P. A. S. Jorge
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View article: Inelastic scattering dynamics of hyperthermal O atoms on engineering surfaces relevant to satellites in low Earth orbit
Inelastic scattering dynamics of hyperthermal O atoms on engineering surfaces relevant to satellites in low Earth orbit Open
Understanding the gas-surface momentum transfer of oxygen atoms, a major component of the residual atmosphere at very low Earth orbit (VLEO) altitudes of 100–450 km, on materials on the exterior of satellites is important for estimating dr…
View article: Beyond Human Vision: Unlocking the Potential of Augmented Reality for Spectral Imaging
Beyond Human Vision: Unlocking the Potential of Augmented Reality for Spectral Imaging Open
Spectral imaging is a broad term that refers to the use of a spectroscopy technique to analyze sample surfaces, collecting and representing spatially referenced signals. Depending on the technique utilized, it allows the user to reveal fea…
View article: Relevance of an RF plasma source to satellite material testing in VLEO conditions
Relevance of an RF plasma source to satellite material testing in VLEO conditions Open
Satellites operating in Very Low Earth Orbit (VLEO) are exposed to a harsh environment composed of atomic oxygen and molecular nitrogen which can significantly degrade spacecraft materials. Novel atmosphere-breathing electric propulsion (A…
View article: Inelastic Scattering Dynamics of Hyperthermal O Atoms on Engineering Surfaces Relevant to Satellites in Low Earth Orbit
Inelastic Scattering Dynamics of Hyperthermal O Atoms on Engineering Surfaces Relevant to Satellites in Low Earth Orbit Open
Understanding the gas-surface momentum transfer of oxygen atoms, a major component of the residual atmosphere at very low Earth orbit (VLEO) altitudes of 100–450 km, on materials on the exterior of satellites is important for estimating dr…
View article: Enhancing spectral imaging with multi-condition image fusion
Enhancing spectral imaging with multi-condition image fusion Open
Spectral Imaging techniques such as Laser-induced Breakdown Spectroscopy (LIBS) and Raman Spectroscopy (RS) enable the localized acquisition of spectral data, providing insights into the presence, quantity, and spatial distribution of chem…
View article: Tracing the Geochemical History of Eocene Fish Using X-ray Fluorescence
Tracing the Geochemical History of Eocene Fish Using X-ray Fluorescence Open
A study of an Eocene fish fossil using portable XRF revealed distinct geochemical differences between the fossil and surrounding sediment. Elements like uranium, yttrium, arsenic, and phosphorus were found only in the fossil, while calcium…
View article: IMPACT OF MULTIPLE MYELOMA: REVEALING CLINICAL AND GENETIC ASPECTS
IMPACT OF MULTIPLE MYELOMA: REVEALING CLINICAL AND GENETIC ASPECTS Open
Introduction: Multiple myeloma (MM) is a neoplastic disease of plasma cells, the second most prevalent hematological cancer in Brazil, characterized by infiltration of the bone marrow by differentiated B lymphocytes (plasma cells) and prog…
View article: Unsupervised and interpretable discrimination of lithium-bearing minerals with Raman spectroscopy imaging
Unsupervised and interpretable discrimination of lithium-bearing minerals with Raman spectroscopy imaging Open
As lithium-bearing minerals become critical raw materials for the field of energy storage and advanced technologies, the development of tools to accurately identify and differentiate these minerals is becoming essential for efficient resou…
View article: Exciting Surface Plasmon Resonances on Gold Thin Film‐Coated Optical Fibers Through Nanoparticle Light Scattering
Exciting Surface Plasmon Resonances on Gold Thin Film‐Coated Optical Fibers Through Nanoparticle Light Scattering Open
Surface plasmon resonance (SPR) conventionally occurs at the interface of a thin metallic film and an external dielectric medium in fiber optics through core‐guided light. However, this work introduces theoretical and experimental evidence…
View article: Integrated All-In-Silica Optofluidic Platform Based on Microbubble Resonator and Femtosecond Laser Written Surface Waveguide
Integrated All-In-Silica Optofluidic Platform Based on Microbubble Resonator and Femtosecond Laser Written Surface Waveguide Open
Optical microbubble resonators (OMBRs)–understood as localized thin wall bulges induced in silica microcapillaries-are gaining an ever-growing interest in microfluidic sensing applications due to their capability to sustain whispering gall…
View article: Applications of electrochemical impedance spectroscopy in disease diagnosis—A review
Applications of electrochemical impedance spectroscopy in disease diagnosis—A review Open
Electrochemical impedance spectroscopy (EIS) is a reliable technique for gathering information about electrochemical process occurring at the electrode surface and investigating properties of materials. Furthermore, EIS technique can be a …
View article: Autonomous and intelligent optical tweezers for improving the reliability and throughput of single particle analysis
Autonomous and intelligent optical tweezers for improving the reliability and throughput of single particle analysis Open
Optical tweezers are an interesting tool to enable single cell analysis, especially when coupled with optical sensing and advanced computational methods. Nevertheless, such approaches are still hindered by system operation variability, and…
View article: Characterization of Functional Coatings on Cork Stoppers with Laser-Induced Breakdown Spectroscopy Imaging
Characterization of Functional Coatings on Cork Stoppers with Laser-Induced Breakdown Spectroscopy Imaging Open
