopowders

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Published Papers (1 paper)

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Research

15 pages, 3339 KiB  
Article
A Tailor-Made Protocol to Synthesize Yolk-Shell Graphene-Based Magnetic Nanoparticles for Nanomedicine
by Raquel O. Rodrigues, Giovanni Baldi, Saer Doumett, Juan Gallo, Manuel Bañobre-López, Goran Dražić, Ricardo C. Calhelha, Isabel C. F. R. Ferreira, Rui Lima, Adrián M. T. Silva and Helder T. Gomes
C 2018, 4(4), 55; https://doi.org/10.3390/c4040055 - 13 Oct 2018
Cited by 7 | Viewed by 4766
Abstract
A simple tailor-made protocol to synthesize graphene-based magnetic nanoparticles (GbMNPs) for nanomedicine is herein reported. Different GbMNPs with very distinctive physicochemical and toxicological properties were synthesized by adjusting the number of carbon precursors in the coating of superparamagnetic iron oxide nanoparticles. In vitro [...] Read more.
A simple tailor-made protocol to synthesize graphene-based magnetic nanoparticles (GbMNPs) for nanomedicine is herein reported. Different GbMNPs with very distinctive physicochemical and toxicological properties were synthesized by adjusting the number of carbon precursors in the coating of superparamagnetic iron oxide nanoparticles. In vitro tests show the ability to use these GbMNPs as intelligent and on-demand drug nanocarrier systems for drug delivery, exhibiting the following features: good colloidal stability, good loading capacity of the chemotherapeutic drug doxorubicin, high pH-controlled release of the encapsulated drug (targeting tumour acidic pH conditions), superparamagnetic behaviour and biocompatibility. Due to their combined properties (i.e., physicochemical, magnetic, and biocompatibility), GbMNPs show high potentiality to be combined with other biomedical techniques, such as magnetic hyperthermia, which can represent an enhancement in the treatment of cancer. Full article
(This article belongs to the Special Issue Fluorescent C-based materials and nanopowders for magnetic sensing)
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