Federico Picollo
YOU?
Author Swipe
View article: Formation of luminescent defects in 4H-SiC upon ion irradiation and ns laser annealing
Formation of luminescent defects in 4H-SiC upon ion irradiation and ns laser annealing Open
We present a novel approach for the optical activation of the negatively-charged silicon vacancy ( V Si − ) center in ion irradiated silicon carbide (SiC) via ns-pulsed laser annealing in the 234–2180 mJ cm − 2 energy density range. The la…
View article: Synthesis and characterization of gold-coated nanodiamonds through green chemistry as potential radiosensitizers for proton therapy
Synthesis and characterization of gold-coated nanodiamonds through green chemistry as potential radiosensitizers for proton therapy Open
In this work the synthesis and characterization of novel gold-nanodiamond nanoparticles was performed. The synthesis was based on the reduction of gold onto the different types of nanodiamond (annealed or annealed and oxidized, 50 or 230 n…
View article: Effects of Thermal Oxidation and Proton Irradiation on Optically Detected Magnetic Resonance Sensitivity in Sub-100 nm Nanodiamonds
Effects of Thermal Oxidation and Proton Irradiation on Optically Detected Magnetic Resonance Sensitivity in Sub-100 nm Nanodiamonds Open
In recent decades, nanodiamonds (NDs) have emerged as innovative nanotools for weak magnetic fields and small temperature variation sensing, especially in biological systems. At the basis of the use of NDs as quantum sensors are nitrogen-v…
View article: Micro-computed tomography and laser micro-ablation on altered pyrite in lapis lazuli to enhance provenance investigation: a new methodology and its application to archaeological cases
Micro-computed tomography and laser micro-ablation on altered pyrite in lapis lazuli to enhance provenance investigation: a new methodology and its application to archaeological cases Open
This work presents an upgrade to the methodology adopted to investigate the provenance of the raw lapis lazuli material used in antiquity for carving precious artefacts. Samples from archaeological excavation contexts frequently display su…
View article: Covalent Functionalisation of rGO and Nanodiamonds: Complementary Versatility and Applicability of Azomethine Ylide, Nitrile Oxide and Nitrone
Covalent Functionalisation of rGO and Nanodiamonds: Complementary Versatility and Applicability of Azomethine Ylide, Nitrile Oxide and Nitrone Open
The existing synthetic protocols for the direct functionalization of carbon‐based nanomaterials often entail limitations due to their harsh reaction conditions, which require the use of high temperatures for extended periods. This study ai…
View article: Creation, Control, and Modeling of NV Centers in Nanodiamonds
Creation, Control, and Modeling of NV Centers in Nanodiamonds Open
Sensing based on Nitrogen‐Vacancy (NV) centers in nanodiamonds (NDs) represents a potentially groundbreaking technology with broad applications. Nevertheless, the optimization of their quantum‐optical properties is still a challenging issu…
View article: Bessel beam fabrication of graphitic micro electrodes in diamond using laser bursts
Bessel beam fabrication of graphitic micro electrodes in diamond using laser bursts Open
We present the fabrication of conductive graphitic microelectrodes in diamond by using pulsed Bessel beams in the burst mode laser writing regime. The graphitic wires are created in the bulk of a 500 μm thick monocrystalline HPHT diamond (…
View article: Bessel beam fabrication of graphitic micro electrodes in diamond using laser bursts
Bessel beam fabrication of graphitic micro electrodes in diamond using laser bursts Open
We present the fabrication of conductive graphitic microelectrodes in diamond by using pulsed Bessel beams in the burst mode laser writing regime. The graphitic wires are created in the bulk of a 500 μm thick monocrystalline HPHT diamond (…
View article: A multi-electrode two-dimensional position sensitive diamond detector
A multi-electrode two-dimensional position sensitive diamond detector Open
In multi-electrode devices, charge pulses at all the electrodes are induced concurrently by the motion of the excess charge carriers generated by a single ion. This charge-sharing effect is such that the pulse amplitude at each sensitive e…
View article: 3D Printing in Microfluidics: Experimental Optimization of Droplet Size and Generation Time through Flow Focusing, Phase, and Geometry Variation
3D Printing in Microfluidics: Experimental Optimization of Droplet Size and Generation Time through Flow Focusing, Phase, and Geometry Variation Open
Droplet-based microfluidics systems have become widely used in recent years thanks to their advantages, varying from the possibility of handling small fluid volumes to directly synthesizing and encapsulating various living forms for biolog…
View article: Latest results from the RD42 collaboration on the radiation tolerance of polycrystalline diamond detectors
Latest results from the RD42 collaboration on the radiation tolerance of polycrystalline diamond detectors Open
As nuclear and particle physics facilities move to higher intensities, the detectors used there must be more radiation tolerant. Diamond is in use at many facilities due to its inherent radiation tolerance and ease of use. In this article …
View article: Improving the control of the electroforming process in oxide-based memristive devices by X-ray nanopatterning
Improving the control of the electroforming process in oxide-based memristive devices by X-ray nanopatterning Open
We tuned the oxygen content in a Ta/TiO 2 /Pt memristive device at the nanoscale by a synchrotron X-ray nanobeam. We obtained a conductive filament of oxygen vacancies in the desired position in the material to achieve a controlled resisti…
View article: 3D printing in microfluidics: experimental optimization of droplet size and generation time through flow focusing, phase, and geometry variation
3D printing in microfluidics: experimental optimization of droplet size and generation time through flow focusing, phase, and geometry variation Open
Optimizing droplet size and timing in microfluidics using phase, and geometrical adjustments using desktop 3D printer.