Evaluating the efficiency of surface treatments is a problem of paramount importance for the cork stopper industry. Generically, these treatments create coatings that aim to enhance the impermeability and lubrification of cork stoppers. Ye…
View article: Imprinted Hydrogel Nanoparticles for Protein Biosensing: A Review
Imprinted Hydrogel Nanoparticles for Protein Biosensing: A Review Open
Over the past decade, molecular imprinting (MI) technology has made tremendous progress, and the advancements in nanotechnology have been the major driving force behind the improvement of MI technology. The preparation of nanoscale imprint…
View article: Conditioning Solid-State Anode-Less Cells for the Next Generation of Batteries
Conditioning Solid-State Anode-Less Cells for the Next Generation of Batteries Open
Anode-less batteries are a promising innovation in energy storage technology, eliminating the need for traditional anodes and offering potential improvements in efficiency and capacity. Here, we have fabricated and tested two types of anod…
View article: Intelligent grids for faster elemental mapping with Laser-induced breakdown spectroscopy
Intelligent grids for faster elemental mapping with Laser-induced breakdown spectroscopy Open
Laser-induced breakdown spectroscopy is a spectroscopic technique that allows for fast elemental mapping of heterogeneous samples. Yet, detailed maps need high-resolution sampling grids, which can turn the task into a time-consuming proces…
View article: Autonomous Optical Tweezers: from automatic trapping to single particle analysis
Autonomous Optical Tweezers: from automatic trapping to single particle analysis Open
Optical trapping is a versatile and non-invasive technique for single particle manipulation. As such, it can be widely applied in the domains of particle identification and classification and thus used as a tool for monitoring physical and…
View article: Multimodal approach to mineral identification: merging Laser-induced breakdown spectroscopy with Hyperspectral imaging
Multimodal approach to mineral identification: merging Laser-induced breakdown spectroscopy with Hyperspectral imaging Open
While laser-induced breakdown spectroscopy is often used as a standalone technique, recent years saw an increasing interest in their combination with additional techniques towards multimodal sensing solutions capable of enhancing the capab…
View article: Towards real-time identification of trapped particles with UMAP-based classifiers
Towards real-time identification of trapped particles with UMAP-based classifiers Open
Optical trapping provides a way to isolate, manipulate, and probe a wide range of microscopic particles. Moreover, as particle dynamics are strongly affected by their shape and composition, optical tweezers can also be used to identify and…
View article: Integrating Laser-induced breakdown spectroscopy and photogrammetry towards 3D element mapping
Integrating Laser-induced breakdown spectroscopy and photogrammetry towards 3D element mapping Open
The possibility to map the element distribution on a sample surface is one of the interesting applications of laser-induced breakdown spectroscopy that has been extensively explored in recent years. In this manuscript, we explore the combi…
View article: Listening plasmas in Laser-Induced Breakdown Spectroscopy
Listening plasmas in Laser-Induced Breakdown Spectroscopy Open
Apart from radiation, which constitutes the primary source of information in laser-induced breakdown spectroscopy, the process is accompanied by secondary processes such as shock wave generation and sound emission. In this manuscript, we e…
View article: Differential Refractometric Biosensor for Reliable Human IgG Detection: Proof of Concept
Differential Refractometric Biosensor for Reliable Human IgG Detection: Proof of Concept Open
A new sensing platform based on long-period fiber gratings (LPFGs) for direct, fast, and selective detection of human immunoglobulin G (IgG; Mw = 150 KDa) was developed and characterized. The transducer’s high selectivity is based on the s…
View article: Effects of Pulse Duration in Laser-induced Breakdown Spectroscopy
Effects of Pulse Duration in Laser-induced Breakdown Spectroscopy Open
Laser-induced breakdown spectroscopy (LIBS) is a technique that leverages atomic emission towards element identification and quantification. While the potential of the technology is vast, it still struggles with obstacles such as the varia…
View article: A Plasmonic Biosensor Based on Light-Diffusing Fibers Functionalized with Molecularly Imprinted Nanoparticles for Ultralow Sensing of Proteins
A Plasmonic Biosensor Based on Light-Diffusing Fibers Functionalized with Molecularly Imprinted Nanoparticles for Ultralow Sensing of Proteins Open
Plasmonic bio/chemical sensing based on optical fibers combined with molecularly imprinted nanoparticles (nanoMIPs), which are polymeric receptors prepared by a template-assisted synthesis, has been demonstrated as a powerful method to att…
View article: Automation strategies and machine learning algorithms towards real-time identification of optically trapped particles
Automation strategies and machine learning algorithms towards real-time identification of optically trapped particles Open
To automatically trap, manipulate and probe physical properties of micron-sized particles is a step of paramount importance for the development of intelligent and integrated optomicrofluidic devices. In this work, we aim at implementing an…
View article: Intelligent Optical Tweezers with deep neural network classifiers
Intelligent Optical Tweezers with deep neural network classifiers Open
Optical tweezers use light to trap and manipulate mesoscopic scaled particles with high precision making them a useful tool in a plethora of natural sciences, with emphasis on biological applications. In principle, the Brownian-like dynami…