J. Rivas
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View article: Unveiling Dipolar Interaction‐Driven Magnetic Field Inhomogeneities in T <sub>2</sub> MRI Contrast Agents
Unveiling Dipolar Interaction‐Driven Magnetic Field Inhomogeneities in T <sub>2</sub> MRI Contrast Agents Open
Modulating local magnetic field inhomogeneities, combined with ultra‐high‐field MRI (UHF‐MRI) is a promising strategy to enhance the performance of next‐generation T 2 contrast agents (CAs). Although dipolar interactions likely contribute …
View article: Comparative Analysis of CRISPR/Cas9 Delivery Methods in Marine Teleost Cell Lines
Comparative Analysis of CRISPR/Cas9 Delivery Methods in Marine Teleost Cell Lines Open
Gene editing technologies such as CRISPR/Cas9 have revolutionized functional genomics, yet their application in marine fish cell lines remains limited by inefficient delivery. This study compares three delivery strategies—electroporation, …
View article: Predicting the Dominant Role of Dense Aggregates in Magnetic Hyperthermia via Intracellular‐Mimetic Nanoparticle Models
Predicting the Dominant Role of Dense Aggregates in Magnetic Hyperthermia via Intracellular‐Mimetic Nanoparticle Models Open
Dense aggregation of magnetic nanoparticles (MNPs) in cellular environments is a major contributor to reduced magnetic hyperthermia (MH) efficiency; however, in situ magnetic characterization remains challenging, necessitating reliable ext…
View article: Thermoregulable Magnetic Microfluidic Devices by Magnetic Hyperthermia from Iron Oxide Nanoparticles
Thermoregulable Magnetic Microfluidic Devices by Magnetic Hyperthermia from Iron Oxide Nanoparticles Open
Accurate control of energy supplied to a liquid in a controlled environment is essential for automating and optimizing processes. Organs on a chip (OoC) are an emerging technology that allows the design of customized environmental conditio…
View article: Comparative Analysis of CRISPR/Cas9 Delivery Methods in Marine Teleost Cell Lines
Comparative Analysis of CRISPR/Cas9 Delivery Methods in Marine Teleost Cell Lines Open
Gene editing technologies such as CRISPR/Cas9 have revolutionized functional genomics, yet their application in marine fish cell lines remains limited by inefficient delivery. This study compares three delivery strategies—electroporation, …
View article: Comparative Analysis of Federated Association Rules in a Simulated Environment for Medical Applications
Comparative Analysis of Federated Association Rules in a Simulated Environment for Medical Applications Open
This article examines some of the most relevant algorithms for association rule mining in a medical context, within the framework of unsupervised Federated Learning (FL) in a simulated environment. Unlike traditional algorithms that rely o…
View article: Development and characterization of microfluidic chips with thermal properties employing magnetic hyperthermia
Development and characterization of microfluidic chips with thermal properties employing magnetic hyperthermia Open
There are many fields, such as microfluidics and Organ-on-a-chip technologies, where an optimal setting and control of temperature is necessary. These fields are reaching the forefront of personalised medicine, thus requiring developing mo…
View article: Surface-modified iron oxide nanoprobes in biomedical scaffolds
Surface-modified iron oxide nanoprobes in biomedical scaffolds Open
Magnetic (PU) scaffolds incorporating superparamagnetic iron oxide nanoparticles (SPIONs) offer a promising platform for localized cancer therapy.
View article: Microfluidics‐Driven Manufacturing and Multiscale Analytical Characterization of Nanoparticle‐Vesicle Hybrids
Microfluidics‐Driven Manufacturing and Multiscale Analytical Characterization of Nanoparticle‐Vesicle Hybrids Open
Coating synthetic nanoparticles (NPs) with lipid membranes is a promising approach to enhance the performance of nanomaterials in various biological applications, including therapeutic delivery to target organs. Current methods for achievi…
View article: Scenarios for Optical Encryption Using Quantum Keys
Scenarios for Optical Encryption Using Quantum Keys Open
Optical communications providing huge capacity and low latency remain vulnerable to a range of attacks. In consequence, encryption at the optical layer is needed to ensure secure data transmission. In our previous work, we proposed LightPa…
View article: Demonstration of Classical and Hybrid Solutions for Lightpath Security Using Quantum Keys
Demonstration of Classical and Hybrid Solutions for Lightpath Security Using Quantum Keys Open
Optical communications have enabled high-speed data transmission over long distances. However, data are transmitted plain unless are encrypted on higher layers, e.g., IP and TCP, precisely because of: i) the high data rates; and ii) the ne…
View article: Nanostructured Magnetic Particles for Removing Cyanotoxins: Assessing Effectiveness and Toxicity In Vitro
Nanostructured Magnetic Particles for Removing Cyanotoxins: Assessing Effectiveness and Toxicity In Vitro Open
The rise in cyanobacterial blooms due to eutrophication and climate change has increased cyanotoxin presence in water. Most current water treatment plants do not effectively remove these toxins, posing a potential risk to public health. Th…
View article: Magnetic Nanoparticles and Magnetic Sensors for Ultrasensitive and Fast Diagnostics
Magnetic Nanoparticles and Magnetic Sensors for Ultrasensitive and Fast Diagnostics Open
