Antonio Sasso
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View article: Gamma rays impact on 2D-MoS2 in water solution
Gamma rays impact on 2D-MoS2 in water solution Open
Two-dimensional transition metal dichalcogenides, particularly MoS2, are interesting materials for many applications in aerospace research, radiation therapy and bioscience more in general. Since in many of these applications MoS2-based na…
View article: Deep learning for optical tweezers
Deep learning for optical tweezers Open
Optical tweezers exploit light–matter interactions to trap particles ranging from single atoms to micrometer-sized eukaryotic cells. For this reason, optical tweezers are a ubiquitous tool in physics, biology, and nanotechnology. Recently,…
View article: Deep Learning for Optical Tweezers
Deep Learning for Optical Tweezers Open
Optical tweezers exploit light--matter interactions to trap particles ranging from single atoms to micrometer-sized eukaryotic cells. For this reason, optical tweezers are a ubiquitous tool in physics, biology, and nanotechnology. Recently…
View article: Exploring Reliable and Efficient Plasmonic Nanopatterning for Surface- and Tip-Enhanced Raman Spectroscopies
Exploring Reliable and Efficient Plasmonic Nanopatterning for Surface- and Tip-Enhanced Raman Spectroscopies Open
Surface-enhanced Raman scattering (SERS) is of growing interest for a wide range of applications, especially for biomedical analysis, thanks to its sensitivity, specificity, and multiplexing capabilities. A crucial role for successful appl…
View article: Optimal calibration of optical tweezers with arbitrary integration time and sampling frequencies: a general framework [Invited]
Optimal calibration of optical tweezers with arbitrary integration time and sampling frequencies: a general framework [Invited] Open
Optical tweezers (OT) have become an essential technique in several fields of physics, chemistry, and biology as precise micromanipulation tools and microscopic force transducers. Quantitative measurements require the accurate calibration …
View article: A Surface-Enhanced Raman Spectroscopy-Based Biosensor for the Detection of Biological Macromolecules: The Case of the Lipopolysaccharide Endotoxin Molecules
A Surface-Enhanced Raman Spectroscopy-Based Biosensor for the Detection of Biological Macromolecules: The Case of the Lipopolysaccharide Endotoxin Molecules Open
The development of sensitive methods for the detection of endotoxin molecules, such as lipopolysaccharides (LPS), is essential for food safety and health control. Conventional analytical methods used for LPS detection are based on the pyro…
View article: The Effectiveness of Cyrene as a Solvent in Exfoliating 2D TMDs Nanosheets
The Effectiveness of Cyrene as a Solvent in Exfoliating 2D TMDs Nanosheets Open
The pursuit of environmentally friendly solvents has become an essential research topic in sustainable chemistry and nanomaterial science. With the need to substitute toxic solvents in nanofabrication processes becoming more pressing, the …
View article: Optimal calibration of optical tweezers with arbitrary integration time and sampling frequencies -- A general framework
Optimal calibration of optical tweezers with arbitrary integration time and sampling frequencies -- A general framework Open
Optical tweezers (OT) have become an essential technique in several fields of physics, chemistry, and biology as precise micromanipulation tools and microscopic force transducers. Quantitative measurements require the accurate calibration …
View article: Characterization of Hyaluronic Acid-Coated PLGA Nanoparticles by Surface-Enhanced Raman Spectroscopy
Characterization of Hyaluronic Acid-Coated PLGA Nanoparticles by Surface-Enhanced Raman Spectroscopy Open
Nanoparticles (NPs) coated with hyaluronic acid (HA) seem to be increasingly promising for targeted therapy due to HA chemical versatility, which allows them to bind drugs of different natures, and their affinity with the transmembrane rec…
View article: Feasibility of SERS-Active Porous Ag Substrates for the Effective Detection of Pyrene in Water
Feasibility of SERS-Active Porous Ag Substrates for the Effective Detection of Pyrene in Water Open
Polycyclic aromatic hydrocarbons (PAHs) are ubiquitous pollutants that are typically released into the environment during the incomplete combustion of fossil fuels. Due to their relevant carcinogenicity, mutagenicity, and teratogenicity, i…
View article: Single-Cell Photothermal Analysis Induced by MoS2 Nanoparticles by Raman Spectroscopy