View article: Designing functionalized nanodiamonds with hyaluronic acid–phospholipid conjugates for enhanced cancer cell targeting and fluorescence imaging capabilities
Designing functionalized nanodiamonds with hyaluronic acid–phospholipid conjugates for enhanced cancer cell targeting and fluorescence imaging capabilities Open
Novel approach for the functionalization of nanodiamonds with Hyaluronic Acid is proposed, utilizing non-covalent anchoring. NDs exhibit improved properties including increased internalization in human adenocarcinoma cells overexpressing C…
View article: Enhancing the Study of Quantal Exocytotic Events: Combining Diamond Multi-Electrode Arrays with Amperometric PEak Analysis (APE) an Automated Analysis Code
Enhancing the Study of Quantal Exocytotic Events: Combining Diamond Multi-Electrode Arrays with Amperometric PEak Analysis (APE) an Automated Analysis Code Open
MicroGraphited-Diamond-Multi Electrode Arrays (μG-D-MEAs) can be successfully used to reveal, in real time, quantal exocytotic events occurring from many individual neurosecretory cells and/or from many neurons within a network. As μG-D-ME…
View article: Nanodiamond Effects on Cancer Cell Radiosensitivity: The Interplay between Their Chemical/Physical Characteristics and the Irradiation Energy
Nanodiamond Effects on Cancer Cell Radiosensitivity: The Interplay between Their Chemical/Physical Characteristics and the Irradiation Energy Open
Nanoparticles are being increasingly studied to enhance radiation effects. Among them, nanodiamonds (NDs) are taken into great consideration due to their low toxicity, inertness, chemical stability, and the possibility of surface functiona…
View article: Nanodiamond–Quantum Sensors Reveal Temperature Variation Associated to Hippocampal Neurons Firing
Nanodiamond–Quantum Sensors Reveal Temperature Variation Associated to Hippocampal Neurons Firing Open
Adv. Sci. 2022, 9, 2202014 DOI: 10.1002/advs.202202014 In the originally published article, one affiliation for P. Cígler is missing. Please find the correct affiliations below: G. Petrini, E. Bernardi, E. Moreva, P. Traina, I. P. Degiovan…
View article: Progress in Diamond Detectors
Progress in Diamond Detectors Open
Detectors based on Chemical Vapor Deposition (CVD) diamond have been used successfully in Luminosity and Beam Condition Monitors (BCM) in the highest radiation areas of the LHC. Future experiments at CERN will accumulate an order of magnit…
View article: Conductive graphitic wires generation in diamond by means of pulsed Bessel beam micromachining
Conductive graphitic wires generation in diamond by means of pulsed Bessel beam micromachining Open
We present the fabrication of transverse graphitic microelectrodes in a 500 μm thick synthetic diamond bulk by means of pulsed Bessel beams. By suitably placing the elongated focal length of the Bessel beam across the entire sample, the gr…
View article: Diamond-based sensors for in vitro cellular radiobiology: Simultaneous detection of cell exocytic activity and ionizing radiation
Diamond-based sensors for in vitro cellular radiobiology: Simultaneous detection of cell exocytic activity and ionizing radiation Open
The investigation of secondary effects induced by ionizing radiation represents a new and ever-growing research field in radiobiology. This new paradigm cannot be investigated only using standard instrumentation and methodologies, but rath…
View article: Radiation tolerance of diamond detectors
Radiation tolerance of diamond detectors Open
Diamond is used as detector material in high energy physics experiments due to its inherent radiation tolerance. The RD42 collaboration has measured the radiation tolerance of chemical vapour deposition (CVD) diamond against proton, pion, …
View article: Nanodiamond–Quantum Sensors Reveal Temperature Variation Associated to Hippocampal Neurons Firing
Nanodiamond–Quantum Sensors Reveal Temperature Variation Associated to Hippocampal Neurons Firing Open
Temperature is one of the most relevant parameters for the regulation of intracellular processes. Measuring localized subcellular temperature gradients is fundamental for a deeper understanding of cell function, such as the genesis of acti…
View article: Monitoring cells local temperature variation using nitrogen-vacancy (NV) centers in nanodiamonds
Monitoring cells local temperature variation using nitrogen-vacancy (NV) centers in nanodiamonds Open
The growing interest in understanding the complex mechanisms that regulate biological processes has prompted the study and the improvement of quantum sensors, potentially capable of detecting a wide class of physical quantities of biologic…
View article: Experimental and numerical study of the effect of surface patterning on the frictional properties of polymer surfaces
Experimental and numerical study of the effect of surface patterning on the frictional properties of polymer surfaces Open
We describe benchmark experiments to evaluate the frictional properties of laser patterned low-density polyethylene as a function of sliding velocity, normal force and humidity. The pattern is a square lattice of square cavities with sub-m…
View article: Experimental and Numerical Study of the Effect of Surface Patterning on the Frictional Properties of Polymer Surfaces
Experimental and Numerical Study of the Effect of Surface Patterning on the Frictional Properties of Polymer Surfaces Open
We describe benchmark experiments to evaluate the frictional properties of laser patterned low-density polyethylene as a function of sliding velocity, normal force, and humidity. The pattern is a square lattice of square cavities with sub-…