A novel methodology for the sizing of magnetic nanoparticles (MNPs) based on diffusion is described herein. The sensing core is an electrical coil wrapped around a capillary filled by an MNP solution. We show that it is possible to determi…
View article: Understanding adsorption mechanisms and metal ion selectivity of superparamagnetic beads with mesoporous CMK-3 carbon and commercial activated carbon
Understanding adsorption mechanisms and metal ion selectivity of superparamagnetic beads with mesoporous CMK-3 carbon and commercial activated carbon Open
This study investigates, the adsorption capacities of synthesized magnetic hybrid beads containing ordered mesoporous carbon (CMK-3) and commercial activated carbon (commercial AC) for Cd (II), Ni (II), and Hg (II) ions adsorption in singl…
View article: Innovative films by embedding magnetic nanoparticles in cellulose acetate
Innovative films by embedding magnetic nanoparticles in cellulose acetate Open
Magnetic nanoparticles (MNPs) with different magnetic, physical, and chemical properties can be used to develop magnetic tags, offering a unique traceability capability that can then be used to improve products’ safety. In this work, synth…
View article: Simple thermal treatment to improve the MRI and magnetic hyperthermia performance of hybrid iron Oxide-Mesoporous silica nanocarriers
Simple thermal treatment to improve the MRI and magnetic hyperthermia performance of hybrid iron Oxide-Mesoporous silica nanocarriers Open
The design of multifunctional nanocomposites (NCs), incorporating a variety of controllable properties from nanostructured materials, spans their applicability as nanotools in biomedical applications. Santa Barbara Amorphous (SBA-15) mesop…
View article: Experimental Demonstration of Optical Encryption Using Quantum Keys: Two Scenarios
Experimental Demonstration of Optical Encryption Using Quantum Keys: Two Scenarios Open
Optical encryption using Quantum keys retrieved from real QKD and QRNG systems will be demonstrated. Retrieved keys are expanded to the required bitrate and then used to encrypt the input bit stream at line speed.
View article: Synthesizing small-sized monodisperse molybdenum nanoparticles as potential precursors for medical radioisotopes
Synthesizing small-sized monodisperse molybdenum nanoparticles as potential precursors for medical radioisotopes Open
Molybdenum-99 (99Mo) is used to produce technetium-99 m (99mTc), one of the most used medical radioisotopes in the world. 99Mo is currently created by fission of uranium-235 (235U) in a small number of research nuclear fission reactors. Se…
View article: Magnetic-driven Interleukin-4 internalization promotes magnetic nanoparticle morphology and size-dependent macrophage polarization
Magnetic-driven Interleukin-4 internalization promotes magnetic nanoparticle morphology and size-dependent macrophage polarization Open
Macrophages are known to depict two major phenotypes: classically activated macrophages (M1), associated with high production of pro-inflammatory cytokines, and alternatively activated macrophages (M2), which present an anti-inflammatory f…
View article: Organotypic Hippocampal Slice Cultures from Adult Tauopathy Mice and Theragnostic Evaluation of Nanomaterial Phospho-TAU Antibody-Conjugates
Organotypic Hippocampal Slice Cultures from Adult Tauopathy Mice and Theragnostic Evaluation of Nanomaterial Phospho-TAU Antibody-Conjugates Open
Organotypic slice culture models surpass conventional in vitro methods in many aspects. They retain all tissue-resident cell types and tissue hierarchy. For studying multifactorial neurodegenerative diseases such as tauopathies, it is cruc…
View article: Versatile magnetic configuration for the control and manipulation of superparamagnetic nanoparticles
Versatile magnetic configuration for the control and manipulation of superparamagnetic nanoparticles Open
The control and manipulation of superparamagnetic nanoparticles (SP-MNP) is a significant challenge and has become increasingly important in various fields, especially in biomedical research. Yet, most of applications rely on relatively la…
View article: Fluorescent Magnetic Mesoporous Nanoprobes for Biotechnological Enhancement Procedures in Gene Therapy
Fluorescent Magnetic Mesoporous Nanoprobes for Biotechnological Enhancement Procedures in Gene Therapy Open
In recent years, nanotechnology has deployed a new set of theragnostic tools, including magnetic resonance contrast agents, nano-delivery systems and magnetic hyperthermia treatments in cancer therapy, exploiting not only the small size of…
View article: Bone Regeneration Guided by a Magnetized Scaffold in an Ovine Defect Model
Bone Regeneration Guided by a Magnetized Scaffold in an Ovine Defect Model Open
The reconstruction of large segmental defects still represents a critical issue in the orthopedic field. The use of functionalized scaffolds able to create a magnetic environment is a fascinating option to guide the onset of regenerative p…
View article: Role of Dipolar Interactions on the Determination of the Effective Magnetic Anisotropy in Iron Oxide Nanoparticles
Role of Dipolar Interactions on the Determination of the Effective Magnetic Anisotropy in Iron Oxide Nanoparticles Open
Challenging magnetic hyperthermia (MH) applications of immobilized magnetic nanoparticles require detailed knowledge of the effective anisotropy constant ( K eff ) to maximize heat release. Designing optimal MH experiments entails the prec…