Single-Cell Photothermal Analysis Induced by MoS2 Nanoparticles by Raman Spectroscopy Open
Two-dimensional nanomaterials, such as MoS 2 nanosheets, have been attracting increasing attention in cancer diagnosis and treatment, thanks to their peculiar physical and chemical properties. Although the mechanisms which regulate the int…
View article: A simple and reliable approach for the fabrication of nanoporous silver patterns for surface-enhanced Raman spectroscopy applications
A simple and reliable approach for the fabrication of nanoporous silver patterns for surface-enhanced Raman spectroscopy applications Open
The fabrication of plasmonic nanostructures with a reliable, low cost and easy approach has become a crucial and urgent challenge in many fields, including surface-enhanced Raman spectroscopy (SERS) based applications. In this frame, nanop…
View article: Raman Analysis of Tear Fluid Alteration Following Contact Lense Use
Raman Analysis of Tear Fluid Alteration Following Contact Lense Use Open
Tear fluid is a heterogeneous solution containing mainly proteins, lipids, mucins and electrolytes, which regulates the physiology of the human eye. The complex composition of tears can be altered in the presence of eye inflammations. The …
View article: Experimental study of the mechanisms leading to the formation of glistenings in intraocular lenses by Raman spectroscopy
Experimental study of the mechanisms leading to the formation of glistenings in intraocular lenses by Raman spectroscopy Open
The phenomenon of glistenings, often appearing in intraocular lenses (IOLs) of patients after some time from the surgical operation, is potentially able to induce a poor quality of vision and, therefore, frustrate IOL implantation itself. …
View article: Manipulating matter with light
Manipulating matter with light Open
Arthur Ashkin, with his discovery of the optical tweezers, has made possible the dream of science fiction to manipulate matter with light. The optical tweezers have opened up an extremely interesting field of science, not yet exhausted, wh…
View article: Raman-microscopy investigation of vitrification-induced structural damages in mature bovine oocytes
Raman-microscopy investigation of vitrification-induced structural damages in mature bovine oocytes Open
Although oocyte cryopreservation has great potentials in the field of reproductive technologies, it still is an open challenge in the majority of domestic animals and little is known on the biochemical transformation induced by this proces…
View article: Cage Size and Jump Precursors in Glass-Forming Liquids: Experiment and Simulations
Cage Size and Jump Precursors in Glass-Forming Liquids: Experiment and Simulations Open
Glassy dynamics is intermittent, as particles suddenly jump out of the cage formed by their neighbors, and heterogeneous, as these jumps are not uniformly distributed across the system. Relating these features of the dynamics to the divers…
View article: Cell Imaging by Spontaneous and Amplified Raman Spectroscopies
Cell Imaging by Spontaneous and Amplified Raman Spectroscopies Open
Raman spectroscopy (RS) is a powerful, noninvasive optical technique able to detect vibrational modes of chemical bonds. The high chemical specificity due to its fingerprinting character and the minimal requests for sample preparation have…
View article: Symmetry-Induced Light Confinement in a Photonic Quasicrystal-Based Mirrorless Cavity
Symmetry-Induced Light Confinement in a Photonic Quasicrystal-Based Mirrorless Cavity Open
We numerically investigate the electromagnetic field localization in a two-dimensional photonic quasicrystal generated with a holographic tiling. We demonstrate that light confinement can be induced into an air mirrorless cavity by the inh…
View article: Nematic liquid crystal reorientation around multi-walled carbon nanotubes mapped via Raman microscopy
Nematic liquid crystal reorientation around multi-walled carbon nanotubes mapped via Raman microscopy Open
We have studied the formation of topological defects in liquid crystal (LC) matrices induced by multiwalled carbon nanotubes (MWCNTs) and external electric fields. The defects are ascribable to a distortion of the LC molecular director in …
View article: Dark spots along slowly scaling chains of plasmonic nanoparticles
Dark spots along slowly scaling chains of plasmonic nanoparticles Open
We numerically investigate the optical response of slowly scaling linear chains of mismatched silver nanoparticles. Hybridized plasmon chain resonances manifest unusual local field distributions around the nanoparticles that result from sy…